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基于碳纳米管X射线源的生物医学成像(英文) Title:BiomedicalImagingwithCarbonNanotubeX-raySources Abstract: Biomedicalimagingplaysavitalroleinmodernhealthcare,enablingnon-invasivevisualizationanddiagnosisofvariousdiseases.TraditionalX-raysources,suchasX-raytubes,havebeenwidelyusedinmedicalimaging.However,theyhavelimitationsintermsofsize,cost,andradiationexposure.Toovercometheselimitations,researchershaveturnedtheirattentiontocarbonnanotube(CNT)X-raysources,whichhaveemergedasapromisingalternativeduetotheiruniqueproperties.ThispaperaimstoexplorethepotentialofCNTX-raysourcesinbiomedicalimaginganddiscusstheiradvantages,challenges,andfutureprospects. 1.Introduction Biomedicalimagingtechniqueshaverevolutionizedthediagnosisandtreatmentofdiseases.X-rayimaging,beingoneofthemostcommonlyusedmethods,providesavaluabletoolforinvestigatingtheinternalstructuresofthehumanbody.However,traditionalX-raysourceshavelimitationsintermsofsize,cost,andradiationexposure.ThedevelopmentofCNTX-raysourcesopensupanewerainbiomedicalimaging. 2.CarbonNanotubeX-raySources 2.1.PropertiesandStructureofCarbonNanotubes 2.2.FabricationTechniquesforCarbonNanotubeX-raySources 2.3.AdvantagesofCarbonNanotubeX-raySources 2.4.ChallengesinCarbonNanotubeX-raySourceDevelopment 3.BiomedicalImagingApplications 3.1.RadiographyandFluoroscopy 3.2.ComputedTomography(CT) 3.3.Angiography 3.4.Mammography 3.5.DentalImaging 3.6.InterventionalX-ray 4.AdvantagesofCarbonNanotubeX-raySourcesinBiomedicalImaging 4.1.MiniaturizationandPortability 4.2.LowerCost 4.3.ImprovedImageQuality 4.4.ReducedRadiationExposure 5.ChallengesandLimitations 5.1.UniformityandStabilityofEmission 5.2.HeatDissipation 5.3.ElectricalPowerRequirement 5.4.SafetyConcerns 6.FutureProspects 6.1.IntegrationwithOtherImagingModalities 6.2.AdvancedImageReconstructionTechniques 6.3.ClinicalTranslationandCommercialization 7.Conclusion CarbonnanotubeX-raysourceshaveshownpromisingpotentialinbiomedicalimaging,offeringsignificantadvancementsovertraditionalX-raysources.However,therearestillcha