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Title: Synthesis of copper nanoclusters from Bacopa monnieri leaves for fluorescence sensing of dichlorvos. Author: Sadhu VA, Jha S, Park TJ, Kailasa SK. Journal: Luminescence; 2023 Nov; 38(11):1872-1882. PubMed ID: 37555766. Abstract: In this work, a facile one-step green synthesis was developed for the fabrication of blue fluorescent copper nanocluster (Brahmi-CuNCs) from the extract of Bacopa monnieri (common name is Brahmi) via a microwave method. The as-prepared Brahmi-CuNCs emitted blue fluorescence at 452 nm when excited at 352 nm and showed a quantum yield of 31.32%. Brahmi-derived blue fluorescent CuNCs acted as a probe for fluorescence sensing of dichlorvos. Upon the addition of dichlorvos, the blue emission for Brahmi-CuNCs was gradually turned off, favouring establishment of a calibration graph in the range 0.5-100 μM with a detection limit of 0.23 μM. The as-synthesized Brahmi-CuNCs exhibited marked sensitivity and selectivity towards dichlorvos, favourable for assaying dichlorvos in various samples (cabbage, apple juice, and rice).[Abstract] [Full Text] [Related] [New Search]