Determination of methylene blue by resonance light scattering method using silica nanoparticles as probe

被引：0
作者：
Jin Fan
Zhi-Hai Xie
Xiao-Xiao Teng
Yu Zhang
机构：
[1] KeyLaboratoryofSynthetic&NaturalFunctionalMolecularChemistryofTheMinistryofEducation,CollegeofChemistry&MaterialScience,NorthwestUniversity
来源：
Chinese Chemical Letters | 2017年 / 28卷 / 05期
关键词：
Methylene blue; Silica nanoparticles; Aggregation; Resonance light scattering; Determination;
D O I：
暂无
中图分类号：
O657.3 [光化学分析法（光谱分析法）]; TB383.1 [];
学科分类号：
070302 ; 081704 ; 070205 ; 080501 ; 1406 ;
摘要：
A simple and novel method was developed to determine methylene blue（MB） by resonance light scattering（RLS） using silica nanoparticles（SiO2NPs） as the probe.It was found that MB could enhance the RLS intensity of SiO2NPs.Moreover,the increase in RLS intensity was linear with the concentration of MB over the range of 0.01-3.0 μg mL-1.The limit of detection（LOD） was as low as 4.36 ng mL-1（3σ） and the relative standard deviation（RSD） was 2.4%（n=6）.Under the optimum experimental conditions,this proposed method was successfully applied for the determination of MB in aquaculture samples with recoveries between 96.3% and 107%.Possible mechanisms for the RLS enhancement of SiO2NPs in the presence of MB were also discussed.
引用
收藏
页码：1104 / 1110
页数：7
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