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  • 1
    Digitale Medien
    Digitale Medien
    Electrical impedance and erythrocyte sedimentation rate (ESR) of blood
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Biomembranes 1153 (1993), S. 243-248 
    Details
    ISSN: 0005-2736
    Schlagwort(e): Blood ; Electric conductivity ; Erythrocyte sedimentation rate ; Membrane ; Sedimentation
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie , Chemie und Pharmazie , Medizin , Physik
    Materialart: Digitale Medien
    URL: http://linkinghub.elsevier.com/retrieve/pii/0005-2736(93)90411-R
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  • 2
    Digitale Medien
    Digitale Medien
    Sites of the Physiological Breakdown of the Red Blood Corpuscles (1958)
    [s.l.] : Nature Publishing Group
    Nature 181 (1958), S. 911-911 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Since the plasma contains no radioiron, the only source of iron-59 present in the depot iron fractions is radioiron liberated from the transfused labelled red corpuscles. This line of thought induced us to replace red corpuscles contained in 20 ml. of rabbit blood with the corresponding amount of ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/181911a0
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  • 3
    Digitale Medien
    Digitale Medien
    George de Hevesy-80 years
    Amsterdam : Elsevier
    The @International Journal Of Applied Radiation And Isotopes 16 (1965), S. 513-516 
    Details
    ISSN: 0020-708X
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Energietechnik , Physik
    Materialart: Digitale Medien
    URL: http://linkinghub.elsevier.com/retrieve/pii/0020-708X(65)90134-1
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  • 4
    Digitale Medien
    Digitale Medien
    Kalium-Austausch zwischen Plasma und Erythrozyten beim Karzinom (1958)
    Springer
    Cellular and molecular life sciences 14 (1958), S. 244-245 
    Details
    ISSN: 1420-9071
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Summary The erythrocytes of mice inoculated with Ehrlich-ascites-tumor growing in the solid form interchange their potassium ions with those of the plasma at a more rapid rate than the erythrocytes of controls. This difference is also observed when the erythrocytes of tumor mice are incubated in normal plasma. When normal erythrocytes are incubated in plasma of tumor mice, an accelerated potassium interchange is also observed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02159182
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  • 5
    Digitale Medien
    Digitale Medien
    A two-stage model of fracture of rocks (1996)
    Springer
    Pure and applied geophysics 146 (1996), S. 253-263 
    Details
    ISSN: 1420-9136
    Schlagwort(e): Fracture ; fault nucleation ; critical crack density ; hierarchic failure ; earthquakes ; thermal activation
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Geologie und Paläontologie , Physik
    Notizen: Abstract In this paper we propose a two-stage model of rock fracture. In the first stage, cracks or local regions of failure are uncorrelated and occur randomly throughout the rock in response to loading of pre-existing flaws. As damage accumulates in the rock, there is a gradual increase in the probability that large clusters of closely spaced cracks or local failure sites will develop. Based on statistical arguments, a critical density of damage will occur where clusters of flaws become large enough to lead to larger-scale failure of the rock (stage two). While crack interaction and cooperative failure is expected to occur within clusters of closely spaced cracks, the initial development of clusters is predicted based on the random variation in pre-existing flaw populations. Thus the onset of the unstable second stage in the model can be computed from the generation of random, uncorrelated damage. The proposed model incorporates notions of the kinetic (and therefore time-dependent) nature of the strength of solids as well as the discrete hierarchic structure of rocks and the flaw populations that lead to damage accumulation. The advantage offered by this model is that its salient features are valid for fracture processes occurring over a wide range of scales including earthquake processes. A notion of the rank of fracture (fracture size) is introduced, and criteria are presented for both fracture nucleation and the transition of the failure process from one scale to another.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00876492
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  • 6
    Digitale Medien
    Digitale Medien
    Adjuvant immunotherapy in acute nonlymphocytic leukemia (1978)
    Springer
    Cancer immunology immunotherapy 4 (1978), S. 179-183 
    Details
    ISSN: 1432-0851
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Of 112 patients (maximum age 70 years) with acute nonlymphocytic leukemia, 62 (55%) went into remission on an induction therapy of cytosine arabinoside and daunorubicin. 20 patients were randomized for maintenance treatment consisting of chemotherapy only and 22 patients for combined chemo-immunotherapy. The chemotherapy consisted in 5-day courses of daunorubicin and cytosine arabinoside and of thioguanine and cytosine arabinoside, alternating every month. The chemo-immunotherapy group also received weekly intracutaneous injections of 109 allogeneic nonirradiated leukemic myeloblasts and 106 BCG organisms (Glaxo) by Heaf gun. The median duration of the first remission was 164 days for the chemotherapy group and 464 days for the chemo-immunotherapy group. The corresponding median times of survival were 344 days for the first group and 734 days for the second group. The difference concerning median duration of survival is statistically significant. Thus immunotherapy seems to prolong survival.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00204737
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  • 7
    Digitale Medien
    Digitale Medien
    Quasi-static fault growth and shear fracture energy in granite (1991)
    [s.l.] : Nature Publishing Group
    Nature 350 (1991), S. 39-42 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The failure process in a brittle granite sample can be stabilized by controlling axial stress to maintain a constant rate of acoustic emission. As a result, the post-failure stress curve can be followed quasi-statically, extending to hours the fault growth process which normally would occur ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/350039a0
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  • 8
    Digitale Medien
    Digitale Medien
    A mechanism to explain the generation of earthquake lights (1983)
    [s.l.] : Nature Publishing Group
    Nature 302 (1983), S. 28-33 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Explanations of how earthquake lights might arise have failed to show how large charge densities can be concentrated and sustained in a conductive Earth. A physical model is proposed, based on frictional heating of the fault, that solves this and related ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/302028a0
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  • 9
    Digitale Medien
    Digitale Medien
    Quantitation of Erythropoiesis (1963)
    [s.l.] : Nature Publishing Group
    Nature 199 (1963), S. 390-391 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Five hsematologically healthy subjects were examined and their PIT measured3. Inactive iron as iron-dextrin (Ferrigen, kindly supplied by Astra, Sodertalje) was slowly injected intravenously, in 100-mg doses, at the indicated intervals. Radioiron incorporation into the erythrocytes was followed for ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/199390a0
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  • 10
    Digitale Medien
    Digitale Medien
    Velocity anomalies: An alternative explanation based on data from laboratory experiments (1978)
    Springer
    Pure and applied geophysics 116 (1978), S. 765-772 
    Details
    ISSN: 1420-9136
    Schlagwort(e): Velocity anomalies ; Microfractures ; Stick-slip
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Geologie und Paläontologie , Physik
    Notizen: Abstract Locations and velocities were calculated for microseisms occurring in samples of rock subjected to triaxial loading and injection of pore fluid. This was accomplished by analyzing arrival times of acoustic emission using an automatic first arrival picker. Apparent velocity anomalies were observed prior to both failure of intact samples and violent slip in samples containing saw cuts. Further analysis revealed that these fluctuations in calculated velocity were not due to changes in the true seismie velocity. Instead, variations in calculated velocity are shown to be related to sampling errors in picking first arrivals. The systematic picking of late first arrivals for small magnitude events was found to be a persistent bias resulting in low calculated velocities. This has encouraged the reexamination of earthquake records to determine how important sampling biases are in contributing to reported velocity anomalies.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00876537
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