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NANOSTRUCTURED MATERIAL FORMULATED WITH BONE CEMENT FOR EFFECTIVE ANTIBIOTIC DELIVERY
专利权人:
AGENCY FOR SCIENCE; TECHNOLOGY AND RESEARCH
发明人:
SHEN, SHOU-CANG,NG, WAI, KIONG,CHIA, LEONARD,TAN, REGINALD, B., H.
申请号:
SG2012040143
公开号:
SG181156A1
申请日:
2010.12.03
申请国别(地区):
SG
年份:
2012
代理人:
摘要:
This invention uses mesoporous silica nanoparticles and other nanostructured materials to formulate polyacrylate-based bone cement for achieving an enhanced and controlled elution of active ingredients such as antibiotics. This invention overcomes the limitation of low antibiotic release from commercial polyacrylate-based bone cements using for example, PMMA. In certain aspects, the formulation enables a sustained release of antibiotics from the bone cement over a period of 80 days and achieves 70% of total drug release, whereas the commercial antibiotic bone cement (e.g., SmartSet GHV) only releases about 5% of the antibiotics on the first day and subsequently an almost negligible amount. In addition, the mechanical properties of our formulated bone cements are well retained. The inventive bone cement exhibits good antibacterial properties and has very low cytotoxicity to mouse fibroblast cells.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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