Search Results - "Wehmeyer, Kenneth"

Electrochemical Affinity Assays Sensors: Brief History and Current Status by Wehmeyer, Kenneth R, White, Ryan J, Kissinger, Peter T, Heineman, William R

“…The advent of electrochemical affinity assays and sensors evolved from pioneering efforts in the 1970s to broaden the field of analytes accessible to the…”
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Distributions of polycyclic musk fragrance in wastewater treatment plant (WWTP) effluents and sludges in the United States by Sun, Ping, Casteel, Kenneth, Dai, Hongjian, Wehmeyer, Kenneth R., Kiel, Brian, Federle, Thomas

“…The polycyclic musks, AHTN and HHCB are fragrance ingredients widely used in consumer products. A monitoring campaign was conducted and collected grab effluent…”
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Aquatic toxicity structure-activity relationships for the zwitterionic surfactant alkyl dimethyl amine oxide to several aquatic species and a resulting species sensitivity distribution by Belanger, Scott E., Brill, Jessica L., Rawlings, Jane M., McDonough, Kathleen M., Zoller, Ann C., Wehmeyer, Kenneth R.

“…Amine oxide (AO) is a cationically charged surfactant at environmental pH and has previously been assessed in the OECD (Organization for Economic Cooperation…”
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On-Line Sample Preconcentration Using Field-amplified Stacking Injection in Microchip Capillary Electrophoresis by Gong, Maojun, Wehmeyer, Kenneth R, Limbach, Patrick A, Arias, Francisco, Heineman, William R

“…Previous reports describing sample stacking on microchip capillary electrophoresis (μCE) have regarded the microchip channels as a closed system and treated…”
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Human systemic exposure to [14C]-paraphenylenediamine-containing oxidative hair dyes: Absorption, kinetics, metabolism, excretion and safety assessment by Nohynek, Gerhard J., Skare, Julie A., Meuling, Wim J.A., Wehmeyer, Kenneth R., de Bie, Albertus Th H.J., Vaes, Wouter H.J., Dufour, Eric K., Fautz, Rolf, Steiling, Winfried, Bramante, Mario, Toutain, Herve

“…•We measured human systemic exposure to two dark-shade, commercial oxidative hair dyes containing 1.0 or 2.0% [14C]-paraphenylene diamine (PPD).•Systemic…”
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Effects of season stratum corneum barrier function and skin biomarkers by Wei, Karl Shiqing, Stella, Ching, Wehmeyer, Kenneth R, Christman, Jeremy, Altemeier, Amy, Spruell, Russell, Wimalasena, Rohan L, Fadayel, Gina M, Reilman, Raymond A, Motlagh, Safa, Stoffolano, Peter J, Benzing, Kathleen, Wickett, R Randall

“…The skin on the lower legs of 25 female subjects was evaluated first in the winter, and then again in the summer of the same subjects. Barrier function was…”
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Unlimited-Volume Electrokinetic Stacking Injection in Sweeping Capillary Electrophoresis Using a Cationic Surfactant by Gong, Maojun, Wehmeyer, Kenneth R, Limbach, Patrick A, Heineman, William R

“…Sweeping is an effective and convenient way for online sample preconcentration in micellar electrokinetic chromatography. The usual procedure includes a…”
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Protein-aptamer binding studies using microchip affinity capillary electrophoresis by Gong, Maojun, Nikcevic, Irena, Wehmeyer, Kenneth R, Limbach, Patrick A, Heineman, William R

“…The use of traditional CE to detect weak binding complexes is problematic due to the fast-off rate resulting in the dissociation of the complex during the…”
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Rapid pKa estimation using vacuum-assisted multiplexed capillary electrophoresis (VAMCE) with ultraviolet detection by Zhou, Caixia, Jin, Yingkun, Kenseth, Jeremy R, Stella, Mark, Wehmeyer, Kenneth R, Heineman, William R

“…A rapid approach for estimating the pK(a) value of small organic molecules was developed using vacuum-assisted multiplexed capillary electrophoresis (VAMCE)…”
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Transcriptional profiling of epidermal barrier formation in vitro by Bachelor, Michael, Binder, Robert L, Cambron, R. Thomas, Kaczvinsky, Joseph R, Spruell, Russell, Wehmeyer, Kenneth R, Reilman, Raymond, Adams, Rachel, Tiesman, Jay P, Wang, Yu, Bascom, Charles C, Isfort, Robert J, DiColandrea, Teresa

“…Abstract Background Barrier function is integral to the health of epithelial tissues. Currently, there is a broad need to develop and improve our knowledge…”
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Trace Analysis of Bromate in Potato Snacks Using High-Performance Liquid Chromatography−Tandem Mass Spectrometry by Arias, Francisco, Li, Lijuan, Huggins, Thomas G, Keller, Paul R, Suchanek, Paula M, Wehmeyer, Kenneth R

“…A simple, sensitive, and selective high-performance liquid chromatography−tandem mass spectrometry (HPLC−MS/MS) method in the negative-ion electrospray…”
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Parallel separations using capillary electrophoresis on a multilane microchip with multiplexed laser-induced fluorescence detection by Nikcevic, Irena, Piruska, Aigars, Wehmeyer, Kenneth R, Seliskar, Carl J, Limbach, Patrick A, Heineman, William R

“…Parallel separations using CE on a multilane microchip with multiplexed LIF detection is demonstrated. The detection system was developed to simultaneously…”
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Frontal analysis in microchip CE: A simple and accurate method for determination of protein-DNA dissociation constant by Gong, Maojun, Wehmeyer, Kenneth R., Limbach, Patrick A., Heineman, William R.

“…Equilibrium constants, such as the dissociation constant (Kd), are a key measurement of noncovalent interactions that are of importance for the proper…”
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Study of injection bias in a simple hydrodynamic injection in microchip CE by Gong, Maojun, Wehmeyer, Kenneth R., Stalcup, Apryll M., Limbach, Patrick A., Heineman, William R.

“…The electrokinetically pinched method is the most commonly used mode for sample injection in microchip capillary electrophoresis (μCE) due to its simplicity…”
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On-line sample preconcentration by sweeping with dodecyltrimethylammonium bromide in capillary zone electrophoresis by Gong, Maojun, Wehmeyer, Kenneth R., Limbach, Patrick A., Heineman, William R.

“…On-line sample preconcentration of oligonucleotides with a new sweeping carrier was developed by using dodecyltrimethylammonium bromide (DTAB) below the…”
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Flow manipulation for sweeping with a cationic surfactant in microchip capillary electrophoresis by Gong, Maojun, Wehmeyer, Kenneth R., Limbach, Patrick A., Heineman, William R.

“…Flow manipulation in sweeping microchip capillary electrophoresis (CE) is complicated by the free liquid communication between channels at the intersection,…”
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Analytical Performance of Polymer-Based Microfluidic Devices Fabricated By Computer Numerical Controlled Machining by Mecomber, Justin S, Stalcup, Apryll M, Hurd, Doug, Halsall, H. Brian, Heineman, William R, Seliskar, Carl J, Wehmeyer, Kenneth R, Limbach, Patrick A

“…A study comparing the electrophoretic separation performance attainable from microchips molded by masters fabricated using conventional CNC machining…”
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Semi-automated liquid–liquid back-extraction in a 96-well format to decrease sample preparation time for the determination of dextromethorphan and dextrorphan in human plasma by Bolden, Renee D., Hoke II, Steven H., Eichhold, Thomas H., McCauley-Myers, David L., Wehmeyer, Kenneth R.

“…A semi-automated, 96-well based liquid–liquid back-extraction (LLE) procedure was developed and used for sample preparation of dextromethorphan (DEX), an…”
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Estimation of pK(a) values using microchip capillary electrophoresis and indirect fluorescence detection by Currie, Christa A, Heineman, William R, Halsall, H Brian, Seliskar, Carl J, Limbach, Patrick A, Arias, Francisco, Wehmeyer, Kenneth R

“…Microchip capillary electrophoresis (CE), coupled with indirect fluorescence detection was investigated for estimating the pK(a) values of non-fluorescent…”
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Estimation of pKa values using microchip capillary electrophoresis and indirect fluorescence detection by CURRIE, Christa A, HEINEMAN, William R, HALSALL, H. Brian, SELISKAR, Carl J, LIMBACH, Patrick A, ARIAS, Francisco, WEHMEYER, Kenneth R

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