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Magnetic Fe3O4@chitosan nanoparticles were prepared by a simple in situ co-precipitation method and characterized by transmission electron microscope (TEM) and Fourier transform infrared spectroscopy (FTIR). The prepared Fe3O4@chitosan nanoparticles were used for covalent immobilization of lipase from Thermomyces lanuginosus by chemical conjugation after(More)
OBJECTIVE Estrogen therapy is considered to be the most effective treatment of vaginal atrophy (VA) symptoms. This retrospective study compares rates of pharmacy refill-based treatment persistence in women treated for VA with local estrogen therapy (LET) creams versus low-dose vaginally administered tablets. METHODS Study cohort included treatment-naive(More)
In the present study, a highly stable luteinizing-hormone-releasing hormone (LHRH)-conjugated PEGylated poly(lactic-co-glycolic acid) (PLGA) nanoparticles were developed for the successful treatment of prostate cancers. We have demonstrated that a unique combination of targeted drug delivery and controlled drug release is effective against prostate cancer(More)
Gastric cancer has high morbidity and mortality in China. It is ranked first in malignant tumors of the digestive system. Its etiology and pathogenesis are still unclear, but they may be associated with a variety of factors. Genetic susceptibility genes have become a research hotspot in China. Elucidating the genetic mechanisms of gastric cancer can(More)
The prognosis and survival rate of prostate cancer are very poor. Previous studies have shown that miR-556-5p have emerged as important regulators in cancer cell biological processes. The role of miR-556-5p in prostate cancer remains unclear. In this study, expression of miR-556-5p in prostate cancer cell lines and tissues was upregulated. Result of MTT(More)
In order to improve the performance of lipase in organic solvents, a simple immobilization method was developed by adsorption of lipase onto Fe₃O₄@ SiO₂magnetic nanoparticles in organic solvent. Among the solvents tested, toluene was found to be the most effective solvent for the immobilization. A maximum immobilization yield of 97% and relative activity of(More)
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