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  • 1
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 109 (1987), S. 7217-7219 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 86 (1987), S. 5940-5944 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The 11 cm−1 splitting observed in the ν3 region of the Raman spectrum of liquid methyl fluoride is explained as arising from the noncoincidence effect. An interpretation of the solid-state infrared and Raman spectra is based upon correlation-field splitting effects. An analysis of these two effects suggests that the transition-dipole moment increases from 1.31×10−6 C kg−1/2 in the gaseous state to 2.28×10−6 C kg−1/2 in the solid state.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-1440
    Keywords: Acute myelofibrosis ; Megakaryoblastic leukemia ; Platelet peroxidase ; Cytogenetics ; β-Thromboglobulin ; Flow cytometry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In a 45-year-old woman with severe normochromic anemia (Hb 2.8 g%) an extensive myelofibrosis and infiltration of the bone marrow with small blasts was observed histologically. Cytochemical examination of the blasts showed a negative peroxidase and a strongly positive alpha-NE reaction. PAS reaction was slightly granular positive in the cytoplasmic protuberances of the blasts and in the platelets. Marker analysis yielded no evidence of lymphatic origin of the blasts. In flow-cytometric studies of 230,000 cells a homogeneous 2c blast population could be identified. Cytogenetic analysis revealed an abnormal pseudo-diploid karyotype characterized by 2 acrocentric marker chromosomes caused by a translocation of chromosomes 8 and 14, as usually seen in Burkitt type lymphoma. Finally the reaction product of platelet-specific peroxidase could be demonstrated in the perinuclear cisternae of the endoplasmic reticulum by electron microscopy. Highly elevated β-thromboglobulin and platelet factor 4 plasma levels were also measured. Following an ineffective treatment with daunoblastine and ARA-C, the patient died of pseudomonas aeruginosa septicemia after having received high-dose ARA-C treatment.
    Type of Medium: Electronic Resource
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  • 5
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    Detroit, Mich. : Periodicals Archive Online (PAO)
    Technology and Culture. 28:1 (1987:Jan.) 141 
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  • 6
    ISSN: 1432-1211
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract As a collaborative work of three laboratories the polymorphism of the canine fourth complement component (C4) was studied in a total of 131 unrelated dogs from different breeds and mongrels. Using high voltage electrophoresis followed by an immunoblotting technique, we detected eight distinct variants. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) of canine C4 showed an additional heterogeneity of the α and γ chains which resulted in a total of 11 variants in the population studied. So that more precise information concerning the respective C4 allotypes will be available, a nomenclature is proposed designating not only the migration pattern of the C4 variants in agarose gels but also the heterogeneity of the C4 chains observed in SDS-PAGE.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    European journal of nuclear medicine 12 (1987), S. 605-608 
    ISSN: 1619-7089
    Keywords: Radio ; Iodinated heptadecanoic acid ; Percutaneous transluminal coronary angioplasty
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Ten patients underwent myocardial scintigraphy with 123I-iodo-heptadecanoic acid (HDA), which was injected in the last minute of maximal exercise testing. Six of the patients were rescanned following percutaneous transluminal coronary angioplasty. All ten patients underwent full coronary angiography. There were visible perfusion defects on the static images in 74% of the myocardial areas which were supplied by an artery with a stenosis greater than 75%. The mean half life recorded from areas distal to an arterial stenosis of at least 90% (35.69 min ±41.25 min), was longer than the expected normal mean (18.85 min ±3.35 min). However, the difference was not statistically significant. The static images changed in some patients following angioplasty, however there was no consistent alteration in the half lives. It was concluded that HDA is a suitable agent for investigating myocardial perfusion, but that the half life cannot be measured adequately for clinical purposes with a planar imaging system.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    European journal of nuclear medicine 12 (1987), S. 525-528 
    ISSN: 1619-7089
    Keywords: Radioiodinated heptadecanoic acid ; Infarct prognosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract This trial aimed to test if the half life of radioiodinated heptadecanoic acid (HDA) in acutely infarcted myocardium is of prognostic value. Twenty patients had an HDA scan and a MUGA scan within 6 days of acute myocardial infarction, eighteen of these had a visible defect on the HDA images. The mean half life of the areas of acute infarction (15.50 min+/-7.82 min) was significantly shorter than that of normal myocardium (20.77 min+/-4.00 min). The MUGA scan was repeated after 6 months in 15 patients. The mean acute infarct half life was longer in patients with an LVEF improvement of at least 5% at 6 months (16.92 min+/-10.56 min), compared to those with a deterioration of more than 5% (11.75 min+/-4.03 min), although the difference is not statistically significant. While the results in a few individuals suggested that the half life may be of prognostic significance, the variable response of the group reduced the ability of the half live to act as a prognostic indicator. Improvements in imaging and background subtraction techniques may be necessary before the half life is of practical value.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    International journal of anthropology 2 (1987), S. 97-104 
    ISSN: 1824-3096
    Keywords: Dermatoglyphics ; Palmar ; Triradii
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A six — or seven — (fingers) «sites» system with sequential invading of interdigital ridge bundles agrees very well with actual data from literature. The palmridges of the left hand lag one «period» behind those of the right hands. Main line formulas and the regularities in their frequencies are to a large extent predictable and can be understood from the 7- «sites» model proposed in this publication.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 550 (1987), S. 195-203 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On the Formation of Phases in the Systems Alkali Hexafluorosilicate and Zirconium DioxideThe reactions of alkali hexafluorosilicates with ZrO2 are described resulting watersoluble fluorozirconates as intermediate products already at lower temperatures (650-800°C). It is a solid state reaction in cooperation with reactive Si—F compounds.Complexes with monomeric anions are formed at first if the reaction product does not represent a double fluoride. This has been proved by reactions with variable oxides.From aqueous solutions can be obtained either K3ZrF7 or K2ZrF6 as well as Na3ZrF7 or Na5Zr2F13, respectively, according to the conditions of crystallization. The results of longtime-reactions with formation of silicates (K2ZrSi3O9, K2ZrSi2O7) as well as the thermolysis of the fluoro-zirconates are also discussed.
    Notes: Die Reaktionen von Alkalihexafluorosilicaten mit ZrO2 werden beschrieben. Es entstehen in einer Festkörperreaktion unter Mitwirkung reaktiver Si—F-Komponenten schon bei niederen Temperaturen (550-800°C) wasserlösliche Fluorozirkonate als Zwischenprodukte. Komplexe mit monomeren Anionen werden unabhängig von stöchiometrischen Verhältnissen dann zuerst gebildet, wenn das entstandene Produkt nicht ein ausgesprochenes Doppelfluorid darstellt, wie bei Reaktionen mit unterschiedlichen Oxiden nachzuweisen ist.Als Funktion der Kristallisationsbedingungen können aus wäßrigen K3ZrF7-Lösungen entweder K3ZrF7 oder K2ZrF6 bzw. aus Na3ZrF7-Lösungen Na3ZrF7 oder Na5Zr2F13 erhalten werden. Zusätzlich werden die Ergebnisse von Langzeitreaktionen mit Silicatbildung (K2ZrSi3O9, K2ZrSi2O7) sowie die Thermolyse der Fluorozirkonate diskutiert.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
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