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Estimation of Rabbit Pancreas Dispersion Between 400 and 1000 nm

2021Journal article Open access
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dc.contributor.authorMartins, Inês
dc.contributor.authorSilva, Hugo
dc.contributor.authorTuchin, Valery
dc.contributor.authorOliveira, Luís
dc.date.accessioned2022-02-11T10:53:44Z
dc.date.available2022-02-11T10:53:44Z
dc.date.issued2021
dc.description.abstractCurrent biophotonics methods cover the entire optical spectrum from the deep ultraviolet to the terahertz. To optimize such methods for diagnostic and therapeutic applications, the need to obtain the wideband dispersion of tissues is high. The pancreas is a very important organ in the human body, since it produces insulin and its malfunction may induce diabetes. A reduced number of biophotonics publications regarding the pancreas is available, meaning that studies to determine its optical properties and their variation during optical clearing treatments are necessary. Considering this fact, we used the total internal reflection method to measure the refractive index of the rabbit pancreas for wavelengths between 400 and 850 nm. The experimental results allowed to calculate the pancreas dispersion with the Cauchy, Conrady and Cornu equations. It was observed that all those equations provided good data fitting in the spectral range of the measurements, but differences were observed outside these limits. Considering the wavelength of 633 nm, the mean value from the three dispersions was 1.3521, while the one published for porcine pancreas is 1.3517. The dispersion calculated with the Conrady equation does not present a fast decreasing behavior for shorter wavelengths as the ones calculated with the Cauchy and Cornu equations, but comparing these curves with a dispersion for a tissue-like material, all seem to have good agreement. © 2021 Journal of Biomedical Photonics & Engineeringpt_PT
dc.description.sponsorshipThis research was supported by the Portuguese grant FCT-UIDB/04730/2020. VVT was supported by RFBR grant 18-52-16025.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMartins, I., Silva, H., Tuchin, V.V., Oliveira, L. (2021) Estimation of rabbit pancreas dispersion between 400 and 1000 nm. J. Biomed. Phot. & Eng., vol. 7, no. 2, 020302.pt_PT
dc.identifier.doi10.18287/JBPE21.07.020303pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.22/19916
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSamara Universitypt_PT
dc.relationFCT-UIDB/04730/2020pt_PT
dc.relation18-52-16025pt_PT
dc.relation.publisherversionhttp://jbpe.ssau.ru/index.php/JBPE/article/view/3409pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectPancreas tissuept_PT
dc.subjectRefractive indexpt_PT
dc.subjectTotal internal reflectionpt_PT
dc.subjectTissue dispersionpt_PT
dc.titleEstimation of Rabbit Pancreas Dispersion Between 400 and 1000 nmpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue2pt_PT
oaire.citation.startPage020303pt_PT
oaire.citation.titleJournal of Biomedical Photonics & Engineeringpt_PT
oaire.citation.volume7pt_PT
person.familyNameMartins
person.familyNameDias Silva
person.familyNameOliveira
person.givenNameInês
person.givenNameHugo Filipe
person.givenNameLuís
person.identifier414820
person.identifier.ciencia-idEA11-E3A6-12CB
person.identifier.ciencia-idC312-F342-BD23
person.identifier.orcid0000-0003-2876-3686
person.identifier.orcid0000-0002-6065-4335
person.identifier.orcid0000-0003-0667-3428
person.identifier.ridB-7198-2017
person.identifier.scopus-author-id55853723900
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationb92cdee2-1e37-46f7-b392-4739075f273d
relation.isAuthorOfPublication8e49fbcc-e221-4c7a-aac3-48a2bba5d53a
relation.isAuthorOfPublication4e2de4d7-142a-400f-8dbf-cd0ff9551093
relation.isAuthorOfPublication.latestForDiscovery4e2de4d7-142a-400f-8dbf-cd0ff9551093

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