Peter K. Kilpatrick

Works (47)

Updated: July 5th, 2023 16:04

2010 journal article

Neutron reflectometry of supported hybrid bilayers with inserted peptide

SOFT MATTER, 6(5), 862–865.

By: M. Smith n, D. McGillivray *, J. Genzer n , M. Losche* & P. Kilpatrick n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2009 journal article

Adsorption and molecular rearrangement of amphoteric species at oil-water interfaces

Journal of Physical Chemistry. B, Condensed Matter, Materials, Surfaces, Interfaces & Biophysical, 113(42), 13788–13799.

By: V. Verruto, R. Le & P. Kilpatrick

Source: NC State University Libraries
Added: August 6, 2018

2009 journal article

Asphaltene Adsorption onto Self-Assembled Monolayers of Alkyltrichlorosilanes of Varying Chain Length

ACS APPLIED MATERIALS & INTERFACES, 1(6), 1347–1357.

By: S. Turgman-Cohen  n, D. Fischer  n, P. Kilpatrick n & J. Genzer n 

author keywords: asphaltenes; self-assembled monolayers; alklyltrichlorosilanes; NEXAFS; ellipsometry; wettability
TL;DR: The adsorption of asphaltenes onto flat silica surfaces modified with self-assembled monolayers of alkyltrichlorosilanes of varying thickness due to a variable number of carbon atoms has been studied by means of contact angle measurements, spectroscopic ellipsometry, and near-edge X-ray absorption fine structure spectroscopy. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2009 journal article

Asphaltene Adsorption onto Self-Assembled Monolayers of Mixed Aromatic and Aliphatic Trichlorosilanes

LANGMUIR, 25(11), 6260–6269.

By: S. Turgman-Cohen  n, M. Smith n, D. Fischer *, P. Kilpatrick n & J. Genzer n 

TL;DR: The adsorption of asphaltenes onto flat solid surfaces modified with mixed self-assembled monolayers of aliphatic and aromatic trichlorosilanes with varying wettabilities, aromaticities, and thicknesses is tested and suggests that the leading interaction governing the adsor adaptation of asphtenes is their interaction with the polar silica substrate and that the chemical composition of the SAM is of secondary importance. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2008 journal article

On-chip electric field driven assembly of biocomposites from live cells and functionalized particles

Soft Matter, 4(4), 726–730.

By: S. Gupta  n, R. Alargova n, P. Kilpatrick n & O. Velev n 

Contributors: S. Gupta  n, R. Alargova n, P. Kilpatrick n & O. Velev n 

TL;DR: Live cells and surface-functionalized synthetic microparticles are co-assembled on electrically controlled chips to yield permanent chains and one cell layer thick membranes that can be freely manipulated in external magnetic fields. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: NC State University Libraries, ORCID, NC State University Libraries
Added: August 6, 2018

2008 article

Three-component phase behavior of the sclareol-ethyl lactate-carbon dioxide system for GAS applications

Tombokan, X. C., Aguda, R. M., Danehower, D. A., Kilpatrick, P. K., & Carbonell, R. G. (2008, June). JOURNAL OF SUPERCRITICAL FLUIDS, Vol. 45, pp. 146–155.

By: X. Tombokan n, R. Aguda n, D. Danehower n, P. Kilpatrick n & R. Carbonell n

author keywords: GAS; GRAS solvents; nutraceuticals; sclareol; extraction; precipitation
Source: Web Of Science
Added: August 6, 2018

2007 journal article

Characterization and optimization of gold nanoparticle-based silver-enhanced immunoassays

ANALYTICAL CHEMISTRY, 79(10), 3810–3820.

By: S. Gupta n, S. Huda n, P. Kilpatrick n & O. Velev n 

Contributors: S. Gupta n, S. Huda n, P. Kilpatrick n & O. Velev n 

MeSH headings : Adsorption; Antibodies; Antigens / analysis; Gold; Immunoassay / methods; Immunoassay / standards; Kinetics; Nanoparticles; Sensitivity and Specificity; Silver; Solutions
TL;DR: The role of mass transfer was investigated, and a model was developed to optimize the performance of immunoassays by correlating the opacities of silver spots to the concentration and incubation times of antigens and gold nanoparticles. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2007 article

Dynamic asphaltene-resin exchange at the oil/water interface: Time-dependent W/O emulsion stability for asphaltene/resin model oils

ENERGY & FUELS, Vol. 21, pp. 1343–1349.

By: X. Yang n, V. Verruto n & P. Kilpatrick n

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2007 article

Preferential solvent partitioning within asphaltenic aggregates dissolved in binary solvent mixtures

ENERGY & FUELS, Vol. 21, pp. 1217–1225.

By: V. Verruto n & P. Kilpatrick n

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2007 journal article

Study of the packing density and molecular orientation of bimolecular self-assembled monolayers of aromatic and aliphatic organosilanes on silica

LANGMUIR, 23(2), 673–683.

By: M. Smith n, K. Efimenko n , D. Fischer  n, S. Lappi n, P. Kilpatrick n & J. Genzer n 

TL;DR: These results demonstrate that whereas SAMs made of trichlorinated organosilanes are densely packed, SAMs prepared from monochlorinated species are less dense and poorly ordered. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2007 journal article

The stability of water-in-crude and model oil emulsions

Canadian Journal of Chemical Engineering, 85(6), 793–807.

By: A. Sullivan, N. Zaki, J. Sjoblom & P. Kilpatrick

Source: NC State University Libraries
Added: August 6, 2018

2006 journal article

Effects of synthetic amphiphilic alpha-helical peptides on the electrochemical and structural properties of supported hybrid bilayers on gold

LANGMUIR, 22(4), 1919–1927.

By: M. Smith n, J. Tong n, J. Genzer n , D. Fischer  n & P. Kilpatrick n

MeSH headings : Electrochemistry; Gold / chemistry; Lipid Bilayers / chemistry; Peptides / chemistry; Protein Structure, Secondary
TL;DR: Modeling of electrochemical impedance spectroscopy data revealed that the addition of peptide decreased dramatically the resistive element of the bilayer films while maintaining the value of the capacitive element, indicating successful incorporation of peptides into a well-formed bilayer. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2006 journal article

On the distribution of chemical properties and aggregation of solubility fractions in asphaltenes

ENERGY & FUELS, 20(2), 705–714.

By: K. Gawrys n, G. Blankenship n & P. Kilpatrick n

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Solvent entrainment in and flocculation of asphaltenic aggregates probed by small-angle neutron scattering

LANGMUIR, 22(10), 4487–4497.

By: K. Gawrys n, G. Blankenship n & P. Kilpatrick n

TL;DR: The results indicate that the inclusion of solvation effects is essential for the accurate determination of aggregate molecular weights and fractal dimensions. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2005 article

Asphaltenes and waxes do not interact synergistically and coprecipitate in solid organic deposits

ENERGY & FUELS, Vol. 19, pp. 1360–1375.

By: X. Yang  n & P. Kilpatrick n

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Asphaltenic aggregates are polydisperse oblate cylinders

JOURNAL OF COLLOID AND INTERFACE SCIENCE, 288(2), 325–334.

By: K. Gawrys n & P. Kilpatrick n

author keywords: asphaltenes; small-angle neutron scattering; polydispersity
TL;DR: Results indicate that the polydisperse radius oblate cylinder model best approximates the shape of asphaltene scattering spectra, and agreement of the model fit parameters (I(0) and R(G)) with those obtained from Guinier analyses suggests that such a form factor model is physically reasonable. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2005 article

Association behavior of pyrene compounds as models for asphaltenes

ENERGY & FUELS, Vol. 19, pp. 1268–1271.

By: K. Akbarzadeh  n, D. Bressler  n, J. Wang  n, K. Gawrys n, M. Gray  n, P. Kilpatrick n, H. Yarranton  n

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2004 journal article

Asphaltene aggregation: Techniques for analysis

INSTRUMENTATION SCIENCE & TECHNOLOGY, 32(3), 247–253.

By: K. Gawrys n & P. Kilpatrick n

author keywords: asphaltenes; near-infrared spectroscopy; pulsed-field gradient spin echo nuclear magnetic resonance; small-angle neutron scattering; vapor pressure osmometry
Source: Web Of Science
Added: August 6, 2018

2004 journal article

Interfacial rheology of petroleum asphaltenes at the oil-water interface

LANGMUIR, 20(10), 4022–4032.

By: P. Spiecker n & P. Kilpatrick n

TL;DR: This study is among the first to directly relate asphaltene chemistry to adsorption kinetics, adsorbed film mechanical properties, and consolidation kinetics. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2004 journal article

Stabilization of water-in-oil emulsions by naphthenic acids and their salts: Model compounds, role of pH, and soap: Acid ratio

JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY, 25(3), 253–261.

By: M. Ese n & P. Kilpatrick n

author keywords: napthenic acid; heptylbenzoic acid; water-in-oil emulsion; pH
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2003 journal article

A novel process for demulsification of water-in-crude oil emulsions by dense carbon dioxide

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 42(25), 6661–6672.

By: N. Zaki n, R. Carbonell n & P. Kilpatrick n

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Aggregation and solubility behavior of asphaltenes and their subfractions

JOURNAL OF COLLOID AND INTERFACE SCIENCE, 267(1), 178–193.

By: P. Spiecker n, K. Gawrys n & P. Kilpatrick n

TL;DR: Asphaltenes from four different crude oils were fractionated in mixtures of heptane and toluene and analyzed chemically, by vapor pressure osmometry (VPO), and by small angle neutron scattering (SANS). (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Effects of petroleum resins on asphaltene aggregation and water-in-oil emulsion formation

Colloids and Surfaces. A, Physicochemical and Engineering Aspects, 220(03-Jan), 27-.

By: P. Spiecker, K. Gawrys, C. Trail & P. Kilpatrick

Source: NC State University Libraries
Added: August 6, 2018

2003 patent

Methods of demulsifying emulsions using carbon dioxide

Washington, DC: U.S. Patent and Trademark Office.

By: N. Zaki, P. Kilpatrick & R. Carbonell

Source: NC State University Libraries
Added: August 6, 2018

2003 article

The role of asphaltene solubility and chemical composition on asphaltene aggregation

PETROLEUM SCIENCE AND TECHNOLOGY, Vol. 21, pp. 461–489.

By: K. Gawrys n, P. Spiecker n & P. Kilpatrick n

Source: Web Of Science
Added: August 6, 2018

2002 journal article

Factors contributing to petroleum foaming. 1. Crude oil systems

ENERGY & FUELS, 16(3), 700–710.

By: M. Poindexter n, N. Zaki n, P. Kilpatrick n, S. Marsh n & D. Emmons n

UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2002 journal article

Factors contributing to petroleum foaming. 2. Synthetic crude oil systems

ENERGY & FUELS, 16(3), 711–717.

By: N. Zaki n, M. Poindexter n & P. Kilpatrick n

Source: Web Of Science
Added: August 6, 2018

2002 review

The effects of inorganic solid particles on water and crude oil emulsion stability

[Review of ]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 41(14), 3389–3404.

By: A. Sullivan n & P. Kilpatrick n

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2001 patent

Methods and apparatus for separating Fischer-Tropsch catalysts from liquid hydrocarbon product

Washington, DC: U.S. Patent and Trademark Office.

By: G. Roberts & P. Kilpatrick

Source: NC State University Libraries
Added: August 6, 2018

2000 patent

Methods and apparatus for separating Fischer-Tropsch catalysts from liquid hydrocarbon product

Washington, DC: U.S. Patent and Trademark Office.

By: G. Roberts & P. Kilpatrick

Source: NC State University Libraries
Added: August 6, 2018

2000 patent

Therapeutic, production and immunostimulatory uses of biocidal compositions

Washington, DC: U.S. Patent and Trademark Office.

By: J. Mullerat, W. Curby, D. Hazlett & P. Kilpatrick

Source: NC State University Libraries
Added: August 6, 2018

1999 journal article

Fused ring aromatic solvency in destabilizing water-in-asphaltene-heptane-toluene emulsions

JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY, 20(1-2), 279–293.

By: S. Singh, J. McLean* & P. Kilpatrick*

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

1999 journal article

Separation of Fischer-Tropsch wax from catalyst using near-critical fluid extraction: Analysis of process feasibility

ENERGY & FUELS, 13(3), 667–677.

By: J. Biales n, Y. Di Wan n, P. Kilpatrick n & G. Roberts n

UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

1999 patent

Therapeutic, production and immunostimulatory uses of biocidal compositions

Washington, DC: U.S. Patent and Trademark Office.

By: J. Mullerat, W. Curby, D. Hazlett & P. Kilpatrick

Source: NC State University Libraries
Added: August 6, 2018

1998 journal article

Molecular characterization of wax isolated from a variety of crude oils

ENERGY & FUELS, 12(4), 715–725.

By: B. Musser n & P. Kilpatrick n

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

1998 patent

Therapeutic, production and immunostimulatory uses of biocidal compositions

Washington, DC: U.S. Patent and Trademark Office.

By: J. Mullerat, W. Curby, D. Hazlett & P. Kilpatrick

Source: NC State University Libraries
Added: August 6, 2018

1997 journal article

Comparison of precipitation and extrography in the fractionation of crude oil residua

ENERGY & FUELS, 11(3), 570–585.

By: J. McLean n & P. Kilpatrick n

Source: Web Of Science
Added: August 6, 2018

1997 journal article

Effects of asphaltene aggregation in model heptane-toluene mixtures on stability of water-in-oil emulsions

JOURNAL OF COLLOID AND INTERFACE SCIENCE, 196(1), 23–34.

By: J. McLean n & P. Kilpatrick n

TL;DR: The results of this study strongly supports the theory that asphaltenes are the most effective in stabilizing emulsions when they are near the point of incipient precipitation and points to the significance of the solubility state of the asphaltones in determining the emulsifying potential of these crude oils. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

1997 journal article

Effects of asphaltene solvency on stability of water-in-crude-oil emulsions

JOURNAL OF COLLOID AND INTERFACE SCIENCE, 189(2), 242–253.

By: J. McLean n & P. Kilpatrick n

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

1997 journal article

Selective precipitation of antibody with ligand-modified phospholipids: Effect of lipid chain length

BIOTECHNOLOGY PROGRESS, 13(4), 446–452.

By: P. Kilpatrick n, J. Lisi n & R. Carbonell n

TL;DR: The molecular picture which emerges is one in which the optimal rate is obtained by maximizing hydrophobic driving force for interaction of LMP acyl chains while still maintaining a submicellar state of aggregation. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

patent

Chromatography apparatus

Carbonell, R. G., Kilpatrick, P. K., Torres, J. L., & Guzman, R. Washington, DC: U.S. Patent and Trademark Office.

By: R. Carbonell, P. Kilpatrick, J. Torres & R. Guzman

Source: NC State University Libraries
Added: August 6, 2018

patent

Immunodiagnostic assay using liposomes carrying labels thereof on outer liposome surface

Carbonell, R. G., Kilpatrick, P. K., Jones, M. A., & Singh, A. K. Washington, DC: U.S. Patent and Trademark Office.

By: R. Carbonell, P. Kilpatrick, M. Jones & A. Singh

Source: NC State University Libraries
Added: August 6, 2018

patent

Methods and compositions for removing residues and substances from substrates using environmentally friendly solvents

Carbonell, R. G., Kilpatrick, P., & Saki, N.

By: R. Carbonell, P. Kilpatrick & N. Saki

Source: NC State University Libraries
Added: August 6, 2018

patent

Methods of deresinating crude oils using carbon dioxide

Zaki, N. N., Kilpatrick, P. K., & Carbonell, R. G.

By: N. Zaki, P. Kilpatrick & R. Carbonell

Source: NC State University Libraries
Added: August 6, 2018

patent

Precipitation of multivalent antiligands with affinity surfactants

Carbonell, R. G., Guzman, R., & Kilpatrick, P. K. Washington, DC: U.S. Patent and Trademark Office.

By: R. Carbonell, R. Guzman & P. Kilpatrick

Source: NC State University Libraries
Added: August 6, 2018

patent

Precipitation of multivalent antiligands with affinity surfactants

Carbonell, R. G., Guzman, R., & Kilpatrick, P. K. Washington, DC: U.S. Patent and Trademark Office.

By: R. Carbonell, R. Guzman & P. Kilpatrick

Source: NC State University Libraries
Added: August 6, 2018

patent

Purification by affinity binding to liposomes

Kilpatrick, P. K., Carbonell, R. G., & Powers, J. D. Washington, DC: U.S. Patent and Trademark Office.

By: P. Kilpatrick, R. Carbonell & J. Powers

Source: NC State University Libraries
Added: August 6, 2018

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