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Using NMR Spectroscopy to Obtain the Higher Order Structure of Biopharmaceutical Products
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| By
Yves Aubin
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Christopher Jones
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Darón I. Freedberg
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Simple methods can characterize polysaccharide vaccines and recombinant cytokines at high resolution.
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Rapid Assessment of Molecular Similarity between a Candidate Biosimilar and an Innovator Monoclonal Antibody Using Complementary LC–MS Methods
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Martin Gilar, PhD
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Hongwei Xie, PhD
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Asish Chakraborty, PhD
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Joomi Ahn
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Ying Qing Yu, PhD
,
Weibin Chen, PhD
,
St John Skilton, PhD
,
Jeffery R. Mazzeo, PhD
,
Deepalakshmi P. Dakshinamoorthy
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Intact protein LC–MS detected a mass variance of 62 Da and peptide mapping located a difference of two amino acids.
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Capturing Conformational Changes in Biotherapeutics by Hydrogen Deuterium Exchange and UHPLC–MS
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| By
Joomi Ahn
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St John Skilton, PhD
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By providing information on the relative accessibility of locations within a protein, HDX by mass spectrometry opens new windows into the higher order structure of biomolecules.
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Protein Characterization Through the Stages
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Lisa Crossley, PhD
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Biomanufacturers should follow a risk-based approach to decide which methods to use to characterize their products.
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Biophysical Characterization for Product Comparability
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Qin Zou, PhD
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Yin Luo, PhD
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Spectroscopic methods such as circular dichroism can detect subtle differences in higher order structure before and after changes in process and formulation.
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