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Statements

Subject Item
n2:RIV%2F44265786%3A_____%2F07%3A13100001%21RIV10-MPO-44265786
rdf:type
n6:Vysledek skos:Concept
dcterms:description
The synthetic porous bone regeneration material based on hydroxyapatite powder was prepared by the reaction of aqueous solution calcium hydroxide and phosphoric acid. The HA granules were sintered at 700 and 1200°C. The two sizes of the granules were prepared (0.16 -0.3, 1-2 mm). The tests were carried out using unheated and heated HA granules. The initial pH of the corrosion medium was 3. XRD patterns suggested that the material was HA. (PDF database card 9-342) with low crystallinity. The micro pore size of the HA granules was less than 1µm and the specific surface area of the unheated HA granules reached 60 [m 2.g-1]. At the beginning of the interaction for the unheated and the heated HA granules the leaching of Ca 2+ and (PO4) 3- was observed. After 20 hours of exposure the ion concentrations were stabilized. The dissolution rate decrease can be caused by the solution saturation with respect to hydroxyapatite.. The heat treatment proved to have significant effect on the dissolution process. The synthetic porous bone regeneration material based on hydroxyapatite powder was prepared by the reaction of aqueous solution calcium hydroxide and phosphoric acid. The HA granules were sintered at 700 and 1200°C. The two sizes of the granules were prepared (0.16 -0.3, 1-2 mm). The tests were carried out using unheated and heated HA granules. The initial pH of the corrosion medium was 3. XRD patterns suggested that the material was HA. (PDF database card 9-342) with low crystallinity. The micro pore size of the HA granules was less than 1µm and the specific surface area of the unheated HA granules reached 60 [m 2.g-1]. At the beginning of the interaction for the unheated and the heated HA granules the leaching of Ca 2+ and (PO4) 3- was observed. After 20 hours of exposure the ion concentrations were stabilized. The dissolution rate decrease can be caused by the solution saturation with respect to hydroxyapatite.. The heat treatment proved to have significant effect on the dissolution process.
dcterms:title
The effect of heat treatment on dissolution characteristics of synthetic hydroxyapatite The effect of heat treatment on dissolution characteristics of synthetic hydroxyapatite
skos:prefLabel
The effect of heat treatment on dissolution characteristics of synthetic hydroxyapatite The effect of heat treatment on dissolution characteristics of synthetic hydroxyapatite
skos:notation
RIV/44265786:_____/07:13100001!RIV10-MPO-44265786
n3:aktivita
n7:P
n3:aktivity
P(FT-TA3/131)
n3:cisloPeriodika
19
n3:dodaniDat
n15:2010
n3:domaciTvurceVysledku
n12:7025351
n3:druhVysledku
n17:J
n3:duvernostUdaju
n13:S
n3:entitaPredkladatele
n5:predkladatel
n3:idSjednocenehoVysledku
418950
n3:idVysledku
RIV/44265786:_____/07:13100001
n3:jazykVysledku
n16:eng
n3:klicovaSlova
heat treatment; synthetic hydroxyapatite; static tests; dissolution; HA granules
n3:klicoveSlovo
n11:dissolution n11:synthetic%20hydroxyapatite n11:heat%20treatment n11:static%20tests n11:HA%20granules
n3:kodStatuVydavatele
CH - Švýcarská konfederace
n3:kontrolniKodProRIV
[76ED284D485B]
n3:nazevZdroje
Clinical Oral Implants Research
n3:obor
n8:FF
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
3
n3:projekt
n10:FT-TA3%2F131
n3:rokUplatneniVysledku
n15:2007
n3:svazekPeriodika
18
n3:tvurceVysledku
Protivínský, Jiří Brázda, Lukáš Strnadová, Marie
s:issn
0905-7161
s:numberOfPages
1