期刊
ANALYTICAL CHEMISTRY
卷 95, 期 3, 页码 1785-1793出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.analchem.2c04442
关键词
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Point-of-care (POC) diagnostics focus on timely identification of harmful conditions close to patients' needs. While paper-based POC tests, such as lateral flow assays (LFA), have been successful, the COVID-19 pandemic has exposed their limitations. This perspective discusses strategies to develop paper-based POC tests that provide higher sensitivity, objective result interpretation, and multiplexing options for integration with machine learning into digital diagnostics and telemedicine.
Point-of-care (POC) diagnostics in particular focuses on the timely identification of harmful conditions close to the patients' needs. For future healthcare these diagnostics could be an invaluable tool especially in a digitalized or telemedicine-based system. However, while paper-based POC tests, with the most prominent example being the lateral flow assay (LFA), have been especially successful due to their simplicity and timely response, the COVID-19 pandemic highlighted their limitations, such as low sensitivity and ambiguous responses. This perspective discusses strategies that are currently being pursued to evolve such paper-based POC tests toward a superior diagnostic tool that provides high sensitivities, objective result interpretation, and multiplexing options. Here, we pinpoint the challenges with respect to (i) measurability and (ii) public applicability, exemplified with select cases. Furthermore, we highlight promising endeavors focused on (iii) increasing the sensitivity, (iv) multiplexing capability, and (v) objective evaluation to also ready the technology for integration with machine learning into digital diagnostics and telemedicine. The status quo in academic research and industry is outlined, and the likely highly relevant role of paper-based POC tests in future healthcare is suggested.
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