Search Results - "Wahl, J H"

Sheathless capillary electrophoresis-electrospray ionization mass spectrometry using 10 mu m I.D. capillaries: analyses of tryptic digests of cytochrome c by Wahl, J H, Gale, D C, Smith, R D

“…The analyses of tryptic digest of proteins present a difficult challenge to the analytical chemist due to the wide range of molecular masses and…”
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Use of small-diameter capillaries for increasing peptide and protein detection sensitivity in capillary electrophoresis-mass spectrometry by Wahl, J H, Goodlett, D R, Udseth, H R, Smith, R D

“…The use of small ID capillaries is shown to provide a substantial increase in sensitivity for capillary electrophoresis-electrospray ionization/mass…”
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Capillary electrophoresis/mass spectrometry by Smith, Richard D, Wahl, Jon H, Goodlett, David R, Hofstadler, Steven A

“…Many scientific problems can only be solved by combining on-line separation methods with mass spectrometry (MS). The combining of MS with capillary…”
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Attomole level capillary electrophoresis-mass spectrometric protein analysis using 5-μm-i.d. capillaries by WAHL, J. H, GOODLETT, D. R, UDSETH, H. R, SMITH, R. D

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New developments in microscale separations and mass spectrometry for biomonitoring: capillary electrophoresis and electrospray ionization mass spectrometry by Smith, R D, Wahl, J H, Light-Wahl, K J, Winger, B E

“…In this article, we briefly highlight the use of capillary electrophoresis for sampling, manipulating, and separating extremely small sample sizes. The…”
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Capillary electrophoresis Fourier transform ion cyclotron resonance mass spectrometry with sustained off-resonance irradiation for the characterization of protein and peptide mixtures by Hofstadler, Steven A., Wahl, Jon H., Bakhtiar, Ray, Anderson, Gordon A., Bruce, James E., Smith, Richard D.

“…A new approach to protein and peptide analysis that involves the coupling of on-line capillary electrophoresis-electrospray ionization Fourier transform ion…”
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A study of the thermal denaturation of ribonuclease S by electrospray ionization mass spectrometry by Goodlett, David R., Ogorzalek Loo, Rachel R., Loo, Joseph A., Wahl, Jon H., Udseth, Harold R., Smith, Richard D.

“…The thermal stability of ribonuclease S (RNase S), and enzymatically active noncovalent complex composed of a 2166-u peptide (S-peptide) and a 11,534-u protein…”
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Integration of gas chromatography mass spectrometry methods for differentiating ricin preparation methods by Wunschel, David S, Melville, Angela M, Ehrhardt, Christopher J, Colburn, Heather A, Victry, Kristin D, Antolick, Kathryn C, Wahl, Jon H, Wahl, Karen L

“…The investigation of crimes involving chemical or biological agents is infrequent, but presents unique analytical challenges. The protein toxin ricin is…”
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Detection of agar, by analysis of sugar markers, associated with Bacillus anthracis spores, after culture by Wunschel, David S., Colburn, Heather A., Fox, Alvin, Fox, Karen F., Harley, William M., Wahl, Jon H., Wahl, Karen L.

“…Detection of small quantities of agar associated with spores of Bacillus anthracis could provide key information regarding its source or growth…”
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Solvent modulation in liquid chromatography: general concept and theory by Wahl, Jon H, Enke, Christie G, McGuffin, Victoria L

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Solvent modulation in liquid chromatography: experimental verification and comparison with conventional premixed mobile phases by Wahl, Jon H, Enke, Christie G, McGuffin, Victoria L

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Identification of Major Histocompatibility Complex-Regulated Body Odorants by Statistical Analysis of a Comparative Gas Chromatography/Mass Spectrometry Experiment by Willse, Alan, Belcher, Anne M, Preti, George, Wahl, Jon H, Thresher, Miranda, Yang, Peter, Yamazaki, Kunio, Beauchamp, Gary K

“…This paper examines the application of gas chromatography/mass spectrometry (GC/MS) in a comparative experiment to identify volatile compounds from urine that…”
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Direct surface analysis of fungal species by matrix-assisted laser desorption/ionization mass spectrometry by Valentine, Nancy B., Wahl, Jon H., Kingsley, Mark T., Wahl, Karen L.

“…In this study various methods of sample preparation and matrices were investigated to determine optimum collection and analysis criteria for fungal analysis by…”
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Capillary electrophoresis-mass spectrometry by Smith, R D, Udseth, H R, Wahl, J H, Goodlett, D R, Hofstadler, S A

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Direct electrospray ion current monitoring detection and its use with on-line capillary electrophoresis mass spectrometry by WAHL, J. H, HOFSTADLER, S. A, SMITH, R. D

“…A novel detection scheme for use with the capillary electrophoresis-electrospray ionization interface is described. The scheme is based upon the direct…”
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On-line capillary electrophoresis-electrospray ionization mass spectrometry of nucleotides by Zhao, Z, Wahl, J H, Udseth, H R, Hofstadler, S A, Fuciarelli, A F, Smith, R D

“…Capillary zone electrophoresis (CZE) and reversed anionic capillary isotachophoresis (CITP) conditions have been developed for the separation of mixtures…”
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A portable multi-dimensional gas chromatographic system for field applications by Wahl, Jon H., Riechers, Douglas M., Vucelick, Mark E., Wright, Bob W.

“…We have constructed and tested a multi‐dimensional gas chromatographic system that can be utilized for field portable applications. The chromatographic system…”
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On-line capillary electrophoresis with Fourier transform ion cyclotron resonance mass spectrometry by Hofstadler, Steven A, Wahl, Jon H, Bruce, James E, Smith, Richard D

“…The role of capillary electrophoresis (CE) in chemical and biochemical characterization is growing rapidly due to its speed, resolution, and flexibility for…”
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Characterization of plasma membrane proteins from ovarian cancer cells using mass spectrometry by Springer, David L, Auberry, Deanna L, Ahram, Mamoun, Adkins, Joshua N, Feldhaus, Jane M, Wahl, Jon H, Wunschel, David S, Rodland, Karin D

“…To determine how the repertoire of plasma membrane proteins change with disease state, specifically related to cancer, several methods for preparation of…”
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Direct Electrospray Ion Current Monitoring Detection and Its Use with Online Capillary Electrophoresis Mass Spectrometry by Wahl, Jon H, Hofstadler, Steven A, Smith, Richard D

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