Works (33)

Updated: July 26th, 2023 21:17

2023 article

Assessing MTT and sulforhodamine B cell proliferation assays under multiple oxygen environments

Yao, M., Walker, G., & Gamcsik, M. P. (2023, July 5). CYTOTECHNOLOGY.

By: M. Yao n, G. Walker n & M. Gamcsik n

co-author countries: United States of America 🇺🇸
author keywords: MTT assay; SRB; Oxygen partial pressure; Hypoxia; Proliferation; Cancer
Source: Web Of Science
Added: July 24, 2023

2021 journal article

A multiwell plate-based system for toxicity screening under multiple static or cycling oxygen environments

SCIENTIFIC REPORTS, 11(1).

By: M. Yao  n, G. Walker* & M. Gamcsik n

co-author countries: United States of America 🇺🇸
MeSH headings : Cell Culture Techniques / instrumentation; Cell Culture Techniques / methods; Cell Hypoxia / drug effects; Cell Hypoxia / physiology; Cell Line, Tumor / metabolism; Doxorubicin / pharmacology; High-Throughput Screening Assays / methods; Humans; Neoplasms / metabolism; Oxygen / metabolism; Pancreatic Neoplasms / metabolism; Tirapazamine / pharmacology; Toxicity Tests / methods; Triazines / pharmacology; Tumor Microenvironment / physiology
Source: Web Of Science
Added: March 22, 2021

2019 journal article

Characterization of glass frit capillary pumps for microfluidic devices

MICROFLUIDICS AND NANOFLUIDICS, 23(5).

By: M. Rich  n, O. Mohd n, F. Ligler n & G. Walker*

co-author countries: United States of America 🇺🇸
author keywords: Porous; Glass; Capillary forces; Pump; Microfluidic; Point-of-care
Source: Web Of Science
Added: May 6, 2019

2019 journal article

Flow-Encoded Oxygen Control to Track the Time-Dependence of Molecular Changes Induced by Static or Cycling Hypoxia

ANALYTICAL CHEMISTRY, 91(23), 15032–15039.

co-author countries: United States of America 🇺🇸
MeSH headings : Aldehyde Dehydrogenase / metabolism; Caco-2 Cells; Cell Hypoxia; Cell Line, Tumor; Glucose / pharmacokinetics; Humans; Hypoxia-Inducible Factor 1, alpha Subunit / drug effects; Hypoxia-Inducible Factor 1, alpha Subunit / metabolism; Oxygen / metabolism; Oxygen / pharmacology; Pancreatic Neoplasms / pathology; Time Factors
Source: Web Of Science
Added: December 30, 2019

2019 journal article

Paper-based passive pumps to generate controllable whole blood flow through microfluidic devices

LAB ON A CHIP, 19(22), 3787–3795.

By: M. Sotoudegan n, O. Mohd*, F. Ligler n & G. Walker*

co-author countries: United Kingdom of Great Britain and Northern Ireland 🇬🇧 United States of America 🇺🇸
MeSH headings : Animals; Blood Component Removal / instrumentation; Microfluidic Analytical Techniques / instrumentation; Paper; Particle Size; Porosity; Swine
Source: Web Of Science
Added: November 25, 2019

2018 journal article

Mixing and delivery of multiple controlled oxygen environments to a single multiwell culture plate

AMERICAN JOURNAL OF PHYSIOLOGY-CELL PHYSIOLOGY, 315(5), C766–C775.

By: M. Yao n, T. Sattler n, Z. Rabbani n, T. Pulliam  n, G. Walker n & M. Gamcsik n

co-author countries: United States of America 🇺🇸
author keywords: cell culture; cycling hypoxia; finite element analysis; oxygen diffusion; permeability
MeSH headings : Caco-2 Cells; Cell Culture Techniques / instrumentation; Cell Hypoxia / genetics; Cell Proliferation / genetics; Humans; Hypoxia-Inducible Factor 1, alpha Subunit / chemistry; Hypoxia-Inducible Factor 1, alpha Subunit / metabolism; MCF-7 Cells; Oxygen / chemistry; Oxygen / metabolism
Source: Web Of Science
Added: December 10, 2018

2017 journal article

Modular pumps as programmable hydraulic batteries for microfluidic devices

TECHNOLOGY, 5(1), 21–30.

By: B. Cummins n, R. Chinthapatla n, B. Lenin n, F. Ligler n & G. Walker n

co-author countries: United States of America 🇺🇸
author keywords: Paper Microfluidics; Capillary Pump; Microfluidic; Lateral Flow; Microfluidic Pump; Point of Care
Source: Web Of Science
Added: August 6, 2018

2017 journal article

Time-Dependent Model for Fluid Flow in Porous Materials with Multiple Pore Sizes

Analytical Chemistry, 89(8), 4377–4381.

By: B. Cummins n, R. Chinthapatla n, F. Ligler n & G. Walker n

co-author countries: United States of America 🇺🇸
Sources: Web Of Science, Crossref
Added: August 6, 2018

2016 journal article

Drug Delivery: Microneedles Integrated with Pancreatic Cells and Synthetic Glucose-Signal Amplifiers for Smart Insulin Delivery (Adv. Mater. 16/2016)

Advanced Materials, 28(16), 3223–3223.

By: Y. Ye n, J. Yu  n, C. Wang  n, N. Nguyen n, G. Walker n, J. Buse *, Z. Gu n

co-author countries: United States of America 🇺🇸
Source: Crossref
Added: December 17, 2020

2016 journal article

Improving the analytical performance and versatility of paper spray mass spectrometry via paper microfluidics

ANALYST, 141(13), 4065–4073.

By: I. Murray n, G. Walker n & M. Bereman n

co-author countries: United States of America 🇺🇸
Source: Web Of Science
Added: August 6, 2018

2016 journal article

Microneedles Integrated with Pancreatic Cells and Synthetic Glucose-Signal Amplifiers for Smart Insulin Delivery

Advanced Materials, 28(16), 3115–3121.

By: Y. Ye n, J. Yu n, C. Wang n, N. Nguyen  n, G. Walker n, J. Buse *, Z. Gu n

co-author countries: United States of America 🇺🇸
MeSH headings : Animals; Blood Glucose / analysis; Blood Glucose / metabolism; Diabetes Mellitus, Experimental / blood; Diabetes Mellitus, Experimental / metabolism; Diabetes Mellitus, Experimental / pathology; Insulin / metabolism; Insulin Secretion; Islets of Langerhans / metabolism; Mice; Needles; Time Factors
Sources: Crossref, Web Of Science
Added: August 6, 2018

2016 journal article

Point-of-care diagnostics for niche applications

Biotechnology Advances, 34(3), 161–176.

By: B. Cummins n, F. Ligler n & G. Walker n

co-author countries: United States of America 🇺🇸
author keywords: Point-of-care; Diagnostics; Space travel; Sports medicine; Veterinary; Emergency care; Operating room
MeSH headings : Animals; Emergency Service, Hospital / organization & administration; Humans; Operating Rooms / organization & administration; Point-of-Care Systems / statistics & numerical data; Point-of-Care Systems / trends; Space Flight; Sports Medicine; Veterinary Medicine
Sources: Web Of Science, Crossref
Added: August 6, 2018

2016 review

Review of Automated Microinjection Systems for Single Cells in the Embryogenesis Stage

[Review of ]. IEEE-ASME TRANSACTIONS ON MECHATRONICS, 21(5), 2391–2404.

By: S. Permana n, E. Grant n, G. Walker n & J. Yoder n 

co-author countries: United States of America 🇺🇸
author keywords: Automation; biological cells; control system; mechatronics; reviews
Sources: Web Of Science, ORCID
Added: August 6, 2018

2015 journal article

A temperature microsensor for measuring laser-induced heating in gold nanorods

ANALYTICAL AND BIOANALYTICAL CHEMISTRY, 407(3), 719–725.

By: D. Pacardo n, B. Neupane n, G. Wang n, Z. Gu n, G. Walker n & F. Ligler n

co-author countries: United States of America 🇺🇸
author keywords: Microsensor; Gold nanorods; Temperature; Nanoparticles; Microfluidics
MeSH headings : Chemistry Techniques, Analytical / instrumentation; Chemistry Techniques, Analytical / methods; Equipment Design; Gold; Heating; Hot Temperature; Lasers; Microtechnology; Nanotubes / analysis
Source: Web Of Science
Added: August 6, 2018

2015 journal article

Biocompatibility of Tygon® tubing in microfluidic cell culture

Biomedical Microdevices, 17(1).

By: X. Jiang  n, R. Jeffries n, M. Acosta n, A. Tikunov n, J. Macdonald n, G. Walker n, M. Gamcsik n

co-author countries: United States of America 🇺🇸
author keywords: Biomaterial; Cancer cell; Biocompatibility; Toxicity; Polyvinylchloride; Spectroscopy
MeSH headings : Cell Culture Techniques / instrumentation; Cell Culture Techniques / methods; Cell Line, Tumor; Female; Humans; Microfluidic Analytical Techniques / instrumentation; Microfluidic Analytical Techniques / methods
Source: Crossref
Added: August 28, 2020

2014 journal article

A microfluidic device for thermal particle detection

Microfluidics and Nanofluidics, 17(5), 871–878.

By: A. Vutha*, B. Davaji *, C. Lee * & G. Walker*

co-author countries: United States of America 🇺🇸
author keywords: Microfluidics; Particle counting; Thermal
Source: Crossref
Added: December 21, 2020

2014 journal article

A microfluidic device to study cancer metastasis under chronic and intermittent hypoxia

Biomicrofluidics, 8(5), 054117.

By: M. Acosta n, X. Jiang n, P. Huang*, K. Cutler*, C. Grant n , G. Walker n, M. Gamcsik*

co-author countries: Taiwan, Province of China 🇹🇼 United States of America 🇺🇸
Sources: Web Of Science, Crossref, ORCID
Added: August 6, 2018

2012 journal article

A photo-defined membrane for precisely patterned cellular and microparticle arrays

AIP Advances, 2(1), 012153.

By: A. McPherson n & G. Walker n

co-author countries: United States of America 🇺🇸
Source: Crossref
Added: August 14, 2021

2012 journal article

Adjustable stiffness tubes via thermal modulation of a low melting point polymer

Smart Materials and Structures, 21(4), 042001.

By: H. Dong  n & G. Walker n

co-author countries: China 🇨🇳 United States of America 🇺🇸
Source: Crossref
Added: August 14, 2021

2012 journal article

Microfluidic Cytometer for the Characterization of Cell Lysis

ANALYTICAL CHEMISTRY, 84(5), 2195–2201.

By: J. SooHoo  n, J. Herr*, J. Ramsey* & G. Walker n

co-author countries: United States of America 🇺🇸
MeSH headings : Diffusion; Erythrocytes / cytology; Hemolysis; Humans; Kinetics; Microfluidic Analytical Techniques / instrumentation; Microfluidic Analytical Techniques / methods; Quaternary Ammonium Compounds / chemistry
Source: Web Of Science
Added: August 6, 2018

2011 article

PENSIONING OFF PIPETTES: Pensioning off pipettes

Walker, G. M. (2011, June). NATURE CHEMISTRY, Vol. 3, pp. 428–429.

By: G. Walker n

co-author countries: United States of America 🇺🇸
MeSH headings : Microfluidics / instrumentation; Nanotechnology; Robotics
Source: Web Of Science
Added: August 6, 2018

2010 journal article

A microfluidic passive pumping Coulter counter

MICROFLUIDICS AND NANOFLUIDICS, 9(4-5), 897–904.

By: A. McPherson n & G. Walker n

co-author countries: United States of America 🇺🇸
author keywords: Microfluidics; Resistive pulse; Colloid; Enumeration
Source: Web Of Science
Added: August 6, 2018

2010 journal article

Adjustable-Stiffness Films via Integrated Thermal Modulation

MACROMOLECULAR MATERIALS AND ENGINEERING, 295(8), 735–741.

By: H. Dong n & G. Walker n

co-author countries: China 🇨🇳 United States of America 🇺🇸
author keywords: adjustable stiffness; low-melting-point polymer; polycaprolactone; thermal modulation; young's modulus
Source: Web Of Science
Added: August 6, 2018

2009 journal article

Microfabricated curtains for controlled cell seeding in high throughput microfluidic systems

LAB ON A CHIP, 9(12), 1756–1762.

By: . Adrian T. O'Neill n, N. Monteiro-Riviere n  & G. Walker n

co-author countries: United States of America 🇺🇸

Contributors: . Adrian T. O'Neill n, N. Monteiro-Riviere n  & G. Walker n

MeSH headings : Cell Culture Techniques / instrumentation; Cell Movement; Cell Proliferation; Cell Survival / drug effects; Collagen / metabolism; Cytotoxins / toxicity; Dimethylpolysiloxanes; Humans; Keratinocytes / cytology; Keratinocytes / drug effects; Microfluidic Analytical Techniques / instrumentation; Nylons; Skin / cytology; Time Factors
Sources: Web Of Science, ORCID
Added: August 6, 2018

2009 journal article

Microfluidic aqueous two phase system for leukocyte concentration from whole blood

BIOMEDICAL MICRODEVICES, 11(2), 323–329.

By: J. SooHoo  n & G. Walker n

co-author countries: United States of America 🇺🇸
author keywords: Microfluidics; Leukocyte; Aqueous two phase separation; Blood; PEG; Dex
MeSH headings : Blood Component Removal / instrumentation; Blood Component Removal / methods; Cell Separation / instrumentation; Cell Separation / methods; Equipment Design; Equipment Failure Analysis; Humans; Leukocytes / cytology; Microfluidic Analytical Techniques / instrumentation; Microfluidic Analytical Techniques / methods; Phase Transition
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Characterization of microfluidic human epidermal keratinocyte culture

CYTOTECHNOLOGY, 56(3), 197–207.

By: . Adrian T. O'Neill n, N. Monteiro-Riviere n  & G. Walker n

co-author countries: United States of America 🇺🇸

Contributors: . Adrian T. O'Neill n, N. Monteiro-Riviere n  & G. Walker n

author keywords: cytotoxicity; high-throughput; keratinocyte; microfluidic; PDMS; toxicology
Sources: Web Of Science, ORCID
Added: August 6, 2018

2007 journal article

A linear dilution microfluidic device for cytotoxicity assays

LAB ON A CHIP, 7(2), 226–232.

By: G. Walker n, N. Monteiro-Riviere n , J. Rouse n & . Adrian T. O'Neill n

co-author countries: United States of America 🇺🇸

Contributors: G. Walker n, N. Monteiro-Riviere n , J. Rouse n & . Adrian T. O'Neill n

MeSH headings : Cells, Cultured; Combinatorial Chemistry Techniques; Diffusion; Drug Evaluation, Preclinical / instrumentation; Drug Evaluation, Preclinical / methods; Electrochemistry / methods; Equipment Design; Humans; Keratinocytes / cytology; Keratinocytes / drug effects; Microchemistry; Microfluidic Analytical Techniques / instrumentation; Microfluidic Analytical Techniques / methods; Microfluidics; Models, Statistical; Models, Theoretical
Sources: Web Of Science, ORCID
Added: August 6, 2018

2006 chapter

A serial dilution microfluidic device for cytotoxicity assays

In 28th annual International Conference of the IEEE Engineering in Medicine and Biology Society (pp. 2836–2839). Piscataway, NJ: IEEE.

By: A. O'Neill, N. Monteiro-Riviere  & G. Walker

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

2006 journal article

The IL Sequence in the LLKIL Motif in CXCR2 Is Required for Full Ligand-induced Activation of Erk, Akt, and Chemotaxis in HL60 Cells

Journal of Biological Chemistry, 281(47), 35931–35941.

By: J. Sai*, G. Walker*, J. Wikswo * & A. Richmond *

co-author countries: United States of America 🇺🇸
MeSH headings : Amino Acid Motifs; Cell Movement; Cell Separation; Chemokines / metabolism; Chemotaxis; Enzyme Activation; GTP Phosphohydrolases / metabolism; HL-60 Cells; Humans; Interleukin-8 / physiology; Ligands; Mutation; Protein Structure, Tertiary; Receptors, Interleukin-8B / chemistry; Receptors, Interleukin-8B / physiology; Signal Transduction
Source: Crossref
Added: September 18, 2021

2005 journal article

Effects of flow and diffusion on chemotaxis studies in a microfabricated gradient generator

Lab on a Chip, 5(6), 611.

By: G. Walker*, J. Sai*, A. Richmond *, M. Stremler *, C. Chung* & J. Wikswo*

co-author countries: United States of America 🇺🇸
MeSH headings : Cell Line, Tumor; Cell Movement / physiology; Chemokines, CXC / physiology; Chemotaxis / physiology; Diffusion; HL-60 Cells; Humans; Microfluidics / instrumentation; Microfluidics / methods; Receptors, Chemokine / physiology; Sensitivity and Specificity; Time Factors
Source: Crossref
Added: September 18, 2021

2004 journal article

Cell infection within a microfluidic device using virus gradients

Sensors and Actuators B: Chemical, 98(2-3), 347–355.

By: G. Walker*, M. Ozers & D. Beebe *

co-author countries: United States of America 🇺🇸
author keywords: microfluidics; baculovirus expression system; PDMS; microchannel; concentration gradient
Source: Crossref
Added: September 18, 2021

2004 journal article

Microenvironment design considerations for cellular scale studies

Lab on a Chip, 4(2), 91.

By: G. Walker*, H. Zeringue* & D. Beebe *

co-author countries: United States of America 🇺🇸
MeSH headings : Adsorption; Animals; Biocompatible Materials / chemistry; Bioreactors; Cell Adhesion; Cell Culture Techniques / instrumentation; Cell Culture Techniques / methods; Cells, Cultured; Diffusion; Equipment Design; Microfluidics / instrumentation; Microfluidics / methods; Stress, Mechanical
Source: Crossref
Added: September 18, 2021

2004 journal article

Microfluidic glucose stimulation reveals limited coordination of intracellular Ca2+ activity oscillations in pancreatic islets

Proceedings of the National Academy of Sciences, 101(35), 12899–12903.

co-author countries: United States of America 🇺🇸
author keywords: beta cell; ATP-sensitive K+ channels; NAD(P)H
MeSH headings : Animals; Calcium / metabolism; Glucose / metabolism; Islets of Langerhans / metabolism; Male; Mice; Microfluidics / instrumentation; Microscopy, Confocal; Time Factors
Source: Crossref
Added: September 18, 2021

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