Journal
BIOSENSORS & BIOELECTRONICS
Volume 132, Issue -, Pages 17-37Publisher
ELSEVIER ADVANCED TECHNOLOGY
DOI: 10.1016/j.bios.2019.01.068
Keywords
Point-of-care testing; Smartphone; Liquid biopsy; Diseases
Categories
Funding
- National Key R. D. Plan [2017YFB0405400]
- National Natural Science Foundation of China [61774175, 61674146]
- Opened Fund of the State Key Laboratory of Integrated Optoelectronics [IOSKL2017KF12]
- Key Program of Natural Science Foundation of Beijing [4181001]
- leading project of youth academic team @ Minzu University of China [317201929]
- Young and middle-aged talents training program of State Ethnic Affairs Commission
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Smartphone-based point-of-care testing (POCT) is rapidly emerging as a potential alternative to the traditional laboratory-based diagnostic testing owing to economic considerations and availability of medical equipment especially in resource-limited areas. A smartphone, combined with a biosensor and other related accessories, can offer high accuracy and sensitivity for medical testing. Moreover, the ubiquity of smartphone has propelled the development considerably, and accordingly research in recent years has shown promising progress in POCT. Here, we used samples (blood, urine, sweat, saliva and tears) of liquid biopsy as the standard for classification of smartphone-based POCT devices, considering that these samples contain multiple biomarkers of serious diseases. The colorimetric, fluorescent, brightfield, and electrochemical methods were utilized to examine these samples. We performed a comprehensive review of the development of smartphone-based POCT devices over the past two years (2017-2018) and assessed their relative merits and drawbacks. Based on the progress of POCT development, it illustrates that the various technological and economical requirements are urgent and tremendous. The tendency of high-quality, low-cost smartphone-based POCT devices, feature of biosensors (paper-based sensor, flexible device, microfluidic chip, et al.) currently widely used in POCT and recommendations of future works were summarized.
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