Tytuł artykułu
Autorzy
Wybrane pełne teksty z tego czasopisma
Identyfikatory
Warianty tytułu
Lasers in medicine, particularly for tumors treatment
Języki publikacji
Abstrakty
The paper describes fundamental mechanisms of laser radiation interaction with biological tissue and resulting possibilities of lasers application in medicine. An idea of photo dynamic therapy (PDT) is also presented. This therapy consists in selective oxidation of biological material of tumor tissue by singlet oxygen or radical forms. These factors are generated by molecular oxygen dissolved in cells and exogenously introduced photosensitiser that is better cumulated in diseased tissues than in healthy ones as well as by the light of adequate power and wavelength matched to absorption bands of a sensitiser. It allows for selection of tumor tissues and their destroying with simultaneous protection of the healthy ones. Also presented is the method of tumors detection by means of laser induced fluorescence (LIF), i.e. registration of spectra of areas having various fluorescence. These spectra appear under influence of incident radiation that excites adequate fluorising sensitisers (fluorophores) contained in a biological material. Changes in emission spectra of tumor tissues result from qualitative and quantitative difference of fluorophores in an organism. These changes are the basis for analysis of a state of biological tissue in diagnosis of artherosclerosis, nephrolithiasis, and urolithiasis, and especially of early-stage tumors.
Wydawca
Czasopismo
Rocznik
Tom
Strony
16--21
Opis fizyczny
Bibliogr. 8 poz.,Rys., wykr.,
Twórcy
autor
autor
autor
- Instytut Optoelektroniki, Wojskowa Akademia Techniczna, Warszawa
Bibliografia
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BAT2-0001-2042
JavaScript jest wyłączony w Twojej przeglądarce internetowej. Włącz go, a następnie odśwież stronę, aby móc w pełni z niej korzystać.