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Human skull translu...
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Sawosz, P.Polish Acad Sci, Nalecz Inst Biocybernet & Biomed Engn, Warsaw, Poland.
(author)
Human skull translucency : post mortem studies
- Article/chapterEnglish2016
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LIBRIS-ID:oai:DiVA.org:uu-313967
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-313967URI
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https://doi.org/10.1364/BOE.7.005010DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Measurements of optical translucency of human skulls were carried out. An incandescent light source and a CCD camera were used to measure the distribution of light transmitted through the skull in 10 subjects post-mortem. We noticed that intra-individual differences in optical translucency may be up to 100 times but inter-individual translucency differences across the skull reach 105 times. Based on the measurement results, a "theoretical" experiment was simulated. Monte-Carlo calculations were used in order to evaluate the influence of the differences in optical translucency of the skull on results of NIRS measurements. In these calculations a functional stimulation was done, in which the oxyhemoglobin and deoxyhemoglobin concentrations in the brain cortex change by 5 mu M and -5 mu M respectively. The maximal discrepancies between assumed hemoglobin concentration changes and hemoglobin concentration changes estimated with Monte-Carlo simulation may reach 50% depending of the translucency of the skull.
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Wojtkiewicz, S.Polish Acad Sci, Nalecz Inst Biocybernet & Biomed Engn, Warsaw, Poland.
(author)
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Kacprzak, M.Polish Acad Sci, Nalecz Inst Biocybernet & Biomed Engn, Warsaw, Poland.
(author)
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Weigl, WojciechUppsala universitet,Anestesiologi och intensivvård,Akademiska Hospital, Uppsala, Sweden(Swepub:uu)wojwe858
(author)
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Borowska-Solonynko, A.Med Univ Warsaw, Dept Forens Med, Warsaw, Poland.
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Krajewski, P.Med Univ Warsaw, Dept Forens Med, Warsaw, Poland.
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Bejm, K.Polish Acad Sci, Nalecz Inst Biocybernet & Biomed Engn, Warsaw, Poland.
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Milej, D.Polish Acad Sci, Nalecz Inst Biocybernet & Biomed Engn, Warsaw, Poland.
(author)
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Ciszek, B.Med Univ Warsaw, Dept Descript & Clin Anat, Warsaw, Poland.
(author)
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Maniewski, R.Polish Acad Sci, Nalecz Inst Biocybernet & Biomed Engn, Warsaw, Poland.
(author)
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Liebert, A.Polish Acad Sci, Nalecz Inst Biocybernet & Biomed Engn, Warsaw, Poland.
(author)
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Polish Acad Sci, Nalecz Inst Biocybernet & Biomed Engn, Warsaw, Poland.Anestesiologi och intensivvård
(creator_code:org_t)
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In:Biomedical Optics Express7:12, s. 5010-50202156-7085
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- By the author/editor
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Sawosz, P.
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Wojtkiewicz, S.
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Kacprzak, M.
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Weigl, Wojciech
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Borowska-Solonyn ...
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Krajewski, P.
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show more...
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Bejm, K.
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Milej, D.
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Ciszek, B.
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Maniewski, R.
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Liebert, A.
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NATURAL SCIENCES
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Biomedical Optic ...
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Uppsala University