摻硒羥基磷灰石生物材料的制備、表征及其性能的研究
[Abstract]:In this paper, the in vitro protein drug loading and release of different selenium doped hydroxyapatite (SeHAp) and SeHAp (hydroxyapatite) prepared by hydrothermal synthesis were studied, and their biological activities were evaluated. Firstly, using Ca (NO3) 24H _ 2O, (NH4) 2HPO4 and Na2SeO3 as calcium, phosphorus and selenium sources, SeHAp. with sustained release and biological activity was synthesized by hydrothermal reaction at 160 擄C for 36 h. X-ray diffractometer (XRD), Fourier transform infrared spectrometer (FT-IR), scanning electron microscope (SEM), electron diffraction spectrometer, (EDX), transmission electron microscope (TEM), thermogravimetric differential scanning calorimetry (TG-DSC), chemical titration analysis, nano-particle size and Zeta were used. The product was characterized by potentiometer. The results show that when the doping amount of n (Se): n (P) is 0.5, the synthesized SeHAp is homogeneous. With the increase of selenium content, the crystallinity and grain size of the sample decreased, SeO32 doped into hydroxyapatite by replacing PO43, and SeHAp showed positive electrical property in simulated body fluid (SBF) and the electric energy decreased with the increase of selenium content. Secondly, the adsorption / release properties of bovine serum albumin (BSA) were studied and analyzed by using bovine serum albumin (BSA) as the model. It was found that SeHAp adsorbs BSA through C-site. The adsorption process was consistent with Langmuir adsorption isotherm and the adsorption capacity decreased with the increase of the molar ratio of doped selenium and phosphorus. The release of SeHAp-BSA in SBF for 72 h was divided into two stages: at the first 12 h, the samples showed sudden release. Then the performance of slow release. Finally, the biological activity of the material was evaluated scientifically and reasonably by in vitro simulation experiment. The results showed that when the material was immersed in SBF, it would be biodegradable and new bone formation at the same time. Therefore, it was proved that SeHAp had better bioactivity.
【學(xué)位授予單位】:天津大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2015
【分類號】:TQ460.1;TB383.1
【相似文獻】
相關(guān)期刊論文 前10條
1 謝高陽,馬士明,王韻華;自Na_2HPO_4-CaCl_2體系合成單一相組成的羥基磷灰石[J];化學(xué)世界;1986年07期
2 王國凡;;高流速羥基磷灰石[J];生命的化學(xué)(中國生物化學(xué)會通訊);1987年03期
3 王吉偉;黃培宇;謝慎思;;一種改進的制備羥基磷灰石的方法[J];生命的化學(xué)(中國生物化學(xué)會通訊);1993年01期
4 王迎軍,寧成云,趙子衷,陳楷,劉正義,馬利泰,馮景偉,黃瑞福;生物活性梯度涂層中羥基磷灰石的相轉(zhuǎn)變與結(jié)構(gòu)穩(wěn)定性[J];硅酸鹽學(xué)報;1998年05期
5 孟令科,朱曉麗,葉建東,王迎軍;溶膠-凝膠法制備羥基磷灰石的影響因素[J];現(xiàn)代化工;2002年S1期
6 童義平,李粉玲,余沐磷;溶膠—凝膠法制備羥基磷灰石工藝條件的探討[J];中國陶瓷;2002年04期
7 王志強,陳曉旭,蔡英驥,呂秉玲;R_2O-Al_2O_3-B_2O_3-SiO_2系統(tǒng)玻璃對羥基磷灰石的燒結(jié)及其相轉(zhuǎn)變的影響[J];玻璃與搪瓷;2003年01期
8 李信勇,田杰謨,張勇,王曉燕,王晨;提高漿料中羥基磷灰石的固相含量的研究[J];功能材料;2003年02期
9 劉晶冰,葉曉月,汪浩,朱滿康,王波,嚴(yán)輝;水熱法合成羥基磷灰石的結(jié)構(gòu)和形貌[J];應(yīng)用化學(xué);2003年03期
10 張建民,郭軍松,楊長春,石秋芝;高純度羥基磷灰石納米功能材料的制備工藝[J];中國陶瓷;2003年04期
相關(guān)會議論文 前10條
1 宋云京;李木森;溫樹林;李士同;敖青;李勝利;倫寧;;工藝參數(shù)對羥基磷灰石沉淀形態(tài)和相結(jié)構(gòu)的影響[A];第十二屆全國電子顯微學(xué)會議論文集[C];2002年
2 劉德寶;陳民芳;沈榮臻;;羥基磷灰石的形態(tài)結(jié)晶控制[A];第六屆中國功能材料及其應(yīng)用學(xué)術(shù)會議論文集(5)[C];2007年
3 張妍;張斗;張曉泳;李志友;周科朝;;冷凍澆注法制備羥基磷灰石多孔陶瓷[A];第七屆中國功能材料及其應(yīng)用學(xué)術(shù)會議論文集(第7分冊)[C];2010年
4 王欣宇;韓穎超;李世普;;羥基磷灰石超微粉的檸檬酸鹽法合成及表征[A];2002年材料科學(xué)與工程新進展(下)——2002年中國材料研討會論文集[C];2002年
5 伍水生;代威力;吳振軍;張曉文;李文生;尹雙鳳;;羥基磷灰石的制備及其催化應(yīng)用[A];第十一屆全國青年催化學(xué)術(shù)會議論文集(上)[C];2007年
6 吳照紅;劉立中;;水熱法制備納米棒狀羥基磷灰石[A];中國化學(xué)會2008年中西部地區(qū)無機化學(xué)、化工學(xué)術(shù)交流會會議論文集[C];2008年
7 時曉梅;侯代水;松生勝;賓月珍;;溶膠-凝膠法制備超高分子量聚乙烯/羥基磷灰石梯度復(fù)合材料[A];2011年全國高分子學(xué)術(shù)論文報告會論文摘要集[C];2011年
8 鄒朝勇;林開利;常江;;微波超聲聯(lián)用輔助快速制備羥基磷灰石[A];2011年第十一屆上海地區(qū)醫(yī)用生物材料研討會——生物材料與再生醫(yī)學(xué)進展論文摘要匯編[C];2011年
9 趙欣;王德平;葉松;黃文e,
本文編號:2278804
本文鏈接:http://sikaile.net/kejilunwen/cailiaohuaxuelunwen/2278804.html