A label-free multicolor colorimetric and fluorescence dual mode biosensing of HIV-1 DNA based on the bifunctional NiFe2O4@ UiO-66 nanozyme

SM Khoshfetrat, K Fasihi, F Moradnia, HK Zaidan… - Analytica Chimica …, 2023 - Elsevier
Highlights•A label-free multicolor colorimetric and fluorescence dual mode biosensing were
applied for HIV-DNA detection.•Determination of HIV-1 DNA was achieved by catalyzing and …

Sensitive detection of HIV gene by coupling exonuclease III-assisted target recycling and guanine nanowire amplification

YL Huang, ZF Gao, HQ Luo, NB Li - Sensors and Actuators B: Chemical, 2017 - Elsevier
In this work, a simple, label-free electrochemical biosensor was constructed with the
combination of exonuclease III (Exo III)-assisted target recycling and guanine nanowire …

Exonuclease III-aided autocatalytic DNA biosensing platform for immobilization-free and ultrasensitive electrochemical detection of nucleic acid and protein

S Liu, Y Lin, L Wang, T Liu, C Cheng, W Wei… - Analytical …, 2014 - ACS Publications
Homogenous electrochemical biosensor has attracted substantial attention owing to its
simplicity, rapid response, and improved recognition efficiency compared with …

Electrochemiluminescence detection of miRNA-21 based on dual signal amplification strategies: duplex-specific nuclease-mediated target recycle and nicking …

MY Wang, WJ Jing, LJ Wang, LP Jia, RN Ma… - Biosensors and …, 2023 - Elsevier
DNA nanomachines have shown potential application in the construction of various
biosensors. Here, an electrochemiluminescence biosensor for the sensitive detection of …

Electrochemical detection of miRNA combining T7 exonuclease-assisted cascade signal amplification and DNA-templated copper nanoparticles

P Miao, T Zhang, J Xu, Y Tang - Analytical chemistry, 2018 - ACS Publications
miRNA has been serving as an ideal biomarker for diagnosis, prognosis, and therapy of
many severe diseases. In this study, we have developed an amplified electrochemical …

An enzyme-free electrochemical biosensor based on target-catalytic hairpin assembly and Pd@ UiO-66 for the ultrasensitive detection of microRNA-21

T Meng, N Shang, A Nsabimana, H Ye, H Wang… - Analytica Chimica …, 2020 - Elsevier
Abstract MicroRNA-21 (miR-21) has been widely investigated as important biomarkers for
cancer diagnosis and treatment. Herein, a highly sensitive nonenzymatic electrochemical …

Electrochemiluminescence biosensor based on 3-D DNA nanomachine signal probe powered by protein-aptamer binding complex for ultrasensitive mucin 1 detection

X Jiang, H Wang, H Wang, Y Zhuo, R Yuan… - Analytical …, 2017 - ACS Publications
Herein, we fabricated a novel electrochemiluminescence (ECL) biosensor for ultrasensitive
detection of mucin 1 (MUC1) based on a three-dimensional (3-D) DNA nanomachine signal …

Nanozyme-based bio-barcode assay for high sensitive and logic-controlled specific detection of multiple DNAs

X Lin, Y Liu, Z Tao, J Gao, J Deng, J Yin… - Biosensors and …, 2017 - Elsevier
Since HCV and HIV share a common transmission path, high sensitive detection of HIV and
HCV gene is of significant importance to improve diagnosis accuracy and cure rate at early …

Dual amplification ratiometric biosensor based on a DNA tetrahedron nanostructure and hybridization chain reaction for the ultrasensitive detection of microRNA-133a

L Zhu, J Ye, S Wang, M Yan, Q Zhu, J Huang… - Chemical …, 2019 - pubs.rsc.org
A novel ratiometric electrochemiluminescence (ECL)–electrochemical (EC) hybrid biosensor
with a high accuracy and reproducibility was fabricated for the ultrasensitive detection of …

Ultra-sensitive detection of 5-fluorouracil by flow injection chemiluminescence immunoassay based on Fenton-like effect of single atom Co nanozyme

J Li, Y Li, K Wu, A Deng, J Li - Talanta, 2023 - Elsevier
Single atom nanozymes (SAzymes) are considered as the most hopeful candidates for
replacing natural enzymes. In this work, a flow-injection chemiluminescent immunoassay (FI …