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R.Reid Townsend

Researcher at Johns Hopkins University

Publications -  10
Citations -  1586

R.Reid Townsend is an academic researcher from Johns Hopkins University. The author has contributed to research in topics: Mass spectrometry & High-performance liquid chromatography. The author has an hindex of 10, co-authored 10 publications receiving 1552 citations.

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Monosaccharide analysis of glycoconjugates by anion exchange chromatography with pulsed amperometric detection.

TL;DR: The method of anion exchange chromatography followed by pulsed amperometric detection with AE-PAD has been applied to the compositional analysis of glycoconjugates and approximately one less residue of Man than predicted was determined.
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Binding of synthetic oligosaccharides to the hepatic Gal/GalNAc lectin. Dependence on fine structural features.

TL;DR: It was found that the number of Gal residues/cluster and their branching mode are major determinants of binding affinity of ligands to the hepatic lectin on the surface of hepatocytes.
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High-performance anion-exchange chromatography of oligosaccharides using pellicular resins and pulsed amperometric detection.

TL;DR: High-performance liquid chromatography using pellicular quaternary amine-bonded resins was used to separate a variety of neutral, sialylated, and phosphorylated oligosaccharide mixtures using electrochemical response, and complete separation of the parent neutral structures was obtained.
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Separation of branched sialylated oligosaccharides using high-pH anion-exchange chromatography with pulsed amperometric detection.

TL;DR: Ten characterized sialylated oligosaccharides from bovine fetuin were chromatographed using high-performance anion-exchange chromatography with pulsed amperometric detection and the relative molar electrochemical responses for di, tri, tetra, and pentasialylation oligosACcharides were found to be similar.
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Adaptation of a thermospray liquid chromatography/mass spectrometry interface for use with alkaline anion exchange liquid chromatography of carbohydrates.

TL;DR: An interface is described that allows the direct coupling of high-performance alkaline anion exchange liquid chromatography with thermospray mass spectrometry, and sensitivity studies show minimum detection limits for the test compounds to be in the microgram range.