Stanley Sylvester Toporek

TL;DR: Direct observation of the Bronsted acid site signal in an active zeolite catalyst following adsorption of stoichiometric quantities of isobutane reveals the presence of a specific Adsorption complex, proposed as a route to C-H bond activation in solid acids. (via Semantic Scholar)

author keywords: hydrogel; microsphere; controlled drug release; biocompatibility

MeSH headings : Biocompatible Materials / chemistry; Chromatography, High Pressure Liquid; Coated Materials, Biocompatible / chemistry; Dexamethasone / chemistry; Drug Carriers; Drug Delivery Systems; Enzyme-Linked Immunosorbent Assay; Glucocorticoids / chemistry; Hydrogel, Polyethylene Glycol Dimethacrylate; Hydrogels / chemistry; Image Processing, Computer-Assisted; In Vitro Techniques; Kinetics; Lactic Acid / chemistry; Magnetic Resonance Spectroscopy; Materials Testing; Microscopy, Electron, Scanning; Microscopy, Fluorescence; Microspheres; Models, Chemical; Polyglycolic Acid / chemistry; Polylactic Acid-Polyglycolic Acid Copolymer; Polymers / chemistry; Rhodamines / pharmacology; Spectroscopy, Fourier Transform Infrared; Surface Properties; Time Factors; Vascular Endothelial Growth Factor A / chemistry; Vascular Endothelial Growth Factor A / metabolism

TL;DR: Overall, monolithic, non-degradable hydrogel drug release had an initial burst followed by release at a significantly lower amount, and microsphere drug release kinetics exhibited an initial Burst followed by sustained release for 1 month. (via Semantic Scholar)