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1Latest Papers from Table of Contents or Articles in PressJohannes M Braun, Harald Schneider, Manfred Helm, Rafał Mirek, Lynn A Boatner, Robert E Marvel, Richard F Haglund Jr and Alexej Pashkin
Institute of Physics (IOP)
Published 2018Staff ViewPublication Date: 2018-08-03Publisher: Institute of Physics (IOP)Electronic ISSN: 1367-2630Topics: PhysicsPublished by: -
2Latest Papers from Table of Contents or Articles in PressE. D. Jarvis ; S. Mirarab ; A. J. Aberer ; B. Li ; P. Houde ; C. Li ; S. Y. Ho ; B. C. Faircloth ; B. Nabholz ; J. T. Howard ; A. Suh ; C. C. Weber ; R. R. da Fonseca ; J. Li ; F. Zhang ; H. Li ; L. Zhou ; N. Narula ; L. Liu ; G. Ganapathy ; B. Boussau ; M. S. Bayzid ; V. Zavidovych ; S. Subramanian ; T. Gabaldon ; S. Capella-Gutierrez ; J. Huerta-Cepas ; B. Rekepalli ; K. Munch ; M. Schierup ; B. Lindow ; W. C. Warren ; D. Ray ; R. E. Green ; M. W. Bruford ; X. Zhan ; A. Dixon ; S. Li ; N. Li ; Y. Huang ; E. P. Derryberry ; M. F. Bertelsen ; F. H. Sheldon ; R. T. Brumfield ; C. V. Mello ; P. V. Lovell ; M. Wirthlin ; M. P. Schneider ; F. Prosdocimi ; J. A. Samaniego ; A. M. Vargas Velazquez ; A. Alfaro-Nunez ; P. F. Campos ; B. Petersen ; T. Sicheritz-Ponten ; A. Pas ; T. Bailey ; P. Scofield ; M. Bunce ; D. M. Lambert ; Q. Zhou ; P. Perelman ; A. C. Driskell ; B. Shapiro ; Z. Xiong ; Y. Zeng ; S. Liu ; Z. Li ; B. Liu ; K. Wu ; J. Xiao ; X. Yinqi ; Q. Zheng ; Y. Zhang ; H. Yang ; J. Wang ; L. Smeds ; F. E. Rheindt ; M. Braun ; J. Fjeldsa ; L. Orlando ; F. K. Barker ; K. A. Jonsson ; W. Johnson ; K. P. Koepfli ; S. O'Brien ; D. Haussler ; O. A. Ryder ; C. Rahbek ; E. Willerslev ; G. R. Graves ; T. C. Glenn ; J. McCormack ; D. Burt ; H. Ellegren ; P. Alstrom ; S. V. Edwards ; A. Stamatakis ; D. P. Mindell ; J. Cracraft ; E. L. Braun ; T. Warnow ; W. Jun ; M. T. Gilbert ; G. Zhang
American Association for the Advancement of Science (AAAS)
Published 2014Staff ViewPublication Date: 2014-12-17Publisher: American Association for the Advancement of Science (AAAS)Print ISSN: 0036-8075Electronic ISSN: 1095-9203Topics: BiologyChemistry and PharmacologyComputer ScienceMedicineNatural Sciences in GeneralPhysicsKeywords: Animals ; Avian Proteins/genetics ; Base Sequence ; Biological Evolution ; Birds/classification/*genetics ; DNA Transposable Elements ; Genes ; Genetic Speciation ; *Genome ; INDEL Mutation ; Introns ; *Phylogeny ; Sequence Analysis, DNAPublished by: -
3Latest Papers from Table of Contents or Articles in PressGunnar S. Bali, Vladimir M. Braun, Benjamin Gläßle, Meinulf Göckeler, Michael Gruber, Fabian Hutzler, Piotr Korcyl, Andreas Schäfer, Philipp Wein, and Jian-Hui Zhang
American Physical Society (APS)
Published 2018Staff ViewPublication Date: 2018-11-17Publisher: American Physical Society (APS)Print ISSN: 0556-2821Electronic ISSN: 1089-4918Topics: PhysicsKeywords: Lattice field theories, lattice QCDPublished by: -
4Latest Papers from Table of Contents or Articles in PressStaff View
Publication Date: 2012-01-17Publisher: American Association for the Advancement of Science (AAAS)Print ISSN: 0036-8075Electronic ISSN: 1095-9203Topics: BiologyChemistry and PharmacologyComputer ScienceMedicineNatural Sciences in GeneralPhysicsKeywords: Animals ; Arabidopsis/*metabolism ; Arabidopsis Proteins/*metabolism ; Humans ; Membrane Transport Proteins/*metabolism ; Phloem/*metabolism ; Sucrose/*metabolismPublished by: -
5Latest Papers from Table of Contents or Articles in PressM. Knobloch ; S. M. Braun ; L. Zurkirchen ; C. von Schoultz ; N. Zamboni ; M. J. Arauzo-Bravo ; W. J. Kovacs ; O. Karalay ; U. Suter ; R. A. Machado ; M. Roccio ; M. P. Lutolf ; C. F. Semenkovich ; S. Jessberger
Nature Publishing Group (NPG)
Published 2012Staff ViewPublication Date: 2012-12-04Publisher: Nature Publishing Group (NPG)Print ISSN: 0028-0836Electronic ISSN: 1476-4687Topics: BiologyChemistry and PharmacologyMedicineNatural Sciences in GeneralPhysicsKeywords: Adult Stem Cells/cytology/*metabolism ; Animals ; Cell Proliferation ; Dentate Gyrus/metabolism ; Fatty Acid Synthases/deficiency/genetics/*metabolism ; Gene Expression Profiling ; Hippocampus/cytology/metabolism ; *Lipogenesis ; Malonyl Coenzyme A/metabolism ; Mice ; Mice, Transgenic ; Neural Stem Cells/cytology/*metabolism ; Neurogenesis ; Nuclear Proteins/genetics/metabolism ; Transcription Factors/genetics/metabolismPublished by: -
6Latest Papers from Table of Contents or Articles in PressVaibhav, K., Braun, M., Khan, M. B., Fatima, S., Saad, N., Shankar, A., Khan, Z. T., Harris, R. B. S., Yang, Q., Huo, Y., Arbab, A. S., Giri, S., Alleyne, C. H., Vender, J. R., Hess, D. C., Baban, B., Hoda, M. N., Dhandapani, K. M.
Rockefeller University Press
Published 2018Staff ViewPublication Date: 2018-10-02Publisher: Rockefeller University PressPrint ISSN: 0022-1007Electronic ISSN: 1540-9538Topics: MedicineKeywords: Neuroinflammation, Innate Immunity and Inflammation, NeurosciencePublished by: -
7Articles: DFG German National LicensesBraun, M. W. H. ; Kong, H. S. ; Glass, J. T. ; Davis, R. F.
[S.l.] : American Institute of Physics (AIP)
Published 1991Staff ViewISSN: 1089-7550Source: AIP Digital ArchiveTopics: PhysicsNotes: We report the methods and results of a theoretical study of the diamond-cubic boron nitride [BNcub] heteroepitaxial system. We introduce a general, geometric reciprocal space technique for evaluating candidate epitaxial configurations, and a novel system of essentially geometric criteria to order them from most to least likely to occur. In the diamond- BNcub system, it is found that low index like planes require a relatively small strain of 1.37% from bulk parameters. The unlike epitaxial configuration which pairs diamond{100} with BNcub{221} and yields two-dimensional coincidence with the same strain is favored above other low index mixed configurations. The essentially geometric nature of this epitaxial system is highlighted.Type of Medium: Electronic ResourceURL: -
8Articles: DFG German National LicensesStenzel, Ch. ; Braun, M. ; Krass, C. ; Mayer, H.-G.
[S.l.] : American Institute of Physics (AIP)
Published 1993Staff ViewISSN: 1089-7623Source: AIP Digital ArchiveTopics: PhysicsElectrical Engineering, Measurement and Control TechnologyNotes: The development and the test results of an electron-beam furnace for the later utilization in a microgravitational environment are reported. By just varying the deflection pattern by means of the electron-optical components two reference profiles, a gradient profile with a maximum slope of 220 K/cm, and a hot zone profile with a zone temperature of 1520 K could be established and maintained. A beam power of 550 W had to be applied to a sample made of massive Ta for the gradient profile, for creating a hot zone profile an input power of only 250 W onto a sample with a ceramic core was sufficient. A continuous pyrometric measurement system with a high local and time resolution has been realized. By temperature sensing of the sample with this system an intrinsic feature of electron-beam heating could be directly observed, the sharply localized energy deposition at the sample surface.Type of Medium: Electronic ResourceURL: -
9Articles: DFG German National LicensesJäger-Waldau, R. ; Stücheli, N. ; Braun, M. ; Lux Steiner, M. ; Bucher, E. ; Tenne, R. ; Flaisher, H. ; Kerfin, W. ; Braun, R. ; Koschel, W.
[S.l.] : American Institute of Physics (AIP)
Published 1988Staff ViewISSN: 1089-7550Source: AIP Digital ArchiveTopics: PhysicsNotes: The electronic properties of thin CdSe films prepared through physical vapor transport were investigated using photoluminescence (PL) and electronic measurements. The films were studied at each of the main preparation steps, i.e., evaporation, annealing, etching, and finally photoetching. At 3 K two distinct donor-acceptor (DA) transitions at 1.75 and 1.70 eV were found in the photoluminescence spectra in addition to deep states at about 1.55 eV at 20 K. These DA transitions which are produced mainly during the evaporation might be associated with group VII and with alkali metal impurities. After each preparation step the DA transitions change their intensities. It is shown that photoetching of the films leads to a removal of the deep centers, while the 1.75 eV transition is blue shifted. In contrast with single-crystal CdSe the intensity of the PL increases after photoetching. The results of the PL are consistent with the electronic measurements. They are explained in terms of a previously published model.Type of Medium: Electronic ResourceURL: -
10Articles: DFG German National LicensesMladenov, G. M. ; Braun, M. ; Emmoth, B. ; Biersack, J. P.
[S.l.] : American Institute of Physics (AIP)
Published 1985Staff ViewISSN: 1089-7550Source: AIP Digital ArchiveTopics: PhysicsNotes: Depth distributions of energy dissipation and implantation ranges in the polymer resist polymethyl methacrylate (PMMA) have been calculated by using the TRIM computer code. The relevance of such calculations to experimentally obtained data in connection with ion-beam lithography is discussed. It is concluded that the result of the computer simulations may be of value in order to explain the responsible mechanism for the modification (solubility, erosion rate) of a resist material due to ion irradiation. Experimental results of PMMA erosion during ion irradiation are also presented, showing a strong relationship between the erosion and electronic stopping.Type of Medium: Electronic ResourceURL: -
11Articles: DFG German National LicensesStaff View
ISSN: 1468-2982Source: Blackwell Publishing Journal Backfiles 1879-2005Topics: MedicineNotes: This study presents the first account of the prevalence of headache syndromes, defined according to the International Headache Society criteria, in a large representative sample of the German population; 5000 persons representative of the total population were selected from 30,000 households. Subjects were requested to answer a questionnaire about headache occurrence during their lifetime. The completion rate was 81.2%. Seventy-one point four percent (n = 2902) reported a history of headache. Twenty-seven point five percent fulfilled the criteria for migraine. Thirty-eight point three percent (n = 1557) met the criteria for tension-type headache and 5.6% (n = 229) did not fulfil criteria for either migraine or tension-type headache. Significant correlations were found between the prevalence of the different headache syndromes and sociodemographic variables such as sex, age and place of residence. The prevalence of headache did not exhibit any significant differences between the various länder (states or regions) of Germany. When extrapolated to the total population these results reveal that 54 million people in Germany suffer from headache at least occasionally or persistently. These findings suggest that the magnitude of the neurological disorders, migraine and tension-type headache, is seriously underestimated and thus constitutes a major contemporary health problem.Type of Medium: Electronic ResourceURL: -
12Articles: DFG German National LicensesStaff View
ISSN: 1089-7623Source: AIP Digital ArchiveTopics: PhysicsElectrical Engineering, Measurement and Control TechnologyNotes: We have developed a novel photofragment spectrometer to investigate the fragmentation of neutral molecules into two, three, and more neutral fragments. The parent molecules are laser prepared in a fast beam. The photofragments are detected in coincidence by a time- and position-sensitive detector which consists of multichannel plates and delay line anodes. We have developed new electronic pulse routers which allow us to measure consecutive fragment hits with dead times as low as a few nanoseconds. A new algorithm has been developed to determine for each triple hit the momentum vectors of the three fragments from the measured arrival time differences and positions. To demonstrate the performance of the spectrometer, we have investigated two- and three-body decay processes of laser-prepared triatomic hydrogen molecules H3 into H+H2 fragment pairs as well as into three hydrogen atoms H(1s)+H(1s)+H(1s). For two-body decay of vibrationless H3 3s2A1′(N=1, K=0), we have found that the resolution in the kinetic energy release spectra is far better than that achieved in previous investigations. With the new spectrometer, kinematically complete investigations of the breakup of a neutral molecule into three neutral fragments have been performed. The final state distributions in the three body decay of laser-prepared H3 molecules show pronounced structures which give insight into the complex molecular decay mechanisms. © 2000 American Institute of Physics.Type of Medium: Electronic ResourceURL: -
13Articles: DFG German National LicensesIdiotypic Determinants in Alloantigen Receptors I. Role in a Leucocyte Migration Inhibition ReactionBRAUN, M. ; SZTEIN, M. B. ; SATZ, M. L. ; JASNIS, M. A. ; SAAL, F.
Oxford, UK : Blackwell Publishing Ltd
Published 1979Staff ViewISSN: 1365-3083Source: Blackwell Publishing Journal Backfiles 1879-2005Topics: MedicineNotes: An anti-idiotypic serum was prepared by injecting BALB anti-AKR serum into (BALB × AKR)F1 mice. Pretreatment of BALB anti-AKR immune cells with this anti-idiotypic serum plus complement abrogated a leucocyte migration inhibition reaction (LMIR) against AKR extracts but not against purified protein derivative. By itself, the serum induced LMIR in immune cells but not in normal cells. The reaction was strain-specific and anti-Thy 1,2 plus complement sensitive. These results indicate that alloantigen receptors, able to trigger an LMIR in immune cells, have idiotypic determinants similar to those of circulating antibodies of the same specificity. Thus the LMIR is a good model for the study of receptors in cell-mediated immune reactions of primed cells.Type of Medium: Electronic ResourceURL: -
14Articles: DFG German National LicensesStaff View
ISSN: 1089-7690Source: AIP Digital ArchiveTopics: PhysicsChemistry and PharmacologyNotes: We consider the ultrashort pulse excitation of molecules within bound electronic states. Using ultraviolet (UV) electronic and intense pulse infrared (IR)-excitation as numerical examples we compare the approximative Gaussian wave packet (GWP)-method applied to the coherent excitation of molecules to numerically exact solutions of the time-dependent Schrödinger equation. The results imply that the short-time vibrational dynamics of molecules upon femtosecond excitation can be described accurately within the GWP-method. This especially holds for the calculation of femtosecond pump/probe signals, which are much less sensitive to the errors of the method than the wave function is. © 1998 American Institute of Physics.Type of Medium: Electronic ResourceURL: -
15Articles: DFG German National LicensesMüller, U. ; Braun, M. ; Reichle, R. ; Salzgeber, R. F.
College Park, Md. : American Institute of Physics (AIP)
Published 1998Staff ViewISSN: 1089-7690Source: AIP Digital ArchiveTopics: PhysicsChemistry and PharmacologyNotes: We investigated the vibrational energies in the 2p 2A2″ and 3d 2E″ states of the triatomic deuterium molecule D3. The experiments were performed using a fast neutral beam photoionization spectrometer recently developed at Freiburg. A depletion type optical double-resonance scheme using two pulsed dye lasers was applied. The measured vibrational frequencies of the 2p 2A2″ state of D3 are compared to those of H3 and to theoretical values calculated from an ab initio potential energy surface. The data give insight into the importance of the coupling between the valence electron and the ion core. © 1998 American Institute of Physics.Type of Medium: Electronic ResourceURL: -
16Articles: DFG German National LicensesMüller, U. ; Majer, U. ; Reichle, R. ; Braun, M.
College Park, Md. : American Institute of Physics (AIP)
Published 1997Staff ViewISSN: 1089-7690Source: AIP Digital ArchiveTopics: PhysicsChemistry and PharmacologyNotes: We report first investigations of high principal quantum number Rydberg states of the neutral triatomic deuterium molecule. The experiments were performed using a fast neutral beam photoionization spectrometer recently developed at Freiburg. A fast beam of metastable D3 molecules was created by charge transfer of a D3+ beam in cesium. Rydberg states of D3 were analyzed by pulsed-laser excitation using two-photon resonance-enhanced ionization, electric field ionization and autoionization. Our data identify the 2p 2A2″(N=K=0) state of D3 to be metastable with a lifetime of about 1 μs. The spectral lines following excitation in the ultraviolet spectral range were assigned to s-type and d-type Rydberg-series converging to vibrational ground state, symmetric stretch excited and degenerate mode excited D3+ ion states. By a combination of vibrationally diagonal and non-diagonal transitions, we determined the ionization potential, the symmetric stretch and degenerate mode vibrational frequencies of the 2p 2A2″ state in D3. The data give insight into the influence of the coupling between the Rydberg electron and the ion core on the potential energy surface. © 1997 American Institute of Physics.Type of Medium: Electronic ResourceURL: -
17Articles: DFG German National LicensesStaff View
ISSN: 1089-7690Source: AIP Digital ArchiveTopics: PhysicsChemistry and PharmacologyNotes: We report on two different crystalline phases of tris(8-hydroxyquinoline) aluminum (Alq3) which were obtained by thermal sublimation in a horizontal glass tube. These phases are investigated by x-ray powder diffraction, Raman and infrared spectroscopy, and low temperature photoluminescence measurements. Apart from the already known α phase we could identify a new crystalline phase of Alq3 (δ-Alq3) showing blueshifted fluorescence. As compared to the α phase this new phase is characterized by a larger unit cell volume, a reduced number of Raman lines in the energy range between 70 and 700 cm−1, a blueshift of the photoluminescence maximum by about 0.2 eV, and a decreased intersystem crossing to the triplet state. These differences are interpreted in terms of the isomery of the Alq3 molecule. It is supposed that the new phase contains the facial isomer, whereas in the other phases only the meridianal isomer was reported. Low temperature photoluminescence spectra show a well-resolved vibronic progression with about the same spacing of 550 cm−1 for both crystalline phases of Alq3. Site-selective photoluminescence measurements reveal the existence of an additional redshifted featureless emission, which is ascribed to energy relaxation into low-lying states. © 2001 American Institute of Physics.Type of Medium: Electronic ResourceURL: -
18Articles: DFG German National LicensesPommerien, W ; Braun, M ; Idstrom, JP ; Wrangstadh, M ; Londong, W
Oxford, UK : Blackwell Science Ltd
Published 1996Staff ViewISSN: 1365-2036Source: Blackwell Publishing Journal Backfiles 1879-2005Topics: MedicineNotes: BACKGROUND: Omeprazole with amoxycillin has been used to treat Helicobacter pylori infection. It was speculated that omeprazole- induced hypoacidity enhances the antibacterial activity of amoxycillin. Limited information exists about intragastric pH and bioavailability of amoxycillin during combination therapy. No data are available about possible effects of the antibiotic on the pharmacokinetics and pharmacodynamics of omeprazole. METHODS: The study was performed in a three-way cross-over double-blind design. After a run-in period on placebo with a baseline intragastric pH-metry, 24 H. pylori-positive healthy subjects were randomly dosed with amoxycillin 750 mg b.d. + placebo, amoxycillin 750 mg b.d. + omeprazole 40 mg b.d. and omeprazole 40 mg b.d. + placebo for 5 days. On the last day of each regimen intragastric pH-metries were performed, and blood samples taken for omeprazole and amoxycillin serum profiles. RESULTS: Amoxycillin monotherapy had no acid-inhibiting effect. Median pH during combined dosing was significantly lower, compared to omeprazole monotherapy (P 〈 0.01). Mean serum concentrations of omeprazole and amoxycillin given alone or in combination were not different. CONCLUSIONS: High-dose omeprazole does not alter the pharmacokinetics of amoxycillin. The significantly lower intragastric pH during combination therapy might be due to the H. pylori-suppressive effect of this treatment.Type of Medium: Electronic ResourceURL: -
19Articles: DFG German National LicensesBäumer, W. ; Seegers, U. ; Braun, M. ; Tschernig, T. ; Kietzmann, M.
Oxford, UK : Blackwell Science Ltd
Published 2004Staff ViewISSN: 1365-2133Source: Blackwell Publishing Journal Backfiles 1879-2005Topics: MedicineNotes: Background Skin-infiltrating T cells play a predominant role in allergic and inflammatory skin diseases such as atopic dermatitis and allergic contact dermatitis. These T cells are attracted by chemotactic factors, e.g. RANTES (regulation on activation, normal T cell expressed and secreted; CCL5), TARC (thymus and activation regulated chemokine; CCL17) and CTACK (cutaneous T-cell attracting chemokine; CCL27).Objectives To investigate which T-cell-attracting chemokines are involved in allergic contact dermatitis in mice.Methods Allergic contact dermatitis was induced by application of dinitrochlorobenzene (DNCB) or toluene-2,4-diisocyanate (TDI), and chemokine concentrations were determined by enzyme-linked immunosorbent assay. The effects on chemokine concentrations of the highly selective phosphodiesterase 4 inhibitor cilomilast and the glucocorticoid diflorasone diacetate were studied in mouse ears.Results RANTES and TARC were elevated in both models of allergic contact dermatitis 24 h after challenge, whereas CTACK remained unchanged. The increase in RANTES was diminished in mouse ears pretreated with cilomilast or diflorasone diacetate. TARC was reduced by diflorasone diacetate in the DNCB model but was highly induced in the TDI model; in contrast, TARC was not influenced by cilomilast.Conclusions TARC and RANTES, but not CTACK, are involved in these two models of allergic contact dermatitis.Type of Medium: Electronic ResourceURL: -
20Articles: DFG German National LicensesMoszer, I. ; Albertini, A. M. ; Alloni, G. ; Azevedo, V. ; Bertero, M. G. ; Bessières, P. ; Bolotin, A. ; Borchert, S. ; Borriss, R. ; Boursier, L. ; Brans, A. ; Braun, M. ; Brignell, S. C. ; Bron, S. ; Brouillet, S. ; Bruschi, C. V. ; Caldwell, B. ; Capuano, V. ; Carter, N. M. ; Choi, S.-K. ; Codani, J.-J. ; Connerton, I. F. ; Cummings, N. J. ; Daniel, R. A. ; Denizot, F.
[s.l.] : Macmillan Magazines Ltd.
Published 1997Staff ViewISSN: 1476-4687Source: Nature Archives 1869 - 2009Topics: BiologyChemistry and PharmacologyMedicineNatural Sciences in GeneralPhysicsNotes: [Auszug] Bacillus subtilis is the best-characterized member of the Gram-positive bacteria. Its genome of 4,214,810 base pairs comprises 4,100 protein-coding genes. Of these protein-coding genes, 53% are represented once, while a quarter of the genome corresponds to several gene families that have been ...Type of Medium: Electronic ResourceURL: