Issue 10, 2021

Nucleic acid amplification-based microfluidic approaches for antimicrobial susceptibility testing

Abstract

Because of the global spread of antimicrobials, there is an urgent need to develop rapid and effective tools for antimicrobial susceptibility testing to help clinicians prescribe accurate and appropriate antibiotic doses sooner. The conventional methods for antimicrobial susceptibility testing are usually based on bacterial culture methods, which are time-consuming, complicated, and labor-intensive. Therefore, other approaches are needed to address these issues. Recently, microfluidic technology has gained significant attention in infection management due to its advantages including rapid detection, high sensitivity and specificity, highly automated assay, simplicity, low cost, and potential for point-of-care testing in low-resource areas. Microfluidic advances for antimicrobial susceptibility testing can be classified into phenotypic (usually culture-based) and genotypic tests. Genotypic antimicrobial susceptibility testing is the detection of resistant genes in a microorganism using methods such as nucleic acid amplification. This review (with 107 references) surveys the different forms of nucleic acid amplification-based microdevices used for genotypic antimicrobial susceptibility testing. The first section reviews the serious threat of antimicrobial-resistant microorganisms and the urgent need for fast check-ups. Next, several conventional antimicrobial susceptibility testing methods are discussed, and microfluidic technology as a promising candidate for rapid detection of antimicrobial-resistant microorganisms is briefly introduced. The next section highlights several advancements of microdevices, with an emphasis on their working principles and performance. The review concludes with the importance of fully integrated microdevices and a discussion on future perspectives.

Graphical abstract: Nucleic acid amplification-based microfluidic approaches for antimicrobial susceptibility testing

Article information

Article type
Tutorial Review
Submitted
28 Jan. 2021
Accepted
21 Mrt. 2021
First published
23 Mrt. 2021

Analyst, 2021,146, 3101-3113

Nucleic acid amplification-based microfluidic approaches for antimicrobial susceptibility testing

T. N. D. Trinh and N. Y. Lee, Analyst, 2021, 146, 3101 DOI: 10.1039/D1AN00180A

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