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Nitrogen doping has been a powerful method to modulate the properties of carbon materials for various applications, and N-doped graphene quantum dots (GQDs) have gained remarkable interest because of their unique chemical, electronic, and optical properties. Herein, we introduce a facile one-pot solid-phase synthesis strategy for N-doped GQDs using citric acid (CA) as the carbon source and 3,4-dihydroxy-l-phenylalanine...
Bovine serum albumin stabilized Au nanoclusters (BSA–AuNCs) were demonstrated as a novel fluorescence probe for sensitive and selective detection of free chlorine in drinking water. The fluorescence of BSA–AuNCs was found to be quenched effectively by the free chlorine, and the decrease in fluorescence intensity of BSA–AuNCs allowed the sensitive detection of free chlorine in the range of 0.8–800μM...
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