Can I keep the fly's head in a freezer a month before isolate the pigments

Subject: Can I keep the fly's head in a freezer a month before isolate the pigments

Date: Fri Feb 25 02:48:17 2000
Posted by assya
Grade level: grad (science) School: No school entered.
City: vienna State/Province: No state entered. Country: austria
Area of science: Biochemistry
ID: 951468497.Bc

Message:


I am isolating eye colour pigments - red and brown from a fruit fly. I have 
thousands of flies for analysis, but all the methods are given for 
immediate isolation of the pigments. I want to know how I could preserve 
the heads so to avoid faint of the fluorescence? Thanks in advance

Re: Can I keep the fly's head in a freezer a month before isolate the pigments

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