نتایج جستجو برای: poly lactic acid zinc oxide nanocomposite films

تعداد نتایج: 1106588  

2011
Jianmei Pang Yuxia Luan Feifei Li Xiaoqing Cai Jimin Du Zhonghao Li

Ibuprofen- (IBU) loaded biocompatible poly(lactic-co-glycolic acid) (PLGA) films were prepared by spreading polymer/ibuprofen solution on the nonsolvent surface. By controlling the weight ratio of drug and polymer, different drug loading polymer films can be obtained. The synthesized ibuprofen-loaded PLGA films were characterized with scanning electron microscopy, powder X-ray diffraction, and ...

Journal: :Acta biomaterialia 2010
Orly Grinberg Itzhak Binderman Hila Bahar Meital Zilberman

Highly porous poly(DL-lactic-co-glycolic acid) films with controlled release of horseradish peroxidase (HRP) as a model protein have been successfully developed and studied. These films, which are prepared by freeze-drying inverted emulsions, are designed for use in tissue-regeneration applications. The effects of the emulsion's formulation and host polymer's characteristics on the film's micro...

2016
Eduardo G. C. Neiva Marcela M. Oliveira Márcio F. Bergamini Luiz H. Marcolino Aldo J. G. Zarbin

Different nanocomposites between reduced graphene oxide (rGO) and Ni(OH)2 nanoparticles were synthesized through modifications in the polyol method (starting from graphene oxide (GO) dispersion in ethylene glycol and nickel acetate), processed as thin films through the liquid-liquid interfacial route, homogeneously deposited over transparent electrodes and spectroscopically, microscopically and...

2015
D. I. Zheleva

Keratin and collagen are ones of the most abundant proteins which can be used in a variety of biomedical application due to their biocompatibility and biodegradability. Even though, keratin and collagen biomaterials are very high potential for tissue engineering applications. But, the major disadvantages of the natural biomolecules are their poor mechanical properties. Therefore it must be modi...

2002
Aleksandr L. Simonian Alexander Revzin James R. Wild Jerry Elkind Michael V. Pishko

The electrostatic assembly of nanocomposite thin films consisting of alternating layers of an organometallic redox polymer (RP) and oxidoreductase enzymes, glucose oxidase (GOX), lactate oxidase (LOX) and pyruvate oxidase (PYX), was investigated. Multilayer nanostructures were fabricated on gold surfaces by the deposition of an anionic self-assembled monolayer of 11-mercaptoundecanoic acid, fol...

2002
Michael V. Pishko Alexander Revzin Aleksandr L. Simonian

Mass transfer in nanocomposite hydrogel thin films consisting of alternating layers of an organometallic redox polymer (RP) and oxidoreductase enzymes was investigated. Multilayer nanostructures were fabricated on gold surfaces by the deposition of an anionic self-assembled monolayer of 11-mercaptoundecanoic acid, followed by the electrostatic binding of a cationic redox polymer, poly[vinylpyri...

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