便携式生物活性纸基传感器用于定量检测农药。
Portable bioactive paper-based sensor for quantification of pesticides.
机构信息
NanoBiz Ltd. Metu Technopolis, Galyum Block, Floor 2, No. 18, 06800 Ankara, Turkey ; Department of Biology, Nanobiotechnology R&D Lab, Middle East Technical University, 06800 Ankara, Turkey.
出版信息
J Anal Methods Chem. 2013;2013:932946. doi: 10.1155/2013/932946. Epub 2013 Jul 22.
Abstract
A paper-based biosensor was developed for the detection of the degradation products of organophosphorus pesticides. The biosensor quantifies acetylcholine esterase inhibitors in a fast, disposable, cheap, and accurate format. We specifically focused on the use of sugar or protein stabilizer to achieve a biosensor with long shelf-life. The new biosensor detected malathion with a detection limit of 2.5 ppm in 5 min incubation time. The operational stability was confirmed by testing 60 days storage at 4°C when glucose was used as stabilizer.
摘要
研究人员开发出一种基于纸张的生物传感器，用于检测有机磷农药的降解产物。该生物传感器以快速、一次性、廉价和准确的方式定量检测乙酰胆碱酯酶抑制剂。我们特别关注使用糖或蛋白质稳定剂来实现具有长保质期的生物传感器。新的生物传感器在 5 分钟孵育时间内检测到马拉硫磷的检测限为 2.5ppm。当使用葡萄糖作为稳定剂时，通过测试在 4°C 下储存 60 天，确认了其操作稳定性。
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