Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Shang-chen Yao"'
Publikováno v:
Frontiers in Chemistry, Vol 8 (2021)
In this study, two isomeric impurities were identified in cefotiam hydrochloride injection preparation and were characterized. Column-switching HPLC-MS and NMR techniques were used to identify the impurity 1 as the Δ3(4) isomers of cefotiam. Using s
Externí odkaz:
https://doaj.org/article/6782dd8235ac4127a22fd2e6477d5bab
Publikováno v:
Current Pharmaceutical Analysis. 18:710-718
Background: We systematically characterized an allergic dimer impurity in cefmenoxime hydrochloride raw material by UV, IR, HR-MS, 1D, and 2D NMR for the first time. Methods: The dimer stock solution of cefmenoxime hydrochloride was obtained by the d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9bae69d9327568bd74199f0b217bc502
https://doi.org/10.2174/1573412918666220318103024
https://doi.org/10.2174/1573412918666220318103024
Autor:
Xiao-meng, Chong, Jin, Li, Yan, Wang, Chen, Wang, Li-xin, Wang, Shang-chen, Yao, Chang-qin, Hu
Publikováno v:
Yao xue xue bao = Acta pharmaceutica Sinica. 51(7)
The critical attribute was analyzed in clavulanate potassium tablet of amoxicillin according to the principle QbD. By investigation of the drug impurity profile, the cycle-closed dimer and penicilloic acid of amoxicillin were considered to be the cri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::e3911fac6c9d40a1b426382b03623e85
https://pubmed.ncbi.nlm.nih.gov/29897214
https://pubmed.ncbi.nlm.nih.gov/29897214
Publikováno v:
The Journal of Antibiotics. 66:641-646
The production process, such as fermentation and purification etc., can significantly affect the relative ratio of matrix components in a multi-component antibiotic. The ratio of components can be varied in different products. This status causes a di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a70f88a93127d1380eb9b5e2e93caadc
https://doi.org/10.1038/ja.2013.66
https://doi.org/10.1038/ja.2013.66
Publikováno v:
Yao xue xue bao = Acta pharmaceutica Sinica. 47(12)
The quality of some earlier developed antibiotics is usually ensured by the combination of HPLC purity and microbiological potency measurement in the pharmacopoeias of various countries because the relationship between their purity and potency is not
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::6e23a5986b363a17327428f3312d870e
https://pubmed.ncbi.nlm.nih.gov/23460973
https://pubmed.ncbi.nlm.nih.gov/23460973
Publikováno v:
Current Pharmaceutical Analysis; May 2013, Vol. 9 Issue: 2 p145-158, 14p