physiologigal buffers at pH 2-5?

Dima Klenchin klenchin at
Thu Sep 13 19:00:32 EST 2001

In article <20010913145827.19281.qmail at>, mholper at wrote:
>Hi all,
>I'd like to do some acid resistance studies on Toxoplasma gondii and would
>need a suitable buffer system that is buffering at around pH 2 to 5 to
>incubate my parasites for 30 min max (room temperature). Of course, this
>buffer would have to be physiological as I don't want to disrupt them right
>away. Any suggestions?

Lots. Phosphate, Citrate, Succinate, Acetate cover your range very nicely.

        - Dima

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