Biomass derived green carbon dots for sensing applications of effective detection of metallic contaminants in the environment

S Bosu, N Rajamohan, S Sagadevan, N Raut - Chemosphere, 2023 - Elsevier
The rapid consumption of metals and unorganized disposal have led to unprecedented
increases in heavy metal ion concentrations in the ecosystem, which disrupts environmental …

Selective detection of rutin at novel pyridinic-nitrogen-rich carbon dots derived from chicken feet biowaste: The role of bovine serum albumin during the assay

SA Alkahtani, AM Mahmoud, YS Alqahtani… - … Acta Part A: Molecular …, 2023 - Elsevier
A simple fluorescence method is described for measuring rutin dependent on the nitogen-
doped carbon dots (NCDs) prepared via simple pyrolysis method from chicken feet …

An overview on animal/human biomass-derived carbon dots for optical sensing and bioimaging applications

P Dubey - RSC advances, 2023 - pubs.rsc.org
Over the past decade, carbon dots (CDs) have emerged as some of the extremely popular
carbon nanostructures for diverse applications. The advantages of sustainable CDs …

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 …

A reliable ratiometric fluorescence sensing of heparin and its antidote based on cationic carbon quantum dots and acid red 87

K Alhazzani, AZ Alanazi, AM Alaseem… - Microchemical …, 2023 - Elsevier
A reliable, selective, and sensitive ratiometric fluorescence sensor was fabricated for the
detection of protamine (PROT) and heparin (HEPR). It is based on a rational combination of …

Facile fabrication of boron and nitrogen co-doped carbon dots for “ON–OFF–ON” fluorescence sensing of Al 3+ and F− ions in water samples

YS Alqahtani, AM Mahmoud, MH Mahnashi, R Ali… - RSC …, 2023 - pubs.rsc.org
Water contamination with harmful ions has grown to be a significant environmental issue on
a global scale. Therefore, the fabrication of simple, cost-effective, and reliable sensors is …

Ratiometric fluorescence sensing of hazardous ciprofloxacin based on aggregation induced emission enhancement of thiolate-protected gold nanoclusters induced …

AM Mahmoud, MH Mahnashi, MM El-Wekil - Spectrochimica Acta Part A …, 2024 - Elsevier
In this research work, ultrasensitive and reliable ratiometric sensor was designed for assay
of ciprofloxacin (CIPRO). The platform consists of thiolate-protected gold nanoclusters …

Intrinsic self-calibration electrostatic-controlled ratiometric fluorescence assay of histamine in human serum and canned tuna fish samples

BA Alyami, AM Mahmoud, AO Alqarni… - Microchemical Journal, 2023 - Elsevier
Bimetallic nanoclusters protected by proteins have gained significant attention in the
sensing field due to their aggregation-induced emission (AIE) property. However, their …

Convenient electrochemical and fluorometric dual-mode estimation of diosmin using carbon dots doped with nitrogen derived from chicken feet biowaste

AM Mahmoud, SS Abu-Alrub, AO Alqarni… - Microchemical …, 2023 - Elsevier
Herein, new carbon dots doped with nitrogen (NC-dots) were fabricated from chicken feet
bio-waste via facile pyrolysis method. It was utilized to determine diosmin (DIS) …

Double protein directed synthesis of chemically etched sulfur doped quantum dots for signal “on–off–on” sensing of glutathione mediated by copper ions

AM Mahmoud, MH Mahnashi, MM El-Wekil - Analytical Methods, 2023 - pubs.rsc.org
In this study, a novel “on–off–on” fluorescent probe was suggested for sensitive and
selective assay of glutathione (GSH). The as-fabricated nanoswitch employs a Cu2+–sulfur …