Pengwei Zhao , Zhixuan Song , Yunhan Li , Xiaorui Liu , Zhengjin Jiang , Qing Zhu , Jia-Huan Qu
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Rapid and simple fluorescent detection of chlorogenic acid in Aidi injection using aggregation-induced emission (AIE) nanoclusters
Chlorogenic acid (CGA) is a key component in Aidi injection, known for its anti-cancer properties and ability to reduce toxicity. Therefore, accurate detection of CGA levels in Aidi injection is essential for monitoring therapeutic efficacy and minimizing adverse effects. This study presents a rapid and simple fluorescent method for detecting CGA in Aidi injection using aggregation-induced emission (AIE) nanoclusters, i.e. D(-)-penicillamine (DPA)-capped bimetallic gold/copper nanoclusters (DPA-Au/CuNCs). Upon the addition of CGA, the aggregation state of DPA-Au/CuNCs was disrupted through hydrogen bond formation and ligand exchange, leading to fluorescence quenching. The prepared DPA-Au/CuNCs exhibited a rapid response time of 0.5 min, and demonstrated good sensitivity for CGA, with a limit of detection of 3.75 μg/mL, and a linear detection range of 12.5–200 μg/mL. This method was successfully applied for the analysis of CGA in Aidi injection and plasma with good recovery rates and minimal matrix effect, highlighting its potential for the applications in pharmaceutical products and clinical samples.
期刊介绍：
This journal is an international medium directed towards the needs of academic, clinical, government and industrial analysis by publishing original research reports and critical reviews on pharmaceutical and biomedical analysis. It covers the interdisciplinary aspects of analysis in the pharmaceutical, biomedical and clinical sciences, including developments in analytical methodology, instrumentation, computation and interpretation. Submissions on novel applications focusing on drug purity and stability studies, pharmacokinetics, therapeutic monitoring, metabolic profiling; drug-related aspects of analytical biochemistry and forensic toxicology; quality assurance in the pharmaceutical industry are also welcome.
Studies from areas of well established and poorly selective methods, such as UV-VIS spectrophotometry (including derivative and multi-wavelength measurements), basic electroanalytical (potentiometric, polarographic and voltammetric) methods, fluorimetry, flow-injection analysis, etc. are accepted for publication in exceptional cases only, if a unique and substantial advantage over presently known systems is demonstrated. The same applies to the assay of simple drug formulations by any kind of methods and the determination of drugs in biological samples based merely on spiked samples. Drug purity/stability studies should contain information on the structure elucidation of the impurities/degradants.
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