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Применить Всего найдено 2. Отображено 2.
27-06-2023 дата публикации

Preparation method of nanoparticles and preparation method of drug-loaded nanoparticles

Номер: CN116327708A
Автор: WANG JIANXIN, HE SIYUAN, BAI JIAFAN, ZHAO YUANCONG, WENG JIE, QU SHUXIN, LU XIONG
Принадлежит:

The invention discloses a preparation method of nano-particles and a preparation method of nano-drug-loaded particles, wherein the process is simple and controllable, and polyglutamic acid and tannic acid can be compounded into the nano-particles. The preparation method of the nano-particles for drug loading comprises the following steps: obtaining a first solution which comprises polyglutamic acid, tannic acid, water and N, N-dimethylformamide; obtaining a second solution, wherein the second solution comprises a carboxyl catalyst and water; and adding the second solution into the first solution, reacting for a period of time to generate a solid-liquid mixture, and carrying out solid-liquid separation treatment to obtain the nanoparticles. The preparation method of the nano drug-loaded particles comprises the following steps: adding the drug into the first solution or the second solution in the preparation method; in the generation process of the nano-particles, the drug is loaded on the ...

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Номер записи: 1
07-07-2023 дата публикации

Preparation method of fluorescent carbon dots, antibacterial material and method for inhibiting gram bacteria

Номер: CN116395672A
Автор: WANG JIANXIN, ZHANG HANGZHEN, BAI JIAFAN, WENG JIE, ZHAO YUANCONG, ZHOU SHAOBING, LU XIONG, QU SHUXIN
Принадлежит:

The invention discloses a preparation method of fluorescent carbon dots, an antibacterial material and a method for inhibiting gram bacteria, and solves the technical problems of tedious preparation process, low stability, high cost, high toxicity and poor antibacterial property of an antibacterial material in the prior art. The preparation method of the fluorescent carbon dots comprises the following steps: carrying out hydrothermal reaction on an aqueous solution containing tannic acid and thioacetamide to generate a solid-liquid mixture containing the fluorescent carbon dots. The antibacterial material comprises the fluorescent carbon dots prepared by the preparation method. The method for inhibiting gram bacteria comprises the following steps: obtaining the fluorescent carbon dots prepared by the preparation method or the antibacterial material; the fluorescent carbon dots are added into a bacterial liquid needing to inhibit gram bacteria.

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Номер записи: 2