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

被引：137

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

页码：6460 / 6464

页数：5

共 33 条

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