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European journal of ophthalmology

1-Octadecene as a solvent for ferrofluids for intraocular use.


PMID 9352285

Abstract

1-Octadecene is a hydrocarbon with one double bond in its structure that could serve as a solvent for ferrofluids. The aim of this pilot study was to obtain preliminary information on intraocular tolerance to 1-octadecene. Vitreous compression with perfluoropropane gas was achieved in 20 eyes of albino rabbits. Four days after gas injection a fluid-gas exchange was undertaken. Sixteen eyes received 1-octadecene. Four eyes received balanced salt solution. Eyes were obtained at 3, 7, 14 and 30 days. The samples were fixed in 10% buffered formalin, processed in paraffin and sections were stained with hematoxylin and eosin. Emulsification of the oil bubble was observed in 31.25% of the cases by the fifth day; light microscopy showed normal retinal architecture in all the eyes and epiretinal and vitreous macrophages in 50% of the eyes. 1-Octadecene does not appear to have any retinal cytotoxic effect but elicits an inflammatory response in the vitreous activity.

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74738
1-Octadecene, analytical standard
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