@article{luan_mccord_west_cave_travanty_apperson_roe_2023, title={Mosquito Blood Feeding Prevention Using an Extra-Low DC Voltage Charged Cloth}, volume={14}, ISSN={["2075-4450"]}, url={https://doi.org/10.3390/insects14050405}, DOI={10.3390/insects14050405}, abstractNote={Mosquito vector-borne diseases such as malaria and dengue pose a major threat to human health. Personal protection from mosquito blood feeding is mostly by treating clothing with insecticides and the use of repellents on clothing and skin. Here, we developed a low-voltage, mosquito-resistant cloth (MRC) that blocked all blood feeding across the textile and was flexible and breathable. The design was based on mosquito head and proboscis morphometrics, the development of a novel 3-D textile with the outer conductive layers insulated from each other with an inner, non-conductive woven mesh, and the use of a DC (direct current; extra-low-voltage) resistor-capacitor. Blockage of blood feeding was measured using host-seeking Aedes aegypti adult female mosquitoes and whether they could blood feed across the MRC and an artificial membrane. Mosquito blood feeding decreased as voltage increased from 0 to 15 volts. Blood feeding inhibition was 97.8% at 10 volts and 100% inhibition at 15 volts, demonstrating proof of concept. Current flow is minimal since conductance only occurs when the mosquito proboscis simultaneously touches the outside layers of the MRC and is then quickly repelled. Our results demonstrated for the first time the use of a biomimetic, mosquito-repelling technology to prevent blood feeding using extra-low energy consumption.}, number={5}, journal={INSECTS}, author={Luan, Kun and McCord, Marian G. and West, Andre J. and Cave, Grayson and Travanty, Nicholas V. and Apperson, Charles S. and Roe, R. Michael}, year={2023}, month={Apr} } @article{cave_west_mccord_koene_beck_deguenon_luan_roe_2022, title={Novel 3-D Spacer Textiles to Protect Crops from Insect Infestation and That Enhance Plant Growth}, volume={12}, ISSN={["2077-0472"]}, url={https://doi.org/10.3390/agriculture12040498}, DOI={10.3390/agriculture12040498}, abstractNote={Pesticide-free, 3-D, spacer fabrics (Plant Armor Generation (PA Gen) 1 and 2) were investigated for proof-of-concept as an insect barrier to protect plants and improve plant agronomics for organic farming. The time to 50% penetration (TP50) for tobacco thrips, Frankliniella fusca (Hinds) adults in laboratory Petri dish bioassays was 30 and 175 min for PA Gen 1 and 2, respectively, and 12 min for the control (a commercially available, single layer-crop cover, Proteknet). PA Gen 2 was ≥90% resistant to penetration of unfed caterpillar neonates, Helicoverpa zea (Boddie), while the TP50‘s for Gen 1 and Proteknet were 3.1 and 2.35 h, respectively. In small cage studies, PA Gen 2 covered potted cabbage plants were 100% resistant to penetration by these insects through 10 d after which the study was ended. In small field plot studies for 3 summer months, cabbage plants grew approximately twice as fast when covered versus not covered with Gen 1 and Gen 2 without the need for insecticides or herbicides. This was not observed for the control crop cover. Martindale abrasion tests demonstrated Gen 1 and 2 were at least 6- and 1.8-fold more durable than the control crop cover used. Data are also presented on percentage light, water, air, and water vapor penetration across each textile and operational temperatures and humidity for cabbage plants covered and uncovered in small field plots.}, number={4}, journal={AGRICULTURE-BASEL}, publisher={MDPI AG}, author={Cave, Grayson L. and West, Andre J. and McCord, Marian G. and Koene, Bryan and Beck, J. Benjamin and Deguenon, Jean M. and Luan, Kun and Roe, R. Michael}, year={2022}, month={Apr} } @article{luan_west_mccord_denhartog_shi_bettermann_li_travanty_mitchell_cave_et al._2021, title={Mosquito-Textile Physics: A Mathematical Roadmap to Insecticide-Free, Bite-Proof Clothing for Everyday Life}, volume={12}, ISSN={2075-4450}, url={http://dx.doi.org/10.3390/insects12070636}, DOI={10.3390/insects12070636}, abstractNote={Garments treated with chemical insecticides are commonly used to prevent mosquito bites. Resistance to insecticides, however, is threatening the efficacy of this technology, and people are increasingly concerned about the potential health impacts of wearing insecticide-treated clothing. Here, we report a mathematical model for fabric barriers that resist bites from Aedes aegypti mosquitoes based on textile physical structure and no insecticides. The model was derived from mosquito morphometrics and analysis of mosquito biting behavior. Woven filter fabrics, precision polypropylene plates, and knitted fabrics were used for model validation. Then, based on the model predictions, prototype knitted textiles and garments were developed that prevented mosquito biting, and comfort testing showed the garments to possess superior thermophysiological properties. Our fabrics provided a three-times greater bite resistance than the insecticide-treated cloth. Our predictive model can be used to develop additional textiles in the future for garments that are highly bite resistant to mosquitoes.}, number={7}, journal={Insects}, publisher={MDPI AG}, author={Luan, Kun and West, Andre J. and McCord, Marian G. and DenHartog, Emiel A. and Shi, Quan and Bettermann, Isa and Li, Jiayin and Travanty, Nicholas V. and Mitchell, Robert D., III and Cave, Grayson L. and et al.}, year={2021}, month={Jul}, pages={636} } @article{deguenon_riegel_cloherty-duvernay_chen_stewart_wang_gittins_tihomirov_apperson_mccord_et al._2021, title={New Mosquitocide Derived From Volcanic Rock}, volume={58}, ISSN={["1938-2928"]}, DOI={10.1093/jme/tjaa141}, abstractNote={Abstract}, number={1}, journal={JOURNAL OF MEDICAL ENTOMOLOGY}, author={Deguenon, Jean M. and Riegel, Claudia and Cloherty-Duvernay, Erin R. and Chen, Kaiying and Stewart, David A. and Wang, Bo and Gittins, David and Tihomirov, Larissa and Apperson, Charles S. and McCord, Marian G. and et al.}, year={2021}, month={Jan}, pages={458–464} } @article{sun_bourham_barrett_mccord_pal_2021, title={Transparent and high barrier plasma functionalized acrylic coated cellulose triacetate films}, volume={150}, ISSN={["1873-331X"]}, DOI={10.1016/j.porgcoat.2020.105988}, abstractNote={Transparent and high moisture barrier acrylic coatings were obtained by deposition of acrylic resin containing crosslinking agents onto cellulose ester films, followed by exposure to atmospheric plasma. The effects of monomers, crosslinking agents, and polymerization methods were studied. The surface chemical composition, morphology, water vapor transmission rate (WVTR), light transmittance, and adhesion performance of the coated cellulose triacetate (CTA) films were characterized for the acrylic coated films and for different plasma treatments. Coated films showed a significant reduction in water vapor permeability while maintaining excellent transparency when compared with uncoated films. Furthermore, adhesion of the coating to the CTA film was also improved due to plasma treatment. It was also found that plasma curing on the coated oligomers can induce morphological changes and significantly increase surface roughness and hydrophilicity. The roughness texture observed via SEM analysis indicated that the types of plasma polymerization and the amount of crosslinking agents control the texture types for acrylic coating. Plasma-assisted acrylic coated CTA films can be used in electronic displays, medical, and packaging applications.}, journal={PROGRESS IN ORGANIC COATINGS}, author={Sun, Xiaohang and Bourham, Mohamed and Barrett, Devin G. and McCord, Marian G. and Pal, Lokendra}, year={2021}, month={Jan} } @article{sun_tyagi_agate_mccord_lucia_pal_2020, title={Highly tunable bioadhesion and optics of 3D printable PNIPAm/cellulose nanofibrils hydrogels}, volume={234}, ISSN={0144-8617}, url={http://dx.doi.org/10.1016/j.carbpol.2020.115898}, DOI={10.1016/j.carbpol.2020.115898}, abstractNote={A hybrid poly(N-isopropylacrylamide) (PNIPAm)/cellulose nanofibrils (CNFs) hydrogel composite was fabricated by inverted stereolithography 3D printing to provide a new platform for regulating lower critical solution temperature (LCST) properties and thus tuning optical and bioadhesive properties. The phenomena of interest in the as-printed PNIPAm/CNF hydrogels may be attributed to the fiber-reinforced composite system between crosslinked PNIPAm and CNFs. The optical tunability was found to be correlated to the micro/nano structures of the PNIPAm/CNF hydrogel films. It was found that PNIPAm/CNF hydrogels exhibit switchable bioadhesivity to bacteria in response to CNF distribution in the hydrogels. After 2.0 wt% CNF was incorporated, it was found that a remarkable 8°C reduction of the LCST was achieved relative to PNIPAm hydrogel crosslinked by TEGDMA without CNF. The prepared PNIPAm/CNF hydrogels possessed highly reversible optical, bioadhesion, and thermal performance, making them suitable to be used as durable temperature-sensitive sensors and functional biomedical devices.}, journal={Carbohydrate Polymers}, publisher={Elsevier BV}, author={Sun, Xiaohang and Tyagi, Preeti and Agate, Sachin and McCord, Marian G. and Lucia, Lucian A. and Pal, Lokendra}, year={2020}, month={Apr}, pages={115898} } @article{sun_bourham_barrett_pal_mccord_2020, title={Sustainable atmospheric-pressure plasma treatment of cellulose triacetate (CTA) films for electronics}, volume={128}, ISSN={["1089-7550"]}, url={https://doi.org/10.1063/5.0013633}, DOI={10.1063/5.0013633}, abstractNote={Surface treatments of cellulose triacetate (CTA) films via atmospheric pressure plasmas containing helium and either O2 or C3F6 as plasma reactive gas were performed to study their effects on moisture barrier, transmittance, thermal, surface chemistry, and morphological properties. Plasma treated CTA films were characterized using X-ray photoelectron spectroscopy (XPS), attenuated total reflectance-Fourier transform infrared spectroscopy, time-of-flight secondary ion mass spectrometry (ToF-SIMS), differential scanning calorimetry, thermogravimetric analysis, and scanning electron microscopy analytical techniques. Both surface chemical and morphological changes were correlated with water vapor transmission rates (WVTRs) and contact angle measurements. XPS spectra showed that the relative chemical composition of the C 1s spectra after O2 plasma treatments exhibits an increase in the relative amount of C—C bonds, which may be due to a change in surface cross-linking. ToF-SIMS spectra showed the depth of treatment of atmospheric plasma treatment of CTA films at about 100 nm. The WVTR of the CTA film was reduced up to 20% after sustainable atmospheric O2/helium plasma, while no significant changes were observed in light transmittance. Thus, the use of sustainable atmospheric plasmas to enhance moisture barrier while maintaining other critical properties such as light transmittance, thermal stability, and morphology of a CTA film could provide significant benefits to the electronics industry.}, number={7}, journal={JOURNAL OF APPLIED PHYSICS}, author={Sun, Xiaohang and Bourham, Mohamed and Barrett, Devin G. and Pal, Lokendra and McCord, Marian}, year={2020}, month={Aug} } @article{luan_west_denhartog_mccord_2019, title={Auxetic deformation of the weft-knitted Miura-ori fold}, volume={90}, ISSN={0040-5175 1746-7748}, url={http://dx.doi.org/10.1177/0040517519877468}, DOI={10.1177/0040517519877468}, abstractNote={ Negative Poisson’s ratio (NPR) material with unique geometry is rare in nature and has an auxetic response under strain in a specific direction. With this unique property, this type of material is significantly promising in many specific application fields. The curling structure commonly exists in knitted products due to the unbalanced force inside a knit loop. Thus, knitted fabric is an ideal candidate to mimic natural NPR materials, since it possesses such an inherent curly configuration and the flexibility to design and process. In this work, a weft-knitted Miura-ori fold (WMF) fabric was produced that creates a self-folding three-dimensional structure with NPR performance. Also, a finite element analysis model was developed to simulate the structural auxetic response to understand the deformation mechanism of hierarchical thread-based auxetic fabrics. The simulated strain–force curves of four WMF fabrics quantitatively agree with our experimental results. The auxetic morphologies, Poisson’s ratio and damping capacity were discussed, revealing the deformation mechanism of the WMF fabrics. This study thus provides a fundamental framework for mechanical-stimulating textiles. The developed NPR knitted fabrics have a high potential to be employed in areas of tissue engineering, such as artificial blood vessels and artificial folding mucosa. }, number={5-6}, journal={Textile Research Journal}, publisher={SAGE Publications}, author={Luan, Kun and West, Andre and DenHartog, Emiel and McCord, Marian}, year={2019}, month={Sep}, pages={617–630} } @article{halbkat_luan_cave_mccord_roe_denhartog_travanty_apperson_west_2019, title={Fabric infused with a botanical repellent for protection against mosquitoes}, volume={110}, ISSN={0040-5000 1754-2340}, url={http://dx.doi.org/10.1080/00405000.2019.1603576}, DOI={10.1080/00405000.2019.1603576}, abstractNote={Abstract Mosquito resistant apparel has become increasingly sought-after due to the rise in vector-borne illnesses such as the Zika Virus, Malaria, and Dengue Fever. Botanical insect repellents have been introduced to the market for consumers that desire a natural solution involving no pesticides or added chemicals. Fabric swatches consisting of 80% nylon and 20% elastane were separately treated with an organic repellent using a patented nonwoven vessel. The fabrics were then tested for effectiveness in repelling the mosquito Aedes aegypti using an arm-in-cage assay, the most commonly used method for mosquito repellents. The repellents were also evaluated and rated by study participants according to their preference for the appeal of the scent. The treatment method is user-friendly, enabling consumers to treat their clothing with an organic insect repellent as opposed to applying a synthetic chemical to their clothing and skin. The infused fabrics showed to be effective at repelling mosquitoes for up to 8 h after repellent infusion.}, number={10}, journal={The Journal of The Textile Institute}, publisher={Informa UK Limited}, author={Halbkat, Lilah and Luan, Kun and Cave, Grayson and McCord, Marian and Roe, Michael and DenHartog, Emiel and Travanty, Nicholas J. and Apperson, Charles S. and West, Andre J.}, year={2019}, month={Apr}, pages={1468–1474} } @article{sun_tyagi_agate_lucia_mccord_pal_2019, title={Unique thermo-responsivity and tunable optical performance of poly(N-isopropylacrylamide)-cellulose nanocrystal hydrogel films}, volume={208}, ISSN={0144-8617}, url={http://dx.doi.org/10.1016/j.carbpol.2018.12.067}, DOI={10.1016/j.carbpol.2018.12.067}, abstractNote={A hybrid materials system to modulate lower critical solution temperature (LCST) and moisture content for thermo-responsivity and optical tunability was strategically developed by incorporating cellulose nanocrystals (CNCs) into a poly(N-isopropylacrylamide) (PNIPAm) hydrogel matrix. The PNIPAm/CNC hydrogel films exhibit tunable optical properties and wavelength bandpass selectivity as characterized by PROBE Spectroscopy and Dynamic Light Scattering (DLS). Importantly, the micro/nano structures of the PNIPAm/CNC hydrogel films were completely different when dried below and above the LCST. Below the LCST, PNIPAm/CNC hydrogel films exhibit transparency or semi-transparency due to the uniform bonding of hydrophilic PNIPAm and CNC through hydrogen bonds. Above the LCST, the hydrogel films engage in both hydrophobic PNIPAm and hydrophilic CNC interactions due to changes in PNIPAm conformation which lead to light scattering effects and hence opacity. Furthermore, the incorporation of CNC induces a ∼ 15 °C reduction of the LCST relative to pure PNIPAm hydrogel films.}, journal={Carbohydrate Polymers}, publisher={Elsevier BV}, author={Sun, Xiaohang and Tyagi, Preeti and Agate, Sachin and Lucia, Lucian and McCord, Marian and Pal, Lokendra}, year={2019}, month={Mar}, pages={495–503} } @article{cornelius_mccord_bourham_hauser_2018, title={Atmospheric Pressure Plasma Grafting of a Vinyl-Quaternary Compound to Nonwoven Polypropylene and Cotton}, volume={13}, ISSN={1558-9250 1558-9250}, url={http://dx.doi.org/10.1177/155892501801300306}, DOI={10.1177/155892501801300306}, abstractNote={ Nonwoven polypropylene and cotton fabrics are grafted to a vinyl quaternary compound using atmospheric-pressure plasma. Two different atmospheric plasma devices are used -the NCAPS (North Carolina Atmospheric Plasma System), a dielectric barrier discharge device created by North Carolina State University, and a plasma device from APJeT® Inc. The addition of additives such as Mohr's salt, potassium persulfate, and diacrylates are assessed to see if graft yield can be increased. Acid dye tests, SEM, and XPS reveal successful grafting of the vinyl quaternary compound. A combination of all four additives is found to yield the highest graft yields and greatest uniformity. }, number={3}, journal={Journal of Engineered Fibers and Fabrics}, publisher={SAGE Publications}, author={Cornelius, Carrie and McCord, Marian and Bourham, Mohamed and Hauser, Peter}, year={2018}, month={Sep}, pages={155892501801300} } @article{sun_denhartog_zhang_mccord_2018, title={Study of poly(N-isopropylacrylamide) grafted cotton fabrics initiated by atmospheric pressure plasma}, volume={453}, ISSN={["1873-5584"]}, url={https://publons.com/publon/26924640/}, DOI={10.1016/j.apsusc.2018.05.056}, abstractNote={There is a significant interest in developing environmentally responsive or stimuli-responsive smart materials. In this paper, the thermo-responsiveness of cotton fabrics treated by helium atmospheric pressure plasma was investigated. Thermo-responsive cotton fabrics were prepared by grafting poly(N-isopropyl acrylamide) (PNIPAM) on their surfaces using atmospheric plasma. The thermoregulation properties under different environmental temperatures have been evaluated via thermal imaging analysis, comfort test and SEM. The grafting of PNIPAM on cotton fabrics was verified via ATR-FTIR, XPS, and ToF-SIMS. The analysis results indicate that cotton fabrics with PNIPAM treatments possess thermo-responsiveness when wetted. It was found that fabrics with plasma-initiated PNIPAM treatments have higher heat transfer coefficient above 32 °C and lower heat transfer coefficient below 32 °C than untreated fabrics. The heat transfer coefficient of a PNIPAM grafted cotton has a 10% difference from that of an untreated cotton at temperatures above and below LCST.}, journal={APPLIED SURFACE SCIENCE}, publisher={Elsevier BV}, author={Sun, Xiaohang and DenHartog, Emiel and Zhang, Xiangwu and McCord, Marian}, year={2018}, month={Sep}, pages={182–191} } @article{shi_jolly_mccord_joy_2018, title={Surface-Engineered Blood Adsorption Device for Hyperphosphatemia Treatment}, volume={64}, ISSN={1058-2916}, url={http://dx.doi.org/10.1097/MAT.0000000000000639}, DOI={10.1097/MAT.0000000000000639}, abstractNote={Correspondence: Melanie S. Joy, PharmD, PhD, University of Colorado Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmaceutical Sciences, Mail Stop C238, Room V20-4108, 12850 East Montview Blvd, Aurora, CO 80045. Email: Melanie.Joy@ucdenver.edu The research employed surface engineering methods to develop, optimize, and characterize a novel textile-based hemoadsorption device for hyperphosphatemia in hemodialysis-dependent end-stage kidney disease. Phosphate adsorbent fabrics (PAFs) were prepared by thermopressing alumina powders to polyester filtration fabrics and treatment with trimesic acid (TMA). For static experiments, phosphate adsorption capacity in buffer solution, plasma, and blood were evaluated by submersing the PAFs in 100 ml. For dynamic experiments, PAFs were equipped in a device prototype and incorporated in a pump-driven circuit. Phosphates were determined by a colorimetric assay and an Ortho Clinical Diagnostics Vitros 5600 Integrated analyzer. The maximum loading amount of TMA-alumina on PAFs was approximately 35 g/m2 under 260°C processing temperature. Phosphate adsorption capacity increased with initial concentration. Adsorption isotherms from buffer demonstrated a maximum phosphate adsorption capacity of approximately 893 mg/m2 at 37.5°C, pH 7.4, with similar results from plasma and whole blood. Measured phosphate concentrations during simulations demonstrated a 42% reduction, confirming the high capacity of the PAFs for removing phosphate from whole blood. Results from the current study indicated that an alumina-TMA treated PAF can dramatically reduce phosphate concentrations from biological samples. The technology could potentially be used as a tunable adsorbent for managing hyperphosphatemia in kidney disease.}, number={3}, journal={ASAIO Journal}, publisher={Ovid Technologies (Wolters Kluwer Health)}, author={Shi, Quan and Jolly, Michael and McCord, Marian G. and Joy, Melanie S.}, year={2018}, pages={389–394} } @article{cornelius_mccord_bourham_hauser_2017, title={Desizing of PVA sized pet/cotton fabrics with atmospheric pressure plasma}, volume={25}, ISSN={0969-0239 1572-882X}, url={http://dx.doi.org/10.1007/s10570-017-1586-1}, DOI={10.1007/s10570-017-1586-1}, number={1}, journal={Cellulose}, publisher={Springer Nature}, author={Cornelius, Carrie and McCord, Marian and Bourham, Mohamed and Hauser, Peter}, year={2017}, month={Nov}, pages={869–881} } @article{cornelius_mccord_bourham_hauser_2017, title={Desizing of starch sized cotton fabrics with atmospheric pressure plasma}, volume={24}, ISSN={0969-0239 1572-882X}, url={http://dx.doi.org/10.1007/s10570-017-1509-1}, DOI={10.1007/s10570-017-1509-1}, number={12}, journal={Cellulose}, publisher={Springer Science and Business Media LLC}, author={Cornelius, Carrie and McCord, Marian and Bourham, Mohamed and Hauser, Peter}, year={2017}, month={Sep}, pages={5685–5695} } @article{cornelius_saquing_venditti_mccord_bourham_2017, title={Effect of Atmospheric Pressure Plasma on Handsheets and Pulps}, volume={12}, url={https://bioresources.cnr.ncsu.edu/resources/the-effect-of-atmospheric-pressure-plasma-on-paper-and-pulps/}, number={4}, journal={BioResources}, author={Cornelius, C. and Saquing, C. and Venditti, R. and McCord, M.G. and Bourham, M.A.}, year={2017}, pages={8199–8216} } @article{nawalakhe_shi_vitchuli_bourham_zhang_mccord_2015, title={Plasma-Assisted Preparation of High-Performance Chitosan Nanofibers/Gauze Composite Bandages}, volume={64}, ISSN={["1563-535X"]}, url={https://publons.com/publon/26924670/}, DOI={10.1080/00914037.2014.1002098}, abstractNote={In this work, novel composite bandages were prepared by electrospinning chitosan nanofibers on 100% cotton substrate fabric. In the composite bandages, chitosan nanofiber web serves as a primary wound dressing whereas cotton substrate as a backing material. Cotton substrate was given plasma pretreatment and composite bandages were given plasma posttreatment to improve the durability of composite bandages and adhesion between nanofiber and cotton substrate layers. The adhesion of the nanofibers to the substrates was assessed by qualitative and quantitative techniques. Plasma pretreatment of the substrate with 100% helium and 99% helium/1% oxygen plasmas showed up to four times increase in force required to peel off the nanofiber layer. Even more increase in adhesion was obtained when composite bandages were given plasma pretreatment to substrate as well as posttreatment to composite bandages. Storage modulus, glass transition temperature, and crystallinity of untreated He and He/O2-plasma treated chitosan nanofiber web were studied to observe the effect of plasma treatment on the chitosan nanofibers using dynamic mechanical analysis, differential scanning calorimetry, and wide angle X-ray diffraction, respectively. To understand the mechanism of improved adhesion, surface elemental analysis of plasma treated chitosan nanofibers and cotton substrate was carried out using X-ray photoelectron spectroscopy. GRAPHICAL ABSTRACT}, number={14}, journal={INTERNATIONAL JOURNAL OF POLYMERIC MATERIALS AND POLYMERIC BIOMATERIALS}, publisher={Informa UK Limited}, author={Nawalakhe, Rupesh and Shi, Quan and Vitchuli, Narendiran and Bourham, Mohamed A. and Zhang, Xiangwu and McCord, Marian G.}, year={2015}, pages={709–717} } @article{stano_carroll_padbury_mccord_jur_bradford_2014, title={Conformal Atomic Layer Deposition of Alumina on Millimeter Tall, Vertically-Aligned Carbon Nanotube Arrays}, volume={6}, ISSN={["1944-8244"]}, DOI={10.1021/am505107s}, abstractNote={Atomic layer deposition (ALD) can be used to coat high aspect ratio and high surface area substrates with conformal and precisely controlled thin films. Vertically aligned arrays of multiwalled carbon nanotubes (MWCNTs) with lengths up to 1.5 mm were conformally coated with alumina from base to tip. The nucleation and growth behaviors of Al2O3 ALD precursors on the MWCNTs were studied as a function of CNT surface chemistry. CNT surfaces were modified through a series of post-treatments including pyrolytic carbon deposition, high temperature thermal annealing, and oxygen plasma functionalization. Conformal coatings were achieved where post-treatments resulted in increased defect density as well as the extent of functionalization, as characterized by X-ray photoelectron spectroscopy and Raman spectroscopy. Using thermogravimetric analysis, it was determined that MWCNTs treated with pyrolytic carbon and plasma functionalization prior to ALD coating were more stable to thermal oxidation than pristine ALD coated samples. Functionalized and ALD coated arrays had a compressive modulus more than two times higher than a pristine array coated for the same number of cycles. Cross-sectional energy dispersive X-ray spectroscopy confirmed that Al2O3 could be uniformly deposited through the entire thickness of the vertically aligned MWCNT array by manipulating sample orientation and mounting techniques. Following the ALD coating, the MWCNT arrays demonstrated hydrophilic wetting behavior and also exhibited foam-like recovery following compressive strain.}, number={21}, journal={ACS APPLIED MATERIALS & INTERFACES}, author={Stano, Kelly L. and Carroll, Murphy and Padbury, Richard and McCord, Marian and Jur, Jesse S. and Bradford, Philip D.}, year={2014}, month={Nov}, pages={19135–19143} } @article{vitchuli_shi_nowak_nawalakhe_sieber_bourham_zhang_mccord_2013, title={Atmospheric plasma application to improve adhesion of electrospun nanofibers onto protective fabric}, volume={27}, ISSN={["0169-4243"]}, url={https://publons.com/publon/7178346/}, DOI={10.1080/01694243.2012.727164}, abstractNote={Nylon 6 electrospun nanofibers were deposited on plasma-pretreated woven fabric substrates with the objective of improving adhesion between them. The prepared samples were evaluated for adhesion strength and durability of nanofiber mats by carrying out peel strength, flex resistance, and abrasion resistance tests. The test results showed significant improvement in the adhesion of nanofiber mats on woven fabric substrates due to atmospheric plasma pretreatment. The samples also exhibited good flex and abrasion resistance characteristics. X-ray photoelectron spectroscopy and water contact angle analyses indicate that plasma pretreatment introduces radicals, increases the oxygen content on the substrate surface, and leads to formation of active chemical sites that may be responsible for enhanced cross-linking between the substrate fabric and the electrospun nanofibers, which in turn increases the adhesion properties. The work demonstrates that the plasma treatment of the substrate fabric prior to deposition of electrospun nanofiber mats is a promising method to prepare durable functional materials.}, number={8}, journal={JOURNAL OF ADHESION SCIENCE AND TECHNOLOGY}, author={Vitchuli, Narendiran and Shi, Quan and Nowak, Joshua and Nawalakhe, Rupesh and Sieber, Michael and Bourham, Mohamed and Zhang, Xiangwu and McCord, Marian}, year={2013}, month={Apr}, pages={924–938} } @article{stano_chapla_carroll_nowak_mccord_bradford_2013, title={Copper-Encapsulated Vertically Aligned Carbon Nanotube Arrays}, volume={5}, ISSN={1944-8244 1944-8252}, url={http://dx.doi.org/10.1021/am402964e}, DOI={10.1021/am402964e}, abstractNote={A new procedure is described for the fabrication of vertically aligned carbon nanotubes (VACNTs) that are decorated, and even completely encapsulated, by a dense network of copper nanoparticles. The process involves the conformal deposition of pyrolytic carbon (Py-C) to stabilize the aligned carbon-nanotube structure during processing. The stabilized arrays are mildly functionalized using oxygen plasma treatment to improve wettability, and they are then infiltrated with an aqueous, supersaturated Cu salt solution. Once dried, the salt forms a stabilizing crystal network throughout the array. After calcination and H2 reduction, Cu nanoparticles are left decorating the CNT surfaces. Studies were carried out to determine the optimal processing parameters to maximize Cu content in the composite. These included the duration of Py-C deposition and system process pressure as well as the implementation of subsequent and multiple Cu salt solution infiltrations. The optimized procedure yielded a nanoscale hybrid material where the anisotropic alignment from the VACNT array was preserved, and the mass of the stabilized arrays was increased by over 24-fold because of the addition of Cu. The procedure has been adapted for other Cu salts and can also be used for other metal salts altogether, including Ni, Co, Fe, and Ag. The resulting composite is ideally suited for application in thermal management devices because of its low density, mechanical integrity, and potentially high thermal conductivity. Additionally, further processing of the material via pressing and sintering can yield consolidated, dense bulk composites.}, number={21}, journal={ACS Applied Materials & Interfaces}, publisher={American Chemical Society (ACS)}, author={Stano, Kelly L. and Chapla, Rachel and Carroll, Murphy and Nowak, Joshua and McCord, Marian and Bradford, Philip D.}, year={2013}, month={Oct}, pages={10774–10781} } @inbook{gajjar_mccord_king_2013, title={Hemostatic wound dressings}, ISBN={9781845694395}, url={http://dx.doi.org/10.1533/9780857095602.2.563}, DOI={10.1533/9780857095602.2.563}, abstractNote={Abstract: Hemorrhage is uncontrolled bleeding from a wound. Various studies indicate that hemorrhage is a major cause of ‘potentially preventable’ deaths in combat as well as civilian trauma. New methods and products for hemorrhage control are therefore a research priority to avoid potentially survivable deaths. A better understanding of the correlation between surface properties and their hemostatic potential (i.e. ability to form a blood clot) would result in an effective hemostatic wound dressing. This chapter describes the blood clotting mechanism and the effect of foreign surfaces on the coagulation cascade. Finally, a review of the various approaches to develop an ideal hemostatic material is presented.}, booktitle={Biotextiles as Medical Implants}, publisher={Elsevier}, author={Gajjar, C.R. and McCord, M.G. and King, M.W.}, year={2013}, pages={563–589} } @article{nawalakhe_shi_vitchuli_noar_caldwell_breidt_bourham_zhang_mccord_2013, title={Novel atmospheric plasma enhanced chitosan nanofiber/gauze composite wound dressings}, volume={129}, ISSN={0021-8995}, url={http://dx.doi.org/10.1002/app.38804}, DOI={10.1002/app.38804}, abstractNote={Abstract}, number={2}, journal={Journal of Applied Polymer Science}, publisher={Wiley}, author={Nawalakhe, Rupesh and Shi, Quan and Vitchuli, Narendiran and Noar, Jesse and Caldwell, Jane M. and Breidt, Frederick and Bourham, Mohamed A. and Zhang, Xiangwu and McCord, Marian G.}, year={2013}, month={Feb}, pages={916–923} } @article{turner_wang_johnson_medberry_mendez_badylak_mccord_mccloskey_2012, title={Cardiac tissue development for delivery of embryonic stem cell-derived endothelial and cardiac cells in natural matrices}, volume={100B}, ISSN={["1552-4981"]}, DOI={10.1002/jbm.b.32770}, abstractNote={Abstract}, number={8}, journal={JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART B-APPLIED BIOMATERIALS}, author={Turner, William S. and Wang, Xiaoling and Johnson, Scott and Medberry, Christopher and Mendez, Jose and Badylak, Stephen F. and McCord, Marian G. and McCloskey, Kara E.}, year={2012}, month={Nov}, pages={2060–2072} } @article{shi_vitchuli_nowak_jiang_caldwell_breidt_bourham_zhang_mccord_2012, title={Multifunctional and durable nanofiber-fabric-layered composite for protective application}, volume={128}, ISSN={0021-8995}, url={http://dx.doi.org/10.1002/app.38465}, DOI={10.1002/app.38465}, abstractNote={Abstract}, number={2}, journal={Journal of Applied Polymer Science}, publisher={Wiley}, author={Shi, Quan and Vitchuli, Narendiran and Nowak, Joshua and Jiang, Shan and Caldwell, Jane M. and Breidt, Frederick and Bourham, Mohamed and Zhang, Xiangwu and McCord, Marian}, year={2012}, month={Sep}, pages={1219–1226} } @article{nawalakhe_vitchuli_shi_bourham_zhang_mccord_2012, title={Novel Atmospheric Plasma Enhanced Silk Fibroin Nanofiber/Gauze Composite Wound Dressings}, volume={5}, ISSN={1940-8676 2617-8699}, url={http://dx.doi.org/10.3993/jfbi09201201}, DOI={10.3993/jfbi09201201}, abstractNote={In this work, Silk Fibroin (SF) nanofibers were electrospun onto plasma-treated 100% cotton gauze bandages to form a novel silk-gauze composite wound dressing. Atmospheric pressure plasma preand posttreatments were used to increase the adhesion between the SF nanofibers and cotton substrates. The adhesion of the nanofibers to the substrates was assessed by qualitative and quantitative techniques. Plasma pre-treatment of the substrate with 100% helium and 99% helium/1% oxygen plasmas showed up to a 50% increase in the force required to peel off the nanofiber layer. This force was further increased up to 75% after preas well as post-plasma treatment of the composite bandages. Plasma pre-treatment of the gauze fabric prior to nanofiber deposition and post-treatment to the composite bandages significantly reduced degradation of the nanofiber layer during repetitive flexing. Air permeability and moisture vapor transport were significantly reduced due to the presence of a nanofiber layer upon the substrate. The results of surface elemental analysis showed that the adhesion and durability increase are mainly due to the active species generated by plasma on the surface of cotton substrate as well as on the surface of the silk fibroin nanofibers.}, number={3}, journal={Journal of Fiber Bioengineering and Informatics}, publisher={Textile Bioengineering and Informatics Society}, author={Nawalakhe, R. and Vitchuli, N. and Shi, Q. and Bourham, M.A. and Zhang, X. and McCord, M.G.}, year={2012}, month={Jun}, pages={227–242} } @article{vitchuli_shi_nowak_nawalakhe_sieber_bourham_mccord_zhang_2012, title={Plasma-Electrospinning Hybrid Process and Plasma Pretreatment to Improve Adhesive Properties of Nanofibers on Fabric Surface}, volume={32}, ISSN={["1572-8986"]}, url={https://publons.com/publon/7178354/}, DOI={10.1007/s11090-011-9341-0}, number={2}, journal={PLASMA CHEMISTRY AND PLASMA PROCESSING}, author={Vitchuli, Narendiran and Shi, Quan and Nowak, Joshua and Nawalakhe, Rupesh and Sieber, Michael and Bourham, Mohamed and McCord, Marian and Zhang, Xiangwu}, year={2012}, month={Apr}, pages={275–291} } @article{deichmann_mccord_bourham_gries_2011, title={Analysis of atmospheric pressure plasma parameters during treatment of polyethylene terephthalate films}, volume={121}, ISSN={0021-8995}, url={http://dx.doi.org/10.1002/app.33557}, DOI={10.1002/app.33557}, abstractNote={Abstract}, number={4}, journal={Journal of Applied Polymer Science}, publisher={Wiley}, author={Deichmann, Thorsten and McCord, Marian G. and Bourham, Mohamed A. and Gries, Thomas}, year={2011}, month={Mar}, pages={1875–1884} } @article{shi_vitchuli_nowak_lin_guo_mccord_bourham_zhang_2011, title={Atmospheric Plasma Treatment of Pre-Electrospinning Polymer Solution: A Feasible Method to Improve Electrospinnability}, volume={49}, ISSN={["1099-0488"]}, url={https://publons.com/publon/3117880/}, DOI={10.1002/polb.22157}, abstractNote={Abstract}, number={2}, journal={JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS}, author={Shi, Quan and Vitchuli, Narendiran and Nowak, Joshua and Lin, Zhan and Guo, Bingkun and McCord, Marian and Bourham, Mohamed and Zhang, Xiangwu}, year={2011}, month={Jan}, pages={115–122} } @article{shi_vitchuli_nowak_caldwell_breidt_bourham_zhang_mccord_2011, title={Durable antibacterial Ag/polyacrylonitrile (Ag/PAN) hybrid nanofibers prepared by atmospheric plasma treatment and electrospinning}, volume={47}, ISSN={["1873-1945"]}, url={https://publons.com/publon/3117884/}, DOI={10.1016/j.eurpolymj.2011.04.002}, abstractNote={Durable antibacterial Ag/polyacrylonitrile (Ag/PAN) hybrid nanofibers were prepared by atmospheric plasma treatment and electrospinning. Atmospheric helium plasma treatment was first used to reduce the AgNO3 precursor in pre-electrospinning solutions into metallic silver nanoparticles, followed by electrospinning into continuous and smooth nanofibers with Ag nanoparticles embedded in the matrix. SEM, TEM, and EDX spectra were used to study the structure and surface elemental composition of the nanofibers. Silver nanoparticles, with diameters ranging between 3 and 6 nm, were found to be uniformly dispersed in the nanofiber matrix. The Ag/PAN nanofibers exhibited slow and long-lasting silver ion release, which provided robust antibacterial activity against both Gram-positive Bacillus cereus and Gram-negative Escherichia coli microorganisms.}, number={7}, journal={EUROPEAN POLYMER JOURNAL}, author={Shi, Quan and Vitchuli, Narendiran and Nowak, Joshua and Caldwell, Jane M. and Breidt, Frederick and Bourham, Mohamed and Zhang, Xiangwu and McCord, Marian}, year={2011}, month={Jul}, pages={1402–1409} } @article{vitchuli_shi_nowak_kay_caldwell_breidt_bourham_mccord_zhang_2011, title={Multifunctional ZnO/Nylon 6 nanofiber mats by an electrospinning-electrospraying hybrid process for use in protective applications}, volume={12}, ISSN={["1468-6996"]}, url={https://publons.com/publon/3117882/}, DOI={10.1088/1468-6996/12/5/055004}, abstractNote={Abstract ZnO/Nylon 6 nanofiber mats were prepared by an electrospinning–electrospraying hybrid process in which ZnO nanoparticles were dispersed on the surface of Nylon 6 nanofibers without becoming completely embedded. The prepared ZnO/Nylon 6 nanofiber mats were evaluated for their abilities to kill bacteria or inhibit their growth and to catalytically detoxify chemicals. Results showed that these ZnO/Nylon 6 nanofiber mats had excellent antibacterial efficiency (99.99%) against both the Gram-negative Escherichia coli and Gram-positive Bacillus cereus bacteria. In addition, they exhibited good detoxifying efficiency (95%) against paraoxon, a simulant of highly toxic chemicals. ZnO/Nylon 6 nanofiber mats were also deposited onto nylon/cotton woven fabrics and the nanofiber mats did not significantly affect the moisture vapor transmission rates and air permeability values of the fabrics. Therefore, ZnO/Nylon 6 nanofiber mats prepared by the electrospinning–electrospraying hybrid process are promising material candidates for protective applications.}, number={5}, journal={SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS}, author={Vitchuli, Narendiran and Shi, Quan and Nowak, Joshua and Kay, Kathryn and Caldwell, Jane M. and Breidt, Frederick and Bourham, Mohamed and McCord, Marian and Zhang, Xiangwu}, year={2011}, month={Oct} } @article{shi_vitchuli_nowak_noar_caldwell_breidt_bourham_mccord_zhang_2011, title={One-step synthesis of silver nanoparticle-filled nylon 6 nanofibers and their antibacterial properties}, volume={21}, ISSN={["1364-5501"]}, url={https://publons.com/publon/274770/}, DOI={10.1039/c1jm11492a}, abstractNote={A novel and facile one-step approach to in situ synthesize silver nanoparticle-filled nylon 6 nanofibers by electrospinning is reported. The method does not need post-treatments and can be carried out at ambient conditions without using additional chemicals. It employs the electrospinning solvent as a reducing agent for in situ conversion of AgNO3 into silver nanoparticles during the solution preparation. The resultant silver nanoparticle-filled nylon 6 hybrid nanofibers show an excellent fibrous structure (fiber diameter at 50–150 nm), with narrow size 2–4 nm silver nanoparticles uniformly dispersed throughout the nylon 6 matrix. DSC analysis shows that the in situ incorporation of silver nanoparticles increased the Tg and crystallinity of the resultant nanofibers. These silver nanoparticle-filled nylon 6 nanofibers exhibit a steady and long-lasting silver ion release behavior, and robust antibacterial activity against both Gram-positive B. cereus and Gram-negative E. coli microorganisms.}, number={28}, journal={JOURNAL OF MATERIALS CHEMISTRY}, author={Shi, Quan and Vitchuli, Narendiran and Nowak, Joshua and Noar, Jesse and Caldwell, Jane M. and Breidt, Frederick and Bourham, Mohamed and McCord, Marian and Zhang, Xiangwu}, year={2011}, pages={10330–10335} } @article{shi_vitchuli_ji_nowak_mccord_bourham_zhang_2010, title={A facile approach to fabricate porous nylon 6 nanofibers using silica nanotemplate}, volume={120}, ISSN={0021-8995}, url={http://dx.doi.org/10.1002/app.33161}, DOI={10.1002/app.33161}, abstractNote={Abstract}, number={1}, journal={Journal of Applied Polymer Science}, publisher={Wiley}, author={Shi, Quan and Vitchuli, Narendiran and Ji, Liwen and Nowak, Joshua and McCord, Marian and Bourham, Mohamed and Zhang, Xiangwu}, year={2010}, month={Oct}, pages={425–433} } @article{vitchuli_shi_nowak_mccord_bourham_zhang_2010, title={Electrospun ultrathin nylon fibers for protective applications}, volume={116}, ISSN={0021-8995 1097-4628}, url={http://dx.doi.org/10.1002/app.31825}, DOI={10.1002/app.31825}, abstractNote={Abstract}, number={4}, journal={Journal of Applied Polymer Science}, publisher={Wiley}, author={Vitchuli, Narendiran and Shi, Quan and Nowak, Joshua and McCord, Marian and Bourham, Mohamed and Zhang, Xiangwu}, year={2010}, pages={NA-NA} } @article{fischer_vournakis_manning_mccurdy_rich_nichols_scull_mccord_decorta_johnson_et al._2009, title={The Design and Testing of a Dual Fiber Textile Matrix for Accelerating Surface Hemostasis}, volume={91B}, ISSN={["1552-4981"]}, DOI={10.1002/jbm.b.31413}, abstractNote={Abstract}, number={1}, journal={JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART B-APPLIED BIOMATERIALS}, author={Fischer, Thomas H. and Vournakis, John N. and Manning, James E. and McCurdy, Shane L. and Rich, Preston B. and Nichols, Timothy C. and Scull, Christopher M. and McCord, Marian G. and Decorta, Joseph A. and Johnson, Peter C. and et al.}, year={2009}, month={Oct}, pages={381–389} } @book{gad_mccord_2008, edition={3}, title={Safety Evaluation in the Development of Medical Devices and Combination Products}, ISBN={9781420071641 9781439809488}, url={http://dx.doi.org/10.1201/9781439809488}, DOI={10.1201/9781439809488}, abstractNote={In what case do you like reading so much? What about the type of the safety evaluation in the development of medical devices and combination products third edition book? The needs to read? Well, everybody has their own reason why should read some books. Mostly, it will relate to their necessity to get knowledge from the book and want to read just to get entertainment. Novels, story book, and other entertaining books become so popular this day. Besides, the scientific books will also be the best reason to choose, especially for the students, teachers, doctors, businessman, and other professions who are fond of reading.}, publisher={Taylor and Francis: CRC Press}, author={Gad, Shayne and McCord, Marian}, year={2008}, month={Oct} } @article{wang_mccord_2007, title={Grafting of poly(N-isopropylacrylamide) onto nylon and polystyrene surfaces by atmospheric plasma treatment followed with free radical graft copolymerization}, volume={104}, ISSN={["1097-4628"]}, DOI={10.1002/app.26081}, abstractNote={Abstract}, number={6}, journal={JOURNAL OF APPLIED POLYMER SCIENCE}, author={Wang, Xiaoling and McCord, Marian G.}, year={2007}, month={Jun}, pages={3614–3621} } @article{gawish_ramadan_cornelius_bourham_matthews_mccord_wafa_breidt_2007, title={New functionalities of PA6,6 fabric modified by atmospheric pressure plasma and grafted glycidyl methacrylate derivatives}, volume={77}, ISSN={["1746-7748"]}, DOI={10.1177/0040517507076747}, abstractNote={ Oxidative atmospheric pressure plasma was utilized to activate surface of PA 6,6 fabrics followed by graft copolymerization of glycidyl methacrylate (GMA) and further reacted with triethylene tetramine (TETA), quaternary ammonium chitosan (HTCC) or β-cyclodextrin (β-CD). The inner CD cavity was complexed with some insecticidal perfumes. Modified PA6,6 fabrics were analyzed by differential scanning calorimetry, thermogravimetric analysis, Fourier transform infrared spectroscopy and scanning electron microscopy. Antimicrobial activity and insect repelling assay were conducted and showed efficient antimicrobial and insect repelling properties. }, number={2}, journal={TEXTILE RESEARCH JOURNAL}, author={Gawish, S. M. and Ramadan, A. M. and Cornelius, C. E. and Bourham, M. A. and Matthews, S. R. and McCord, M. G. and Wafa, D. M. and Breidt, F.}, year={2007}, month={Feb}, pages={92–104} } @article{shin_son_il yoo_hudson_mccord_matthews_whang_2006, title={Functional finishing of nonwoven fabrics. I. Accessibility of surface modified PET spunbond by atmospheric pressure He/O-2 plasma treatment}, volume={100}, ISSN={["0021-8995"]}, DOI={10.1002/app.23825}, abstractNote={Abstract}, number={6}, journal={JOURNAL OF APPLIED POLYMER SCIENCE}, author={Shin, Y and Son, K and Il Yoo, D and Hudson, S and McCord, M and Matthews, S and Whang, YJ}, year={2006}, month={Jun}, pages={4306–4310} } @inproceedings{mccord_barcio_2006, title={Thermally responsive tissue engineering surfaces}, booktitle={AUTEX Research Journal}, author={McCord, M.G. and Barcio, S.}, year={2006} } @article{hwang_mccord_an_kang_park_2005, title={Effects of helium atmospheric pressure plasma treatment on low-stress mechanical properties of polypropylene nonwoven fabrics}, volume={75}, ISSN={["1746-7748"]}, DOI={10.1177/0040517505053805}, abstractNote={ Polypropylene nonwoven fabrics are treated by He atmospheric pressure glow discharge plasma. After plasma treatment, weight loss (%), surface properties (wettability, morphology, and chemical composition changes), tensile strength, low-stress mechanical properties, and air permeability of the fabrics are examined. Scanning electron microscopy analysis shows significant surface morphology changes in plasma-treated polypropylene fiber surfaces, corresponding to reductions in fabric weight. X-ray photoelectron spectroscopy analysis reveals that surface oxidation by the formation of hydrophilic groups enhances the surface wettability of the fabrics. Surface morphology changes with plasma treatment increase fiber-to-fiber friction, playing an important role in enhancing their tensile strength, low-stress mechanical properties, and air permeability. }, number={11}, journal={TEXTILE RESEARCH JOURNAL}, author={Hwang, YJ and McCord, MG and An, JS and Kang, BC and Park, SW}, year={2005}, month={Nov}, pages={771–778} } @article{hwang_mccord_kang_2005, title={Helium/oxygen atmospheric pressure plasma treatment on poly(ethylene terephthalate) and poly(trimethylene terephthalate) knitted fabrics: Comparison of low-stress mechanical/surface chemical properties}, volume={6}, ISSN={["1875-0052"]}, DOI={10.1007/BF02875601}, number={2}, journal={FIBERS AND POLYMERS}, author={Hwang, YJ and McCord, MG and Kang, BC}, year={2005}, month={Jun}, pages={113–120} } @inproceedings{mccord_wang_matthews_christie_2005, title={Novel pH or temperature responsive polymer materials}, booktitle={A new era: National Textile Center Forum, March 20-22, 2005: Textile Institute, 84th Annual World Conference, March 22-25, 2005, Back-to-Back Meetings in Raleigh, North Carolina, USA}, publisher={[Manchester, England]: The Textile Institute}, author={McCord, M.G. and Wang, X. and Matthews, S. and Christie, M.}, year={2005} } @article{mccord_wang_2005, title={Novel thermoresponsive fabrics: poly(n-isopropylacrylamide) grafted cotton using atmospheric plasma treatment}, volume={75}, number={11}, journal={Textile Research Journal}, author={McCord, M. G. and Wang, X.}, year={2005} } @article{matthews_mccord_bourham_2005, title={Poly(vinyl alcohol) desizing mechanism via atmospheric pressure plasma exposure}, volume={2}, ISSN={["1612-8869"]}, DOI={10.1002/ppap.200500056}, abstractNote={Abstract}, number={9}, journal={PLASMA PROCESSES AND POLYMERS}, publisher={Weinheim: Wiley-VCH}, author={Matthews, SR and McCord, MG and Bourham, MA}, year={2005}, month={Nov}, pages={702–708} } @article{cai_qiu_mcmord_2005, place={China}, title={Probe to the mechanism of desizing of PVA by atmospheric pressure plasma}, volume={26}, number={6}, journal={Journal of Textile Research}, author={Cai, Z.S. and Qiu, Y. and McMord, M.G.}, year={2005}, pages={5–8} } @article{mccord_rodden_hudson_2004, title={Extrusion and analysis of nylon-montmorillonite nanocomposite filaments}, volume={36}, journal={Journal of Advanced Materials}, author={McCord, M. and Rodden, S. N. and Hudson, S. M.}, year={2004} } @article{mccord_matthews_hudson_2004, title={Extrusion and analysis of nylon/montmorillonite nanocomposite filaments}, volume={36}, number={1}, journal={Journal of Advanced Materials}, author={McCord, M. G. and Matthews, S. R. and Hudson, S. M.}, year={2004}, pages={44–56} } @article{matthews_hwang_mccord_bourham_2004, title={Investigation into etching mechanism of polyethylene terephthalate (PET) films treated in helium and oxygenated-helium atmospheric plasmas}, volume={94}, ISSN={["1097-4628"]}, DOI={10.1002/app.21162}, abstractNote={Abstract}, number={6}, journal={JOURNAL OF APPLIED POLYMER SCIENCE}, author={Matthews, SR and Hwang, YJ and McCord, MG and Bourham, MA}, year={2004}, month={Dec}, pages={2383–2389} } @inproceedings{mccord_2004, title={Medical textiles - meeting user needs}, booktitle={Innovations in medical, protective, and technical textiles : AATCC symposium ; February 18 - 19, 2004, Embassy Suites Hotel, Cary, North Carolina}, publisher={Research Triangle Park, NC: AATCC,}, author={McCord, M.G.}, year={2004} } @inproceedings{mccord_loboa_mente_blanchard_2004, title={Putting the "engineering" into tissue engineering: Development of undergraduate tissue engineering course materials and laboratory experiments}, booktitle={ASEE 2004 annual conference & exposition}, publisher={Washington, DC?] : ASEE}, author={McCord, M.G. and Loboa, E.G. and Mente, P.L. and Blanchard, S.M.}, year={2004} } @inproceedings{mccord_blanchard_mente_lalush_abrams_loboa_nagle_2004, title={Rubrics cubed: Tying grades to assessment to reduce faculty workload}, booktitle={ASEE 2004 annual conference & exposition}, publisher={Washington, DC : ASEE}, author={McCord, M.G. and Blanchard, S.M. and Mente, P.L. and Lalush, D.S. and Abrams, C.F. and Loboa, E.G. and Nagle, H.T.}, year={2004} } @article{mccord_hwang_matthews_park_bourham_2004, title={Study of organic polymer film treated by helium generated atmospheric pressure plasma}, volume={151}, number={7}, journal={Journal of the Electrochemical Society}, author={McCord, M. G. and Hwang, Y. J. and Matthews, S. R. and Park, Y. C. and Bourham, M. A.}, year={2004}, pages={C495–501} } @article{hwang_matthews_mccord_bourham_2004, title={Surface modification of organic polymer films treated in atmospheric plasmas}, volume={151}, ISSN={["1945-7111"]}, DOI={10.1149/1.1756891}, abstractNote={The effect of plasma treatment on surface characteristics of polyethylene terephthalate films was investigated using helium and oxygenated-helium atmospheric plasmas. Sample exposure to plasma was conducted in a closed ventilation test cell inside the main plasma chamber with variable exposure times. The percent weigh loss of the samples showed an initial increase followed by decrease with extended exposure time, indicating a combined mechanism of etching and redeposition. The wettability as measured by the contact angle showed a sharp initial increase followed by a steady-state trend with increased exposure time, suggesting a change in surface functionality. Atomic force microscopy analysis revealed increase in surface roughness, as well as evidence of redeposition of etched volatiles. Functionality changes were measured using X-ray photoelectron spectroscopy and these changes were correlated to the new plasma-induced properties.}, number={7}, journal={JOURNAL OF THE ELECTROCHEMICAL SOCIETY}, author={Hwang, YJ and Matthews, S and McCord, M and Bourham, M}, year={2004}, pages={C495–C501} } @inproceedings{mccord_qiu_shao_jensen_hwang_zhang_2004, title={The effects of atmospheric pressure plasma treatments on adhesion and mechanical properties of high-performance fibers for composites}, ISBN={9789067644037}, DOI={10.1201/b12183-3}, booktitle={Polymer surface modification: relevance to adhesion : volume 3}, publisher={Utrecht: VSP,}, author={McCord, Marian and Qiu, Y. and Shao, X. and Jensen, C. and Hwang, Y.J. and Zhang, C.}, year={2004} } @article{cai_qiu_zhang_hwang_mccord_2003, title={Effect of atmospheric plasma treatment on desizing of PVA on cotton}, volume={73}, DOI={10.1177/004051750307300803}, abstractNote={ Both air/He and air/O 2/He atmospheric plasma treatments are applied to desize PVA on cotton, then PDR (percent desizing ratio) and tensile strengths of cotton fabrics and single yams are measured. XPS and SEM are used to analyze the effects of atmospheric pressure plasma treatments on PVA. These treatments can both remove some PVA sizing and significantly improve PDR by washing, especially by cold water washing. The tensile strengths of cotton fabrics treated with atmospheric pressure plasma are the same as for the unsized fabric. XPS analysis of the plasma treated PVA films reveals surface chemical changes such as chain scission and formation of polar groups, which promote the solubility of PVA in cold water. Air/O2/He plasma is more effective than air/He plasma on PVA desizing. }, number={8}, journal={Textile Research Journal}, author={Cai, Z. S. and Qiu, Y. P. and Zhang, C. Y. and Hwang, Y. J. and McCord, Marian}, year={2003}, pages={670–674} } @article{hwang_qiu_zhang_jarrard_stedeford_tsai_park_mccord_2003, title={Effects of atmospheric pressure helium/air plasma treatment on adhesion and mechanical properties of aramid fibers}, volume={17}, ISSN={["0169-4243"]}, DOI={10.1163/156856103321645194}, abstractNote={In order to investigate the effect of atmospheric pressure plasmas on adhesion between aramid fibers and epoxy, aramid fibers were treated with atmospheric pressure helium/air for 15, 30 and 60 s on a capacitively-coupled device at a frequency of 5.0 kHz and He outlet pressure of 3.43 kPa. SEM analysis at 10 000× magnification showed no significant surface morphological change resulted from the plasma treatments. XPS analysis showed a decrease in carbon content and an increase in oxygen content. Deconvolution analysis of C1s, N1s and O1s peaks showed an increase in surface hydroxyl groups that can interact with epoxy resin. The microbond test showed that the plasma treatment for 60 s increased interfacial shear strength by 109% over that of the control (untreated). The atmospheric pressure plasma increased single fiber tensile strength by 16-26%.}, number={6}, journal={JOURNAL OF ADHESION SCIENCE AND TECHNOLOGY}, author={Hwang, YJ and Qiu, Y and Zhang, C and Jarrard, B and Stedeford, R and Tsai, J and Park, YC and McCord, M}, year={2003}, pages={847–860} } @inproceedings{mccord_blanchard_mente_nagle_spurlin_2003, title={Outcomes based curriculum development in a new and emerging biomedical engineering program}, booktitle={American Society for Engineering Education}, author={McCord, M. G. and Blanchard, S. M. and Mente, P. L. and Nagle, H. T. and Spurlin, J. E.}, year={2003} } @article{mccord_hwang_qiu_hughes_bourham_2003, title={Surface analysis of cotton fabrics fluorinated in radio-frequency plasma}, volume={88}, ISSN={["0021-8995"]}, DOI={10.1002/app.11896}, abstractNote={Abstract}, number={8}, journal={JOURNAL OF APPLIED POLYMER SCIENCE}, author={McCord, MG and Hwang, YJ and Qiu, Y and Hughes, LK and Bourham, MA}, year={2003}, month={May}, pages={2038–2047} } @article{cai_qiu_hwang_zhang_mccord_2003, title={The Use of Atmospheric Pressure Plasma Treatment in Desizing PVA on Viscose Fabrics}, volume={32}, ISSN={1528-0837 1530-8057}, url={http://dx.doi.org/10.1177/1528083703032003005}, DOI={10.1177/1528083703032003005}, abstractNote={ In this study, both air-oxygen-helium and air-helium atmospheric pressure plasma treatments were employed to desize PVA on a rayon (viscose) fabric. Both the plasma treatments were able to remove some of the PVA on the rayon fabric and increase PVA solubility in cold water, resulting in a higher weight loss in cold washing. The effect of the atmospheric pressure plasmas became greater as the treatment time increased. Plasma treatment followed by one cold and one hot washing had the same effect as the conventional chemical treatments followed by two cycles of cold and hot washing. The atmospheric plasma treatment did not have negative effect on rayon fabric tensile strength. }, number={3}, journal={Journal of Industrial Textiles}, publisher={SAGE Publications}, author={Cai, Zaisheng and Qiu, Yiping and Hwang, Yoon Joong and Zhang, Chuyang and McCord, Marian}, year={2003}, month={Jan}, pages={223–232} } @article{hwang_an_mccord_park_kang_2003, title={The effect of etching on low-stress mechanical properties of polypropylene fabrics under helium/oxygen atmospheric pressure plasma}, volume={4}, ISSN={["1229-9197"]}, DOI={10.1007/BF02908270}, number={4}, journal={FIBERS AND POLYMERS}, author={Hwang, YJ and An, JS and McCord, MG and Park, SW and Kang, BC}, year={2003}, month={Dec}, pages={145–150} } @inproceedings{mccord_blanchard_2003, title={Use of a single team-based written project to address multiple objectives and outcomes for a biomedical engineering program}, booktitle={2003 ASEE annual conference and exposition}, publisher={Washington, DC : ASEE}, author={McCord, M.G. and Blanchard, S. M.}, year={2003} } @inproceedings{mccord_nerz_2003, title={Using information literacy standards to meet ABET accreditation outcomes}, booktitle={2003 ASEE annual conference and exposition: June 22-25, 2003, Nashville, TN.}, publisher={Washington, DC: ASEE}, author={McCord, M.G. and Nerz, H.M.}, year={2003} } @article{qiu_hwang_zhang_bures_mccord_2002, title={Atmospheric pressure helium plus oxygen plasma treatment of ultrahigh modulus polyethylene fibers}, volume={16}, ISSN={["1568-5616"]}, DOI={10.1163/156856102760067217}, abstractNote={Ultrahigh modulus polyethylene fibers were treated with atmospheric pressure helium + oxygen plasma in a capacitively coupled device at a frequency of 7.5 kHz. The fibers were treated for 0, 0.5, 1, 1.5, and 2 min. The surfaces of the fibers treated with He + O2 plasma were etched and micro-cracks were formed. XPS analysis showed a 65ndash213% increase in oxygen content on the surfaces of all plasma-treated fibers, except for the 1.5 min group. An increase in the concentration of C—O and the appearance of C=O bonds on the surfaces of plasma-treated fibers were observed. In the micro-bond test, He + O2 plasma-treated groups had a 65–104% increase in interfacial shear strength over that of the control. The tensile strength of the fibers was either unchanged or decreased by 10–13% by the plasma treatments.}, number={4}, journal={JOURNAL OF ADHESION SCIENCE AND TECHNOLOGY}, author={Qiu, Y and Hwang, YJ and Zhang, C and Bures, BL and McCord, M}, year={2002}, pages={449–457} } @inproceedings{mccord_hwang_qiu_2002, title={Atmospheric pressure plasma modification of textile surfaces: Nylon 66, polypropylene, and ultra high modulus polyethylene}, booktitle={2nd AUTEX Conference: Textile engineering at the dawn of a new millenium: an exciting challenge, Crowne Plaza Hotel, Bruges, Belgium, 1-3 July 2002}, author={McCord, M.G. and Hwang, Y.J. and Qiu, Y.}, year={2002} } @article{mccord_hwang_hauser_qiu_cuomo_hankins_bourham_canup_2002, title={Modifying nylon and polypropylene fabrics with atmospheric pressure plasmas}, volume={72}, ISSN={["0040-5175"]}, DOI={10.1177/004051750207200605}, abstractNote={ Polypropylene and nylon 66 fabrics are subjected to atmospheric pressure He and He-O2 plasmas for selected exposure time intervals. Scanning electron microscopy anal ysis of the fabrics shows no apparent changes in the plasma-treated nylon fiber surfaces, but significant surface morphological changes for the polypropylene. Surface analyses of the nylon filaments reveal small differences in the surface carbon and oxygen contents between the treated and control groups. The surface oxygen and nitrogen content of the polypropylene fabric increases significantly after treatment in both He and He-O2 plasmas. There is a slight decrease in nylon fabric tensile strength after treatment in He plasma for 3 minutes, while. there is no significant change in tensile strength of the nylon fabric treated with He-O2 after exposure times of up to 8 minutes. }, number={6}, journal={TEXTILE RESEARCH JOURNAL}, author={McCord, MG and Hwang, YJ and Hauser, PJ and Qiu, Y and Cuomo, JJ and Hankins, OE and Bourham, MA and Canup, LK}, year={2002}, month={Jun}, pages={491–498} } @article{cai_hwang_park_zhang_mccord_qiu_2002, title={Preliminary investigation of atmospheric pressure plasma-aided desizing for cotton fabrics}, volume={2}, number={12}, journal={AATCC Review}, author={Cai, Z. S. and Hwang, Y. J. and Park, Y. C. and Zhang, C. Y. and McCord, M. and Qiu, Y. P.}, year={2002}, pages={18–21} } @article{mccord_hwang_qiu_canup_bourham_2002, title={Surface analysis of cotton fabrics fluorinated in atmospheric plasma}, volume={86}, journal={Journal of Applied Polymer Science}, author={McCord, M. and Hwang, Y. J. and Qiu, Y. and Canup, L. K. and Bourham, M. A.}, year={2002} } @article{qiu_zhang_hwang_bures_mccord_2002, title={The effect of atmospheric pressure helium plasma treatment on the surface and mechanical properties of ultrahigh-modulus polyethylene fibers}, volume={16}, ISSN={["0169-4243"]}, DOI={10.1163/15685610252771185}, abstractNote={Ultrahigh-modulus polyethylene fibers were treated with atmospheric pressure He plasma on a capacitively coupled device at a frequency of 7.5 kHz and a He partial vapor pressure of 3.43 × 103 Pa. The fibers were treated for 0, 1, and 2 min. Microscopic analysis showed that the surfaces of the fibers treated with He plasma were etched and that the 2-min He plasma-treated group had rougher surfaces than the 1-min He plasma-treated group. XPS analysis showed a 200% increase in the oxygen content and a 200% increase in the concentration of C—O bonds (from 11.4% to 31%) and the appearance of C=O bonds (from 0% to 7.6%) on the surface of plasma-treated fibers for the 2-min He plasma-treated group. In the microbond test, the 2-min He plasma-treated group had a 100% increase of interfacial shear strength over that of the control group, while the 1-min He plasma-treated group did not show a significant difference from the control group. The 2-min He plasma-treated group also showed a 14% higher single-fiber tensile strength than the control group.}, number={1}, journal={JOURNAL OF ADHESION SCIENCE AND TECHNOLOGY}, author={Qiu, Y and Zhang, C and Hwang, YJ and Bures, BL and McCord, M}, year={2002}, pages={99–107} } @inbook{mccord_george_hudson_2001, title={Surface characteristics of mineral filled polypropylene filaments}, ISBN={9780824700027}, booktitle={Surface characteristics of fibers and textiles}, publisher={New York: M. Dekker}, author={McCord, M.G. and George, B.R. and Hudson, S.M.}, editor={C. M. Pastore and Kiekens, P.Editors}, year={2001} } @inproceedings{barker_mccord_brown_deaton_2000, title={Comfort and barrier effectiveness of microporous films and laminates}, ISBN={9780803128699}, DOI={10.1520/stp14437s}, booktitle={Performance of protective clothing: issues and priorities for the 21st century. Seventh volume}, publisher={West Conshohocken, PA: ASTM}, author={Barker, R.L. and McCord, Marian and Brown, J.Z. and Deaton, A.S.}, editor={C.N. Nelson and Henry, N.W.Editors}, year={2000} } @inproceedings{mccord_deaton_barker_2000, title={Effects of fabric compression on the results of liquid penetration testing}, volume={7}, ISBN={9780803128699}, booktitle={Performance of protective clothing: issues and priorities for the 21st century. Seventh volume}, publisher={West Conshohocken, PA: ASTM}, author={McCord, M.G. and Deaton, A.S. and Barker, R.L.}, editor={C.N. Nelson and Henry, N.W.Editors}, year={2000} } @article{qiu_batchelor_jack_mccord_2000, title={Estimation of the axial tensile modulus of a particle-reinforced composite fiber with variable radius}, volume={60}, ISSN={["0266-3538"]}, DOI={10.1016/S0266-3538(00)00145-7}, abstractNote={The modulus of a fiber is difficult to measure, especially when the radius of the fiber changes along the length. The use of an arithmetic average radius or volume average radius to calculate fiber modulus leads to an underestimate of the modulus. A model for measuring and calculating the true tensile modulus of a fiber that has large radius variation is proposed. The model has been used to calculate the modulus of a Wollastonite particle-reinforced polypropylene fiber. The difference between the modulus calculated from the model and that from either the arithmetic or volume-average radius increases linearly as the coefficient of variation (CV) of the fiber radius increases, especially when CV< 5%. When the evenness of the fiber increases, i.e. CV → 0, the difference between the three methods for calculating the axial tensile modulus is negligible.}, number={14}, journal={COMPOSITES SCIENCE AND TECHNOLOGY}, author={Qiu, YP and Batchelor, SD and Jack, PR and McCord, MG}, year={2000}, pages={2731–2737} } @inproceedings{barker_mccord_deaton_2000, title={Liquid penetration pressures for fabrics tested in compression}, ISBN={9780803128699}, DOI={10.1520/stp14462s}, booktitle={Performance of protective clothing: issues and priorities for the 21st century. Seventh volume}, publisher={West Conshohocken, PA: ASTM}, author={Barker, R.L. and McCord, Marian and Deaton, A.S.}, editor={C.N. Nelson and Henry, N.W.Editors}, year={2000} } @inproceedings{george_hudson_mccord_2000, title={Production and Characterization of Mineral Filled Polypropylene Filaments}, booktitle={Proceedings of ASME Fall Congress 2000, Textile Engineering Division Session}, author={George, B. and Hudson, S. and McCord, M.G.}, year={2000} } @inproceedings{shalev_barker_mccord_tucker_lisk_2000, title={Protective textile particle penetration}, volume={7}, ISBN={9780803104617}, DOI={10.1520/stp14442s}, booktitle={Performance of protective clothing : issues and priorities for the 21st century}, publisher={West Conshohocken, PA: ASTM}, author={Shalev, I. and Barker, R.L. and McCord, Marian and Tucker, P.A. and Lisk, B.R.}, editor={R. L. Barker and Coletta, G. C.Editors}, year={2000} } @inbook{george_hudson_mccord_2000, title={Surface features of mineral filled polypropylene filaments}, ISBN={9780824700027}, booktitle={Surface characteristics of fibers and textiles}, publisher={New York: M. Dekker}, author={George, B. and Hudson, S.M. and McCord, M.}, editor={C. M. Pastore and Kiekens, P.Editors}, year={2000}, pages={139–160} } @inproceedings{mccord_2000, title={Testing of biological barrier fabrics}, booktitle={Second international conference on safety & protective fabrics: a technical focus on textile and material development for personal protection}, publisher={Roseville (MN) : Industrial Fabrics Association International}, author={McCord, M.G.}, year={2000} } @inproceedings{mccord_rajagopalan_barker_2000, title={The relationship between porosity and barrier effectiveness of some shell fabrics used in protective apparel}, volume={7}, ISBN={9780803128699}, DOI={10.1520/stp14453s}, booktitle={Performance of protective clothing: issues and priorities for the 21st century. Seventh volume}, publisher={West Conshohocken, PA: ASTM}, author={McCord, Marian and Rajagopalan, K.L. and Barker, R.L.}, editor={C.N. Nelson and Henry, N.W.Editors}, year={2000} } @inbook{mccord_spence_hudson_1999, title={A Chitosan composite material for bone replacement}, volume={2}, ISBN={9780780356740}, DOI={10.1109/iembs.1999.803884}, abstractNote={A mineral-filled chitosan composite was characterized and evaluated for suitability as a bone graft substitute. Chitosan was selected as a matrix material due to its biodegradability and inherent wound healing properties. The mineral component of bone, hydroxyapatite, was chosen as a filler. Compositions were varied by changing the amount of polymer contained in the matrix as well as the percentage of filler contained in the composite. The evaluation of mechanical properties included three-point bend, double shear, and tensile testing. Samples were tested first in a dry condition, as well as after immersion in Ringer's solution. Scanning electron microscopy was performed on all the dry samples. It was observed that the mechanical properties of the composites in the dry condition improved as percentage of polymer in the matrix increased and as filler content decreased. Upon exposure to a physiological fluid the mechanical properties of the wet composites improved as filler content increased.}, booktitle={Proceedings of the First Joint BMES/EMBS Conference: Serving humanity, advancing technology: Oct. 13-16 99, Atlanta, GA USA}, publisher={Piscataway, N.J.: IEEE}, author={McCord, Marian and Spence, M. and Hudson, S.}, editor={al., S. M. Blanchard...etEditor}, year={1999}, pages={729} } @inproceedings{barker_mccord_zinglemann_1999, title={Prediction of barrier properties of microporous membranes used in protective clothing}, ISBN={9780803128699}, booktitle={Performance of protective clothing: issues and priorities for the 21st century. Seventh volume}, publisher={West Conshohocken, PA: ASTM}, author={Barker, R. and McCord, M.G. and Zinglemann, J.L.}, editor={C.N. Nelson and Henry, N.W.Editors}, year={1999} } @book{mccord_pender_1999, title={Teaching Writing and Speaking in a Collaborative Learning Setting}, publisher={Workbook/Resource}, author={McCord, M.G. and Pender, K.}, year={1999} } @article{rajagopalan_mccord_barker_1997, title={A novel apparatus for measuring the penetration of chemical vapors through air permeable materials}, volume={1273}, ISBN={["0-8031-2402-3"]}, ISSN={["1071-5827"]}, DOI={10.1520/stp19889s}, abstractNote={Air permeable chemical protective clothing materials provide protection against permeation of toxic liquids and gases, while also allowing the permeation of air and moisture vapor. Evaluating the chemical permeation resistance of air permeable materials presents a technical challenge. Therefore, a novel apparatus was developed, which was specially designed to evaluate the penetration of chemical vapors through this type of air permeable protective clothing materials. The test apparatus was developed by modification made to a device used to conduct the ASTM F739 test. The details of the apparatus are described. The advantages of the experimental approach are also discussed.}, journal={PERFORMANCE OF PROTECTIVE CLOTHING, 6TH VOLUME}, publisher={West Conshohocken, PA: ASTM}, author={Rajagopalan, K and McCord, MG and Barker, RL}, year={1997}, pages={16–25} } @article{spence_mccord_1997, title={A novel composite for bone replacement}, ISBN={["0-7803-3869-3"]}, ISSN={["1086-4105"]}, DOI={10.1109/sbec.1997.583277}, abstractNote={In some cases of bone damage it becomes necessary to replace, recontour, and assist in the healing of the bone. Many materials have been proposed as useful replacements but none have been proven to be ideal. Resorbable polymers have been investigated but lack the desired strength as they degrade. Therefore, bone mineral, or hydroxyapatite, has been combined with polymers to provide additional strength and add osteoconductive properties. This research involves a mineral-filled polymer composite composed of chitosan and hydroxyapatite investigated as a resorbable bone replacement material. In vitro mechanical testing was conducted to evaluate its suitability for application. Three-point bending and double shear tests were performed. The suitability of this composite can not be conclusively determined without further investigation.}, journal={PROCEEDINGS OF THE 1997 16TH SOUTHERN BIOMEDICAL ENGINEERING CONFERENCE}, publisher={Piscataway, NJ : IEEE}, author={Spence, ML and McCord, MG}, year={1997}, pages={257–259} } @inproceedings{lisk_barker_mccord_shalev_tucker_1997, title={Aerosol barrier efficiency test method for wide range of fabrics}, ISBN={9780803124028}, booktitle={Performance of protective clothing. Sixth volume}, publisher={West Conshohocken, PA: ASTM}, author={Lisk, B. and Barker, R.L. and McCord, M.G. and Shalev, I. and Tucker, P.A.}, editor={J. O. Stull and Schwope, A. D.Editors}, year={1997} } @inproceedings{barker_tucker_mccord_shalev_wilderson-barnes_1997, title={Blood borne hazards protective apparel with reasonable comfort}, ISBN={9780803124028}, booktitle={Performance of protective clothing}, publisher={West Conshohocken, PA : ASTM}, author={Barker, R. and Tucker, P.A. and McCord, M.G. and Shalev, I. and Wilderson-Barnes, R.}, editor={J. O. Stull and Schwope, A. D.Editors}, year={1997} } @article{barnes_mccord_tucker_barker_shalev_zingelmann_1997, title={Bloodborne hazard protective apparel with reasonable comfort}, volume={1273}, ISBN={["0-8031-2402-3"]}, ISSN={["1071-5827"]}, DOI={10.1520/stp19902s}, abstractNote={Six commercially available surgical gown materials were tested for resistance to viral penetration and for heat and moisture transfer capabilities. All the materials contained films laminated onto substrate fabrics. Two of the samples contained microporous films, while the other four contained monolithic films. The samples containing the microporous film failed to prevent passage of the virus, while those containing the monolithic film did prevent penetration. The microporous films did allow the highest level of moisture vapor permeability and comfort ratings, but the values for some of the monolithic films fabrics were comparable. In order to investigate the effect of pore size on barrier and comfort properties, polycarbonate membranes of known pore sizes were subjected to the same test methods as the fabrics. The virus was found to be withheld by membranes with a pore size of 0.05 μm.}, journal={PERFORMANCE OF PROTECTIVE CLOTHING, 6TH VOLUME}, publisher={West Conshohocken, PA: ASTM}, author={Barnes, CR and McCord, MG and Tucker, PA and Barker, RL and Shalev, I and Zingelmann, JL}, year={1997}, pages={176–189} } @article{mccord_ellison_1996, title={An automated torsion balance for the investigation of microstructure of single filaments: Polypropylene}, volume={61}, DOI={10.1002/(sici)1097-4628(19960711)61:2<293::aid-app12>3.0.co;2-5}, abstractNote={The tensile properties of filaments have been related to fiber microstructure in numerous studies over several decades. However, there have been relatively few attempts to relate shear modulus to microstructure: most of the work on shear properties of filaments was done over 20 years ago. Since then, there have been advances in instrumentation and polymer technology. We present a review of the literature in these areas. We report the construction of a fully automated torsion balance and its efficacy in an investigation of the relationship between polypropylene (PP) fiber microstructure and shear modulus. This work lays the foundation for a definitive research program into microstructure/shear properties' interrelationships in fibers. Our torsion test apparatus is an enhanced implementation of the simple torsion balance. Data acquisition and test parameters are completely controlled by a microcomputer. Raw data from digital position encoders is converted into torquetwist data, which is then presented to a statistical program to determine the initial shear modulus of the filament. Torsion testing was performed on six PP fiber samples. It was found that the shear modulus of the filaments increased with an increase in amorphous orientation, but that in a filament with a radially differentiated structure, the relationship is biased by the modulus of the outer portion of the filament. © 1996 John Wiley & Sons, Inc.}, journal={Journal of Applied Polymer Science}, author={McCord, Marian and Ellison, M. S.}, year={1996}, pages={293–306} } @inproceedings{mccord_zingelmann_1996, title={Issues in current methodologies for testing medical textiles}, booktitle={INDA-TEC 96: international nonwovens conference: September 11-13, 1996, Hyatt Regency Crystal City, Crystal City, Virginia, USA}, publisher={Cary, NC : INDA, Association of the Nonwoven Fabrics Industry}, author={McCord, M.G. and Zingelmann, J.L.}, year={1996} } @inproceedings{mccord_ellison_1995, title={Torsional properties and microstructure of fibers}, booktitle={Book of papers : Hi-Tech Textiles Exhibition & Conference, July 24-26, 1995, Hyatt Regency Greenville, Greenville, South Carolina}, publisher={Cary, N.C. : INDA, Association of the Nonwoven Fabrics Industry}, author={McCord, M.G. and Ellison, M.S.}, year={1995} } @phdthesis{mccord_1994, title={An Automated Torsion Balance for the Investigation of Microstructure of Polypropylene Filaments}, school={Clemson University}, author={McCord, M.G.}, year={1994} } @article{ellison_schmier_1991, title={Tensile Fracture of High-Performance Fibers Individually Tested at Extremely Slow Strain Rates}, volume={201}, number={80}, journal={Abstracts of Papers of the American Chemical Society}, author={Ellison, M.S. and Schmier, M.G.}, year={1991}, month={Apr} } @inproceedings{mccord_powers_sander_1989, title={Incorporation of HTR and autogeneic cortical bone grafts}, booktitle={Transactions : fifteenth annual meeting of the Society for Biomaterials : April 28-May 2, 1989}, publisher={Birmingham, Ala.: The Society,}, author={McCord, M.G. and Powers, D.L. and Sander, T.}, year={1989} } @article{goldberg_schmier_1987, title={Alternating Lateralized Stimulation Technique for Performing Somatosensory Evoked-Potentials}, volume={67}, number={5}, journal={Electroencephalography and Clinical Neurophysiology}, author={Goldberg, G. and Schmier, M.G.}, year={1987}, month={Nov}, pages={102–103} } @inproceedings{mccord_1986, title={Introduction to testing of chemical and biological barriers}, ISBN={9780803104617}, booktitle={Performance of protective clothing: a symposium sponsored by ASTM Committee F-23 on Protective Clothing, Raleigh, NC, 16-20 July 1984}, publisher={Philadelphia, PA: ASTM}, author={McCord, M.G.}, editor={R. L. Barker and Coletta, G. C.Editors}, year={1986} } @inproceedings{mccord_1986, title={Research on new barrier testing approaches}, ISBN={9780803104617}, booktitle={Performance of protective clothing: a symposium sponsored by ASTM Committee F-23 on Protective Clothing, Raleigh, NC, 16-20 July 1984}, publisher={Philadelphia, PA: ASTM}, author={McCord, M.G.}, editor={R. L. Barker and Coletta, G. C.Editors}, year={1986} }