The 4th International Symposium on Isotopomers (ISI2008)

Odaiba, Tokyo, Japan, 5-8 October, 2008

1st Announcement

Dear Colleague,

This is the first announcement of the 4th International Symposium on Isotopomers (ISI 2008).

The 1st ISI was held in 2001 in Yokohama, Japan, the 2nd ISI in 2003 in Stresa, Italy, and the 3rd ISI in 2006 in La Jolla, USA. Thanks to the great effort and enthusiasm of the hosts, science and organizing committee members, and the attendants, the last 3 symposia were really successful. Now, we would like to announce that the 4th ISI will be held in Tokyo, Japan from 5th to 8th, Oct., 2008. You may find the archives of the URLs of those symposia at the following URL;

ISI 2008 and COE (Center of Excellence Program) International Symposium on Habitable Planet will be held from 27th, Sept. to 8th, Oct., 2008 at Odaiba, Tokyo.

The tentative schedule is as follows;

National Museum of Emerging Science and Innovation (Kagaku Miraikan in Japanese) will be the venue and it is located at Odaiba area, the Tokyo water front, and the information is found at URL;

Second announcement of the 4th ISI (ISI 2008) will be scheduled in Feb. 2008. The details of the ISI 2008 will be updated in the URL;

The details of the COE Symposium and its cosmo and geochemistry session will be announced and updated in the 21st Century COE program URL:

Background and Objectives:

Isotopes have been used to trace material cycles in the solar system, planets, atmosphere, oceans, terrestrial environment, the biosphere, and also inside of the living organisms. Research is now developing from the determination of the bulk content of a single isotope to multi-isotope, mass independent fractionation (MIF) of oxygen and sulfur isotopes, doubly substituted isotopomers, and site specific tracer analysis at the molecular level: these new approaches constitute the study of ISOTOPOMERS. The progress of several analytical techniques, such as Laser Ablation, Nuclear Magnetic Resonance (NMR), Continuous Flow - Isotopic Mass Spectrometry (CF-IRMS), Tunable Diode Laser Absorption Spectrometers (TDLAS) and others, permits these analysis; MIF, clumped isotopomers, site-specific analysis of isotopes at natural abundance level, thus providing invaluable information for a better understanding of biogeochemical processes occurring in nature. Site specific labeled isotopomers allow the study of biochemical mechanisms and pathways, the response of organisms to agents of chemical change and of metabolic networks. The study of isotopomers has an increasing number of applications in numerous scientific fields ranging from earth and planetary sciences, environmental studies (including global warming) to life sciences relevant to many areas of interests for human activities (agriculture, food authentication, pharmacology, health care etc.). Mass independent isotope and clumped isotopomer measurements have developed into a new field of applications, ranging from solar system evolution to paleo and present atmospheric chemistry.

The purpose of the Symposium is to look into the latest scientific achievements in the measurement and analysis of isotopomers, from the studies of planetary sciences to extended applications in environmental and life sciences including food authenticity and biomedical research. Mass independent chemical measurements and theory are also included. The Symposium will call for papers from a wide range of research on isotope-containing molecules with site-specific information and/or multi-isotopic measurements, as follows:

The papers to be presented at the Symposium will comprise invited papers, accepted oral and poster papers. In addition to more experienced researchers, the participation by younger generations of the isotope and/or isotopomer community as well as newcomers to the community is especially encouraged.

* We would appreciate it if you could send a copy of the announcement to the scientists who might be interested in the Symposium but have not received this announcement. Please let us know if you can nominate potential contributors to the Symposium.


Scientific Contents of the Symposium

Naohiro Yoshida

Ph.D. Prof., Department of Environmental Science and Technology

Interdisciplinary Graduate School of Science and Engineering

Tokyo Institute of Technology

G1-25, 4259 Nagatsuta, Midori-ku, Yokohama 226-8502, JAPAN

Phone +81-45-924-5506 (office), Fax +81-45-924-5143



Secretariat of the Symposium

Ms. Mitsuko Nishijima

A secretary to 21 COE and Dr. N. Yoshida

Department of Environmental Science and Technology

Interdisciplinary Graduate School of Science and Engineering

Tokyo Institute of Technology

G1-25, 4259 Nagatsuta, Midori-ku, Yokohama 226-8502, JAPAN

Phone +81-45-924-5506 (office), Fax +81-45-924-5143


When you have any inquiries, please do not hesitate to contact either Dr. Naohiro Yoshida or Ms. Mitsuko Nishijima.

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Last updated on 31 October 2008