ࡱ> 9;8q` R$bjbjqPqP2&::$$ *Zb b b b = = = prrrrrr$hp = = p p b b  p b b p p p  b  Yv . p0   H(= ^  Lk = = =  = = = p p p p  Title:Surface morphology variations of porous nano-calcium phosphate/poly(L-lactic acid) composites in PBS Author(s): HYPERLINK "http://apps.isiknowledge.com/WoS/CIW.cgi?SID=R26Pif2DKA@J18Ap5aE&Func=OneClickSearch&field=AU&val=Gao+YB&curr_doc=1/8&Form=FullRecordPage&doc=1/8" \o "one-click search" Gao YB,  HYPERLINK "http://apps.isiknowledge.com/WoS/CIW.cgi?SID=R26Pif2DKA@J18Ap5aE&Func=OneClickSearch&field=AU&val=Weng+WJ&curr_doc=1/8&Form=FullRecordPage&doc=1/8" \o "one-click search" Weng WJ,  HYPERLINK "http://apps.isiknowledge.com/WoS/CIW.cgi?SID=R26Pif2DKA@J18Ap5aE&Func=OneClickSearch&field=AU&val=Deng+XL&curr_doc=1/8&Form=FullRecordPage&doc=1/8" \o "one-click search" Deng XL,  HYPERLINK "http://apps.isiknowledge.com/WoS/CIW.cgi?SID=R26Pif2DKA@J18Ap5aE&Func=OneClickSearch&field=AU&val=Cheng+K&curr_doc=1/8&Form=FullRecordPage&doc=1/8" \o "one-click search" Cheng K,  HYPERLINK "http://apps.isiknowledge.com/WoS/CIW.cgi?SID=R26Pif2DKA@J18Ap5aE&Func=OneClickSearch&field=AU&val=Liu+XG&curr_doc=1/8&Form=FullRecordPage&doc=1/8" \o "one-click search" Liu XG,  HYPERLINK "http://apps.isiknowledge.com/WoS/CIW.cgi?SID=R26Pif2DKA@J18Ap5aE&Func=OneClickSearch&field=AU&val=Du+PY&curr_doc=1/8&Form=FullRecordPage&doc=1/8" \o "one-click search" Du PY,  HYPERLINK "http://apps.isiknowledge.com/WoS/CIW.cgi?SID=R26Pif2DKA@J18Ap5aE&Func=OneClickSearch&field=AU&val=Shen+G&curr_doc=1/8&Form=FullRecordPage&doc=1/8" \o "one-click search" Shen G,  HYPERLINK "http://apps.isiknowledge.com/WoS/CIW.cgi?SID=R26Pif2DKA@J18Ap5aE&Func=OneClickSearch&field=AU&val=Han+GR&curr_doc=1/8&Form=FullRecordPage&doc=1/8" \o "one-click search" Han GR Source:BIOCERAMICS 18, PTS 1 AND 2 KEY ENGINEERING MATERIALS 309-311: 569-572, Part 1-2 2006 Document Type:Article Language:English  HYPERLINK "http://apps.isiknowledge.com/WoS/CIW.cgi?SID=R26Pif2DKA@J18Ap5aE&Func=PagedCitedRefList&UT=000236902500139&doc=1/8&rec_id=149804254" Cited References: 9 Times Cited: 0  HYPERLINK "http://apps.isiknowledge.com/WoS/CIW.cgi?SID=R26Pif2DKA@J18Ap5aE&Func=EasyRelated&UT=000236902500139&doc=1/8&rec_id=149804254"  INCLUDEPICTURE "http://images.isiknowledge.com/Images/relrec.gif" \* MERGEFORMATINET  HYPERLINK "javascript:void();"  INCLUDEPICTURE "http://images.isiknowledge.com/Images/info.gif" \* MERGEFORMATINET  Abstract:Porous nano-calcium phosphate (NCP)/poly (L-lactic acid)(PLLA) composites were prepared by thermally induced phase separation method. Three kinds of NCP, alpha-tricalcium phosphate (alpha-TCP), beta-tricalcium phosphate (beta-TCP), and biphasic tricalcium phosphate (alpha/beta-TCP) were used. The pore wall surface morphology variations of the porous composites after soaking in phosphate-buffered saline (PBS) with pH 7.4 at 37 degrees C were investigated. The morphology variation was mainly related to the hydrolysis of a-TCP particles, which transformed from spherical particles to into platelike aggregates, resulting in rougher surface. The alpha-TCP content in NCP and soaking time are key influence factors for the variations. This finding could be used to optimize the conditions for biological processes as well as for growth factor accommodation and release. Author Keywords:Ca phosphate; poly (L-lactic acid); pore surface morphology; soaking; PBS KeyWords Plus:IN-VITRO; TISSUE; ROUGHNESS; SCAFFOLDS; PHOSPHATE Addresses:Weng WJ (reprint author), Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou, 310027 Peoples R China Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou, 310027 Peoples R China Peking Univ, Sch & Hosp Stomatol, Beijing, 100081 Peoples R China E-mail Addresses: HYPERLINK "mailto:wengwj@zju.edu.cn" wengwj@zju.edu.cn,  HYPERLINK "mailto:dengxuliang@hotmail.com" dengxuliang@hotmail.com,  HYPERLINK "mailto:chengkui@gmail.com" chengkui@gmail.com,  HYPERLINK "mailto:dupy@zju.edu.cn" dupy@zju.edu.cn,  HYPERLINK "mailto:sg@zju.edu.cn" sg@zju.edu.cn,  HYPERLINK "mailto:hgr@zju.edu.cn" hgr@zju.edu.cn Publisher:TRANS TECH PUBLICATIONS LTD, BRANDRAIN 6, CH-8707 ZURICH-UETIKON, SWITZERLAND IDS Number:BED87 ISSN:1013-9826 kmwxy. / 5 6 8 9 s t { | ~  4 5 ; < > ? rsжКККККККККККККККК,hKhK>*B*CJKHOJQJ^Jph6jhKhKB*CJKHOJQJU^JaJph3hKhK5B*CJKHOJQJ\^JaJph-hKhKB*CJKHOJQJ^JaJph/hKhK5B*CJKHOJQJ\^Jph3m|-=/#$gdK $1$a$gdK $1$9Da$gdK$syz|STUͶͶ̈́ͶjͶN6jhKhKB*CJKHOJQJU^JaJph3hKhK5B*CJKHOJQJ\^JaJph2hKhK5>*B*CJKHOJQJ\^Jph/hKhK5B*CJKHOJQJ\^Jph-hKhKB*CJKHOJQJ^JaJph6jhKhKB*CJKHOJQJU^JaJph,hKhK>*B*CJKHOJQJ^JphU'()*+-6 =G/@̰}̰eeeeKKKe3hKhK5B*CJKHOJQJ\^JaJph/hKhK5B*CJKHOJQJ\^Jph6jhKhKB*CJKHOJQJU^JaJph-hKhKB*CJKHOJQJ^JaJph6jhKhKB*CJKHOJQJU^JaJph6jhKhKB*CJKHOJQJU^JaJph-hKhKB*CJKHOJQJ^JaJph@ABhiz{}~()89;<^_lmop #$̵̵̵̵̵̵hKhh%o(/hKhK5B*CJKHOJQJ\^Jph,hKhK>*B*CJKHOJQJ^Jph6jhKhKB*CJKHOJQJU^JaJph-hKhKB*CJKHOJQJ^JaJph,0182P. 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