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Beschreibung: The anomalous magnetic moment of the muon is one of the most precisely measured quantities in experimental particle physics. Its latest measurement at Brookhaven National Laboratory deviates from the Standard Model expectation by approximately 3.5 standard deviations. The goal of the new experiment, E989, now under construction at Fermilab, is a fourfold improvement in precision. Here, we discuss the details of the future measurement and its current status.

Print ISSN: 0047-2689

Digitale ISSN: 1529-7845

Thema: Chemie und Pharmazie , Physik

Publiziert von American Institute of Physics (AIP)

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Predictability of biomass burning in response to climate changes (2012)

A.-L. Daniau, P. J. Bartlein, S. P. Harrison, I. C. Prentice, S. Brewer, P. Friedlingstein, T. I. Harrison-Prentice, J. Inoue, K. Izumi, J. R. Marlon, S. Mooney, M. J. Power, J. Stevenson, W. Tinner, M. Andrič, J. Atanassova, H. Behling, M. Black, O. Blarquez, K. J. Brown, C. Carcaillet, E. A. Colhoun, D. Colombaroli, B. A. S. Davis, D. D'Costa, J. Dodson, L. Dupont, Z. Eshetu, D. G. Gavin, A. Genries, S. Haberle, D. J. Hallett, G. Hope, S. P. Horn, T. G. Kassa, F. Katamura, L. M. Kennedy, P. Kershaw, S. Krivonogov, C. Long, D. Magri, E. Marinova, G. M. McKenzie, P. I. Moreno, P. Moss, F. H. Neumann, E. Norström, C. Paitre, D. Rius, N. Roberts, G. S. Robinson, N. Sasaki, L. Scott, H. Takahara, V. Terwilliger, F. Thevenon, R. Turner, V. G. Valsecchi, B. Vannière, M. Walsh, N. Williams and Y. Zhang

Wiley

In: Global Biogeochemical Cycles

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Publikationsdatum: 2012-10-23

Beschreibung: Climate is an important control on biomass burning, but the sensitivity of fire to changes in temperature and moisture balance has not been quantified. We analyze sedimentary charcoal records to show that the changes in fire regime over the past 21,000 yrs are predictable from changes in regional climates. Analyses of paleo- fire data show that fire increases monotonically with changes in temperature and peaks at intermediate moisture levels, and that temperature is quantitatively the most important driver of changes in biomass burning over the past 21,000 yrs. Given that a similar relationship between climate drivers and fire emerges from analyses of the interannual variability in biomass burning shown by remote-sensing observations of month-by-month burnt area between 1996 and 2008, our results signal a serious cause for concern in the face of continuing global warming.

Print ISSN: 0886-6236

Digitale ISSN: 1944-9224

Thema: Biologie , Chemie und Pharmazie , Geographie , Geologie und Paläontologie , Physik

Publiziert von Wiley im Namen von American Geophysical Union (AGU).

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Development of new methods in modern selective organic synthesis: preparation of functionalized molecules with atomic precision (2014)

Ananikov, V P ; Khemchyan, L L ; Ivanova, Yu V ; [weitere]

Institute of Physics

In: Russian Chemical Reviews. 2014; 83(10): 885-985. Published 2014 Oct 31. doi: 10.1070/rc2014v83n10abeh004471.

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Publikationsdatum: 2014-10-31

Print ISSN: 0036-021X

Digitale ISSN: 1468-4837

Thema: Chemie und Pharmazie

Publiziert von Institute of Physics

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Synthesis of Large Area Two-Dimensional MoS2 Films by Sulfurization of Atomic Layer Deposited MoO3 Thin Film for Nanoelectronic Applications (2019)

Romanov, R. I. ; Kozodaev, M. G. ; Myakota, D. I. ; [weitere]

American Chemical Society

In: ACS Applied Nano Materials. 2019; 2(12): 7521-7531. Published 2019 Nov 18. doi: 10.1021/acsanm.9b01539.

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Publikationsdatum: 2019-11-18

Digitale ISSN: 2574-0970

Thema: Chemie und Pharmazie

Publiziert von American Chemical Society

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Structures and reaction mechanisms of the two related enzymes, PurN and PurU (2013)

Sampei, G.-i., Kanagawa, M., Baba, S., Shimasaki, T., Taka, H., Mitsui, S., Fujiwara, S., Yanagida, Y., Kusano, M., Suzuki, S., Terao, K., Kawai, H., Fukai, Y., Nakagawa, N., Ebihara, A., Kuramitsu, S., Yokoyama, S., Kawai, G.

Oxford University Press

In: Journal of Biochemistry

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Publikationsdatum: 2013-12-03

Beschreibung: The crystal structures of glycinamide ribonucleotide transformylases (PurNs) from Aquifex aeolicus ( Aa ), Geobacillus kaustophilus ( Gk ) and Symbiobacterium toebii ( St ), and of formyltetrahydrofolate hydrolase (PurU) from Thermus thermophilus ( Tt ) were determined. The monomer structures of the determined PurN and PurU were very similar to the known structure of PurN, but oligomeric states were different; Aa PurN and St PurN formed dimers, Gk PurN formed monomer and PurU formed tetramer in the crystals. PurU had a regulatory ACT domain in its N-terminal side. So far several structures of PurUs have been determined, yet, the mechanisms of the catalysis and the regulation of PurU have not been elucidated. We, therefore, modelled ligand-bound structures of PurN and PurU, and performed molecular dynamics simulations to elucidate the reaction mechanisms. The evolutionary relationship of the two enzymes is discussed based on the comparisons of the structures and the catalytic mechanisms.

Print ISSN: 0021-924X

Digitale ISSN: 1756-2651

Thema: Biologie , Chemie und Pharmazie

Publiziert von Oxford University Press im Namen von The Japanese Biochemical Society (JBS).

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