نتایج جستجو برای: ph sensitive drug delivery system
تعداد نتایج: 3189822 فیلتر نتایج به سال:
Hydrogels, due to their unique potentials such as high-water content and hydrophilicity are interest for the controlled release of drug molecules. The present study aims to create a controlled-release system through the preparation and characterization of hydrogels based on pH-sensitive polymers such as poly (acrylic acid). Poly (acrylic acid), p(AA), hydrogel has been synthesized by radical po...
The aim of the present study was to prepare valdecoxib, a cyclo-oxygenase-2 enzyme inhibitor, as a loaded multiparticulate system to achieve site-specific drug delivery to colorectal tumors. Film coating was done with the pH-sensitive polymer Eudragit S100 and sodium alginate was used as mucoadhesive polymer in the core. The microspheres were characterized by X-ray diffraction, differential sca...
BACKGROUND Glucagon-like peptide-1 (GLP-1) (7-36) is a peptide incretin hormone released from the endocrine L-cells of the intestinal mucosa with unique antidiabetic potential. Due to low absorption efficiency and instability in the gastrointestinal tract, the introduction of orally active GLP-1 is a large challenge. Here we developed a novel silica-based pH-sensitive nanomatrix of GLP-1 (SPN-G...
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