Search Results - "Gerhardt, Geoff C."

High-Speed and High-Resolution UPLC Separation at Zero Degrees Celsius by Wales, Thomas E, Fadgen, Keith E, Gerhardt, Geoff C, Engen, John R

“…The conformational properties of proteins can be probed with hydrogen/deuterium exchange mass spectrometry (HXMS). In order to maintain the deuterium label…”
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Characterization of Low-Temperature Cofired Ceramic Tiles as Platforms for Gas Chromatographic Separations by Darko, Ernest, Thurbide, Kevin B, Gerhardt, Geoff C, Michienzi, Joseph

“…A gas chromatography (GC) column is fabricated within a low-temperature cofired ceramic (LTCC) tile, and its analytical properties are characterized. By using…”
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Chromatographic performance of microfluidic liquid chromatography devices: Experimental evaluation of straight versus serpentine packed channels by Gilar, Martin, McDonald, Thomas S., Gritti, Fabrice, Roman, Gregory T., Johnson, Jay S., Bunner, Bernard, Michienzi, Joseph D., Collamati, Robert A., Murphy, Jim P., Satpute, Devesh D., Bannon, Matthew P., DellaRovere, Dennis, Jencks, Robert A., Dourdeville, Tad A., Fadgen, Keith E., Gerhardt, Geoff C.

“…•High-pressure compatible microfluidic (μLC) devices were micro-machined from titanium.•Straight and serpentine μLC columns with nominal i.d.’s of 0.15, 0.3…”
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Square-Wave Voltammetry Detection for Capillary Electrophoresis by Gerhardt, Geoff C, Cassidy, Richard M, Baranski, Andrzej S

“…A square-wave voltammetry (SWV) detection method for capillary electrophoresis (CE) using end-capillary detection is investigated. Although sensitive detection…”
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Capillary electrophoresis of some tetracycline antibiotics coupled with reductive fast cyclic voltammetric detection by Zhou, Jinkui, Gerhardt, Geoff C, Baranski, Andrej, Cassidy, Richard

“…The separation and quantitative performance parameters for tetracycline, chlortetracycline and oxytetracycline antibiotics were investigated by capillary zone…”
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Adsorption-Based Electrochemical Detection of Nonelectrochemically Active Analytes for Capillary Electrophoresis by Gerhardt, Geoff C, Cassidy, Richard M, Baranski, Andrzej S

“…A sensitive electrochemical detection method (ECD) for capillary electrophoresis has been developed that is applicable to a much wider range of analytes than…”
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Determination of tylosin and tilmicosin residues in animal tissues by reversed-phase liquid chromatography by Chan, W, Gerhardt, G C, Salisbury, C D

“…A method for the simultaneous determination of tylosin and tilmicosin residues in animal tissues is reported. Solid-phase extraction columns are used to…”
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Analysis of streptomycin and dihydrostreptomycin in milk by liquid chromatography by Gerhardt, G C, Salisbury, C D, MacNeil, J D

“…A method developed for the determination of the aminoglycoside antibiotics streptomycin and dihydrostreptomycin in tissues was applied to the analysis of fluid…”
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Determination of streptomycin and dihydrostreptomycin in animal tissue by on-line sample enrichment liquid chromatography by Gerhardt, G C, Salisbury, C D, MacNeil, J D

“…A method for the determination of streptomycin and dihydrostreptomycin in pork and bovine muscle and kidney was developed. Dilute perchloric acid solution is…”
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Determination of ionophores in the tissues of food animals by liquid chromatography by Gerhardt, G, Salisbury, C D, Campbell, H M

“…A liquid chromatographic method for determining residues of ionophores in bovine, porcine, and avian tissues is described. Tissues were extracted with…”
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