From owner-drosophila@net.bio.net Tue Mar 05 22:00:00 1996 Path: biosci!daresbury!bioftp.unibas.ch!infobiogen.fr!jussieu.fr!oleane!tank.news.pipex.net!pipex!newsfeed.internetmci.com!newsxfer2.itd.umich.edu!newsxfer.itd.umich.edu!news.mtu.edu!msunews!netnews.upenn.edu!dsinc!ub!acsu.buffalo.edu!gupta From: gupta@acsu.buffalo.edu (Vijay Gupta) Newsgroups: bionet.drosophila Subject: Help : K currents from Drosophila embryonic neurons Date: 6 Mar 1996 21:56:15 GMT Organization: UB Lines: 35 Message-ID: <4hl1lv$47p@azure.acsu.buffalo.edu> NNTP-Posting-Host: conciliator.acsu.buffalo.edu NNTP-Posting-User: gupta Hi ! I am recording potassium currents from Drosophila embryonic neurons, and have some technical queries. Is it easy to go into the whole cell mode of voltage clamp without getting any leak currents? I find that the probability of getting a good current is very low in this system. I want to know if this generally happens while recording potassium currents from this system. Can anyone tell me the success rate of recording potassium currents from these neurons? IS observing a high leak common in these cells? How long can the currents be recorded from these cells in the whole cell mode? Can anyone send me a good embryonic culture protocol? IS there a procedure to obtain isolated neurons other than using cytochalasin/chemically enriched medium? Your help will be greatly appreciated. I am posting this from a friend's account so could you please reply to me at khanna@acsu.buffalo.edu Thanks Bye Ashish .