Not sure because for that designation to be used there have to be 2 equal groups and Oil Red O has 4 benzene rings and in 2 of them there are 4 methyl groups in "para" position so I doubt that the "O" is for "ortho". rené J.
________________________________ From: "Goins, Tresa" <tgo...@mt.gov> To: "Grantham, Andrea L - (algranth)" <algra...@email.arizona.edu> Cc: HISTONET <histonet@lists.utsouthwestern.edu> Sent: Monday, September 9, 2013 4:11 PM Subject: RE: [Histonet] Oil red O May be the position of the active group on the benzene ring - "ortho" vs. "meta" vs. "para" ? -----Original Message----- From: histonet-boun...@lists.utsouthwestern.edu [mailto:histonet-boun...@lists.utsouthwestern.edu] On Behalf Of Grantham, Andrea L - (algranth) Sent: Monday, September 09, 2013 2:06 PM Cc: HISTONET Subject: Re: [Histonet] Oil red O Rene, You still have not answered the question - what does the "O" stand for? Andrea Grantham, HT (ASCP) Senior Research Specialist University of Arizona Cellular and Molecular Medicine Histology Service Laboratory P.O.Box 245044 Tucson, AZ 85724 algra...@email.arizona.edu<mailto:algra...@email.arizona.edu> Tel: 520.626.4415 Fax: 520.626.2097 _______________________________________________ Histonet mailing list Histonet@lists.utsouthwestern.edu http://lists.utsouthwestern.edu/mailman/listinfo/histonet _______________________________________________ Histonet mailing list Histonet@lists.utsouthwestern.edu http://lists.utsouthwestern.edu/mailman/listinfo/histonet _______________________________________________ Histonet mailing list Histonet@lists.utsouthwestern.edu http://lists.utsouthwestern.edu/mailman/listinfo/histonet
