Subscription journal ISSN (Print) 0009-2363 - ISSN (Online) 1347-5223 This journal is no longer being updated because: the publisher no longer provides RSS feeds
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Authors:Yuri Ikeuchi-Takahashi, Machi Morii, Kurumi Yamazaki, Aoi Shimana, Ikki Shibazaki, Yasuko Obata Abstract: For taste masking of fexofenadine hydrochloride (FXD), ethylcellulose (EC) microparticles with FXD were developed. The amounts of EC, Tween 80, and polyvinyl alcohol (PVA) in the composition had little effect on initial drug release properties. Based on the results of the drug recovery and the drug release properties, FXD(EC200) was the optimal FXD microparticle formulation. From the results of Fourier transform infrared spectroscopy spectra and X-ray diffraction patterns of FXD(EC200), FXD... Citation: Chemical & pharmaceutical bulletin PubDate: 2023-12-20 DOI: 10.1248/cpb.c23-00754
Please help us test our new pre-print finding feature by giving the pre-print link a rating. A 5 star rating indicates the linked pre-print has the exact same content as the published article.
Authors:Nahoko Uchiyama, Junko Hosoe, Takanori Komatsu, Naoki Sugimoto, Kyoko Ishizuki, Tatsuo Koide, Mika Murabayashi, Taeko Shinozaki, Kengo Kobayashi, Yoshinori Fujimine, Katsuya Ofuji, Hitoshi Shimizu, Takashi Hasebe, Yumi Asai, Eri Ena, Kohei Kiyota, Kazuhiro Fujita, Yoshinobu Makino, Toru Miura, Yasuhiro Muto, Katsuo Asakura, Takako Suematsu, Hitomi Muto, Ai Kohama, Takashi Goto, Masu Yasuda, Tomohiko Ueda, Yukihiro Goda Abstract: The spectrum of ^(31)P-NMR is fundamentally simpler than that of ¹H-NMR; consequently identifying the target signal(s) for quantitation is simpler using quantitative ^(31)P-NMR (^(31)P-qNMR) than using quantitative ¹H-NMR (¹H-qNMR), which has been already established as an absolute determination method. We have previously reported a ^(31)P-qNMR method for the absolute determination of cyclophosphamide hydrate and sofosbuvir as water-soluble and water-insoluble organophosphorus compounds,... Citation: Chemical & pharmaceutical bulletin PubDate: 2023-10-29 DOI: 10.1248/cpb.c23-00635
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