Detection of Bacteria Using Inkjet-Printed Enzymatic Test Strips

被引:72
作者
Creran, Brian [1 ]
Li, Xiaoning [1 ]
Duncan, Bradley [1 ]
Kim, Chang Soo [1 ]
Moyano, Daniel F. [1 ]
Rotello, Vincent M. [1 ]
机构
[1] Univ Massachusetts, Dept Chem, Amherst, MA 01003 USA
基金
美国国家卫生研究院;
关键词
inkjet printing; gold nanoparticles; bacteria; enzymes; sensing; GOLD NANOPARTICLES; IDENTIFICATION; PROTEINS; POLYMERS; SENSOR;
D O I
10.1021/am505689g
中图分类号
TB3 [工程材料学];
学科分类号
082905 [生物质能源与材料];
摘要
Low-cost diagnostics for drinking water contamination have the potential to save millions of lives. We report a method that uses inkjet printing to copattern an enzymenanoparticle sensor and substrate on a paper-based test strip for rapid detection of bacteria. A colorimetric response is generated on the paper substrate that allows visual detection of contamination without the need for expensive instrumentation. These strips demonstrate a viable nanomanufacturing strategy for low-cost bacterial detection.
引用
收藏
页码:19525 / 19530
页数:6
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