血糖检测仪中英文对照外文翻译文献.docx
- 文档编号:23793913
- 上传时间:2023-05-20
- 格式:DOCX
- 页数:15
- 大小:641.95KB
血糖检测仪中英文对照外文翻译文献.docx
《血糖检测仪中英文对照外文翻译文献.docx》由会员分享,可在线阅读,更多相关《血糖检测仪中英文对照外文翻译文献.docx(15页珍藏版)》请在冰豆网上搜索。
血糖检测仪中英文对照外文翻译文献
中英文资料
原文:
BloodGlucoseLevelMeasurementbyConfocalReflectionPhotodetectionSystem
Abstract:
Inthepresentstudy,theconfocalopticalsystemhasbeenconstructedbyusingthenear-infraredlaser,andthereflectionphotodetectionsystemofthelivingbodyhasbeendeveloped.Thissystemreducestheinfluenceofacomplexlightscatterbytheskintissueandachievesahighlyaccuratemeasurementbyconfocalopticalsystem.Andtheinitialexperimentforthedevelopmentofthenon-invasivebloodglucosemeterthatpresumedthebloodglucoselevelbythenear-infraredabsorptionofthelivingbodyhasbeendone.Inthisreport,theprincipleofthebloodglucoselevelmeasurementofthissystemhasbeenconfirmed.Thelightintensityofthereflectioninthelivingbodyskintissuehasbeenmeasuredintheconstructedsystem,andithasbeencomparedwiththebloodglucoselevelreferencevalue.Asaresult,theabsorptionofthereflectedlightthatdependedonthebloodglucoselevelhasbeenconfirmed.Thepossibilityofmeasuringthebloodglucoselevelhasbeenshown.
Keywords:
ConfocalOpticalSystem,Non-invasive,BloodGlucose,Near-infrared.
1.INTRODUCTION
Recently,thediabeticincreasesremarkably[1,2].Theself-monitoringofbloodglucose(SMBG)isnecessaryandindispensabletotreatthediabetic.However,presentSMBGhasbeenlimitedtothemeasurementthatneedscollectingblood.Thepatienthasloadsofpain,stress,andcosts,etc.Therefore,thenon-invasivebloodglucosemetertobeabletomeasurethebloodglucoselevelisstronglyexpected[3-5].Inthepresentstudy,theconfocalopticalsystemhasbeenconstructedbyusingthenear-infraredlaser,andthereflectionphotodetectionsystemofthelivingbodyhasbeendeveloped.Andtheinitialexperimentforthedevelopmentofthenon-invasivebloodglucosemeterthatpresumedthebloodglucoselevelbythenear-infraredabsorptionofthelivingbodyhasbeendone.Thissystemreducestheinfluenceofacomplexlightscatterbytheskintissueandachievesahighlyaccuratemeasurementbyconfocalopticalsystem[6,7].Inthisreport,thefocusdepthbytheconfocalopticalsystemofthissystemhasbeenconfirmed.Andtheprincipleofthebloodglucoselevelmeasurementofthissystemwasconfirmed.Thelightintensityofthereflectioninthelivingbodyskintissuehasbeenmeasuredintheconstructedsystem,andithasbeencomparedwiththebloodglucoselevelreferencevalue.Asaresult,theabsorptionofthereflectedlightthatdependedonthebloodglucoselevelhasbeenconfirmed.Thepossibilityofmeasuringthebloodglucoselevelhasbeenshown.
2.EXPERIMENTALMETHOD
2.1Measuringsystem
Fig.1showstheopticalsystemforthesystemconstructedinthepresentstudy.Anear-infraredrayVCSEL(VerticalCavitySurfaceEmittingLaser)[8]ofwavelength1.55μmwasusedforthelightsourceofthissystem,andPD(InGaAsPINphotodiode,FGA21;THORLABS)wasusedforthephotodetector.Thissystemisaconfocalopticalsystem[9]thathasthedepthresolutionandhighplaneresolution.Intensityofthereflectedlightfromthesamplesurfacesidetotheinsideofsamplecanbedetectedbymovingthewindowupanddown.ThesourceoflighthasstabilizedbytheAPC(AutoPowerControl)circuit[10].
Fig.2Appearanceofthepolycarbonateplatemeasurement
Fig.3Appearanceofalivingbodybloodglucoselevelmeasurement
2.2Polycarbonateplatemeasurement
Thepolycarbonateplatewassetupinthevicinityofthefocusofobjectlens.Thethicknessofthepolycarbonateplateis5.0mmandrefractiveindexesaren=1.5.Thefocusofobjectlensfromthesamplesurfacesidetothebottomsidewasscannedatintervalsof0.1mm,andthereflectedlightofeachpointwasacquired.Thealuminumplatewassetupinthepolycarbonateplatebottomasareflector.Whenmeasuringit,thestatetoremovetheconfocalpinholetocompareitwiththeimageopticssystemwasmeasured.
2.3Livingbodybloodglucoselevelmeasurement
ThepresentstudywasapprovedbecauseofregulationsoftheShinshuUniversityethicscommittee.Anditwonconsentfromthesubjectbythedocument.Therelationbetweentheamountofnear-infraredabsorptionmeasurementsofthissystemandthereferencevaluethatdependedonthelivingbodybloodglucoselevelwasexamined.Themeasuringobjectwasmadeapalmarsideofthelefthandthumbroot.Thedepthofthemeasurementskintissuewasassumedtobe0.5mm,1.0mm,1.5mm,andthesurface.Andthelivingbodywasmadetosticktothewindowmaterialofthissystem,andthereflectionlightintensityineachdepthwasmeasured.Moreover,thebloodglucoselevelreferencevaluewasmeasuredbytheenzymeelectrodemethodatthesametime.Amaleinhistwentiesandanable-bodiedpersonweremadeasubject.Theyweremeasuredtwicewhentheywerehungry,andtheyweremeasured9timesatintervalsof5minutesafterglucoseload.
1.EXPERIMENTALRESULT
1.1Reflectionlightintensitythroughthepolycarbonateplate
Fig.4Thefocusdepthoftheconfocalreflectionphotodetectionsystem
Fig.4showedthereflectionlightintensityineachpointfromthevicinityofthesurfaceofthepolycarbonateplatetothebottom.Thepeakofthescanningdistanceabout4.8mmisareflectedlightofthesamplebottom.Anditwasconfirmedbybothoftheimageopticssystemandtheconfocalopticalsystem.Moreover,thereflectedlightonthesamplesurfaceseeninthescanningdistanceabout1.4mmwasabletobeconfirmedonlyintheconfocalopticalsystem.
3.2Near-infraredabsorptionofaskintissue
ThelogarithmvalueandtheconcentrationofglucoseoftheskintissuereflectionlightintensityareassumedtoshowanegativecorrelationfromtheLambert-Beerlaw[11].Thereflectionlightintensityratioontheinsideandthesurfaceoftheskintissuewasusedforthereflectionlightintensity.Asaresult,thefluctuationofthelightintensityofthesourceoflightiscorrected.Fig.5showedtherelationbetweenthelogarithmvalueandthebloodglucoselevelreferencevalueofthereflectionlightintensityratioofeachdepthof0.5mm,1.0mm,and1.5mm.AndthecorrelationcoefficientandthestandarderrorofeachdepthwereshowninTable1.
Fig.5Near-infraredabsorptionoftheskintissueofeachdepth
2.DISCUSSIO
4.1Thefocusdepthoftheconfocalreflectionphotodetectionsystem
Thereflectionlightintensityofthescanningineachpointwasoveralllargeintheimageopticssystem.Therefore,thereflectionlightpeakonthesamplesurfacewasnotabletobeconfirmed(Fig.4).Itisshownthatthereflectionlightintensityonthesamplesurfacecanbeconfirmedintheconfocalopticalsystem,andthereisadepthresolution.Moreover,thedistancebetweenpeaksofthereflectedlightofthesamplesurfaceandthebottomisabout3.4mm.Itisalmostcorrespondingtoopticaldistancet/n=3.3mmoft=5.0mminthicknessinrefractiveindexn=1.5.Itwasshowntobeabletoselectthemeasurementdepthaccordingtotherefractiveindex.Thefullwidthathalfmaximumofthepeakofthereflectedlightintheconfocalopticalsystemisabout1mm.Itcanbesaidthatthefocusdepthoftheconfocalreflectionphotodetectionsystemisabout1.0mm.
Fig.6EGAresultinrelationbetweenthereferencevaluesandthepredictivevalues
4.2Near-infraredabsorptionofaskintissue
Theattenuationofthelogarithmvalueofthereflectionlightintensityratiothatdependedonthebloodglucoselevelwasconfirmedin0.5mmand1.5mminthedepthofthemeasurementskintissue.Thepossibilityofpresumingthebloodglucoselevelfromthereflectionlightintensityratiologarithmvaluewasshownfromthelogarithmvalueofthereflectionlightintensityratioandthecorrelationofthebloodglucoselevel.However,theattenuationofthelogarithmvalueofthereflectionlightintensityratiothatdependedonthebloodglucoselevelwasnotabletobeconfirmedbythedepthof1.0mm.Itisthoughtthatthisisbecauseasteadymeasurementwasnotabletobedonebecausethescatteredstructureoftheskintissueisorganizinganditisnotuniform.Itwillbenecessarytoexaminethebestmeasurementdepthindetailinthefuture.Thesingleregressionanalysiswasdonetothedataof1.5mmthattherelationoftheattenuationofthebloodglucosereferencevalueandthereflectionlightintensitywasgoodindepth.Fig.6showedtherelationofthepredictivevalueforecastbythereferencevalueandthesingleregressionanalysis.AndweusedErrorGridAnalysis(EGA).TheEGAisdevelopedasystemfortheevaluationoftheclinicalimplicationsofpatientgeneratedbloodglucosevalue,whichtakesintoaccountthefactors.AandBzoneareclinicalsafety.Czoneisalittledanger.DandEzonearedanger[12].Asaresultofthesingleregressionanalysis,itwasinthecorrelationwithhighbloodglucosereferencevalueandbloodglucoseforecastvalue.Moreover,alldatawasincludedinAandBzoneintheresultofEGA.Theplotwasdistributedclinicalwithintheeffectiverange.Therefore,itwasshownthatthevalidityofthebloodglucoselevelmeasurementbythissystem.Anditisnecessarytoincreasethenumberofmeasurementsandtoconfirmthestabilityofthemeasurement.
5.CONCLUSION
Theconfocalopticalsystemhasbeenconstructedbyusingthenear-infraredlaser,andthereflectionphotodetectionsystemofthelivingbodyhasbeendeveloped.Thedepthresolutionofthesystemhasbeenconfirmedbymeasuringthepolycarbonateplate.Andithasbeenshowntobeabletoselectthedepthwhenthelivingbodywasmeasured.Thepossibilityofpresumingthebloodglucoseleve
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 血糖 检测 中英文 对照 外文 翻译 文献