Modifications of the rayleigh interferometer in the ultracentrifuge for use with heme and other light-absorbing proteins
in: Analytical Biochemistry, in: Analytical Biochemistry . - Amsterdam : Elsevier, ISSN 0003-2697, ZDB-ID 1461105-3 Vol. 36, No. 2 (1970), p. 368-380
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Replacement value of tree legumes for concentrates in forage-based diets. II. Replacement value of Leucaena leucocephala and Gliricidia sepium for lactating goats
in: Animal Feed Science and Technology, in: Animal Feed Science and Technology . - Amsterdam : Elsevier, ISSN 0377-8401, ZDB-ID 1495847-8 Vol. 46, No. 1-2 (1994), p. 53-65
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Replacement value of tree legumes for concentrates in forage-based diets. I. Replacement value of Gliricidia sepium for growing goats
in: Animal Feed Science and Technology, in: Animal Feed Science and Technology . - Amsterdam : Elsevier, ISSN 0377-8401, ZDB-ID 1495847-8 Vol. 46, No. 1-2 (1994), p. 37-51
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Evaluation of polyphosphates and polyphosphonates as degradable biomaterials
in: Journal of Biomedical Materials Research, in: Journal of Biomedical Materials Research . - Hoboken, NJ : Wiley, ISSN 0021-9304, ZDB-ID 2176174-7 Vol. 25 (9. 1991), p. 1151-1167
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1991
A series of polymers, bisphenol A-based poly(phosphoesters), were evaluated as degradable biomaterials. Degradation was observed for the four polymers studied under both in vitro and in vivo conditions. The rate of degradation was affected by polymer side-chain structure and correlated with the... mehr
Myosin from dystrophic and control chicken muscle - I. Preparation and preliminary characterization
in: Archives of Biochemistry and Biophysics, in: Archives of Biochemistry and Biophysics . - Amsterdam : Elsevier, ISSN 0003-9861, ZDB-ID 1461378-5 Vol. 119 (1967), p. 491-497
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Expression of functional GABA, glycine and glutamate receptors in Xenopus oocytes injected with rat brain mRNA
in: Nature . - London [u.a.] : Nature Publising Group, ISSN 1476-4687, Vol. 310, No. 5975 (1984), p. 318-321 Zugang:
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1984
The use of Gurdon's1 Xenopus oocyte translation system has allowed the production of neurotransmitter receptors in a foreign cell membrane, following the translation of microinjected mRNA isolated from various sources2–4. This very accessible and relatively simple preparation permits the study... mehr
Evidence of founder chromosomes in fragile X syndrome
in: Nature genetics . - New York, NY : Nature America, ISSN 1546-1718, Vol. 1, No. 4 (1992), p. 257-260 Zugang:
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1992
The mutation responsible for fragile X syndrome and myotonic dystrophy involves the amplification of a simple trinucleotide repeat sequence, which increases in successive generations of affected pedigrees accounting for increasing penetrance of both disorders. This common molecular basis suggests... mehr
Time-resolved and time-integral on-line nuclear orientation measurements of neutron-deficient Hg−Au−Pt−Ir nuclei
in: Hyperfine interactions , ISSN 1572-9540, Vol. 75 (1/4. 1992), p. 457-470 Zugang:
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1992
Abstract The methods of time-resolved and time-integral on-line nuclear orientation have been applied to study short lived nuclei with the NICOLE facility (Nuclear Implantation into Cold On-Line Equipment) at ISOLDE-3 in CERN using beams of182–186Hg. The half-lives in these decay chains are of... mehr
Copyright: Copyright 1992 J.C. Baltzer A.G., Scientific Publishing Company mehr
The design of the Tokamak Physics Experiment (TPX)
in: Journal of fusion energy , ISSN 1572-9591, Vol. 12 (3. 1993), p. 221-258 Zugang:
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1993
Abstract The Tokamak Physics Experiment is designed to develop the scientific basis for a compact and continuously operating tokamak fusion reactor. It is based on an emerging class of tokamak operating modes, characterized by beta limits well in excess of the Troyon limit, confinement scaling... mehr
Copyright: Copyright 1993 Plenum Publishing Corporation mehr
A measurement ofΓ (Z 0→b $$\Gamma ({\rm Z}^0 \to b\bar b)$$ /Γ(Z 0→hadrons) using an impact parameter technique
in: The European physical journal , ISSN 1434-6052, Vol. 60 (4. 1993), p. 579-592 Zugang:
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1993
Abstract The fractional partial width of theZ 0 tob quarks, $$\Gamma _{b\bar b} /\Gamma _{had} $$ , has been measured by OPAL using an impact parameter technique. The method has been developed using 130 000 hadronic events collected by OPAL in 1990. We find: $$\frac{{\Gamma _{b\bar b} }}{{\Gamma... mehr
Search for anomalous production of high mass photon pairs in e^+e^- collisions at LEP
in: Physics Letters B, in: Physics Letters B . - Amsterdam : Elsevier, ISSN 0370-2693, ZDB-ID 1466612-1 Vol. 311, No. 1-4 (1993), p. 391-407
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1993
Copyright: Copyright (c) 2002 Elsevier Science B.V. mehr
Measurement of the averageb hadron lifetime inZ 0 decays
in: The European physical journal , ISSN 1434-6052, Vol. 60 (2. 1993), p. 217-228 Zugang:
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1993
Abstract A sample of 2610 electron candidates and 2762 muon candidates identified in hadronicZ 0 decays has been used to measure the averageb hadron lifetime. These data were recorded with the OPAL detector during 1990 and 1991. Maximum likelihood fits to the distributions of the lepton impact... mehr
The forward-backward asymmetry of $$e^ + e^ - \to b\bar b and e^ + e^ - \to c\bar c$$ using leptons in hadronicZ 0 decays
in: The European physical journal , ISSN 1434-6052, Vol. 60 (1. 1993), p. 19-35 Zugang:
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1993
Abstract The forward-backward asymmetries of $$e^ + e^ - \to Z^0 \to b\bar b and e^ + e^ - \to Z^0 \to c\bar c$$ have been measured by the OPAL Collaboration using samples of hadronicZ 0 decays in which electron or muon candidates were observed. The asymmetries were measured simultaneously in a... mehr
Measurement of $$\Gamma ({\rm Z}^0 \to b\bar b)/\Gamma ({\rm Z}^0 \to hadrons)$$ using leptons
in: The European physical journal , ISSN 1434-6052, Vol. 58 (4. 1993), p. 523-539 Zugang:
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1993
Abstract The fraction of $$b\bar b$$ events in hadronicZ 0 decays has been measured from the yield of leptons in the data samples collected by OPAL in 1990 and 1991. A sample enriched in events containing $${\rm Z}^0 \to b\bar b$$ decays was obtained by requiring the presence of an electron or... mehr
A measurement of the forward-backward asymmetry of $$e^ + e^ - \to c\bar c$$ and $$e^ + e^ - \to b\bar b$$ at centre of mass energies on and near theZ 0 peak usingD *± mesons
in: The European physical journal , ISSN 1434-6052, Vol. 60 (4. 1993), p. 601-612 Zugang:
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1993
Abstract A measurement is presented of the forwardbackward asymmetry of the processes $$e^ + e^ + \to c\bar c$$ and $$e^ + e^ + \to b\bar b$$ at centre of mass energies near 91 GeV. Decays of theZ 0 into charm and bottom quarks are identified using 6507 chargedD * mesons, reconstructed in the... mehr
A study of muon pair production and evidence for tau pair production in photon-photon collisions at LEP
in: The European physical journal , ISSN 1434-6052, Vol. 60 (4. 1993), p. 593-600 Zugang:
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1993
Abstract We have studied the reactionsγγ→μ + μ − andγγ→τ + τ − by measuring the properties of events of the typese + e −→e + e − μ + μ − ande + e −→e + e − τ + τ − ate + e − centre-of-mass energies between 88 and 94 GeV. The data sample corresponds to an... mehr
Measurements of $$B^0 - \bar B^0 $$ mixing, $${{\Gamma (Z^0 \to b\bar b)} \mathord{\left/ {\vphantom {{\Gamma (Z^0 \to b\bar b)} {\Gamma (Z^0 \to hadrons)}}} \right....
in: The European physical journal , ISSN 1434-6052, Vol. 60 (2. 1993), p. 199-216 Zugang:
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1993
Abstract From a sample of about 450 000 hadronicZ 0 decays, measurements of the average $$B^0 - \bar B^0 $$ mixing parameter, χ, the branching fraction ofZ 0 bosons into hadrons containing bottom quarks, $${{\Gamma (Z^0 \to b\bar b)} \mathord{\left/ {\vphantom {{\Gamma (Z^0 \to b\bar b)} {\Gamma... mehr