Two-dimensional material-based colorimetric biosensors: A review

D Zhu, B Liu, G Wei - Biosensors, 2021 - mdpi.com
Two-dimensional (2D) materials such as graphene, graphene oxide, transition metal oxide,
MXene and others have shown high potential for the design and fabrication of various …

Advances and trends in chemically doped graphene

S Ullah, Q Shi, J Zhou, X Yang, HQ Ta… - Advanced Materials …, 2020 - Wiley Online Library
Chemically doped graphene materials are fascinating because these have different
desirable attributes with possible synergy. The inert and gapless nature of graphene can be …

Biomimetic graphene-supported ultrafine platinum nanowires for colorimetric and electrochemical detection of hydrogen peroxide

D Zhu, P He, H Kong, G Yang, X Luan… - Journal of Materials …, 2022 - pubs.rsc.org
The detection of hydrogen peroxide (H2O2) is of great significance in environmental
monitoring, enzymatic reactions, and disease diagnosis. Here we present the peptide …

Electrochemically enhanced peroxidase-like activity of nanohybrids for rapid and sensitive detection of H2O2 and Dopamine

M Sherazee, SR Ahmed, P Das, S Srinivasan… - Colloids and Surfaces A …, 2023 - Elsevier
Longer detection times and low sensitivities are the two main drawbacks of applying
colorimetric detection methods in field applications where rapid and sensitive detection is …

Colorimetric two-dimensional photonic crystal biosensors for label-free detection of hydrogen peroxide

R Liu, Z Cai, Q Zhang, H Yuan, G Zhang - Sensors and Actuators B …, 2022 - Elsevier
Abstract Hydrogen peroxide (H 2 O 2) detection is highly desirable for both environment and
health concerns and a number of methods have been developed to monitor H 2 O 2 …

Highly sensitive and low-cost colourimetric detection of glucose and ascorbic acid based on silver nanozyme biosynthesized by Gleditsia australis fruit

VD Doan, VC Nguyen, AT Nguyen… - Spectrochimica Acta Part …, 2022 - Elsevier
In this study, a simple, eco-friendly and low-cost approach was used to fabricate silver
nanoparticles (AgNPs) from an aqueous extract of Gleditsia australis (GA) fruit. The …

A bimetallic Co/Mn metal–organic-framework with a synergistic catalytic effect as peroxidase for the colorimetric detection of H 2 O 2

X Qi, H Tian, X Dang, Y Fan, Y Zhang, H Zhao - Analytical Methods, 2019 - pubs.rsc.org
Metal–organic frameworks (MOFs) with a metal coordination structure mimicking that of
enzymes have been widely applied in the sensing field for bioassays, and most of the …

Integrating peroxidase-mimicking NH2-MIL-101 (Fe) with molecular imprinting for high-performance ratiometric fluorescence sensing of domoic acid

L Wang, L Wen, S Zheng, F Tao, J Chao… - Sensors and Actuators B …, 2022 - Elsevier
Ingestion of shellfish and water containing excessive domoic acid (DA) threatens human
health tremendously, and even causes death in severe cases. Herein, we have integrated …

Advancements in 2D materials based biosensors for oxidative stress biomarkers

M Garg, A Gupta, AL Sharma… - ACS Applied Bio Materials, 2021 - ACS Publications
The imbalance in generation of reactive oxygen species and its depletion causes oxidative
stress. Because of its importance, there is a need to explore the role of oxidative stress …

Mimicking peroxidase active site microenvironment by functionalized graphene quantum dots

Q Xin, X Jia, A Nawaz, W Xie, L Li, JR Gong - Nano Research, 2020 - Springer
The development of high-efficiency peroxidase mimetics is highly desirable in view of high
cost and low stability of natural enzymes. From the perspective of mimicking active site …