Recent advances in heteroatom-doped graphene quantum dots for sensing applications

N Sohal, B Maity, S Basu - RSC advances, 2021 - pubs.rsc.org
Graphene quantum dots (GQDs) are carbon-based fluorescent nanomaterials having
various applications due to attractive properties. But the low photoluminescence (PL) yield …

Fluorescent carbon quantum dots—synthesis, functionalization and sensing application in food analysis

M Pan, X **e, K Liu, J Yang, L Hong, S Wang - Nanomaterials, 2020 - mdpi.com
Carbon quantum dots (CQDs) with stable physicochemical properties are one of the
emerging carbon nanomaterials that have been studied in recent years. In addition to the …

Bifunctional nanoprobe for dual-mode detection based on blue emissive iron and nitrogen co-doped carbon dots as a peroxidase-mimic platform

YS Alqahtani, AM Mahmoud, MM El-Wekil - Talanta, 2023 - Elsevier
In this study, iron and nitrogen co-doped carbon dots (Fe/N@ C-dots) were fabricated via
one pot hydrothermal method. The as-synthesized Fe/N@ C-dots exhibited unique …

Construction of MIP/Bi2S3 nanoparticles/rGO nanoprobe for simultaneous electrochemical determination of amoxicillin and clavulanic acid

R Ali, MM El-Wekil - Journal of Alloys and Compounds, 2023 - Elsevier
Herein, a dual-template electrochemical sensor was developed for simultaneous
determination of electro-active drug eg amoxicillin (AMOX) and electro-inactive drug eg …

Double-signal quantification of amoxicillin based on interaction with 4-aminoantipyrine at copper and nitrogen co-doped carbon quantum dots as an artificial …

AM Mahmoud, MM El-Wekil, R Ali, HA Batakoushy… - Microchimica Acta, 2022 - Springer
An one-pot hydrothermal method was developed for synthesis of carbon quantum dots co-
doped with copper and nitrogen (Cu, N@ CQDs). The synthesized Cu, N@ CQDs has …

Nitrogen and sulfur co-doped graphene quantum dot-modified electrode for monitoring of multivitamins in energy drinks

EC Martins, ER Santana, A Spinelli - Talanta, 2023 - Elsevier
A glassy carbon electrode was modified with nitrogen and sulfur co-doped graphene
quantum dots immobilized in chitosan for the monitoring of multivitamins. The graphene …

Dual-recognition molecularly imprinted aptasensor based on gold nanoparticles decorated carboxylated carbon nanotubes for highly selective and sensitive …

AM Mahmoud, SA Alkahtani, BA Alyami… - Analytica Chimica Acta, 2020 - Elsevier
In this study, an electrochemical aptamer based sensor (aptasensor) was proposed for
specific recognition of histamine (HIS). The electrochemical aptasensor based on fabrication …

Bifunctional ratiometric sensor based on highly fluorescent nitrogen and sulfur biomass-derived carbon nanodots fabricated from manufactured dairy product as a …

RMK Mohamed, SH Mohamed, AM Asran… - … Acta Part A: Molecular …, 2023 - Elsevier
Novel biomass-derived carbon dots co-doped with nitrogen and sulfur were fabricated
through facile and simple synthetic method from manufactured milk powder and methionine …

Retracted Article: Fabrication of novel quantum dots for the estimation of COVID-19 antiviral drug using green chemistry: application to real human plasma

BI Salman, AE Ibrahim, S El Deeb, RE Saraya - RSC advances, 2022 - pubs.rsc.org
The COVID-19 pandemic has encouraged the search for novel antiviral medications.
Recently, molnupiravir (MOL) has been approved as an oral antiviral to manage COVID-19 …

Ratiometric fluorometric determination of sulfide using graphene quantum dots and self-assembled thiolate-capped gold nanoclusters triggered by aluminum

BA Alyami, AM Mahmoud, AO Alqarni, AMBH Ali… - Microchimica Acta, 2023 - Springer
A ratiometric-based fluorescence emission system was proposed for the determination of
sulfide. It consists of blue emissive graphene quantum dots (GQDs) and self-assembled …