用于智能比色测定 Triton X-100 溶液中离子表面活性剂的 Coomassie 亮蓝 G。

IF 2.2 3区 化学 Q2 INSTRUMENTS & INSTRUMENTATION
Applied Spectroscopy Pub Date : 2024-10-01 Epub Date: 2024-08-02 DOI:10.1177/00037028241267900
Liudmyla Korzhan, Sergey Kulichenko, Serhii Lelyushok, Viktoriia Klovak
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引用次数: 0

摘要

通过与库马西亮蓝 G(CBBG)反应,提出了智能比色测定十六烷基氯化吡啶和十二烷基硫酸钠的条件。研究了 CBBG 水溶液的吸收光谱和荧光光谱随酸度变化的性质。实验证明了多种试剂形式以及与离子表面活性剂的结合。确定了 CBBG-阳离子表面活性剂体系中形成的结合体的组成。在非离子表面活性剂 Triton X-100 的组织介质中进行反应时,阳离子表面活性剂的分析信号增加,体系的胶体化学状态稳定。这些效果是通过前胶体溶液中的结合以及 Triton X-100 胶体溶液中成分的增溶作用实现的。长链阳离子表面活性剂加入试剂后,杂原子质子会被置换。CBBG 阳离子表面活性剂联营体溶液的吸收量随阳离子表面活性剂碳氢链的长度而增加。乙醇添加剂可减少 CBBG 的聚集。阳离子表面活性剂测定技术已在药品分析中进行了测试。结果表明,所开发技术的优点是分析信号登记简单,正确性令人满意,测定灵敏度高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Coomassie Brilliant Blue G for Smart Colorimetric Determination of the Ionic Surfactants in Triton X-100 Solutions.

The conditions for the smart colorimetric determination of cetylpyridinium chloride and sodium dodecyl sulfate by reaction with Coomassie brilliant blue G (CBBG) have been proposed. The nature of the absorption and fluorescence spectra of aqueous solutions of CBBG as a function of acidity has been investigated. A variety of reagent forms and associations with ionic surfactants have been demonstrated. The composition of the associates formed in the CBBG-cationic surfactant system has been established. The increase in the analytical signal of the cationic surfactant and the stabilization of the colloid-chemical state of the system during reactions in the organized medium of the nonionic surfactant Triton X-100 has been demonstrated. These effects are realized through association in premicellar solutions and as a result of the solubilization of components in Triton X-100 micellar solutions. The addition of long-chain cationic surfactants to the reagent occurs with the replacement of the heteroatom proton. The absorption of CBBG-cationic surfactant associates solutions increases with the length of the cationic surfactant hydrocarbon chain. Ethanol additives decrease the aggregation of CBBG. The technique of cationic surfactant determination has been tested in the analysis of the pharmaceutical. The results show that the simplicity of analytical signal registration with satisfactory correctness and acceptably high sensitivity of determination is an advantage of the developed technique.

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来源期刊
Applied Spectroscopy
Applied Spectroscopy 工程技术-光谱学
CiteScore
6.60
自引率
5.70%
发文量
139
审稿时长
3.5 months
期刊介绍: Applied Spectroscopy is one of the world''s leading spectroscopy journals, publishing high-quality peer-reviewed articles, both fundamental and applied, covering all aspects of spectroscopy. Established in 1951, the journal is owned by the Society for Applied Spectroscopy and is published monthly. The journal is dedicated to fulfilling the mission of the Society to “…advance and disseminate knowledge and information concerning the art and science of spectroscopy and other allied sciences.”
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