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PubMed2000

Preparation, Structure, and Redox Reactions of Nine-Membered Cyclic Peroxides: A Novel Electrochromic System Undergoing Reversible Extrusion and Trapping of O(2) This work was supported by the Ministry of Education, Science, and Culture, Japan (No. 10146101). Financial support by the Izumi Science and Technology Foundation and by a Research Grant from the Iwatani Naoji Foundation (T.S.) are gratefully acknowledged. J.N. thanks JSPS Research Fellowships for Young Scientists. We thank Prof. Tamotsu Inabe (Hokkaido University) for the use of facilities to analyze the X-ray structures. Technical support by Mr. Kenji Watanabe and Dr. Eri Fukushi (GC-MS & NMR Laboratory, Faculty of Agriculture, Hokkaido University) is gratefully acknowledged.

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PubMed2000

A view on the science: physical anthropology at the millennium

EDITOR'S NOTE The year 2000 marks the onset of the 21(st) century. In this transitional year, prominent physical anthropologists will provide brief reflections on our discipline, including what attracted them to it, and their views on the directions our discipline may pursue as we enter, in January 2001, the third millennium. Copyright 2000 Wiley-Liss, Inc.

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PubMed2000

First Experimental Observation on Different Ionic States of both Methylthio (CH(3)S(.)) and Methoxy (CH(3)O(.)) Radicals This research was supported by the National Natural Science Foundation of China, Contract No. 29 673 049. M.F.G. gratefully acknowledges the support of the K. C. Wong Education Foundation, Hong Kong. X.J.Z., Z.S., and J.W. would like to thank the Chinese Academy of Sciences for receipt of scholarships over the period of this work.

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PubMed2000

A Dodecanuclear Copper(II) Cage Containing Phosphonate and Pyrazole Ligands This work was supported by a grant from the Department of Science and Technology (DST), New Delhi (V.C.). V.C. is also grateful to the Homi Bhabha Fellowship Council for a fellowship. We thank the DST for funding the National Facility for X-ray Crystallography at the Indian Institute of Technology, Kanpur. We thank Prof. Dr. P. K. Bharadwaj for his help in the data collection and X-ray analysis, and Prof. Dr. A. R. Chakravorthy, Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, India for the magnetic measurements on 1.

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PubMed2000

A Designed beta-Hairpin Containing a Natural Hydrophobic Cluster This research was supported by the National Science Foundation (CHE-9820952). J.F.E. was supported by a fellowship from the Ministerio de Educacion y Cultura (Spain) and the Fulbright Commission. The mass spectrometer was purchased in part with a National Science Foundation grant (CHE-9520868), and the NMR spectrometers were purchased in part with a National Institute Of Health grant (1 S10 RR04981). The CD spectrometer and analytical ultracentrifuge are part of the UW Biophysics Instrumentation Facility (NSF BIR-9512577).

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PubMed2000

Photoregulation of the DNA Polymerase Reaction by Oligonucleotides Bearing an Azobenzene We should like to thank Professor Kazunari Taira for valuable comments. This work was partially supported by the Grant-in-Aid for Scientific Research from the Ministry of Education, Science, and Culture, Japan (Molecular Synchronization for Design of New Materials System). The support of the grant from the "Research for the Future" Program of the Japan Society for the Promotion of Science (JSPS-RFTF97I00301) is also acknowledged.

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PubMed2000

A Porous Crystalline Molecular Solid Explored by Hyperpolarized Xenon We thank the Italian Ministry of Universities and Scientific Research (PRIN program) for financial support. The research with laser-polarized xenon was supported by the Director, Office of Energy Research, Office of Basic Energy Science, Materials Sciences Division of the U.S. Department of Energy. T.M. thanks the Alexander von Humboldt Foundation for a Feodor Lynen Fellowship.

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PubMed2000

The First Solid-Phase Synthesis of a Peptide-Tethered Platinum(II) Complex This research was supported by the Council for Chemical Sciences of The Netherlands Organization for Scientific Research (CW-NWO) and by The Netherlands Foundation for Technical Sciences (STW). Support and sponsorship by COST Action D8/00097 (biocoordination chemistry) is kindly acknowledged. The authors thank Johnson & Matthey (Reading, UK) for their generous loan of K(2)PtCl(4).

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PubMed2000

Asymmetric Alkylation of Nitroalkanes We thank the National Science Foundation and the National Institutes of Health (NIH), General Medical Sciences, for their generous support of our programs. Rhône-Poulenc graciously provided a postdoctoral fellowship for J.-P. S. Mass spectra were provided by the Mass Spectrometry Facility of the University of California, San Francisco, supported by the NIH Division of Research Resources.

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PubMed2000

Experimental Observation of Pentaatomic Tetracoordinate Planar Si- and Ge-Containing Molecules: MAl(4)(-) and MAl(4) The theoretical work was done at Utah State University and supported by the donors of The Petroleum Research Fund (ACS-PRF no. 35255-AC6), administered by the American Chemical Society. The experimental work was supported by the National Science Foundation (DMR-9622733) and was performed at the W. R. Wiley Environmental Molecular Sciences Laboratory, a national scientific user facility sponsored by DOE's Office of Biological and Environmental Research and located at Pacific Northwest National Laboratory, which is operated for DOE by Battelle Memorial Institute. L.S.W. is an Alfred P. Sloan Foundation Research Fellow. M=Si, Ge.

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PubMed2000

Model Studies towards Diazonamide A: Synthesis of the Heterocyclic Core We thank Dr. D. H. Huang, Dr. G. Suizdak, and Dr. R. Chadha for NMR spectroscopic, mass spectrometric, and X-ray crystallographic assistance, respectively. We also thank Professor R. H. Grubbs for a generous gift of catalyst 30. Financial support for this work was provided by The Skaggs Institute for Chemical Biology, the National Institutes of Health (USA), a predoctoral fellowship from the National Science Foundation (S.A.S.), postdoctoral fellowships from the Alfred Benzons Foundation and the Danish Natural Science Research Council (K.B.S.), and grants from Abbott, Amgen, ArrayBiopharma, Boehringer-Ingelheim, GlaxoWellcome, Hoffmann-LaRoche, DuPont, Merck, Novartis, Pfizer, and Schering Plough.

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