期刊
PROGRESS IN BIOMATERIALS
卷 7, 期 4, 页码 289-296出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s40204-018-0103-4
关键词
Hydroxyapatite; Polyvinyl alcohol; Sodium alginate; Amoxicillin; Antimicrobial studies
Hydroxyapatite (HAP) is the main constituent of human bone and teeth. Hydroxyapatite nanoparticles are used for the treatment of various bone infections. Nanohydroxyapatite is a biocompatible material. It is used as a drug carrier for drugs and biomolecules for various diseases. Hydroxyapatite nanoparticles are made into nanocomposite with sodium alginate and polyvinyl alcohol. This nanocomposite is used for the sustained release of drugs. It is characterized by various characterization techniques like XRD, FTIR, TEM, and Raman. Hydroxyapatite nanoparticles are coated initially with polyvinyl alcohol and then coated with sodium alginate. Amoxicillin is used as the model drug. Studies on the drug loading and drug release have been done. The release of the drug is sustained for about 30days. Antimicrobial studies have shown good activity against pathogens. The zone of inhibition is found to be 18mm for a concentration of 500 mu g against Bacillus subtilis and 16 mu g against Klebsiella pneumonia.
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