


IUCr activities
The XVII Congress update

The XVII Congress and General Assembly of the International Union of Crystallography will be held in Seattle, Washington, USA, August 8-17, 1996. The Congress has the endorsement of the US National Academy of Sciences, the National Research Council and is sponsored, in part, by the American Crystallographic Association. The support of a growing list of commercial sponsors is greatly appreciated as it will make it possible to enhance the quality of the scientific program. Information about the Congress venue and program and four satellite meetings (Powder Diffraction, Synchrotron Radiation, Computing School and Neutron Scattering) appears in Vol. 2, No. 3, pp. 5-9 and Vol. 2, No. 4, p. 16 of the IUCr Newsletter and can also be found on the ACA home page on WWW at URL: http://www.hwi.buffalo.edu/ACA
Call for papers - November 1995
The Call for Papers will be either included in or posted with Vol. 3, No. 4 of the IUCr Newsletter in November 1995 and placed on the ACA home page of the WWW. The deadline for abstract submission will be February 1, 1996.
Topics and categories
The list of Congress program categories and topics that appeared in the Vol. 2, No. 3 IUCr Newsletter was essentially the same as the list from the Beijing meeting. An ad hoc subcommittee of the US National Committee for Crystallography, chaired by D. Cox, has proposed a significant revision to the structure of the list of categories and topics that will impact upon the Congress format and content. The new list of categories and topics appears in Table 1. Principal revisions concern aspects of the program dealing with material science and applied crystallography. As formulated in Table 1, the organization of category 10 parallels that of topic 3, Crystallography of Biological Macromolecules. The new category 10 outlines major areas of application that will help better define the program.
In order to more effectively implement this revision of the program, IUCr President Philip Coppens has authorized the appointment of two additional members to the Program Committee for the Congress, Dave Cox and James Jorgensen, members of the USNCCr subcommittee that proposed the revisions.
David. E Cox
Physics Dept. 510B, Brookhaven National Lab., Upton, NY 11973-5000, USA. Tel.: 516-282-3818, FAX: 516-282-2739. e-mail: cox@bnlx7a.nsls.bnl.gov
James D. Jorgensen
Matls Science Div., Bldg. 223, Argonne National Lab., Argonne IL 60439, USA. Tel.: 708-252-5513, FAX: 708-252-7777. e-mail:jorgensen@anlpns
The full list of Program Committee members appears in Vol. 2, No.3 of the IUCr Newsletter.
May 10, 1995 - proposal deadline
A schedule of important dates appears in Table 2. Of immediate relevance is the May 10, 1995 deadline for receipt of suggestions from YOU for plenary lectures, sessions, topics, chairs, and speakers. This is your opportunity to shape the program to see to it that areas of crystallography you consider most important receive the attention you think they deserve. Address your suggestions to any member of the Program Committee with a copy to the Program Committee Chairman, W. L. Duax, who is charged with the responsibility to collate all suggestions and distribute them to all members of the Committee for the purpose of deliberation, debate, discussion, and final decision.
Plenary lectures
In order to highlight the many exciting new advances in theory, instrumentation, and applications of X-ray, neutron, and electron diffraction that have occurred since the last IUCr Congress, there will be at least ten plenary lectures presented at the 1996 meeting in Seattle. Topics and speakers will be chosen from the suggestions now being received by program committee members. The final selection will be made early in 1995. There are certain to be plenary lectures on rational drug design based upon macromolecular crystallography, structural and physical properties of advanced materials, and new advances from synchrotron, neutron, and electron diffraction.
Visas
The IUCr meeting will be held in accordance with the principle of the universality of science upheld by the International Council of Scientific Unions (ICSU). This principle entails freedom of association, expression, information, communication, and movement in connection with international scientific activities, without any discrimination on the basis of such factors as citizenship, religion, creed, political stance, ethnic origin, race, color, language, age, or sex.

Please contact the US embassy or consulate in your country early to determine if you will need a visa. You will probably need a business visa rather than a tourist visa. If you intend to visit countries other than the USA during your trip, attach an itinerary with your visa application. For instance, if you plan to visit Canada in the course of your travel, you will need to get a multiple entry visa. The Congress announcement will be sufficient invitation in most cases. However, if you encounter visa difficulties or you are told you need a personalized letter of invitation to accompany your visa, request it before January 31, 1996 from the Congress's organizing committee by contacting J. L. Flippen-Anderson, Code 6030, Naval Research Lab., Washington, D. C., USA (flippen@roentgen.nrl.navy.mil).
The organizing committee is composed of R. Bryan (Chair), W.L. Duax, D. Duchamp, D. Eggleston, J. Flippen-Anderson, S. N. Rao and R. Stenkamp.
Table 1. Revised Congress Program Categories and Topics
01 - Instrumentation and Experimental Techniques |
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a. Conventional and Synchrotron Sources of X-rays |
b. Electron Diffraction |
c. Neutron Diffraction |
d. Area Detectors |
e. Other |
02 - Methods for Structure Determination |
a. Powder |
b. Direct Methods/Maximum Entropy |
c. Anomalous Dispersion/MAD |
d. Laue/Time Resolved |
e. EXAFS/XANES |
f. NMR |
g. Other |
03 - Computers in Computational Modelling, Analyses and Molecular Design |
a. Programs for Refinement and Analysis |
b. Graphics |
c. Drug Design |
d. Materials Design |
04 - Biological Macromolecules |
a. Enzymes |
b. Metalloproteins |
c. Muscle Proteins |
d. Nucleic Acids |
e. Protein-Nucleic Acid Interactions |
f. Protein-Saccharide Interactions |
g. Protein Folding |
h. Cryocrystallography |
i. Proteins of the Immune System |
j. Receptor and Signal Transducing Proteins |
k. Viruses and Viral Proteins |
l. Macromolecular Assemblies |
m. Drug Design |
n. Protein Design and Engineering |
o. Other Proteins |
05 - Biological Small Molecules |
a. Peptides |
b. CNS Agents |
c. Antibiotics |
d. Steroids |
e. Other Natural Products |
f. Other Synthetics |
06 - Organic Compounds |
a. Sugars |
b. Lipids |
c. Alkaloids |
d. Other Fused Rings |
e. Other |
07 - Organometallic and Coordination Compounds |
a. Single Metal Ion |
b. Two or More Metal Ions |
c. Metal Clusters |
d. Molecular Recognition Complexes |
08 - Inorganic Compounds |
09 - Minerals |
10 - Material Science |
a. Superconductivity |
b. Electronic Materials |
c. Catalysis |
d. Fullerenes |
e. Noncrystalline Materials |
f. Ceramics, Glass, Amorphous, Quasiperiodic Structures |
g. Materials at Nonambient Conditions |
h. Polymers |
i. Thin Films |
j. Residual Stress |
k. Technique-oriented Topics |
11 - Charge, Spin, and Momentum Density |
12-Diffraction Physics and Optics |
13 - Crystal Growth |
a. Industrial |
b. Materials |
c. Twinning |
d. Polymorphism |
e. Protein |
14-Symmetry and its Generalizations |
15 - Data Bases and Communications |
16 - Crystallographic Teaching and the History of Crystallography |
17 - Other Topics |
Table 2. Timetable for Matters Related to the Program
Spring 1995 |
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Solicit proposal for topics, speakers, etc., from program committee members, National Committees, Commission Chairs and the entire crystallographic community. |
May 10, 1995 |
Deadline For Proposals Concerning Meeting Content |
July 23-28, 1995 |
Meeting of members of Program Committee present at the ACA Annual Meeting in Montreal. |
August 1, 1995 |
All information concerning satellite meetings, local arrangements, housing, tours, and transportation is due in the Buffalo office for inclusion in the Call for Papers. |
August 2-4, 1995 |
Program Subcommittee to meet with the Executive Committee of the IUCr at ECM Meeting in Lund, Sweden. |
September 1, 1995 |
Deadline to finalize all meeting related materials (plenary speakers, microsymposia topics and chairs, etc.) for inclusion in the Call for Papers. |
November 1995 |
The Call for Papers appears in or is posted with the IUCr Newsletter, Vol. 3, No. 4 and is placed on the ACA home page on WWW. |
February 1, 1996 |
Abstract Deadline. |
June 1996 |
Program preview appears in IUCr Newsletter, Vol. 4, No. 2. |
June 30, 1996 |
Preregistration Deadline. |
August 8-17, 1996 |
XVII Congress and General Assembly of the IUCr. |
XVII Congress sponsors
- BLAKE INDUSTRIES
- BOEHRINGER INGELHEIM, INC.
- BRISTOL-MYERS SQUIBB PHARMACEUTICAL RESEARCH INST.
- CHARLES SUPPER COMPANY
- E.I. DUPONT
- ENRAF-NONIUS CORP.
- GLAXO RESEARCH LABORATORIES
- HAMPTON RESEARCH
- MERCK RESEARCH LABORATORIES
- MOLECULAR STRUCTURE CORP.
- MONSANTO
- PROCTER & GAMBLE
- RIGAKU INTERNATIONAL CORPORATION
- SIEMENS ANALYTICAL INSTRUMENTS
- SMITHKLlNE BEECHAM PHARMACEUTICALS
- THE UPJOHN COMPANY