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Fine Structure analysis and Antibacterial property of Strontium doped HydroxyapatiteS.Saranya * , M.Prema Rani
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Author
S.Saranya *
ISSN
2737-4033
Abstract
Calcium phosphate-based bioceramics play a key role in several biomedical applications and have been expanding remarkably the recent years. Among different forms of bioceramics, particular attentions have been placed to calcium phosphates-based powders, granules, dense or porous bodies, and coatings for metallic or polymeric implants due to their excellent biocompatibility and osteointegration properties. In consequence, synthetic bioceramics have been considerably utilized in the fields of orthopaedic and dentistry. Strontium ion plays a vital role in enamel demineralization. Strontium ions can replace calcium in hydroxyapatite but in addition may provide antibacterial action. Pure Hydroxyapatite and Sr doped Nanopowders have been prepared by Sol gel method. The formed gel was dried at 110°C for 22 hours and then calcined at 900°C for 4 hours. The formation mechanism, elemental composition, particle Size and antibacterial action have been investigated using XRD, TEM, EDS and ANTIBACTERIAL ACTIVITY. The particles of all samples are of nano Size with average length of 18nm in diameter.TEM confirms the influence of Strontium on their Morphology. The elemental composition was affected by the addition of Sr.The Antibacterial property shows the increase in zone of inhibition at 6% Sr doped HAp.
Keywords
Strontium, XRD, Hydroxyapatite, Solgel, TEM, Antibacterial activity
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