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1

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Increased expression of the potential proapoptotic molecule DD2 and increased synthesis of leukotriene B4 during allograft rejection in a marine sponge (2000)

Wiens, M ; Krasko, A ; Blumbach, B ; [weitere]

Springer Nature

In: Cell Death and Differentiation. 2000; 7(5): 461-469. Published 2000 Apr 28. doi: 10.1038/sj.cdd.4400671.

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Publikationsdatum: 2000-04-28

Print ISSN: 1350-9047

Digitale ISSN: 1476-5403

Thema: Biologie , Medizin

Publiziert von Springer Nature

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2

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Regression of human metastatic renal cell carcinoma after vaccination with tumor cell–dendritic cell hybrids (2000)

Kugler, Alexander ; Stuhler, Gernot ; Walden, Peter ; [weitere]

Springer Nature

In: Nature Medicine. 2000; 6(3): 332-336. Published 2000 Mar 01. doi: 10.1038/73193.

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Publikationsdatum: 2000-03-01

Print ISSN: 1078-8956

Digitale ISSN: 1546-170X

Thema: Biologie , Medizin

Publiziert von Springer Nature

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3

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TNF down-regulation of receptor tyrosine kinase-dependent mitogenic signal pathways as an important step in cytostasis induction and commitment to apoptosis of Kym-1 rhabdomyosarcoma cells (2000)

Storz, Peter ; Döppler, Heike ; Horn-Müller, Judith ; [weitere]

Springer Nature

In: Cell Death and Differentiation. 2000; 7(10): 955-965. Published 2000 Sep 28. doi: 10.1038/sj.cdd.4400732.

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Publikationsdatum: 2000-09-28

Print ISSN: 1350-9047

Digitale ISSN: 1476-5403

Thema: Biologie , Medizin

Publiziert von Springer Nature

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4

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Expression of silicatein and collagen genes in the marine sponge Suberites domuncula is controlled by silicate and myotrophin (2000)

Krasko, Anatoli ; Lorenz, Bernd ; Batel, Renato ; [weitere]

Wiley

In: European Journal of Biochemistry. 2000; 267(15): 4878-4887. Published 2000 Aug 01. doi: 10.1046/j.1432-1327.2000.01547.x.

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Publikationsdatum: 2000-08-01

Print ISSN: 0014-2956

Digitale ISSN: 1432-1033

Thema: Biologie , Chemie und Pharmazie , Medizin

Publiziert von Wiley im Namen von Federation of European Biochemical Societies.

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5

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The Haloboration of Tri-tert-butylazadiboriridine NB2R3: Ring Opening versus NB3 Cluster Formation (2000)

Müller, M. ; Müller, J. ; Paetzold, P. ; [weitere]

Wiley

In: ZAAC - Zeitschrift für Anorganische und Allgemeine Chemie. 2000; 626(6): 1349-1360. Published 2000 Jun 01. doi: 10.1002/(sici)1521-3749(200006)626:6〈1349::aid-zaac1349〉3.0.co;2-q.

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Publikationsdatum: 2000-06-01

Print ISSN: 0044-2313

Digitale ISSN: 1521-3749

Thema: Chemie und Pharmazie

Publiziert von Wiley

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6

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The mitogen-activated protein kinase p38 pathway is conserved in metazoans: Cloning and activation of p38 of the SAPK2 subfamily from the sponge Suberites domuncula* (2000)

Böhm, Markus ; Schröder, Heinz C. ; Müller, Isabel M. ; [weitere]

Wiley

In: Biology of the Cell. 2000; 92(2): 95-104. Published 2000 Apr 01. doi: 10.1016/s0248-4900(00)89017-6.

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Publikationsdatum: 2000-04-01

Print ISSN: 0248-4900

Digitale ISSN: 1768-322X

Thema: Biologie

Publiziert von Wiley

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7

Digitale Medien

First order magnetization processes in Nd(Fe, M)12Cy compounds (M=V, Ti, Mo) (2000)

Yang, Jinbo ; Oleinek, Ph. ; Müller, K.-H.

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 87 (2000), S. 5278-5280

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ISSN: 1089-7550

Quelle: AIP Digital Archive

Thema: Physik

Notizen: Magnetization measurements on Nd(Fe, M)12Cy (M=Ti, V, Mo) with ThMn12-type structure have revealed well developed first order magnetization processes (FOMPs) when an external field is applied perpendicular to the c axis. The FOMPs depend on carbon concentration, temperature, and the type of M element. The FOMPs appear at a certain carbon concentration and at temperatures below 150–100 K. The FOMP fields of NdFe12−xVxCy are independent of the V content in the range x=1.25–2.0, which is due to the small change of the anisotropy field within this range. No FOMP has been found in the nitrides of the same parent alloys. The evaluation of the crystal field (CF) parameters shows that the higher-order CF parameters of the Nd ions play a key role in producing the observed type-II FOMP. The temperature dependence of the FOMPs is due to the thermal evolution of the anisotropy constants Ki (i=1,2,3) of the carbides. © 2000 American Institute of Physics.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1063/1.373320

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8

Digitale Medien

Magnetization processes in two different types of anisotropic, fully dense NdFeB hydrogenation, disproportionation, desorption, and recombination magnets (2000)

Gutfleisch, O. ; Eckert, D. ; Schäfer, R. ; [weitere]

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 87 (2000), S. 6119-6121

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ISSN: 1089-7550

Quelle: AIP Digital Archive

Thema: Physik

Notizen: Two types of textured, fully dense NdFeB hydrogenation, disproportionation, desorption, and recombination (HDDR) magnets were produced. The first type was produced by hot pressing isotropic HDDR powder followed by die upsetting; the second, by hot pressing prealigned, anisotropic HDDR powder (MQA-T). Studies of the magnetization processes revealed that for isotropic HDDR powder and its hot pressed and die-upset magnets a much larger initial susceptibility is found after thermal demagnetization than after reverse dc-field demagnetization. Prealigned, hot pressed magnets made from MQA-T material showed a different virgin magnetization curve, indicating a unique coercivity mechanism. Interaction domains larger than the average grain size can be observed in both cases by Kerr microscopy, with the MQA-T type showing significantly broader interaction domains. © 2000 American Institute of Physics.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1063/1.372628

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9

Digitale Medien

Scaling properties of three-dimensional isotropic magnetohydrodynamic turbulence (2000)

Biskamp, Dieter ; Müller, Wolf-Christian

[S.l.] : American Institute of Physics (AIP)

Physics of Plasmas 7 (2000), S. 4889-4900

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ISSN: 1089-7674

Quelle: AIP Digital Archive

Thema: Physik

Notizen: A comprehensive picture of three-dimensional (3D) isotropic magnetohydrodynamic (MHD) turbulence is presented based on the first 5123-mode numerical simulations performed. Both temporal and spatial scaling properties are studied. For finite magnetic helicity H the energy decay is governed by the constancy of H and the decrease of the ratio of kinetic and magnetic energy Γ=EK/EM. A simple model consistent with a series of simulation runs predicts the asymptotic decay laws E∼t−1/2, EK∼t−1. For nonhelical MHD turbulence, H(similar, equals)0, the energy decays faster, E∼t−1. The energy spectrum follows a k−5/3 law, clearly steeper than k−3/2 previously found in 2D MHD turbulence. The scaling exponents of the structure functions are consistent with a modified She–Leveque model ζpMHD=p/9+1−(1/3)p/3, which corresponds to a basic Kolmogorov scaling and sheet-like dissipative structures. The difference between the 3D and the 2D behavior can be related to the eddy dynamics in 3D and 2D hydrodynamic turbulence. © 2000 American Institute of Physics.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1063/1.1322562

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10

Digitale Medien

Role of iron in lithium-niobate crystals for the dark-storage time of holograms (2000)

Nee, I. ; Müller, M. ; Buse, K. ; [weitere]

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 88 (2000), S. 4282-4286

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ISSN: 1089-7550

Quelle: AIP Digital Archive

Thema: Physik

Notizen: The dark decay of holograms stored in iron-doped photorefractive lithium-niobate crystals is studied for samples containing up to 0.25 wt% Fe2O3 (iron concentration 71×1018 cm−3). The oxidation/reduction state of the crystals, i.e., the concentration ratio of Fe2+ and Fe3+ ions, is changed in a wide range by thermal annealing. The dark decay is attributed to two effects: An ionic dark conductivity arising from mobile protons and an electronic dark conductivity caused by tunneling of electrons between iron sites. The latter is proportional to the effective trap density, i.e., to the density of charge carriers which can be moved between the iron sites. The proportionality factor is the specific dark conductivity which increases exponentially with the third root of the entire iron concentration. © 2000 American Institute of Physics.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1063/1.1289814

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