New Trends in Impedimetric Biosensors for the Detection of Foodborne Pathogenic Bacteria

被引:184
作者
Wang, Yixian [1 ]
Ye, Zunzhong [1 ]
Ying, Yibin [1 ]
机构
[1] Zhejiang Univ, Coll Biosyst Engn & Food Sci, Hangzhou 310058, Zhejiang, Peoples R China
来源
SENSORS | 2012年 / 12卷 / 03期
基金
中国国家自然科学基金;
关键词
impedimetric biosensors; foodborne pathogenic bacteria; nanomaterials; microfluidics technique; ESCHERICHIA-COLI O157-H7; ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY; SURFACE-PLASMON RESONANCE; BIOLOGICAL THREAT AGENTS; RAPID DETECTION; MICROFLUIDIC BIOSENSOR; LISTERIA-MONOCYTOGENES; STAPHYLOCOCCUS-AUREUS; ELECTRICAL DETECTION; SENSITIVE DETECTION;
D O I
10.3390/s120303449
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
The development of a rapid, sensitive, specific method for the foodborne pathogenic bacteria detection is of great importance to ensure food safety and security. In recent years impedimetric biosensors which integrate biological recognition technology and impedance have gained widespread application in the field of bacteria detection. This paper presents an overview on the progress and application of impedimetric biosensors for detection of foodborne pathogenic bacteria, particularly the new trends in the past few years, including the new specific bio-recognition elements such as bacteriophage and lectin, the use of nanomaterials and microfluidics techniques. The applications of these new materials or techniques have provided unprecedented opportunities for the development of high-performance impedance bacteria biosensors. The significant developments of impedimetric biosensors for bacteria detection in the last five years have been reviewed according to the classification of with or without specific bio-recognition element. In addition, some microfluidics systems, which were used in the construction of impedimetric biosensors to improve analytical performance, are introduced in this review.
引用
收藏
页码:3449 / 3471
页数:23
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