私密直播全婐app免费大渔直播,国产av成人无码免费视频,男女同房做爰全过程高潮,国产精品自产拍在线观看

搜索:  
Surfactant Free C02-in-Water Emulsion-templated Poly( vinyl alcohol) Hydrogels and Their Applications in Tissue Engineering  
Surfactant Free C02-in-Water Emulsion-templated Poly( vinyl alcohol) Hydrogels and Their Applications in Tissue Engineering
資料類型: PDF文件
關鍵詞: Poly  (vinyl  alcohol)  hydrogel  Polymerized  high  internal  
phase  emulsions  (polyHIPEs)  Cell  culture  Dense  C02  
資料大小: 99K
所屬學科: 分子表征
來源: 第六屆亞歐研討會上處理和性能增強聚合物會議文集(2013.6.2-6 武漢)
簡介:
Polymerizedhighinternalphaseemulsions(polyHIPEs),withahighlyporousandinterconnectedmorphology,arematerialspreparedbypolymerizingthecontinuousphaseofanHIPE.AndthecavitysizeofpolyHIPEsiseasilytunablebyvariousmeans[l].Unfortunately,alargeamountoforganicsolventsareusedinthetraditionalHIPE.TheseproblemscanbeovercamebytemplatingsupercriticalC02-in-water(C/W)emulsions.However,C02isfeeblesolventandmostofpolymersandpolarmassesaredifficulttodissolve;effectivesurfactantsplayanimportantroleintheformationofC/Wemulsions.Thesurfactantsareusuallynon-degradableanddifficulttoberemovedfromthemonolithsc2].WefoundthatpartiallyhydrolyzedPVAsolutionscanformemulsionswithdenseC02atlowertemperature.ThereasonisthatthepartiallyhydrolyzedPVAisacopolymerofpoly(vinylacetate)andpoly(vinylalcohol),whichissimilartoblockcopolymercharacteristics,andPVAsolutionhashigherviscosity,whichincreasesthestabilityofemulsion.Inthisstudy,highlyporouscross-linkedpoly(vinylalcohol)hydrogelmaterialswerepreparedbysurfactantfreetemplatingconcentratedC/Wemulsionsatcoolingtemperature.PVAmonolithsmaterials,whichconformcloselytotheinteriorofthereactionvessel,wereobtained.Theaverageporesize(10一20ym)ofthemonolithsmaterialswasdeterminedbyscanningelectronmicroscope(SEM).AndthePVAhydrogelswereusedastissueengineeringscaffolds,onwhichhumanfibroblastcellscangrowwell.
作者: W. Luo, S. C. Zhang, L. Y. Liang, B. E. Tan
上傳時間: 2013-07-04 16:07:12
下載次數: 1
消耗積分: 2  
立即下載:
1人
1人
1人
友情提示:下載后對該資源進行評論,即可獎勵2分。
報告錯誤:  1.下載無效  2. 資料明顯無價值  3. 資料重復存在

相關評論 共有0人發表評論 更多評論
你還沒有登錄,無法發表評論,請首先 登錄 注冊
免責聲明:本站部分資源由網友推薦,來自互聯網,版權屬于原版權人,如果不慎侵犯到您的權利,敬請告知,我們會在第一時間撤除。本站中各網友的評論只代表其個人觀點,不代表本站同意其觀點。
主站蜘蛛池模板: 二手房| 泗阳县| 夏邑县| 云和县| 丰都县| 枣强县| 防城港市| 汝城县| 蒙自县| 五峰| 绥芬河市| 乐至县| 松潘县| 九江县| 黄梅县| 平果县| 合江县| 綦江县| 陆川县| 通榆县| 衡水市| 读书| 英吉沙县| 桃园县| 西畴县| 万源市| 青州市| 新巴尔虎右旗| 江阴市| 东乡| 修文县| 栾川县| 阿拉善左旗| 南丰县| 尚义县| 水城县| 满城县| 措美县| 枣阳市| 丰镇市| 华池县|