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  • Springer  (22)
  • American Meteorological Society  (3)
  • American Institute of Physics (AIP)  (2)
  • 1985-1989  (27)
  • 1
    Electronic Resource
    Electronic Resource
    Carbohydrates of influenza virus. Structure of the oligosaccharides linked to asparagines 406 and 478 in the hemagglutinin of fowl plague virus, strain dutch (1987)
    Springer
    Glycoconjugate journal 4 (1987), S. 17-32 
    Details
    ISSN: 1573-4986
    Keywords: influenza virus ; hemagglutinin ; glycoprotein glycans ; oligosaccharide structure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Fowl plague virus, strain Dutch, was metabolically labeled withd-[2-3H]mannose, or withd-[6-3H]glucosamine, and the small subunit (HA2; 0.8 mg in total) of the viral hemagglutinin was isolated by preparative sodium dodecylsulfate-polyacrylamide gel electrophoresis. After proteolytic digestion, the radioactive oligosaccharides were sequentially liberated from the glycopeptides by treatment with different endo-β-N-acetylglucosaminidases and with peptide:N-glycosidase or, finally, by hydrazinolysis. In this manner, four groups of glycans could be obtained by consecutive gel filtrations and were subfractionated by HPLC. The structures of the individual oligosaccharides were analyzed by micromethylation, by acetolysis or by digestion with exoglycosidases. The major species amongst the high mannose glycans at Ans-406 of the viral glycopolypeptide were found to be Manα1-2Manα1-3(Manα1-2Manα1-6)Manα1-6(Manα1-2Manα1-2Manα1-3)Manβ1-4GlcNacβ1-4GlcNAc and Manα1-3(Manα1-2Manα1-6)Manα1-6(Manα1-2Manα1-2Manα1-3)Manβ1-4GlcNAcβ1-4GlcNAc, while the complex glycans at Asn-478 are predominantly GlcNAcβ1-2Manα1-3(GlcNAcβ1-2Manα1-6)Manβ1-4GlcNAcβ1-4GlcNAc (lacking, in part, one of the outerN-acetylglucosamine residues) and GlcNAcβ1-2Manα1-3(Galβ1-4GlcNAcβ1-2Manα1-6)Manβ1-4GlcNAcβ1-4GlcNAc.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01048441
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  • 2
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    Carbohydrates of influenza virus. Structure of the oligosaccharides linked to asparagines 406 and 478 in the hemagglutinin of fowl plague virus, strain dutch (1987)
    Springer
    Details
    Publication Date: 1987-01-01
    Print ISSN: 0282-0080
    Electronic ISSN: 1573-4986
    Topics: Chemistry and Pharmacology
    Published by Springer
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    PAPER CURRENT
  • 3
    Electronic Resource
    Electronic Resource
    Spectra and structure of small ring compounds. XLVIII. Conformational stability of methylcyclobutane from low frequency Raman data of the gas (1987)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 86 (1987), S. 545-551 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The low frequency (500–80 cm−1) Raman spectra of gaseous methylcyclobutane, c-C4H7CH3, and methyl-d3-cyclobutane have been recorded. A series of Q branches beginning at 161 cm−1 for the light molecule and 154 cm−1 for the d3 compound with successive transitions falling to lower frequencies have been assigned to the ring puckering vibrations of both the low energy equatorial and high energy axial conformers. These data have been fitted to an asymmetric potential function of the form: V(cm−1)=(4.78±0.10)×105X4−(3.08±0.04)×104X2 +(2.18±0.1)×104X3 with an assumed reduced mass of 160 amu for the light compound. Utilizing this potential the difference between the puckering angles for the two conformers was calculated to be 4.3° with the equatorial conformer having the larger value of 20.7°. A similar potential was obtained for the d3 molecule. The energy difference between the equatorial and axial forms was found to be 247±20 cm−1 (706 cal/mol) and a barrier of 641±20 cm−1 (1.83 kcal/mol) was found for the interconversion. Experimental values for the ΔH of both the liquid (354±179 cm−1) and gas (295±75 cm−1) from relative intensities of different Raman band pairs over 85 and 37 °C temperature ranges, respectively, were found to be consistent with the value obtained from the potential function. These results are compared to the corresponding quantities for similar molecules.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.452305
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  • 4
    Electronic Resource
    Electronic Resource
    Spectral characteristics of plasma emission during ArF excimer laser ablation of YBa2Cu3O7 (1989)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 54 (1989), S. 469-471 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: In order to characterize the laser ablation process as it relates to the deposition of high Tc superconducting thin films, optical emission spectra produced during ArF excimer laser ablation of the high Tc superconductor YBa2Cu3O7 were studied. The population of excited states within the gas phase blow-off material depends strongly on excimer laser fluence at 193 nm. Ablation using relatively low excimer laser fluences produces a significant fraction of YO in the gas phase. The plasmas derived from ablation of targets made from the high Tc material are similar to plasmas observed from ablation of the individual components BaCO3, CuO, and Y2O3.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.101555
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  • 5
    Electronic Resource
    Electronic Resource
    Nonlocal light-cone expansions and evolution equations (1985)
    Springer
    The European physical journal 26 (1985), S. 591-600 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A new variant of the nonlocal light-cone expansion in QCD is proposed. The anomalous dimension of the corresponding fermion flavour nonsinglet operator is calculated in the one-loop approximation and shown to coincide (up to a trivial diagonal factor) with the Brodsky-Lepage kernel. The connection of our approach with the standard local conformal light-cone expansion is briefly discussed. An exclusive light-cone dominated process is considered within the framework of our formalism. The evolution equation obtained earlier by different methods is recovered in a particularly straightforward and compact manner.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01551803
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  • 6
    Electronic Resource
    Electronic Resource
    Hadron operators on the light-cone (1986)
    Springer
    The European physical journal 33 (1986), S. 275-280 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Meson and baryon operators on the light cone are studied which reproduce the well-known parton distribution amplitudes as matrix elements between the vacuum and an one-meson (baryon) state. We extent our previous results to the case of the quark-gluon mixing which is relevan for the description of a flavour-singlet meson. The anomalous dimensions of the considered nonlocal light-cone operators are calculated explicity in the one-loop approximation. We thus recover the evolution kernels for meson and baryon wave functions derived earlier by other authors using different methods.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01411146
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  • 7
    Electronic Resource
    Electronic Resource
    Nonlocal light-cone operators describing hadrons in processes with large momentum transfer (1987)
    Springer
    Czechoslovak journal of physics 37 (1987), S. 516-520 
    Details
    ISSN: 1572-9486
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The application of a special version of the nonlocal light-cone expansion to hadron processes with large momentum transfer is reviewed. The light-cone operators introduced in this approach may be considered as the relevant hadron operators: Their matrix elements between the vacuum and a one-hadron state coincide with the quark distribution amplitude, and their anomalous dimensions are unique extensions of the well known Brodsky-Lepage evolution kernels having also a simple relation to the Altarelli-Parisi kernels.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01599957
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  • 8
    Electronic Resource
    Electronic Resource
    Rotational analysis of nitrosyl chloride (1988)
    Springer
    Microchimica acta 95 (1988), S. 429-431 
    Details
    ISSN: 1436-5073
    Keywords: nitrosyl chloride ; vibrational-rotational
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The vibrational-rotational spectra of the fundamentals of nitrosyl chloride have been recorded with a Fourier transform interferometer at an apodized resolution of 0.004 cm−1. The data have been analyzed to determine excited state molecular constants forv 1 v 2, andv 3.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01349802
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  • 9
    Electronic Resource
    Electronic Resource
    Chromosome mapping of biological pathways by fluorescence-activated cell sorting and cell fusion: Human interferon gamma receptor as a model system (1988)
    Springer
    Somatic cell and molecular genetics 14 (1988), S. 583-592 
    Details
    ISSN: 1572-9931
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Human chromosome 6 encodes both the interferon gamma receptor as well as the class I major histocompatability complex antigens, HLA-A, -B, and -C. However, the presence of chromosome 6 in somatic cell hybrids is insufficient to confer sensitivity to human interferon gamma (Hu-IFN-γ) as assayed by class I HLA induction; it is necessary for both human chromosomes 6 and 21 to reside in the hybrid to generate a response to Hu-IFN-γ. Treatment of such a hamster-human hybrid, Q72-18, with Hu-IFN-γ induces the class I HLA antigens. Q72-18 cells selected by fluorescence-activated cell sorting for the loss of class I HLA induction also lost human chromosome 21. Fusions of such cells to a hybrid that contains only human chromosome 21 reconstitutes HLA antigen induction by Hu-IFN-γ. Furthermore, fusions of hybrids containing a translocated human chromosome 6q and the HLA-B7 gene to a line containing only human chromosome 21 or a translocated 21q also reconstitutes HLA-B7 mRNA and antigen induction by Hu-IFN-γ. Thus the segregation of cells on the basis of a biological effect by fluorescence-activated cell sorting and reconstitution by hybrid fusion provides a strategy by which some biological pathways can be mapped at a chromosomal level.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01535312
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  • 10
    Electronic Resource
    Electronic Resource
    Expression of human chromosome 11-encoded cell-surface antigens by DNA-mediated transfectants (1986)
    Springer
    Somatic cell and molecular genetics 12 (1986), S. 409-413 
    Details
    ISSN: 1572-9931
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract DNA-mediated transfectants were isolated that expressed two of the cell-surface antigens encoded by human chromosome 11. These tranfectants were used to analyze monoclonal antibodies selected to recognize human cell-surface antigens expressed by a somatic cell hybrid containing 11 as its only human chromosome. Analysis of the transfectants, deletion hybrids, and mutants showed that the monoclonal antibodies recognized at least five different antigens, one of which we had not identified previously. A majority of the monoclonal antibodies recognized the a1 antigen. The use of cells from higher primates demonstrated that the a1 -specific monoclonal antibodies recognize at least two epitopes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01570736
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