Video: Koj tswj hwm fluorescein li cas?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Ntxig koob thiab kos tus neeg mob cov ntshav mus rau lub hub ntawm lub syringe; pom cov pa me me npuas hauv lub raj. Maj mam txhaj cov ntshav rov qab rau hauv cov hlab ntshav thaum saib cov tawv nqaij; yog tias daim tawv nqaij paug pom ntawm lub ntsis taub, nres qhov kev txhaj tshuaj ua ntej tshuaj fluorescein yog txhaj.
Kuj nug, fluorescein siv rau dab tsi?
Fluorescein feem ntau yog fluorophore siv hauv microscopy, nyob rau hauv ib hom kev zas xim laser raws li qhov nruab nrab nce, hauv kev tshawb fawb thiab kev tshawb fawb txhawm rau txhawm rau txheeb xyuas cov ntshav ntshav tsis tu ncua, thiab hauv kev zas xim. Fluorescein Nws muaj qhov nqus siab tshaj plaws ntawm 494 nm thiab emission siab tshaj plaws ntawm 512 nm (hauv dej).
Tsis tas li ntawd, cov kev mob tshwm sim ntawm fluorescein yog dab tsi? Cov kev mob tshwm sim ntawm Fluorescite muaj xws li:
- xeev siab,
- ntuav,
- chim plab,
- mob taub hau,
- qaug zog,
- ntshav siab (hypotension),
- hypersensitivity tshua,
- plawv nres,
Yog li ntawd, fluorescein yog ua los ntawm dab tsi?
Fluorescein yog cov organic sib txuas uas tau siv dav raws li cov khoom siv hluavtaws xim. Nws yog npaj los ntawm cua sov phthalic anhydride thiab resorcinol tshaj zinc catalyst, thiab nws crystallizes raws li ib tug sib sib zog nqus liab hmoov.
Ua li cas fluorescein angiography ua tiav?
Angiography ntawm Fluorescein . Fluorescein Angiography (FA) yog txheej txheem kuaj mob uas siv lub koob yees duab tshwj xeeb los sau cov ntshav ntws hauv RETINA - cov ntaub so ntswg ntawm lub qhov muag tom qab. Koj ob lub qhov muag yuav dilated ua ntej tus txheej txheem. Fluorescein zas yog txhaj rau hauv cov hlab ntshav ntawm caj npab/tes.
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