Calcium Hydroxyapatite HAP CAS 1306-06-5
Hydroxyapatite, kuma ake kirahydroxylapatite(HA), wani nau'i ne na ma'adinai da ke faruwa a dabi'a na apatite tare da tsarin Ca5 (PO4) 3 (OH), amma yawanci ana rubuta Ca10 (PO4) 6 (OH) 2 don nuna cewa tantanin halitta na crystal ya ƙunshi abubuwa biyu. Hydroxyapatite shine ƙarshen hydroxyl na rukunin apatite mai rikitarwa. Tsaftacehydroxyapatite fodafari ne. Apatites da ke faruwa a zahiri na iya, duk da haka, suna da launin ruwan kasa, rawaya, ko kore, kwatankwacin ɓarkewar haƙora fluorosis.
Har zuwa 50% ta girma da 70% na nauyin kashi na mutum wani nau'i ne na hydroxyapatite wanda aka gyara, wanda aka sani da ma'adinan kashi. Hakanan ana samun lu'ulu'u na hydroxyapatite a cikin ƙananan ƙwayoyin cuta, a cikin glandar pineal da sauran sifofi, waɗanda aka sani da corpora arenacea ko 'yashin kwakwalwa'.
Aikace-aikace
1. Hydroxyapatite yana cikin kashi da hakora; An yi kashi da farko na lu'ulu'u na HA da ke shiga cikin matrix collagen -- 65 zuwa 70% na yawan kashi shine HA. Hakanan HA shine 70 zuwa 80% na yawan adadin dentin da enamel a cikin hakora. A cikin enamel, matrix don HA an samo shi ta amelogenins da enamelins maimakon collagen.
Adadin hydroxylapatite a cikin tendons a kusa da gidajen abinci yana haifar da yanayin rashin lafiya na tendinitis calcific.
2. Ana ƙara amfani da HA don yinkayan grafting kashida kuma gyaran hakora da gyaran fuska. Wasu na'urorin da aka saka, misali maye gurbin hip, na'urar haƙori da na'urar sarrafa kashi, an lulluɓe su da HA. Kamar yadda adadin narkar da ruwa na hydroxyapatite in-vivo, a kusa da 10 wt% a kowace shekara, yana da ƙasa da ƙasa fiye da haɓakar haɓakar ƙwayar ƙasusuwan da aka kafa, yayin amfani da shi azaman kayan maye gurbin kashi, ana neman hanyoyin haɓaka ƙimar solubility. don haka inganta ingantaccen bioactivity.
3. Ana siyar da Microcrystalline hydroxyapatite (MH) azaman kari na "ginin kashi" tare da mafi girman sha idan aka kwatanta da calcium.
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Za mu iya samar da Hydroxyapatite a cikin nau'in foda da nau'in granule.
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