1997
DOI: 10.1590/s0100-40421997000500006
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Compósitos colágeno aniônico: fosfato de cálcio. Preparação e caracterização

Abstract: Recebido em 23/8/96; aceito em 21/5/97 COLLAGEN:CALCIUM PHOSPHATE COMPOSITES. PREPARATION AND CHARACTERIZA-TION. Anionic collagen: calcium phosphate composite was obtained by controlled mixing of collagen and calcium phosphate until the consistence of a past. Material was characterized by a Ca/P ratio of 1.55, with a X-ray diffraction pattern similar to that for hydroxyapatite. Differential Scanning Calorimetry showed that the protein is not denatured under the processing conditions. Scanning Electronic Micros… Show more

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Cited by 15 publications
(6 citation statements)
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“…In recent years bioceramics based on calcium phosphate salts have received attention as bone substitutes 7 . These materials may be resorbable (tricalcium phosphate), bioactive (hydroxyapatite and bioactive glasses), porous for tissue ingrowth (hydroxyapatite-coated metals) 8 or composites (stainless-steelfibre-reinforced bioglass) [9][10][11] . The human bone is formed basically by an organic phase and other minerals.…”
Section: Introductionmentioning
confidence: 99%
“…In recent years bioceramics based on calcium phosphate salts have received attention as bone substitutes 7 . These materials may be resorbable (tricalcium phosphate), bioactive (hydroxyapatite and bioactive glasses), porous for tissue ingrowth (hydroxyapatite-coated metals) 8 or composites (stainless-steelfibre-reinforced bioglass) [9][10][11] . The human bone is formed basically by an organic phase and other minerals.…”
Section: Introductionmentioning
confidence: 99%
“…Cell and tissue response to implant materials is one of the most important themes in the field of biomaterials . Implanted bioactive calcium phosphate carbons are known to bond directly to bone [1][2][3][4][5][6][7][8][9][17][18][19][20]22,23,34,35]. However, differences in these materials are reflected in the rate of bone formation on their surfaces [1-3, 17, 35, 36, and 37].…”
Section: Resultsmentioning
confidence: 99%
“…A combination of the properties of zirconium (high strength) and the bioactivity of HAp should yield a bioactive implant material [14]. Several processes are used to produce HAp of wide application as a temporary substitute for the human bone [15][16][17][18][19][20]. The dry milling process presents the advantages that melting is not necessary and the powders are nanocrystalline.…”
Section: Introductionmentioning
confidence: 99%
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“…Esses fatores têm como explicação a natureza química destes materiais, isso porque eles são formados basicamente por íons cálcio e fosfato, que participam ativamente do equilíbrio iônico entre o fluido biológico e a cerâmica (JUNFENG e XUN, 2014). A grande aceitação das biocerâmicas à base de sais de fosfato de cálcio deve-se, principalmente, ao seu alto grau de biocompatibilidade, relacionada com a sua similaridade química à dos componentes normalmente encontrados no tecido ósseo (BET et al, 1997;RAMAKRISHNAN et al, 2013;ANA et al, 2018).…”
Section: Introductionunclassified