کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5009986 1462047 2017 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
A sensitive and selective Victoria blue 4R SERS molecular probe for sodium lauryl sulfate in AuNP/AgCl sol substrate
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
A sensitive and selective Victoria blue 4R SERS molecular probe for sodium lauryl sulfate in AuNP/AgCl sol substrate
چکیده انگلیسی
Sodium lauryl sulfate (SLS) is an important pollutant, it is urgent to develop simple and sensitive method for determination of SLS in environment. In this article, a gold nanoparticle (AuNP) sol with highly active surface enhanced Raman scattering (SERS) and good stability was prepared, based on the nanoenzyme AuNP catalysis of L-cysteine reduced HAuCl4. In the AuNP sol substrate containing the sensitized reagent of AgNO3 that formed strongly SERS active substrate of AuNP/AgCl, free-label Victoria blue 4R (VB4r) SERS molecular probes reacted with sodium lauryl sulfate (SLS) to form associated complexes with very weak SERS effect at 1617 cm−1 that caused the SERS intensity decreased linearly. A new SERS quantitative analysis method was established for the determination of 0.01-15 μmoL/L SLS, with a detection limit of 0.005 μmoL/L. SLS in water smples was determined, with a relative standard deviation of 1.36-8.55% and a coery of 97.4-104.1%.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Sensors and Actuators B: Chemical - Volume 244, June 2017, Pages 275-281
نویسندگان
, , , ,