From owner-dros@hgmp.mrc.ac.uk Mon Mar 19 17:29:57 2001 Return-Path: Received: from localhost (localhost [127.0.0.1]) by mercury.hgmp.mrc.ac.uk (Postfix) with ESMTP id AC1E917B14 for ; Mon, 19 Mar 2001 17:29:55 +0000 (GMT) Received: from localhost (localhost [127.0.0.1]) by mercury.hgmp.mrc.ac.uk (Postfix) with ESMTP id EA37017B10 for ; Mon, 19 Mar 2001 17:29:48 +0000 (GMT) Received: by mercury.hgmp.mrc.ac.uk (Postfix, from userid 6020) id 07A1717B15; Mon, 19 Mar 2001 17:29:39 +0000 (GMT) Received: from localhost (localhost [127.0.0.1]) by mercury.hgmp.mrc.ac.uk (Postfix) with ESMTP id C5A3217B70 for ; Mon, 19 Mar 2001 15:53:06 +0000 (GMT) Received: by mercury.hgmp.mrc.ac.uk (Postfix, from userid 60001) id A73F917B0C; Mon, 19 Mar 2001 15:52:51 +0000 (GMT) To: bionet-drosophila@net.bio.net From: scott.rifkin@yale.edu (Scott Rifkin) Newsgroups: bionet.drosophila Subject: Clearing Chorions with Halocarbon Oil Organization: BIOSCI/MRC Human Genome Mapping Project Resource Centre Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Received: from localhost (localhost [127.0.0.1]) by mercury.hgmp.mrc.ac.uk (Postfix) with ESMTP id 4366517B72 for ; Mon, 19 Mar 2001 15:52:48 +0000 (GMT) X-Received: from pantheon-po01.its.yale.edu (pantheon-po01.its.yale.edu [130.132.143.32]) by mercury.hgmp.mrc.ac.uk (Postfix) with ESMTP id E34B917B6F for ; Mon, 19 Mar 2001 15:52:20 +0000 (GMT) X-Received: from minerva.its.yale.edu (sar38@minerva.its.yale.edu [130.132.52.7]) by pantheon-po01.its.yale.edu (8.8.8/8.8.8) with ESMTP id KAA07491 for ; Mon, 19 Mar 2001 10:52:18 -0500 (EST) X-Received: from localhost (sar38@localhost) by minerva.its.yale.edu (8.9.3+Sun/8.9.3) with ESMTP id KAA13262 for ; Mon, 19 Mar 2001 10:52:13 -0500 (EST) X-Authentication-Warning: minerva.its.yale.edu: sar38 owned process doing -bs X-X-Sender: X-To: Date: Mon, 19 Mar 2001 17:29:39 +0000 (GMT) Sender: owner-dros@hgmp.mrc.ac.uk Precedence: bulk I've seen several offhand remarks that embryo chorions can be cleared using halocarbon oil. Is this true and, if so, what is a protocol for doing so? Thanks Scott Rifkin --- .