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1、JournalofPhysics:ConferenceSeriesOPENACCESSRelatedcontent-BacterialandarchaealresistancetoDetectionofγ-radiationandheavymetalsusingionizingradiationFConfalonieriandSSommerelectrochemicalbacterial-basedsensor-AbilitiesofRamansensortoprobepollutantsinwaterKBenMabrouk,THKa
2、uffmannandMDTocitethisarticle:MAl-Shanawaetal2013J.Phys.:Conf.Ser.450012025Fontana-X-rayimagingofradioresistantDeinococcusradioduransKTakemoto,INarumi,KSatohetal.Viewthearticleonlineforupdatesandenhancements.ThiscontentwasdownloadedfromIPaddress117.165.40.132on02/09/201
3、8at04:03Sensors&theirApplicationsXVIIIOPPublishingJournalofPhysics:ConferenceSeries450(2013)012025doi:10.1088/1742-6596/450/1/012025Detectionofγγγ-radiationandheavymetalsusingelectrochemicalbacterial-basedsensor1,31121M.Al-Shanawa,A.Nabok,A.Hashim,T.Smith,S.Forder1Sheff
4、ieldHallamUniversity,Materials&EngineeringResearchInstitute2SheffieldHallamUniversity,BiomedicalResearchCentreCityCampus,HowardStreet,Sheffield,UK3FaculityofScience,UniversityofBasra,Basra,IraqE-mail:a.hashim@shu.ac.ukAbstract.Themainaimofthisworkistodevelopasimpleelect
5、rochemicalsensorfordetectionofγ-radiationandheavymetalsusingbacteria.AseriesofDCandACelectricalmeasurementswerecarriedoutonsamplesoftwotypesofbacteria,namelyEscherichiacoliandDeinococcusradiodurans.Asafirststep,acorrelationbetweenDCandACelectricalconductivityandbacteria
6、concentrationinsolutionwasestablished.Thestudyoftheeffectof2+γ-radiationandheavymetalions(Cd)onDCandACelectricalcharacteristicsofbacteriarevealedapossibilityofpatternrecognitionoftheaboveinhibitionfactors.1.IntroductionThisworkisapartofongoingresearchtargetingthedevelop
7、mentofnovel,simple,andcosteffectivemethodsformonitoringenvironmentalpollutants,particularlyradionuclidesandheavymetalsbeingcommoncontaminantsofwaterresources[1,2].Itisknownthatmicro-organismssuchasbacteriaareverysensitivetoγ-radiationproducedbyradionuclidesaswellastohea
8、vymetals[3,4].Theuseofmicro-organismsforassessmentofgeneraltoxicityofaqueousenvironmentwasreportedpreviously[5
