聚丙烯纤维驻极体过滤材料的抗菌性能研究

:1001-7658(2010)03-0268-04田涛,郝丽梅,吴金辉,林松,杨荆泉(军事医学科学院卫生装备研究所国家生物防护装备工程技术研究中心,天津300161),18h9602%8943%;30min,4522%9889%9920%,;;;:R187:ASTUDYONANTIBACTERIALACTIVITYOFPOLYPROPYLENEFIBERELECTRETFIL-TERMEDIUMTIANTao,HAOLi-mei,WUJing-hui,LINSong,YANGJing-quan(InstituteofMedicalEquipment,AcademyofMilitaryMedicalScience,NationalBio-protectionEngineeringCenter,Tianjin300161,China)AbstractObjectiveTostudytheantibacterialactivityofpolypropylenefiberelectretfiltermedium.MethodsAnt-ibacterialefficiencieswereevaluatedbymeansofflask-shakingtestandcarrierquantitativegermicidaltestrespectively,whilebacterialfiltrationefficiencies(BFEs)werecalculatedbycomparingtheamountofbacteriainaerosolssampledatbothupstreamanddownstreamofthemedium.ResultsBacteriostaticefficienciesoftheelectretmediumagainstStaphylococcusaureusandEscherichiacoliinliquidwere96.02%and89.43%respectivelywhenitwasshakeninthesebacterialsuspensionsfor18h,andagainstS.aureusinaerosolwas45.22%averagelyaftercontactfor30min.Thefiltra-tionefficiencyoftheelectretmediumagainstS.aureusandE.coliinaerosolwere98.89%and99.20%respectively.ConclusionThiskindofpolypropylenefiberelectretfiltermediumshowsgoodantibacterialactivityandbacterialfiltrationefficiencies.Keywordspolypropylenefiberelectretfiltermedium;bacterialaerosol;antibacterialactivity;filtrationefficiency(1979-),,,,,,E-mai:[e-mail](2009ZX10004-703)(07JCYBJC03100),,,,1,2,,,111试验材料,;,M401SSDStatiron-DZ3(ATCC6538)(8099),268ChineseJournalofDisinfection2010;27(3),12试验方法121,1,,,,,,1.;2.;3.;4.;5.1122,,3724h,(PBS),123FZ/T73023-2006D.8,075g,,30min05cm70mlPBS,5ml,24,150r/min1h18h,01ml,,Y=W1-W2W1100%,(Y,W11h/18h:W2:1h/18h)1242002,4cm4cm,30min,15cm1108~5108cfu/ml,0h05h,100mlPBS,280r/min2min,01ml,,:X=A-BA100%(A0h,B05h)Y=C(1-X)C(1-X)100%(C0h,D05h)125ASTMF2101-01,3104~4104cfu/ml,Collison,47cm/sAnderson283L/min20s5min,N=w115-W1W115100%(W1;W2)221液体抗菌性能试验结果,1h,4082%4079%(1)11h(cfu/ml)(%)(cfu/ml)(%)112800017100017740239643862164000153000289457393390231430001380003913649843949:269中国消毒学杂志2010年第27卷第3期18h9602%8943%(2)218h(cfu/ml)(%)(cfu/ml)(%)12650002260001149491338559229300020900021296071593063274000237000389707258964:22气溶胶污染样片抗菌性能试验结果,30min,45.22%(3)23聚丙烯驻极体滤材的细菌气溶胶过滤效率,9889%9920%,(4)30h(cfu/ml)05h(cfu/ml)(%)114413938221711262610314212114491518279462425032215616354323157554(%)(%)11767036987907408008077802021654525998429322505235837731714531178182377856798820112073024998804647033399282265353119883393153439913324180231990442285343991933,4-6,7,,8,,90%,,,,,9,,,05%15%;48~72h,,,(),,3,18h9602%,8943%,,30min,30min,5332%,,98%,(272)270ChineseJournalofDisinfection2010;27(3)30,,5cfu/cm2,2ATP30RLU/100cm2SPSS100,t;2P005,2,ATP9666%(29/30),9333%(28/30),,2=053,P005,,ATP1550052,2357171,8073,,,,48h,9333%,,,,ATPATP,ATP,ATP,ATP,RLU,1ATP,ATP,,,23571550,ATP,,,;,,1,,,.ATP[J].,2008,25(3):245.2.[S].:,2002:194~205.(:2009-09-24)(270),,,,,,1R.MausA,GoppelsroderH.Umhauer.Survivalofbacterialandmoldsporesinfiltermedia[J].AtmosphericEnvironment,2002,35(1):105.2,.[J].,2002,32(5):30.3.[M].:,2001:1~319.4Sae-limW,TanthapanichakoonW,KanaokaC.Structuralim-provementtoquadrupleservicelifeofahigh-efficiencyelectretfilter[J].ScienceandTechnologyofAdvancedMaterials,2005,(6):307.5LeeM,OtaniY,NamikiN,etal.Predictionofcollectioneff-iciencyofhigh-performanceelectretfilters[J].JournalofChem-icalEngineeringofJapan,2002,33(1):57.6LowkisB,MotylE.Electretpropertiesofpolypropylenefabrics[J].JournalofElectrostatics,2001,52(2):232.7,,.[J].,2007,28(9):125.8,,,.[J].,1997,14(4):199.9,,,.[J].,2001,22(5):409.(:2009-11-24)272ChineseJournalofDisinfection2010;27(3)