File:Hüdroksüapatiidi kristallid.JPG

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Hüdroksüapatiidi_kristallid.JPG (505 × 430 pixels, file size: 54 KB, MIME type: image/jpeg)

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Eesti: Skaneeriva elektronmikroskoobiga tehtud pildil on näha, kuidas elektrokeemilise sadestamise meetodil on roostevabast terasele kasvatatud nõelakujulised hüdroksüapatiidi kristallid. Hüdroksüapatiit on inimorganismile väga vajalik mineraal, mida leidub peamiselt luukudedes ja hammaste emailis. Tänapäeval on välja töötatud erinevaid meetodeid tehisliku hüdroksüapatiidi sünteesiks, millega on võimalik näiteks parandada pisemaid auke hammastes ja tugevdada luid. Samuti on võimalik hüdroksüapatiiti elektrokeemiliselt sadestada erineva kujuga metallist valmistatud organismi siirdatavatele implantaatidele ning seeläbi parendada luurakkude kinnitumist implantaadile. Selle tulemusena on võimalik vähendada riski, et organism võib implantaati kui võõrkeha mitte aktsepteerida. Antud pildil olevad hüdroksüapatiidi kiristallid on sadestatud Tartu Ülikooli Füüsika Instituudi Kiletehnoloogia laboris.
English: This scanning electron microscope picture visualizes needle-like hydroxyapatite crystals on stainless steel. Hydroxyapatite is important mineral for human organism and also chemically similar to the inorganic component of bone matrix. Due to its bio-compatibility and bio-activity, synthetic hydroxyapatite and coatings made of it are perfect for bio-medical applications.
English: hydroxyapatite crystals
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Author Martin.Neitsov

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current09:06, 26 November 2015Thumbnail for version as of 09:06, 26 November 2015505 × 430 (54 KB)Martin.Neitsov (talk | contribs)User created page with UploadWizard

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