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Pyrene Interaction with Selected Amines in Aqueous Sodium Dodecyl Sulphate (SDS)
Journal of Fluorescence ( IF 2.7 ) Pub Date : 2021-01-27 , DOI: 10.1007/s10895-021-02688-2
Muhammad Idrees 1 , Abdul Salam 1
Affiliation  

Pyrene interaction with a group of selected amines such as i.e. benzylamine, phenethylamine, trimethylamine, 1-phenylethylamine was studied in aqueous sodium dodecyl sulfate. All the four amines quenched the fluorescence intensity of pyrene in aqueous SDS. Pyrene acts as a sensitive and selective sensor for the detection of amines in environmental samples. Two different SDS concentrations (0.05 mol L− 1 and 0.1 mol L− 1) were used to get the optimum SDS concentration for maximum quenching and best detection and quantification limits. Lower SDS concentration (0.05 mol L− 1) was found the optimum for maximum quenching, lower detection and quantification limits. Fluorescence quenching of pyrene by the studied amines was treated with the Stern-Volmer equation that resulted in a Stern-Volmer constants (Ksv). Ksv reflects the sensitivity of pyrene for studied amines. Ksv varied between 1.962 × 104 − 0.020 × 103 mol L− 1. A sensitivity, detection limit (DL), quantification limit (QL) of pyrene for studied amines was found in the order Benzylamine > phenethylamie > trimethylamine > 1-phenylethylamine. DL varied from 4.53 × 10− 7 to 4.55 × 10− 4 mol L− 1 and QL varied from 1.51 × 10− 6 to 1.52 × 10− 3 mol L− 1. Method showed excellent reproducibility and is fruitful for the studied amines in environmental samples.



中文翻译:

芘与十二烷基硫酸钠 (SDS) 中特定胺的相互作用

在十二烷基硫酸钠水溶液中研究芘与一组选定的胺例如苄胺、苯乙胺、三甲胺、1-苯乙胺的相互作用。所有四种胺都淬灭了芘在 SDS 水溶液中的荧光强度。芘作为检测环境样品中胺的灵敏和选择性传感器。使用两种不同的 SDS 浓度(0.05 mol L - 1和 0.1 mol L - 1)来获得最佳 SDS 浓度,以获得最大淬灭和最佳检测和定量限。较低的 SDS 浓度 (0.05 mol L − 1) 被发现是最大淬火、较低检测和定量限的最佳选择。用 Stern-Volmer 方程处理研究的胺对芘的荧光猝灭,得到 Stern-Volmer 常数 ( K sv)。K sv 反映芘对所研究胺的敏感性。K sv 在 1.962 × 10 4 − 0.020 × 10 3 mol L − 1 之间变化。研究的胺的芘的灵敏度、检测限 (DL) 和定量限 (QL) 的顺序为苄胺 > 苯乙胺 > 三甲胺 > 1-苯乙胺。DL 从 4.53 × 10 − 7到 4.55 × 10 − 4 mol L − 1和 QL 从 1.51 × 10 - 6到 1.52 × 10 - 3 mol L - 1不等。方法显示出极好的重现性,并且对环境样品中的胺研究很有成效。

更新日期:2021-01-28
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