Preparation method of porous silicon graphene quantum dot composite drug-loaded particles, wound dressing, preparation method and application of wound dressing
A graphene quantum dot and wound dressing technology, applied in the field of new medical materials, can solve problems such as short half-life and unstable polypeptide drugs, and achieve the effects of reduced wound area, good synergistic promotion, and high-efficiency loading
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[0047] The present invention will be specifically introduced below in conjunction with the accompanying drawings and specific embodiments.
[0048] A porous silicon / graphene quantum dot composite drug-loaded particle is manufactured according to the following steps, the process includes: preparing a porous silicon / graphene quantum dot composite particle, and then preparing a porous silicon / graphene quantum dot composite drug-loaded particle.
[0049] First, the preparation process of porous silicon / graphene quantum dot composite particles is as follows:
[0050] (1) After surface washing and pretreatment of single crystal silicon wafers, electrochemical etching, electrochemical stripping, and weak oxidation activation are performed to obtain porous silicon particles with fluorescent properties;
[0051] The specific process of electrochemical etching is as follows: the P-type boron-doped silicon wafer is fixed in the electrolytic cell as a single crystal silicon wafer, the ele...
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