A sensitive SERS assay of L-histidine via a DNAzyme-activated target recycling cascade amplification strategy

被引：36
|
作者：
Ye, Sujuan [1 ]
Guo, Yuanyuan [1 ]
Xiao, Jie [1 ]
Zhang, Shusheng [1 ]
机构：
[1] Qingdao Univ Sci & Technol, Key Lab Biochem Anal, Minist Educ, Coll Chem & Mol Engn, Qingdao 266042, Peoples R China
来源：
CHEMICAL COMMUNICATIONS | 2013年 / 49卷 / 35期
基金：
中国国家自然科学基金;
关键词：
ENHANCED RAMAN-SCATTERING; ROLLING-CIRCLE AMPLIFICATION; AMPLIFIED DETECTION; AMINO-ACID; DNA; SPECTROSCOPY; NANOPARTICLES; BIOSENSOR; ENZYME; SITES;
D O I：
10.1039/c3cc41619d
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A novel surface-enhanced Raman scattering (SERS) method is demonstrated to detect L-histidine based on DNAzyme which can specifically recognize L-histidine. Through a target recycling cascade amplification strategy, the DNAzyme-based SERS sensing system affords very high sensitivity for L-histidine with a detection limit of 0.56 nM.
引用
收藏
页码：3643 / 3645
页数：3
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