If your antibodies are labeled with quantum dots and you strip the antibodies (e.g. with low pH) you will no longer have labeled targets in your tissue. Not clear if you understood this from your post. Message: 2 Date: Sun, 30 Oct 2011 11:58:19 -0700 From: "Claire Weston" <cweston <@t> valasciences.com> Subject: Re: [Histonet] Stripping antibodies