2015
DOI: 10.1007/s11095-015-1648-8
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Investigation of a Degradant in a Biologics Formulation Buffer Containing L-Histidine

Abstract: L-histidine formulation buffer can be contaminated to induce histidine degradation to trans-urocanic acid, which shows a large UV 280 nm absorbing peak at the total permeation volume under SEC conditions. Amino acids alanine and cysteine effectively inhibit this histidine degradation.

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Cited by 5 publications
(3 citation statements)
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“…Wang and colleagues report the investigation of a degradant in a biologics formulation buffer containing L-histidine. 90 , 91 As described in this study, histidine can degrade to urocanic acid. Histidine degradation was slightly increased by Mn +2 .…”
Section: Review Of Hcapsmentioning
confidence: 66%
“…Wang and colleagues report the investigation of a degradant in a biologics formulation buffer containing L-histidine. 90 , 91 As described in this study, histidine can degrade to urocanic acid. Histidine degradation was slightly increased by Mn +2 .…”
Section: Review Of Hcapsmentioning
confidence: 66%
“…Sample color has also been correlated with enrichment in acidic species of mAbs (Butko, Pallat, Cordoba, & Yu, 2014). Use of chelators, antioxidants, or radical scavengers, such as EDTA or diethylene triamine pentaactic acid, have proven successful in mitigating the catalytic activities of degrading enzymes and oxidative stresses (Lam, Yang, & Cleland, 1997; Wang et al, 2015). Photo‐induced degradation could be mitigated through reducing unnecessary light exposure during manufacturing and storage (Du et al, 2019).…”
Section: Appearance Attributesmentioning
confidence: 99%
“…HILIC columns have been used for released glycans characterization and biologics formulation excipients characterization. 17,18 On ERLIC, the column stationary phase is positively charged and repulses basic peptides back to the mobile phase. Meanwhile, the mobile phase contains a high percentage of organic solvents, resulting in a water layer formed on the stationary phase, which would retain the polar peptides through hydrophilic interaction.…”
Section: Introductionmentioning
confidence: 99%