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Evaluating the use of a Raman fiberoptic probe in conjunction with a resonance sensor for measuring porcine tissue in vitro
Dept. of Computer Science and Electrical Engineering, Luleå University of Technology.
Dept. of Computer Science and Electrical Engineering, Luleå University of Technology.
Umeå University, Faculty of Science and Technology, Applied Physics and Electronics. Umeå University, Faculty of Science and Technology, Centre for Biomedical Engineering and Physics.
Dept. of Computer Science and Electrical Engineering, Luleå University of Technology.
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2009 (English)In: IFMBE Proceedings of the World Congress on Medical Physics and Biomedical Engineering, Heidelberg: Springer , 2009, 414-417 p.Conference paper, Published paper (Refereed)
Abstract [en]

Prostate cancer is the most common form of cancer and is the third leading cause of cancer-related death in European men. There is a need for new methods that can accurately localize and diagnose prostate cancer. In this study a new approach is presented: a combination of resonance sensor technology and Raman spectroscopy. Both methods have shown promising results for prostate cancer detection in vitro. The aim of this study was to evaluate the combined information from measurements with a Raman fiberoptic probe and a resonance sensor system. Pork belly tissue was used as a model system. A three-dimensional translation table was equipped with an in-house developed software, allowing measurements to be performed at the same point using two separate instruments. The Raman data was analyzed using principal component analysis and hierarchical clustering analysis. The spectra were divided into 5 distinct groups. The mean stiffness of each group was calculated from the resonance sensor measurements. One of the groups differed significantly (p < 0.05) from the others. A regression analysis, with the stiffness parameter as response variable and the principal component scores of the Raman data as the predictor variables, explained 67% of the total variability. The use of a smaller resonance sensor tip would probably increase the degree of correlation. In conclusion, Raman spectroscopy provides additional discriminatory power to the resonance sensor.

Place, publisher, year, edition, pages
Heidelberg: Springer , 2009. 414-417 p.
Series
IFMBE Proceedings, ISSN ISSN 1680-0737 ; 25
Keyword [en]
Raman spectroscopy, resonance sensor, combination, porcine tissue, cluster analysis
National Category
Medical Laboratory and Measurements Technologies
Identifiers
URN: urn:nbn:se:umu:diva-26690OAI: oai:DiVA.org:umu-26690DiVA: diva2:273376
Conference
WC2009
Available from: 2009-10-21 Created: 2009-10-21 Last updated: 2010-03-12

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CiteExportLink to record
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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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Language
  • de-DE
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  • en-US
  • fi-FI
  • nn-NO
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  • asciidoc
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