简介:The1990ChineseConferenceonMartensiticTransformation(CCOMAT)hasbeensuccessfullyheldinQinhuangdao,abeautifulseasidecityinChina,onAugust18-22,1990.TheconferencewasorganizedbyHebeiInstituteofTechnologyandHebeiBranchoftheChineseSocietyofMetals.
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.