生物传感器
背景(考古学)
检出限
纳米技术
大肠杆菌
纳米材料
生化工程
化学
色谱法
环境化学
材料科学
生物
生物化学
古生物学
基因
工程类
标识
DOI:10.1002/elan.202300003
摘要
A rapid and cost-effective method to specifically identify and quantify pathogenic Escherichia coli (E. coli) bacteria in aqueous samples and food products is highly recommended to avoid the degradation of human health that can unfortunately lead to fatal cases. To overcome these borderline situations, portable and easy-to-use screening devices are needed for the non-expert public and confirmed by medical personnel/physicians who can quickly guide/prescribe antibiotic treatments. In such a context, nanotechnologies are very promising and useful tools due to the remarkable optical, chemical and physical properties of biocompatible nanomaterials deposited or synthesized on traditional solid electrodes that greatly improve the detection limit and the selectivity of nanostructured-based biosensors. With this in mind, this review summarizes the latest advances in the bioelectrochemical detection of E. coli and its related products using different biosensor configurations in saline buffers and spiked real samples, namely food products (milk, fruits, vegetables), body fluids (blood, urine, swine feces) and river water.
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