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- From: JDB Science LLC <jdbscience@mac.com>
- Date: Thu, 20 Nov 2003 09:45:43 -0500
I suspect that the attached message may have gotten discarded if Dr. Katz is not a subscriber to sa_scat. I have decided to post it because I suspect that many people will find it interesting. I regret that I have not had the opportunity to follow up on thge message thread, but I think the matter is far from complete. I hope that we will soon see an in-depth publication on this matter. John Barnes List Moderator From: "Katz, J" <katzjl@umkc.edu> Date: November 20, 2003 9:18:09 AM EST To: "Discussion list for the Small-Angle Scattering community" <sa_scat@iucr.org>, "Claudio Ferrero" <ferrero@esrf.fr> Cc: <sa_scat-bounces@iucr.org>, "Spencer, Paulette" <SpencerP@umkc.edu> Subject: RE: helical ribbon Dear all, My M.S. in Physics (1951) at the then Polytechnic Institute of Brooklyn (now Polytechnic University) was on the, "Diffraction of X-rays by Helical Chains" under the supervision of Professor P. P. Ewald, Chairman of the Physics Department at that time; he was also on my Ph.D. (Physics) Committee at Poly; copies of my M.S. probably are available from Polytechnic University. It was never published, even though Professor Ewald was the Editor-in-Chief of Acta Crystallographica, as the English Editor had just accepted the Paper on Helical Diffraction by Crick, Cochran and Vand (the order may be wrong). My solution also involves Bessel Functions as did theirs as well as does the one described in the below E-mail; that's why Crick knew how to interpret Rosalind Franklin's DNA x-ray pictures. Jurg Waser, a colleague of Linus Pauling at Cal Tech, also worked on the problem and also was scooped by the Crick et al. Paper. I have since gone on to other research areas, but am still interested in corresponding with researchers interested in Helical Diffraction. Regards, Larry Katz J. Lawrence Katz, Ph.D. Distinguished Research Professor of Biomedical Engineering & Oral Biology Co-Director, UMKC Center for Research on Interfacial Structure & Properties (UMKC-CRISP) University of Missouri-Kansas City 650 East 25th Street Kansas City, MO 64108-2784 E-mail: <katzjl@umkc.edu> Phone: 816/235-2066; FAX: 816/235-5524 _______________________________________________ sa_scat mailing list sa_scat@iucr.org http://scripts.iucr.org/mailman/listinfo/sa_scat
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