Method for preparing semiconductor quantum dot fluorescent reagent for imprint display and extraction
A fluorescent reagent and semiconductor technology, which is applied in the field of preparation of high-efficiency liquid-type imprint display and extraction semiconductor quantum dot fluorescent reagents, can solve the problems of lack of liquid-type imprint display and extraction fluorescent reagents, etc., and achieves a wide and good range of practical objects. Visualization and extraction effect, effect with high fluorescence efficiency
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[0020] 1. Semiconductor CdTe / NH for imprint visualization and extraction 3 + Preparation of Quantum Dot Fluorescence Reagent
[0021] Weigh 0.9850g Cd(ClO 4 ) 2 ·6H 2 O was added to 125ml of distilled water, 0.396ml of surface modifier thioglycolic acid was added, followed by 0.2g of 1-ethyl-(3-dimethylaminopropyl)carbodiimide hydrochloride (EDC), nitrogen or argon After stirring for 10 minutes under the protection of gas, add 6ml of hydrazine hydrate to adjust the pH value of the solution to 10, and finally add 50ml of another precursor NaHTe with a concentration of 0.02mol / L, and heat under reflux and stir the reaction under the protection of nitrogen or argon. 1-96 hours, take samples at different reaction time periods to obtain nano-fluorescent quantum dots CdTe / NH with various fluorescent colors, positive surface, and good water solubility 3 + Liquid reagents for latent imprint extraction.
[0022] 2. Semiconductor CdTe / NH for imprint visualization and extraction ...
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