Wenqin Ni

Analysis of Isoaspartic Acid by Selective Proteolysis with Asp-N and Electron Transfer Dissociation Mass Spectrometry

Wenqin Ni, Shujia Dai, Barry L. Karger et al. · Analytical Chemistry · 2010 · 110 citations

Glycobiology, Biological Mass Spectrometry, Chemical Biology +23

Protein Isoaspartate Methyltransferase-Mediated ¹⁸O-Labeling of Isoaspartic Acid for Mass Spectrometry Analysis

Min Liu, Janet Cheetham, Nina S. Cauchon et al. · Analytical Chemistry · 2011 · 56 citations

Biological Mass Spectrometry, Molecular Biology, Peptide Science +19

Complete Mapping of a Cystine Knot and Nested Disulfides of Recombinant Human Arylsulfatase A by Multi-Enzyme Digestion and LC-MS Analysis Using CID and ETD

Wenqin Ni, Melanie Lin, Paul A. Salinas et al. · Journal of the American Society for Mass Spectrometry · 2012 · 43 citations · Full text

Detection and Quantitation of Succinimide in Intact Protein via Hydrazine Trapping and Chemical Derivatization

Joshua J. Klaene, Wenqin Ni, Joshua F. Alfaro et al. · Journal of Pharmaceutical Sciences · 2014 · 38 citations · Full text

Chemical Derivatization, Intact Protein, Protein Chemistry +7

In-Depth Characterization of N-Linked Oligosaccharides Using Fluoride-Mediated Negative Ion Microfluidic Chip LC–MS

Wenqin Ni, Jonathan Bones, Barry L. Karger · Analytical Chemistry · 2013 · 36 citations

Engineering, Biosensing Systems, Biochemistry +15