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PREPARATION METHOD FOR NEAR-INFRARED SILVER SULFIDE QUANTUM DOTS
PREPARATION METHOD FOR NEAR-INFRARED SILVER SULFIDE QUANTUM DOTS
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机译:近红外硫化银量子点的制备方法
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摘要
Provided are near-infrared silver sulfide quantum dots, a preparation method thereof and a biological application thereof. The silver sulfide quantum dots have hydrophilic groups derived from a mercapto-containing hydrophilic reagent attached on the surface thereof, and the hydrophilic reagent is any one of mercaptoacetic acid, mercaptopropionic acid, cysteine, cysteamine, thioctic acid and ammonium mercaptoacetate or any combination thereof. The silver sulfide quantum dots have high fluorescence yield, good fluorescence stability, good biocompatibility and uniform sizes. The preparation method has moderate reaction conditions, simple operation, short production cycle, good reproducibility and is easy to control. The silver sulfide quantum dots can be used in the application of cellular imaging and biological tissue imaging.
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