{"title":"[Continuous intracorporeal glucose measurement using enzyme electrodes].","authors":"E Brunstein, P Abel, K Rebrin, U Fischer","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>An enzyme electrode (GOD, Pt-Ag/AgCl) is introduced for amperometric measurement of the intracorporal glucose concentration in the subcutaneous tissue. Changes of the glucose concentration in the peripheral blood (PG) were induced by glucose- respectively insulin-infusion in healthy dogs. PG was compared with values found by out means of a sensor implanted in the necks of the dogs (SG). The regression equation SG = 0.81 PG - 1.39 was calculated by analysing 62 steady state levels. The regression delta SG = 0.83 delta PG + 0.22 submitted for the deviation of the normoglycemic base-level. A sensibility loss of the sensor of about 10% appears after an implantation duration of 7.5 hours in medium. Conclusions for the further development of the sensors follows especially with the in vivo functions (biocompatibility, diminution, sterilisation).</p>","PeriodicalId":77647,"journal":{"name":"Zeitschrift fur experimentelle Chirurgie, Transplantation, und kunstliche Organe : Organ der Sektion Experimentelle Chirurgie der Gesellschaft fur Chirurgie der DDR","volume":"23 2","pages":"95-8"},"PeriodicalIF":0.0000,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Zeitschrift fur experimentelle Chirurgie, Transplantation, und kunstliche Organe : Organ der Sektion Experimentelle Chirurgie der Gesellschaft fur Chirurgie der DDR","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
An enzyme electrode (GOD, Pt-Ag/AgCl) is introduced for amperometric measurement of the intracorporal glucose concentration in the subcutaneous tissue. Changes of the glucose concentration in the peripheral blood (PG) were induced by glucose- respectively insulin-infusion in healthy dogs. PG was compared with values found by out means of a sensor implanted in the necks of the dogs (SG). The regression equation SG = 0.81 PG - 1.39 was calculated by analysing 62 steady state levels. The regression delta SG = 0.83 delta PG + 0.22 submitted for the deviation of the normoglycemic base-level. A sensibility loss of the sensor of about 10% appears after an implantation duration of 7.5 hours in medium. Conclusions for the further development of the sensors follows especially with the in vivo functions (biocompatibility, diminution, sterilisation).
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