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DOI: 10.1055/s-2005-858030
© Georg Thieme Verlag KG Stuttgart · New York
Substanzen zur Anfärbung von biologischem Gewebe - Farbstoffe in der Ophthalmologie
Substances for Staining Biological Tissues: Use of Dyes in OphthalmologyPublication History
Publication Date:
21 April 2005 (online)
Zusammenfassung
In der Ophthalmologie werden seit den 80er-Jahren der Azofarbstoff Trypanblau und der Cyaninfarbstoff Indocyaningrün für die Einfärbung der Vorderkapsel bei Kataraktoperationen und das Anfärben von epiretinalen Membranen zum Entfernen der Membrana limitans interna (ILM) eingesetzt. Mittels eines standardisierten In-vitro-Tests nach DIN EN ISO 10993 konnte gezeigt werden, dass beide Farbstoffe und theoretisch denkbare Alternativen - das Anthrachinon Alizarincyaningrün und die Tritylfarbstoffe Echtgrün und Lissamingrün - in den üblichen Konzentrationen von maximal 1,5 g/l zytotoxisch sind. Demgegenüber ist das neue Produkt Blueron® mit dem Tritylfarbstoff Patentblau, das für die Vorderkapselfärbung entwickelt wurde, auch bei einer höheren Dosierung von bis zu 2,8 g/l völlig biokompatibel.
Abstract
The azo dye trypan blue and the cyanine dye indocyanine green have been used in ophthalmology since the 1980 s to dye the anterior capsule in cataract operations and to stain epiretinal membranes in order to remove the membrana limitans interna (ILM). By means of a standardized in vitro test in accordance with DIN EN ISO 10993, it has now been shown that both dyes and the theoretically possible alternatives - the anthrachinone alizarincyanine green and the trityl dyes fast green and lissamine green - are cytotoxic in the normal concentrations of maximum 1.5 g/l. On the other hand, the new product Blueron® with the trityl dye patent blue, which has been developed to dye the anterior capsule, is completely biocompatible, even at a high dosage of up to 2.8 g/l.
Schlüsselwörter
Patentblau - Trypanblau - Indocyaningrün - Zytotoxizität - Kapsulorhexis - ILM-Peeling
Key words
Patent blue - trypan blue - indocyanine green - cytotoxicity - capsulorhexis - ILM peeling
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Dr. Wilfried Hiebl
Fluoron GmbH
Biberkopfweg 1
89231 Neu-Ulm
Email: hiebl@fluoron.de