Amplification-free CRISPR/Cas detection technology: challenges, strategies, and perspectives

H Li, Y Xie, F Chen, H Bai, L Xiu, X Zhou… - Chemical Society …, 2023 - pubs.rsc.org
Rapid and accurate molecular diagnosis is a prerequisite for precision medicine, food
safety, and environmental monitoring. The clustered regularly interspaced short palindromic …

Signal Amplification by the trans-Cleavage Activity of CRISPR-Cas Systems: Kinetics and Performance

W Feng, H Zhang, XC Le - Analytical Chemistry, 2023 - ACS Publications
Nucleic acid cleavage processes contribute to target and signal amplification, which is
critical for the development of highly sensitive assays. 1, 2 Exonucleases or endonucleases …

An Integrated amplification-free digital CRISPR/Cas-assisted assay for single molecule detection of RNA

D Wang, X Wang, F Ye, J Zou, J Qu, X Jiang - ACS nano, 2023 - ACS Publications
Conventional nucleic acid detection technologies usually rely on amplification to improve
sensitivity, which has drawbacks, such as amplification bias, complicated operation, high …

Enzyme-based digital bioassay technology–key strategies and future perspectives

H Noji, Y Minagawa, H Ueno - Lab on a Chip, 2022 - pubs.rsc.org
Digital bioassays based on single-molecule enzyme reactions represent a new class of
bioanalytical methods that enable the highly sensitive detection of biomolecules in a …

CRISPR/Cas-powered amplification-free detection of nucleic acids: current state of the art, challenges, and futuristic perspectives

Y Li, Y Liu, X Tang, J Qiao, J Kou, S Man, L Zhu… - ACS …, 2023 - ACS Publications
CRISPR/Cas system is becoming an increasingly influential technology that has been
repositioned in nucleic acid detection. A preamplification step is usually required to improve …

STAMP-based digital CRISPR-Cas13a for amplification-free quantification of HIV-1 plasma viral loads

R Nouri, Y Jiang, AJ Politza, T Liu, WH Greene, Y Zhu… - ACS …, 2023 - ACS Publications
Quantification of HIV RNA in plasma is critical for identifying the disease progression and
monitoring the effectiveness of antiretroviral therapy. While RT-qPCR has been the gold …

CRISPR-Cas13a system: A novel tool for molecular diagnostics

L Zhao, M Qiu, X Li, J Yang, J Li - Frontiers in Microbiology, 2022 - frontiersin.org
The clustered regularly interspaced short palindromic repeats (CRISPR) system is a natural
adaptive immune system of prokaryotes. The CRISPR-Cas system is currently divided into …

CRISPR techniques and potential for the detection and discrimination of SARS-CoV-2 variants of concern

H Xiao, J Hu, C Huang, W Feng, Y Liu… - TrAC Trends in …, 2023 - Elsevier
The continuing evolution of the SARS-CoV-2 virus has led to the emergence of many
variants, including variants of concern (VOCs). CRISPR-Cas systems have been used to …

A critical review of microfluidic systems for CRISPR assays

AS Avaro, JG Santiago - Lab on a Chip, 2023 - pubs.rsc.org
Reviewed are nucleic acid detection assays that incorporate clustered regularly interspaced
short palindromic repeats (CRISPR)-based diagnostics and microfluidic devices and …

Digital CRISPR systems for the next generation of nucleic acid quantification

AJ Politza, R Nouri, W Guan - TrAC Trends in Analytical Chemistry, 2023 - Elsevier
Digital CRISPR (dCRISPR) assays are an emerging platform of molecular diagnostics.
Digital platforms introduce absolute quantification and increased sensitivity to bulk CRISPR …