Surface-Enhanced Raman Spectroscopy-Based Approach for Ultrasensitive and Selective Detection of Hydrazine

被引：138
作者：
Gu, Xin [1 ]
Camden, Jon P. [1 ]
机构：
[1] Univ Notre Dame, Dept Chem & Biochem, Notre Dame, IN 46556 USA
来源：
ANALYTICAL CHEMISTRY | 2015年 / 87卷 / 13期
基金：
美国国家科学基金会;
关键词：
SINGLE-MOLECULE; SENSITIVE DETERMINATION; HOT-SPOTS; SERS; SILVER; SCATTERING; PROBE; DERIVATIZATION; CHROMATOGRAPHY; PHTHALAZINE;
D O I：
10.1021/acs.analchem.5b01566
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A probe mediated SERS-based strategy is developed to selectively detect hydrazine with superb sensitivity. Ortho-phthaldialdehyde, a simple probe, reacts specifically with hydrazine to form phthalazine, a molecule that possesses a larger Raman cross section and better affinity toward the SERS substrate. We observed a limit of detection of 8.5 X 10(-11) M. Our method shows both qualitative and quantitative measurement of hydrazine with high sensitivity, low cost, and fast analysis time.
引用
收藏
页码：6460 / 6464
页数：5
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