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Dear Dr. Barnes:
      The day before yesterday, I gave the lecture on Polymer 
Crystallography for graduated students.  During this lecture, just I 
explained the Fourier Transform of Helical Polymer: C. C. V. equation. 
Where I showed this e-mail.  The students were much interesting in the 
competition in the formulation of FourierTransform of Helical Polymer. 
This type of competition were found in many fields of science and in every time.

With kindest regards

Sincerely yours
  Yasuhiro Takahashi

@@@@@@@@@@@@@@@@@@@@@@@@@@
Yasuhiro TAKAHASHI
Department of Macromolecular Science
Graduate School of  Science
Osaka University
Toyonaka, Osaka 560-0043, Japan
tel & fax: 816-6850-5454
e-mail: taka98@chem.sci.osaka-u.ac.jp
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At 09:45 03/11/20 -0500, you wrote:
>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
>
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