نتایج جستجو برای: polymeric biomaterial

تعداد نتایج: 28455  

2016
D. B. Raina A. Gupta M. M. Petersen W. Hettwer M. McNally M. Tägil M-H. Zheng A. Kumar L. Lidgren

OBJECTIVES We have observed clinical cases where bone is formed in the overlaying muscle covering surgically created bone defects treated with a hydroxyapatite/calcium sulphate biomaterial. Our objective was to investigate the osteoinductive potential of the biomaterial and to determine if growth factors secreted from local bone cells induce osteoblastic differentiation of muscle cells. MATER...

Journal: :Biomedical materials 2016
Adam E Jakus Alexandra L Rutz Ramille N Shah

3D biomaterial printing has emerged as a potentially revolutionary technology, promising to transform both research and medical therapeutics. Although there has been recent progress in the field, on-demand fabrication of functional and transplantable tissues and organs is still a distant reality. To advance to this point, there are two major technical challenges that must be overcome. The first...

In this work, the copolymer-based synthesized Cysteine-loaded nanocarriers prepared by a routine protocol, coprecipitation method. It is the first report to investigate the neuroprotective potential and biocompatibility of Cysteine derivatives loaded into poly(ethylene glycol)-block-poly(ε−caprolactone) methyl ether (PEG-b-PCL). The average size of the polymeric/empty NCs was 89 nm and for poly...

Journal: :Trends in Biotechnology 2018

Journal: :Tissue engineering. Part C, Methods 2009
Yury Shamis Shital Patel Alex Taube Yos Morsi Igor Sbarski Yury Shramkov Rodney J Croft Russell J Crawford Elena P Ivanova

Bioprosthetic valves created from chemically treated natural tissues such as bovine pericardial biomaterial are used as heart valve scaffolds. Methods currently available for sterilization of biomaterial for transplantation include the application of gamma radiation and chemical sterilants. These techniques, however, can be problematic because they can be expensive and lead to a reduction in ti...

Journal: :iranian journal of pharmaceutical sciences 0
babak shokri shahid beheshti university, gc, laser and plasma research institute, tehran, iran, shahid beheshti university, gc, physics department, tehran, iran seyyed iman hosseini shahid beheshti university, gc, laser and plasma research institute, tehran, iran, mehdi sharifian shahid beheshti university, gc, laser and plasma research institute, tehran, iran,

wetability of biocompatible polymers can be improved by plasma surface modification. the purpose of this study was to surface modify an experimental poly (dimethylsiloxane) rubber (pdms) material in order to improve its wetability and biocompatibility. surface properties of the pdms were characterized using contact angles measurement for wetability analysis. samples of experimental silicone rub...

Journal: :Progress in Polymer Science 2007

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