11. Examples of commonly used fluorophores are fluorescein or rhodamine. 12. Eosin B is a dibromo dinitro derivative of fluorescein . 13. More concentrated solutions of fluorescein can even appear red. 14. Eosin Y is a tetrabromo derivative of fluorescein . 15. A second method to prepare fluorescein uses methanesulfonic acid as a Br�nsted acid catalyst. 16. Fluorescein enters the ocular circulation from the internal carotid artery via the ophthalmic artery.17. Fluorescein staining before slit lamp examination may reveal corneal abrasions or herpes simplex infection.18. Fluorescein has an 6-FAM phosphoramidite.19. Fluorescein angiography uses injection of a fluorescein dye to image the back of the retina.20. Fluorescein angiography uses injection of a fluorescein dye to image the back of the retina.
