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how does formalin compare to wardsafe or carasafe?

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how does formalin compare to wardsafe or carasafe?

Postby cartwrighta » Thu Apr 14, 2005 11:00 pm

I believe the carasafe is 50% stock.

Will they all work as long term perservatives? I'm looking to preserve numerous chicken embryos in various stages of development.

Thank you.
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Postby b_d_41501 » Thu Jun 02, 2005 7:47 pm

Fixation involves the chemical alteration of protein to prevent breakdown. Dilute formalin solutions are most effective as fixatives. Preservation is the process of maintaining the state of fixation. Formalin-free "holding solutions" like WardSafe are good for preservation.
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