Search Results - "Walker, S. Hunter"

Stable-Isotope Labeled Hydrophobic Hydrazide Reagents for the Relative Quantification of N-Linked Glycans by Electrospray Ionization Mass Spectrometry by Walker, S. Hunter, Budhathoki-Uprety, Januka, Novak, Bruce M, Muddiman, David C

“…This study presents the development of stable-isotope labeled hydrophobic, hydrazide reagents for the relative quantification of N-linked glycans. The P2GPN…”
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Interplay of Permanent Charge and Hydrophobicity in the Electrospray Ionization of Glycans by Walker, S. Hunter, Papas, Brian N, Comins, Daniel L, Muddiman, David C

“…The analysis of N-linked glycans by mass spectrometry (MS) has been characterized by low signal-to-noise ratios and high limits of detection due to their…”
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Hydrophobic Derivatization of N-linked Glycans for Increased Ion Abundance in Electrospray Ionization Mass Spectrometry by Walker, S. Hunter, Lilley, Laura M., Enamorado, Monica F., Comins, Daniel L., Muddiman, David C.

“…A library of neutral, hydrophobic reagents was synthesized for use as derivatizing agents in order to increase the ion abundance of N -linked glycans in…”
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Spectral Accuracy and Sulfur Counting Capabilities of the LTQ-FT-ICR and the LTQ-Orbitrap XL for Small Molecule Analysis by Blake, Samantha L., Walker, S. Hunter, Muddiman, David C., Hinks, David, Beck, Keith R.

“…Color Index Disperse Yellow 42 (DY42), a high-volume disperse dye for polyester, was used to compare the capabilities of the LTQ-Orbitrap XL and the LTQ-FT-ICR…”
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Relative Quantification and Higher-Order Modeling of the Plasma Glycan Cancer Burden Ratio in Ovarian Cancer Case-Control Samples by Hecht, Elizabeth S, Scholl, Elizabeth H, Walker, S. Hunter, Taylor, Amber D, Cliby, William A, Motsinger-Reif, Alison A, Muddiman, David C

“…An early-stage, population-wide biomarker for ovarian cancer (OVC) is essential to reverse its high mortality rate. Aberrant glycosylation by OVC has been…”
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Individuality Normalization when Labeling with Isotopic Glycan Hydrazide Tags (INLIGHT): A Novel Glycan-Relative Quantification Strategy by Walker, S. Hunter, Taylor, Amber D., Muddiman, David C.

“…The Individuality Normalization when Labeling with Isotopic Glycan Hydrazide Tags (INLIGHT) strategy for the sample preparation, data analysis, and relative…”
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Systematic Comparison of Reverse Phase and Hydrophilic Interaction Liquid Chromatography Platforms for the Analysis of N‑Linked Glycans by Walker, S. Hunter, Carlisle, Brandon C, Muddiman, David C

“…Due to the hydrophilic nature of glycans, reverse phase chromatography has not been widely used as a glycomic separation technique coupled to mass…”
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One- and Two-Dimensional Translational Energy Distributions in the Iodine-Loss Dissociation of 1,2-C2H4I2 + and 1,3-C3H6I2 +: What Does This Mean? by Baer, Tomas, Walker, S. Hunter, Shuman, Nicholas S, Bodi, Andras

“…Threshold photoelectron photoion coincidence (TPEPICO) has been used to study the sequential photodissociation reaction of internal energy selected…”
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The use of a xylosylated plant glycoprotein as an internal standard accounting for N-linked glycan cleavage and sample preparation variability by Walker, S. Hunter, Taylor, Amber D., Muddiman, David C.

“…RATIONALE Traditionally, free oligosaccharide internal standards are used to account for variability in glycan relative quantification experiments by mass…”
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Dissociative Photoionization Study of Neopentane: A Path to an Accurate Heat of Formation of the t-Butyl Ion, t-Butyl Iodide, and t-Butyl Hydroperoxide by Stevens, William R, Walker, S. Hunter, Shuman, Nicholas S, Baer, Tomas

“…The dissociation dynamics of energy selected neopentane, t-butyl iodide, and t-butyl hydroperoxide ions have been investigated by threshold…”
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Evidence for Complex Molecular Architectures for Solvent-Extracted Lignins by Harton, Shane E, Pingali, Sai Venkatesh, Nunnery, Grady A, Baker, Darren A, Walker, S. Hunter, Muddiman, David C, Koga, Tadanori, Rials, Timothy G, Urban, Volker S, Langan, Paul

“…Lignin, an abundant, naturally occurring biopolymer, is often considered “waste” and used as a simple fuel source in the paper-making process. However, lignin…”
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One- and Two-Dimensional Translational Energy Distributions in the Iodine-Loss Dissociation of 1,2-C 2 H 4 I 2 + and 1,3-C 3 H 6 I 2 + : What Does This Mean? by Baer, Tomas, Walker, S. Hunter, Shuman, Nicholas S., Bodi, Andras

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Hydrophobic Derivatization of N-linked Glycans for Increased Ion Abundance in Electrospray Ionization Mass Spectrometry : INTERDISCIPLINARY BIOLOGICAL MS by WALKER, S. Hunter, LILLEY, Laura M, ENAMORADO, Monica F, COMINS, Daniel L, MUDDIMAN, David C

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