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Colorimetric hand-held sensors and biosensors with a small digital camera as signal recorder, a review
Reviews in Analytical Chemistry ( IF 4.3 ) Pub Date : 2020-01-01 , DOI: 10.1515/revac-2020-0111
Miroslav Pohanka 1
Affiliation  

Abstract Sensors, biosensors, lateral flow immunoassays, portable thin-layer chromatography and similar devices for hand-held assay are tools suitable for field or out of laboratories assays of various analytes. The assays frequently exert a limit of detection and sensitivity close to more expensive and elaborative analytical methods. In recent years, huge progress has been made in the field of optical instruments where digital cameras or light sensitive chips serve for the measurement of color density. General availability of cameras, a decrease of prices and their integration into wide spectrum phones, tablets and computers give the promise of easy application of analytical methods where such cameras will be employed. This review summarizes research on hand-held assays where small cameras like the ones integrated into smartphones are used. Discussion about such assays, their practical applicability and relevant specifications are also written here.

中文翻译:

以小型数码相机作为信号记录器的比色手持式传感器和生物传感器,综述

摘要 传感器、生物传感器、侧流免疫分析、便携式薄层色谱和类似的手持分析设备是适用于各种分析物的现场或实验室外分析的工具。这些测定法经常施加接近于更昂贵和精细的分析方法的检测极限和灵敏度。近年来,在数码相机或光敏芯片用于色密度测量的光学仪器领域取得了巨大进步。相机的普遍可用性、价格的下降以及它们与广谱手机、平板电脑和计算机的集成,为在使用此类相机的情况下轻松应用分析方法提供了希望。这篇综述总结了手持检测的研究,其中使用了像智能手机这样的小型相机。
更新日期:2020-01-01
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