Tetrahedral DNA nanostructures enhance transcription isothermal amplification for multiplex detection of non-coding RNAs

ES Lee, J Woo, J Shin, BS Cha, S Kim… - Biosensors and …, 2024 - Elsevier
This study introduces an innovative detection system for multiple cancer biomarkers,
employing transcription isothermal amplification methods in conjunction with a tetrahedral …

Primer exchange reaction-coupled transcription isothermal amplification as a sensitive biomolecular assay

J Son, SH Kim, BS Cha, ES Lee, S Kim… - Chemical …, 2024 - pubs.rsc.org
We devised a novel strategy that relies on a combination of the primer exchange reaction
(PER) with transcription isothermal amplification, termed PER-Trap, for a sensitive …

High-precision colorimetric-fluorescent dual-mode biosensor for detecting acetylcholinesterase based on a trimetallic nanozyme for efficient peroxidase-mimicking

M Zheng, M Liu, Z Song, F Ma, H Zhu, H Guo… - Journal of Materials …, 2024 - Elsevier
Highly sensitive and stable acetylcholinesterase detection is critical for diagnosing and
treating various neurotransmission-related diseases. In this study, a novel colorimetric …

Split T7 switch-mediated cell-free protein synthesis system for detecting target nucleic acids

D Kim, J Kim, J Han, J Shin, K Park - Biosensors and Bioelectronics, 2024 - Elsevier
Cell-free protein synthesis (CFPS) reactions can be used to detect nucleic acids. However,
most CFPS systems rely on a toehold switch and exhibit the following critical limitations:(i) off …

Engineering Gene-Specific DNAzymes for Accessible and Multiplexed Nucleic Acid Testing

L Gao, K Yi, Y Tan, C Guo, D Zheng, C Shen, F Li - JACS Au, 2024 - ACS Publications
The accurate and timely detection of disease biomarkers at the point-of-care is essential to
ensuring effective treatment and epidemiological surveillance. Here, we report the selection …

Aptamer-Based Switching System for Communication of Non-Interacting Proteins

Y Kim, D Nam, ES Lee, S Kim, BS Cha, KS Park - Biosensors, 2024 - mdpi.com
Biological macromolecules, such as DNA, RNA, and proteins in living organisms, form an
intricate network that plays a key role in many biological processes. Many attempts have …

Target-switched artificial biochemical circuit for a versatile and sensitive colorimetric detection platform

X Meng, H Gu, X Yin, H Yi, Y Chen - Chemical Communications, 2023 - pubs.rsc.org
The presence of the target causes the structural switch of a metastable hairpin template
probe (MH) for triggering a self-primed artificial biochemical circuit to produce numerous …

A novel specific fluorescent biosensor for detection of foodborne pathogens based on split crRNA of CRISPR/Cas12a

Q Duan, S Bu, H Li, Y Yang, N Pei, Z Hao, Q Wang… - Microchemical …, 2024 - Elsevier
A novel CRISPR/Cas12a biosensor for specific detection of pathogenic bacteria was
constructed based on target nucleic acid (NA) inducing transcription-unleashed split crRNA …

Fluorogenic RNA Aptamer‐Based Amplification and Transcription Strategy for Label‐free Sensing of Methyltransferase Activity in Complex Matrixes

Y Gu, C Fan, H Yang, H Sun, X Wang, X Qiu… - Advanced …, 2024 - Wiley Online Library
DNA methyltransferase is significant in cellular activities and gene expression, and its
aberrant expression is closely linked to various cancers during initiation and progression …