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通过化学计量学辅助荧光光谱法对治疗药物光降解的可视化研究。

Visualization of the photodegradation of a therapeutic drug by chemometric-assisted fluorescence spectroscopy.

作者信息

Tanioka Masaru, Ebihana Tsugumi, Uraguchi Manae, Shoji Haruka, Nakamura Yuka, Ueda Rina, Ogura Shota, Wakiya Yoshifumi, Obata Tohru, Ida Takahiro, Horigome Jun, Kamino Shinichiro

机构信息

School of Pharmaceutical Sciences, Aichi Gakuin University 1-100 Kusumoto-cho, Chikusa-ku Nagoya 464-8650 Japan

Sony Group Corporation 1-7-1 Konan Minato-ku Tokyo 108-0075 Japan.

出版信息

RSC Adv. 2022 Jul 19;12(32):20714-20720. doi: 10.1039/d2ra03534k. eCollection 2022 Jul 14.

DOI:10.1039/d2ra03534k
PMID:35919137
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9295133/
Abstract

The fluorescence spectral fingerprint, also known as the excitation-emission matrix (EEM), is used to assess and visualize therapeutic drug photodegradation in combination with chemometrics. Examination of EEM-parallel factor analysis (PARAFAC) data showed that an individual component was easily separated from a mixture of photogenerated products of a heterocyclic pharmacophore, in this case, phenothiazine drugs (PTZs). Detailed investigations of both structure-EEM relationships and kinetics revealed that the components extracted from EEM-PARAFAC could be quantitatively attributed to such photogenerated products as phenothiazine sulfoxide and carbazole derivatives. EEM in combination with principal component analysis (PCA) could be used as a mapping tool to visualize information of the photodegradation process of PTZs. We also assessed the photostability of various types of PTZs containing side chains by using validated EEM-PARAFAC methodology.

摘要

荧光光谱指纹图谱，也称为激发发射矩阵（EEM），用于结合化学计量学来评估和可视化治疗药物的光降解。对EEM平行因子分析（PARAFAC）数据的研究表明，单个成分很容易从杂环药效团（在这种情况下为吩噻嗪药物（PTZ））的光生产物混合物中分离出来。对结构-EEM关系和动力学的详细研究表明，从EEM-PARAFAC中提取的成分可以定量地归因于吩噻嗪亚砜和咔唑衍生物等光生产物。EEM与主成分分析（PCA）相结合可以用作映射工具，以可视化PTZ光降解过程的信息。我们还使用经过验证的EEM-PARAFAC方法评估了各种含侧链PTZ的光稳定性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bd4c/9295133/79d8b9f77c12/d2ra03534k-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bd4c/9295133/a79516bd4fe6/d2ra03534k-f1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bd4c/9295133/79d8b9f77c12/d2ra03534k-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bd4c/9295133/a79516bd4fe6/d2ra03534k-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bd4c/9295133/78d1e4fad166/d2ra03534k-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bd4c/9295133/c2ad805d1a45/d2ra03534k-f3.jpg
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