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Mostrando ítems 141-150 de 437
Estudo e síntese de biomaterial híbrido biocompatível TiO2 / colágeno para liberação de fármaco
(Universidade Tecnológica Federal do ParanáPato BrancoBrasilDepartamento Acadêmico de QuímicaQuímicaUTFPR, 2018-11-27)
In this work, nanostructured TiO2 films were synthesized at 20 and 50 ° C in electrolytic medium containing simulated body fluid. After synthesis the films were used as matrix for the incorporation of drug and biomolecules. ...
Desenvolvimento tecnológico de polímeros naturais aplicados à indústria farmacêutica
(Universidade Tecnológica Federal do ParanáToledoBrasilPrograma de Pós-Graduação em Processos Químicos e BiotecnológicosUTFPR, 2017-05-02)
The release of drugs at the colon shows itself as a therapeutic alternative for pathologies that affect this organ, to the absorption of peptidics drugs and proteins and in chronopharmacotherapy. The systems intended to ...
Astaxanthin delivery systems for skin application
(Universidade Federal do Rio Grande do NorteBrasilUFRNFarmácia, 2020-06-18)
Astaxanthin (AST) is a biomolecule known for its powerful antioxidant effect, which is considered of great importance in biochemical research and has great potential for application in cosmetics, food products beneficial ...
An insecticide formulation of terpene ketones against Sitophilus zeamais and its incorporation into low density polyethylene films
(Elsevier, 2017-08)
The use of active natural compounds derived from plants appears as an interesting alternative for pest control in stored products. In this study, the fumigant toxicity of several terpene ketones against maize weevil ...
Anti-E. coli cellulose-based materials
(Elsevier Science, 2019-06)
This work aimed to study Microcin J25(G12Y) (MccJ25(G12Y)) sorption to fibrous and microfibrillated cellulose (MFC) films for setting up anti-E. coli materials. The Freundlich model showed the best fit for both films, ...
Filmes de celulose bacteriana modificados como curativos que liberam antibiótico
(Universidade Tecnológica Federal do ParanáLondrinaBrasilEngenharia de MateriaisUTFPR, 2020-12-18)
Bacterial cellulose is a biomaterial that has the same chemical structure as vegetable cellulose, but is morphologically different. In the medical field, it is used in grafts, healthy skin substitutes and as dressings to ...
Theoretical analysis of the adsorption of ammonia–borane and their dehydrogenation products on the (001) surface of TiC and ZrC
(Elsevier B.V., 2019)
© 2018 Elsevier B.V.The adsorption of ammonia–borane (AB) over the (001) surface of TiC and ZrC, has been studied systematically by means of periodic-boundary density functional calculations using slab models. We present ...