学科分类
/ 1
2 个结果
  • 简介:The1990ChineseConferenceonMartensiticTransformation(CCOMAT)hasbeensuccessfullyheldinQinhuangdao,abeautifulseasidecityinChina,onAugust18-22,1990.TheconferencewasorganizedbyHebeiInstituteofTechnologyandHebeiBranchoftheChineseSocietyofMetals.

  • 标签: TRANSFORMATION CCOMAT Hebei BEAUTIFUL attending FERROUS
  • 简介:Thepresentworkshowsdrug-carrierinteractions,releasebehaviorsandcellresponsesofhydroxyapatite(HA)containingsalvianolicacidB(SalB),astragaluspolysaccharide(APS),andnaringin.X-raydiffraction(XRD)showedthatthecrystallinityandcrystalsizeofHAdecreasedsignificantlywhenSalBwasadded(p<0.05).Transmissionelectronmicroscope(TEM)confirmedthatthenano-acicularcrystalsofHAcontainingSalBwerethemostfineamongallspecimens.ItwasconjecturedthatSalBpreferentiallyadsorbedonthepositivelychargedsurfaceofHAcrystalstoinhibittheirgrowth.InvitroreleaseofHAcontainingChinesemedicinesfollowedthefirst-orderequation.Thedrug-carrieraffinitybetweenHAandSalBmighthaveprolongedthereleaseofSalB.TheproliferationanddifferentiationofosteoblastswerepromotedbyChinesemedicinescontainingHAinthetimeanddosagedependentmanner.Theosteoblastsdisplayedapolygonalmorphologywithcell-celljunctionsinallcases.ItissuggestedthatthecontainedChinesemedicineswouldpromotetheactivitiesoftheosteoblasts.

  • 标签: 药物载体 羟基磷灰石 细胞反应 相互作用 释放行为 透射电子显微镜