Search: (L773:0007 0920 OR L773:1532 1827) srt2:(1990-1994) >
Laser-induced fluor...
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Alian, Wael A,1970Gothenburg University,Göteborgs universitet,Institutionen för särskilda specialiteter, Avdelningen för öron, näs- och halssjukdomar,Institute of Selected Clinical Sciences, Department of Otolaryngology
(author)
Laser-induced fluorescence studies of meso-tetra(hydroxyphenyl)chlorin in malignant and normal tissues in rats.
- Article/chapterEnglish1994
Publisher, publication year, extent ...
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Springer Science and Business Media LLC,1994
Numbers
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LIBRIS-ID:oai:gup.ub.gu.se/67869
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https://gup.ub.gu.se/publication/67869URI
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https://lup.lub.lu.se/record/2257160URI
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https://doi.org/10.1038/bjc.1994.414DOI
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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meso-Tetra(hydroxyphenyl)chlorin (mTHPC) is an attractive second-generation dihydroporphyrin photosensitiser for use in photodynamic therapy. In this study, 1.3 mg kg-1 body weight mTHPC was administered intravenously, and laser-induced fluorescence was used to characterise and compare its localisation and retention in different rat tissues, including an induced experimental adenocarcinoma, 24 h and 48 h post injection. These studies were performed in an attempt to predict the anatomical locations where mTHPC PDT might be most effective and suggest suitable injection--irradiation intervals in each case. Of particular interest were the intra-abdominal and intrathoracic tissues. The fluorescence was induced at 405 nm and the fluorescence spectrum in the region 450-750 nm was analysed. All collected spectra were dominated by the fluorescence signature of mTHPC with its peak at 652 nm, and all values in this study are in terms of background-free drug-specific fluorescence intensity at that wavelength. The photosensitiser accumulated in high concentrations in the tumour and the reticuloendothelial system. Muscular organs, such as the heart and the abdominal wall, were characterised by a low drug fluorescence signature.
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Andersson-Engels, StefanLund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)fysi-san
(author)
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Svanberg, KatarinaLund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)onk-ksv
(author)
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Svanberg, SuneLund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)fysi-ssv
(author)
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Göteborgs universitetInstitutionen för särskilda specialiteter, Avdelningen för öron, näs- och halssjukdomar
(creator_code:org_t)
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In:British journal of cancer: Springer Science and Business Media LLC70:5, s. 880-50007-09201532-1827
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