Application of transdermal peptide modified pueraria thomsonii exosome nano preparation in preparation of anti-skin aging products
An anti-skin aging and nano-preparation technology, applied in the field of medicine, can solve problems such as articles and research results that have not been seen comprehensively, and achieve the effects of simple, efficient and convenient cosmetics, inhibiting skin aging, and fast and convenient production.
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[0026] The present invention will be further described below in conjunction with embodiment.
[0027] 1. Material method
[0028] 1.1 Reagent DMEM low-sugar medium (Gibco BRL, U.S.); fetal bovine serum (FBS, Gibco BRL, U.S.); 0.25wt.% trypsin (containing 0.02wt.% EDTA, Gibco BRL, U.S.); penicillin-streptomycin DNA solution (Gibco BRL, USA); Cell Counting Kit-8 (Shanghai Beyond Biotechnology Co., Ltd., China); Cell Senescence β-Galactosidase Staining Kit (Shanghai Beyotime Biotechnology Co., Ltd., China); real-time Fluorescent quantitative PCR telomerase detection kit (rat) (Jiangsu KGI Biotechnology Co., Ltd., China); Trizol total RNA extraction reagent (Jiangsu KGI Biotechnology Co., Ltd., China);
[0029] 1.2 Instruments electronic balance (AL204, Mettler Toledo, Switzerland); carbon dioxide cell incubator (HF90, Health Force, China); biological safety cabinet (Type A2, Beijing Donglian Hall Instrument Manufacturing Co., Ltd., China); ultrapure water instrument (Milli-Q, M...
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