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Biodegradable polymer nanocapsules containing a sunscreen agent: preparation and photoprotection.
TLDR
The influence of polysorbate 85 and poloxamer 188 as stabilizing agents, the OMC loading capacity and the photoprotective potential of the formulations, and in vitro release of OMC-nanocapsules provided partial protection against UV-induced erythema, in a manner significantly better than a conventional gel. Expand
Microencapsulation of erythromycin and clarithromycin using a spray-drying technique.
TLDR
Data show that microencapsulation of macrolides using a spray-drying technique is feasible, and might be useful in the formulation of palatable oral suspensions of bitter tasting drugs. Expand
Catalysts that use procedures and processes for preparing them.
The present invention concerns a catalyst comprising a carrier of refractory oxide and catalytically active metals, between 2 and 15% by weight of platinum and / or palladium, between 5 and 40% byExpand
Process for the production of hydrocarbons from synthesis gas
PROCEDE POUR LA PRODUCTION D'HYDROCARBURES A PARTIR DE GAZ DE SYNTHESE. LE GAZ EST PASSE A TEMPERATURE ET PRESSION ELEVEES SUR UN CATALYSEUR CONSISTANT EN OXYDE DE THORIUM ET OXYDE DE ZINC ACTIVE PARExpand