Please use this identifier to cite or link to this item: http://repositorio.inesctec.pt/handle/123456789/6221
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dc.contributor.authorOliveira,LMen
dc.contributor.authorMaria Inês Carvalhoen
dc.contributor.authorNogueira,EMen
dc.contributor.authorTuchin,VVen
dc.date.accessioned2018-01-15T18:36:37Z-
dc.date.available2018-01-15T18:36:37Z-
dc.date.issued2013en
dc.identifier.urihttp://repositorio.inesctec.pt/handle/123456789/6221-
dc.identifier.urihttp://dx.doi.org/10.1088/1054-660x/23/7/075606en
dc.description.abstractThe study of agent diffusion in biological tissues is very important to understand and characterize the optical clearing effects and mechanisms involved: tissue dehydration and refractive index matching. From measurements made to study the optical clearing, it is obvious that light scattering is reduced and that the optical properties of the tissue are controlled in the process. On the other hand, optical measurements do not allow direct determination of the diffusion properties of the agent in the tissue and some calculations are necessary to estimate those properties. This fact is imposed by the occurrence of two fluxes at optical clearing: water typically directed out of and agent directed into the tissue. When the water content in the immersion solution is approximately the same as the free water content of the tissue, a balance is established for water and the agent flux dominates. To prove this concept experimentally, we have measured the collimated transmittance of skeletal muscle samples under treatment with aqueous solutions containing different concentrations of glucose. After estimating the mean diffusion time values for each of the treatments we have represented those values as a function of glucose concentration in solution. Such a representation presents a maximum diffusion time for a water content in solution equal to the tissue free water content. Such a maximum represents the real diffusion time of glucose in the muscle and with this value we could calculate the corresponding diffusion coefficient.en
dc.languageengen
dc.relation5135en
dc.rightsinfo:eu-repo/semantics/openAccessen
dc.titleThe characteristic time of glucose diffusion measured for muscle tissue at optical clearingen
dc.typearticleen
dc.typePublicationen
Appears in Collections:CTM - Articles in International Journals

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