Steven H. Walker, Ph.D.

Affiliations: 
Chemistry North Carolina State University, Raleigh, NC 
Area:
Mass Spectrometry
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"Steven Walker"
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David Muddiman grad student 2013 NCSU
 (Relative Quantification of N-linked Glycans in Complex Mixtures via Stable Isotope Labeling and Enhanced Analysis by Liquid Chromatography Coupled Online to Mass Spectrometry.)
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Publications

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Hecht ES, Scholl EH, Walker SH, et al. (2015) Relative Quantification and Higher-Order Modeling of the Plasma Glycan Cancer Burden Ratio in Ovarian Cancer Case-Control Samples. Journal of Proteome Research. 14: 4394-401
Kaufmann A, Butcher P, Maden K, et al. (2015) Reliability of veterinary drug residue confirmation: high resolution mass spectrometry versus tandem mass spectrometry. Analytica Chimica Acta. 856: 54-67
Walker SH, Taylor AD, Muddiman DC. (2013) Individuality Normalization when Labeling with Isotopic Glycan Hydrazide Tags (INLIGHT): a novel glycan-relative quantification strategy. Journal of the American Society For Mass Spectrometry. 24: 1376-84
Walker SH, Taylor AD, Muddiman DC. (2013) The use of a xylosylated plant glycoprotein as an internal standard accounting for N-linked glycan cleavage and sample preparation variability. Rapid Communications in Mass Spectrometry : Rcm. 27: 1354-8
Walker SH, Carlisle BC, Muddiman DC. (2012) Systematic comparison of reverse phase and hydrophilic interaction liquid chromatography platforms for the analysis of N-linked glycans. Analytical Chemistry. 84: 8198-206
Harton SE, Pingali SV, Nunnery GA, et al. (2012) Evidence for complex molecular architectures for solvent-extracted lignins Acs Macro Letters. 1: 568-573
Walker SH, Lilley LM, Enamorado MF, et al. (2011) Hydrophobic derivatization of N-linked glycans for increased ion abundance in electrospray ionization mass spectrometry. Journal of the American Society For Mass Spectrometry. 22: 1309-17
Blake SL, Walker SH, Muddiman DC, et al. (2011) Spectral accuracy and sulfur counting capabilities of the LTQ-FT-ICR and the LTQ-Orbitrap XL for small molecule analysis. Journal of the American Society For Mass Spectrometry. 22: 2269-75
Walker SH, Budhathoki-Uprety J, Novak BM, et al. (2011) Stable-isotope labeled hydrophobic hydrazide reagents for the relative quantification of N-linked glycans by electrospray ionization mass spectrometry. Analytical Chemistry. 83: 6738-45
Kaufmann A, Butcher P, Maden K, et al. (2011) Semi-targeted residue screening in complex matrices with liquid chromatography coupled to high resolution mass spectrometry: current possibilities and limitations. The Analyst. 136: 1898-909
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