A review on graphene-based nanocomposites for electrochemical and fluorescent biosensors

SK Krishnan, E Singh, P Singh, M Meyyappan… - RSC …, 2019 - pubs.rsc.org
Biosensors with high sensitivity, selectivity and a low limit of detection, reaching
nano/picomolar concentrations of biomolecules, are important to the medical sciences and …

Progress in utilisation of graphene for electrochemical biosensors

AT Lawal - Biosensors and Bioelectronics, 2018 - Elsevier
This review discusses recent graphene (GR) electrochemical biosensor for accurate
detection of biomolecules, including glucose, hydrogen peroxide, dopamine, ascorbic acid …

Carbon nanodots in electrochemical sensors and biosensors: A review

Z Hassanvand, F Jalali, M Nazari… - …, 2021 - Wiley Online Library
This Review presents the latest advances in designing electrochemical sensors by using
carbon nanodots (CNDs), carbon dots (CDs), and graphene quantum dots (GQDs), as a new …

A novel optical fiber glucose biosensor based on carbon quantum dots-glucose oxidase/cellulose acetate complex sensitive film

S Yu, L Ding, H Lin, W Wu, J Huang - Biosensors and Bioelectronics, 2019 - Elsevier
A novel optical fiber glucose biosensor based on fluorescent carbon quantum dots (CQDs)-
glucose oxidase (GOD)/cellulose acetate (CA) complex sensitive film was fabricated, in …

Carbon nanotubes, graphene, and carbon dots as electrochemical biosensing composites

RR Pandey, CC Chusuei - Molecules, 2021 - mdpi.com
Carbon nanomaterials (CNMs) have been extensively used as electrochemical sensing
composites due to their interesting chemical, electronic, and mechanical properties giving …

Dual metal ion (Fe3+ and As3+) sensing and cell bioimaging using fluorescent carbon quantum dots synthesised from Cynodon dactylon

S Gurung, N Arun, M Joshi, T Jaiswal, AP Pathak… - Chemosphere, 2023 - Elsevier
In this study, water dispersible fluorescent carbon quantum dot (CQD) has been
synthesised, having an average size of 8.6±0.4 nm using Cynodon dactylon (CD) following …

Three-dimensional nitrogen-doped graphene as an ultrasensitive electrochemical sensor for the detection of dopamine

X Feng, Y Zhang, J Zhou, Y Li, S Chen, L Zhang, Y Ma… - Nanoscale, 2015 - pubs.rsc.org
Three-dimensional nitrogen-doped graphene (3D N-doped graphene) was prepared
through chemical vapor deposition (CVD) by using porous nickel foam as a substrate. As a …

One-step synthesis of N-doped graphene quantum dots from chitosan as a sole precursor using chemical vapor deposition

S Kumar, SKT Aziz, O Girshevitz… - The Journal of Physical …, 2018 - ACS Publications
We present a simple, environment-friendly, and fast synthesis of nitrogen-doped graphene
quantum dots (N-GQDs) on copper foil by chemical vapor deposition using exclusively …

A carbon dot-based fluorescence turn-on sensor for hydrogen peroxide with a photo-induced electron transfer mechanism

M Lan, Y Di, X Zhu, TW Ng, J Xia, W Liu… - Chemical …, 2015 - pubs.rsc.org
A carbon dot-based fluorescence turn-on sensor for hydrogen peroxide (H2O2) with a photo-
induced electron transfer mechanism was developed. The sensor exhibits good selectivity …

Microwave bottom-up route for size-tunable and switchable photoluminescent graphene quantum dots using acetylacetone: New platform for enzyme-free detection of …

S Umrao, MH Jang, JH Oh, G Kim, S Sahoo, YH Cho… - Carbon, 2015 - Elsevier
We report a microwave sequential bottom-up route to produce green and blue luminescent
graphene quantum dots (g-GQDs and b-GQDs) with size-tunable and switchable …