{"title":"[Changes in passive electric tissue properties of experimental tumors during carcinogenesis].","authors":"F Pliquett, J Heinitz","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>The DS-carcinosarcoma of rats changes its passive electrical properties during the development time. Using a pulse measurement method the pulse parameters h beta and h1 of cancer tissue from 10 rats were measured in vivo during a period of 13 days after the beginning of the tumour growth. These parameters depend on the intra- and extracellular conductivity, on the membrane capacity, and on the volume fraction of the structures surrounded by a membrane. The values of h beta and h1 decrease during the first 4 days of the cancerogenesis by more than 50%. These findings agree with measurements carried out in portiocarcinomas.</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":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1989-01-01","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
The DS-carcinosarcoma of rats changes its passive electrical properties during the development time. Using a pulse measurement method the pulse parameters h beta and h1 of cancer tissue from 10 rats were measured in vivo during a period of 13 days after the beginning of the tumour growth. These parameters depend on the intra- and extracellular conductivity, on the membrane capacity, and on the volume fraction of the structures surrounded by a membrane. The values of h beta and h1 decrease during the first 4 days of the cancerogenesis by more than 50%. These findings agree with measurements carried out in portiocarcinomas.
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