Sure: You could put an ammonium salt in your drop, or alternatively a carbonate, and make the well (after you set up the experiment) a pH different from the drop. Then, by loss of NH3 or CO2, your pH will slowly change over time until it is equal the pH of the reservoir. Mark -----Original Message----- From: [EMAIL PROTECTED] To: [email protected] Sent: Mon, 4 Dec 2006 12:08 PM Subject: [ccp4bb]: Decrease pH in xtal drop? *** For details on how to be removed from this list visit the ***
*** CCP4 home page http://www.ccp4.ac.uk *** Hi Just a quick question.. for doign hanging drop, is there anyway that we can decrease the pH of the drops on a (somewhat) controlled way, say over a period of couple of weeks? Thanks Andrew ________________________________________________________________________ Check Out the new free AIM(R) Mail -- 2 GB of storage and industry-leading spam and email virus protection.
