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CdTe quantum dots (QDs) capped with different stabilizers, i.e. thioglycolic acid (TGA), 3‐mercaptopropionic acid (MPA) and glutathione (GSH) were investigated as fluorescent probes for the determination of Cu2+. The stabilizer was shown to play an important role in both the sensitivity and selectivity for the determination of Cu2+. TGA‐capped CdTe QDs showed the highest sensitivity, followed by the...
This manuscript presents a robust strategy for selective Pb(II) sensing based on a fluorescence turn‐off mechanism using ZnS quantum dots (QDs) biosynthesized using Aspergillus sp. The biogenic nanoprobe displayed marked sensing efficiency in the presence of Pb ions over concentration ranges from 5 to 100 μM with limits of detection of around 2.45 μM. Performance optimization studies revealed that...
In this study, an environmentally sustainable fluorimetric method for determination of Vonoprazan fumarate (VON) in dosage forms using nanoprobes consisting of nitrogen and sulfur co‐doped carbon quantum dots (N, S‐CQDs). The N, S‐CQDs were prepared through a microwave‐assisted method in 30 s. The resulting N, S‐CQDs were characterized using transmission electron microscopy (TEM), high‐resolution...
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