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  • 1
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    Influence of deep Louann structure on the evolution of the northern Gulf of Mexico (2013)
    American Association of Petroleum Geologists (AAPG)
    Details
    Publication Date: 2013-10-04
    Description: Three aspects of basement structure and rift-related salt distribution have especially influenced the evolution of the deep-water northern Gulf of Mexico: (1) creation of a basement high (Toledo Bend flexure), separating a chain of interior basins from the central Louann salt basin, (2) segmentation of the central Louann salt basin by the Brazos transfer fault into eastern and central domains, and (3) salt provinces formed during basin opening. The Toledo Bend flexure was reactivated as a hinge during the Cenozoic uplift of the North American craton. This uplift triggered gravity gliding, forming fold belts in the seaward parts of the continental margin. The geometry of the Toledo Bend flexure influenced the position of these fold belts. The Brazos transfer fault separates the west sector of the study area from the central and east sectors. Most of the salt in the deep-water northern Gulf of Mexico lay in the central sector, which sourced most of the Sigsbee salt canopy. The western sector was narrower and was subdivided by the East Breaks basement high. Splitting the Callovian salt basin in two as the gulf opened created a southward-thinning wedge of salt at the seaward end of the northern Gulf of Mexico. We divide this wedge into a series of provinces on the basis of the geometry of the base of the deep salt. Original salt thickness influenced diapir location, the geometry of the Sigsbee canopy, the geometry and style of later compressional fold belts, and petroleum systems.
    Print ISSN: 0149-1423
    Electronic ISSN: 0149-1423
    Topics: Geosciences
    Published by American Association of Petroleum Geologists (AAPG)
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  • 2
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    TCR-Mediated internalization of peptide-MHC complexes acquired by T cells (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-11-05
    Description: Peptide-major histocompatibility complex protein complexes (pMHCs) on antigen-presenting cells (APCs) are central to T cell activation. Within minutes of peptide-specific T cells interacting with APCs, pMHCs on APCs formed clusters at the site of T cell contact. Thereafter, these clusters were acquired by T cells and internalized through T cell receptor-mediated endocytosis. During this process, T cells became sensitive to peptide-specific lysis by neighboring T cells (fratricide). This form of immunoregulation could explain the "exhaustion" of T cell responses that is induced by high viral loads and may serve to down-regulate immune responses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huang, J F -- Yang, Y -- Sepulveda, H -- Shi, W -- Hwang, I -- Peterson, P A -- Jackson, M R -- Sprent, J -- Cai, Z -- New York, N.Y. -- Science. 1999 Oct 29;286(5441):952-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉R. W. Johnson Pharmaceutical Research Institute, 3210 Merryfield Row, San Diego, CA 92121, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10542149" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Drosophila ; *Endocytosis ; Flow Cytometry ; Histocompatibility Antigens/*immunology ; Macromolecular Substances ; Peptides/*immunology ; Receptors, Antigen, T-Cell/*immunology ; Recombinant Fusion Proteins/genetics/immunology ; T-Lymphocytes/*immunology/metabolism ; T-Lymphocytes, Cytotoxic/immunology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    Interrogation: hard for psychologists to act as whistleblowers (2009)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2009-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jackson, Michael R -- England -- Nature. 2009 Jun 25;459(7250):1052. doi: 10.1038/4591052a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19553973" target="_blank"〉PubMed〈/a〉
    Keywords: Humans ; Psychology/*ethics/standards ; Whistleblowing/*psychology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 4
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    Peptide binding and presentation by mouse CD1 (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-07-14
    Description: CD1 molecules are distantly related to the major histocompatibility complex (MHC) class I proteins. They are of unknown function. Screening random peptide phage display libraries with soluble empty mouse CD1 (mCD1) identified a peptide binding motif. It consists of three anchor positions occupied by aromatic or bulky hydrophobic amino acids. Equilibrium binding studies demonstrated that mCD1 binds peptides containing the appropriate motif with relatively high affinity. However, in contrast to classical MHC class I molecules, strong binding to mCD1 required relatively long peptides. Peptide-specific, mCD1-restricted T cell responses can be raised, which suggests that the findings are of immunological significance.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Castano, A R -- Tangri, S -- Miller, J E -- Holcombe, H R -- Jackson, M R -- Huse, W D -- Kronenberg, M -- Peterson, P A -- New York, N.Y. -- Science. 1995 Jul 14;269(5221):223-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7542403" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; *Antigen Presentation ; Antigens, CD/chemistry/*immunology/metabolism ; Antigens, CD1 ; Cell Line ; Mice ; Mice, Inbred C57BL ; Molecular Sequence Data ; Peptides/chemistry/*immunology/metabolism ; T-Lymphocytes, Cytotoxic/*immunology ; Transfection
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 5
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    An alphabeta T cell receptor structure at 2.5 A and its orientation in the TCR-MHC complex (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-10-11
    Description: The central event in the cellular immune response to invading microorganisms is the specific recognition of foreign peptides bound to major histocompatibility complex (MHC) molecules by the alphabeta T cell receptor (TCR). The x-ray structure of the complete extracellular fragment of a glycosylated alphabeta TCR was determined at 2.5 angstroms, and its orientation bound to a class I MHC-peptide (pMHC) complex was elucidated from crystals of the TCR-pMHC complex. The TCR resembles an antibody in the variable Valpha and Vbeta domains but deviates in the constant Calpha domain and in the interdomain pairing of Calpha with Cbeta. Four of seven possible asparagine-linked glycosylation sites have ordered carbohydrate moieties, one of which lies in the Calpha-Cbeta interface. The TCR combining site is relatively flat except for a deep hydrophobic cavity between the hypervariable CDR3s (complementarity-determining regions) of the alpha and beta chains. The 2C TCR covers the class I MHC H-2Kb binding groove so that the Valpha CDRs 1 and 2 are positioned over the amino-terminal region of the bound dEV8 peptide, the Vbeta chain CDRs 1 and 2 are over the carboxyl-terminal region of the peptide, and the Valpha and Vbeta CDR3s straddle the peptide between the helices around the central position of the peptide.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Garcia, K C -- Degano, M -- Stanfield, R L -- Brunmark, A -- Jackson, M R -- Peterson, P A -- Teyton, L -- Wilson, I A -- R01 CA58896/CA/NCI NIH HHS/ -- T32-A107244/PHS HHS/ -- New York, N.Y. -- Science. 1996 Oct 11;274(5285):209-19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology and the Skaggs Institute of Chemical Biology, Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8824178" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carbohydrate Sequence ; Cells, Cultured ; Crystallization ; Crystallography, X-Ray ; Drosophila melanogaster ; Glycosylation ; H-2 Antigens/*chemistry/immunology/metabolism ; Hydrogen Bonding ; Major Histocompatibility Complex ; Mice ; Models, Molecular ; Molecular Sequence Data ; Peptides/*chemistry/immunology/metabolism ; *Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; Receptors, Antigen, T-Cell, alpha-beta/*chemistry/immunology/metabolism ; Recombinant Proteins ; T-Lymphocytes, Cytotoxic/*immunology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 6
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    Regulation of MHC class I transport by the molecular chaperone, calnexin (p88, IP90) (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-01-21
    Description: Assembled class I histocompatibility molecules, consisting of heavy chain, beta 2-microglobulin, and peptide ligand, are transported rapidly to the cell surface. In contrast, the intracellular transport of free heavy chains or peptide-deficient heavy chain-beta 2-microglobulin heterodimers is impaired. A 90-kilodalton membrane-bound chaperone of the endoplasmic reticulum (ER), termed calnexin, associates quantitatively with newly synthesized class I heavy chains, but the functions of calnexin in this interaction are unknown. Class I subunits were expressed alone or in combination with calnexin in Drosophila melanogaster cells. Calnexin retarded the intracellular transport of both peptide-deficient heavy chain-beta 2-microglobulin heterodimers and free heavy chains. Calnexin also impeded the rapid intracellular degradation of free heavy chains. The ability of calnexin to protect and retain class I assembly intermediates is likely to contribute to the efficient intracellular formation of class I-peptide complexes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jackson, M R -- Cohen-Doyle, M F -- Peterson, P A -- Williams, D B -- New York, N.Y. -- Science. 1994 Jan 21;263(5145):384-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology, Scripps Research Institute, La Jolla, CA 92037.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8278813" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Biological Transport ; Calcium-Binding Proteins/*metabolism ; Calnexin ; Cell Line ; Drosophila melanogaster ; Endoplasmic Reticulum/*metabolism ; Golgi Apparatus/metabolism ; Histocompatibility Antigens Class I/*metabolism ; Membrane Proteins/*metabolism ; Molecular Sequence Data ; Temperature ; Transfection ; beta 2-Microglobulin/*metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 7
    Electronic Resource
    Electronic Resource
    Assembly and Intracellular Transport of MHC Class I Molecules (1993)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Cell and Developmental Biology 9 (1993), S. 207-237 
    Details
    ISSN: 0743-4634
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.cb.09.110193.001231
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  • 8
    Electronic Resource
    Electronic Resource
    Short-lasting, Competitive Neuromuscular Blocking Activity in a Series of Azobis-Arylimidazo-[1,2-a]-Pyridinium Dihalides (1972)
    [s.l.] : Nature Publishing Group
    Nature 238 (1972), S. 354-355 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Table 1 Paralysing Activities of some Azobis-Arylimidazo-[1,2-a]-Pyridinium Analogues, (+)-Tubocurarine, Succinylcholine, Gallamine and Pancuronium following Intravenous Injection in the Conscious Mouse x- R2 Paralysing activity Acute toxicity AH No. RI R2 ED 50 (95% fid. LD 50 ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/238354a0
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  • 9
    Electronic Resource
    Electronic Resource
    The use of a ring tensile test to evaluate plasma-deposited metals (1987)
    Springer
    Journal of materials science 22 (1987), S. 4476-4483 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract A ring tensile test using a split disc fixture was developed and used to evaluate the tensile properties of a low-pressure plasma-deposited nickel-base superalloy from 25 to 1010° C. These properties were compared to those obtained with conventional uniaxial tensile specimens. It was concluded that the ring tensile test is an adequate test to rapidly and inexpensively evaluate the strength of thin (≈ 1.0 mm) as-deposited plasma-deposited structures. A finite-element analysis of the test indicated that for sufficiently large deformation (≈ 2%) the stress and strain fields approximated those of a uniaxial distribution.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01132050
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  • 10
    Electronic Resource
    Electronic Resource
    The use of Y2O3 coatings in preventing solid-state Si-base ceramic/metal reaction (1983)
    Springer
    Journal of materials science 18 (1983), S. 3195-3205 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The use of Y2O3 sputtered coatings on the order of 0.1 μm thick have been found to greatly reduce the degree of reaction between metals and Si-base ceramics. Even though the Y2O3 coating tends to become detached from the sputtered ceramic after one heating cycle, modifications in the surface chemistry of the ceramic continues to provide protection from further attack.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00544143
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