A AuNP nanoparticle-incorporated mesoporous silica-based nanozyme exhibited the peroxidase-like activity and was utilized for the selective colorimetric detection of dopamine.
A wide range of aromatic, aliphatic, and heterocyclic thiophenols are converted to the corresponding disulfides by a highly efficient metal free oxidation under neutral conditions.
Highly efficient photocatalytic thioacid mediated amide synthesis at room temperature using CdS nanoparticles as photocatalyst was observed under a household 30 W CFL in water. The operationally mild reaction was tolerant to a number of functional group substitutions on amine and could be scaled up to gram. This heterogeneous photocatalyst was extremely stable and could easily be recovered by simple centrifugation for at least six recycling reactions without any significant loss of catalytic performance. The possible reaction mechanism for the photocatalytic thioacid mediated amide synthesis over the CdS semiconductor has also been proposed on the basis of experimental observations.
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