Importance

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Abstract

A liquid dehydrating agent suitable for treating histological and cytological tissue in the processing thereof for microscopic examination, consisting essentially of a blend of between 30 and 45 percent by volume of methyl alcohol and between 70 and 55 percent by volume of isopropyl alcohol, the total constituting 100 percent, preferably wherein the amount of isopropyl alcohol is about 60 percent and the amount of methyl alcohol is about 40 percent by volume, and a method of treating histological or cytological tissue to dehydrate the same after fixation thereof, comprising immersing the tissue in such a liquid dehydrating agent, as well as a method of treating histological or cytological tissue after preservation or fixation thereof to dehydrate the same, comprising the step of immersing the tissue in such a liquid dehydrating agent and water, and repeating the procedure with successively diminishing amounts of water, and a method of hydrating histological or cytological tissue comprising the step of subjecting the tissue to a mixture of water and such a liquid dehydrating agent preferably by repeating the step with successively increasing amounts of water, staining the hydrated tissue, and then dehydrating the stained tissue by subjecting it to the same dehydrating agent, are disclosed.

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First Claim