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  • Inorganic Chemistry  (2)
  • 71.25.T  (1)
  • Agar-Kulturtechnik  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Panmyelopathie — ein präleukämisches Stadium? (1975)
    Springer
    Journal of molecular medicine 53 (1975), S. 581-583 
    Details
    ISSN: 1432-1440
    Keywords: Aplastic anemia ; acute leukemia ; preleukemia ; cytology ; agar-culture technique ; liquid culture ; reverse transcriptase ; Panmyelopathie ; akute Leukämie ; Präleukämie ; Cytologie ; Agar-Kulturtechnik ; liquid culture ; reverse transcriptase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Unter 44 Patienten mit primärer oder sekundärer Panmyelopathie fanden sich 4 (9%) mit Übergang in eine akute Leukämie. Cytologische Veränderungen, die für eine Präleukämie sprachen, fanden sich im präleukämischen Stadium nicht. Die Möglichkeit, eine Panmyelopathie und eine Präleukämie durch cytologische, cytochemische und cytogenetische Untersuchungen, durch die Agar-Kulturtechnik, die „liquid culture“ und die Bestimmung der „reverse transscriptase“ zu unterscheiden, wird diskutiert.
    Notes: Summary In a group of 44 patients with primary and secondary aplastic anemia, four (9%) developed an acute leukemia. Cytological changes that pointed to a preleukemia were not observed during the preleukemic stage. The possibility is discussed whether a aplastic anemia and a preleukemia can be distinguished by cytological, cytochemical and cytogenetic tests, by agar-culture technique, liquid-culture and determination of reverse transcriptase.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01468904
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  • 2
    Electronic Resource
    Electronic Resource
    Shubnikov-de Haas effect and effective mass inn-InP in dependence on carrier concentration (1994)
    Springer
    The European physical journal 95 (1994), S. 281-285 
    Details
    ISSN: 1434-6036
    Keywords: 71.25.T ; 71.25.J
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Shubnikov-de Haas investigations onn-InP are presented and the effective mass as a function of carrier concentration is determined. The experiments are carried out with bulk and liquid phase epitactically grown material and carrier concentrations betweenn=1017 and 1019cm−3. Temperatures employed ranged fromT=2 to 77 K and magnetic fields were applied up toB=22 T. Supplementing Kane's theory by introducing both temperature and electron concentration dependence, the nonparabolicity of the effective mass for temperatures betweenT=0 K and 300 K is calculated. The result fits quite well to the experimental results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01343953
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  • 3
    Electronic Resource
    Electronic Resource
    Untersuchungen an Oximkomplexen. IV Über die Reaktion von Kobalt(II)-Salzen mit Diacetylmonoxim-β-pyridyl-(2)-äthylimin (1966)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 346 (1966), S. 173-180 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Cobalt(II) salts react with excess diacetylmonoxime-β-pyridyl-(2)-ethylimine (DPÄ) forming complexes of the type [CoIII(DPÄ - H)2]X with X = Cl, J, NCS, NO3, ClO4, atmospheric oxygen being the oxidant. Starting with Co to ligand ratios of 1:2 and 1:1, complex salts of the types [Co(DPÄ - H)2]2[Co(NCS)4] and [Co(DPÄ - H)2] [CoCl3(C2H5OH)] · C2H5OH, respectively, are obtained. The complexing ability of DPÄ is discussed and compared with those of other oxime ligands.
    Notes: Kobalt(II)-Salze bilden bei der Umsetzung mit dem in der Überschrift genannten Liganden (DPÄ) in großem Überschuß Komplexe des Typs [CoIII(DPÄ - H)2]X (X = Cl, J, NCS, NO3, ClO4). Als Oxydationsmittel fungiert der Luftsauerstoff. Werden die Komponenten im Verhältnis 1:2 bzw. 1:1 zur Reaktion gebracht, so entstehen Komplexsalze wie [Co(DPÄ - H)2]2[Co(NCS)4] und [Co(DPÄ - H)2] [CoCl3(C2H5OH)] · C2H5OH. Das komplexchemische Verhalten von DPÄ wird mit dem anderer Oximliganden verglichen.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19663460309
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  • 4
    Electronic Resource
    Electronic Resource
    Untersuchungen an Oximkomplexen. II. Diacetylmonoxim-β-pyridyl-(2)-äthylimin, ein neuer dreizähliger Ligand (1964)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 333 (1964), S. 90-98 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Diacetyl monoxime-β-pyridyl-(2)-ethylimine (DPE) reacts with Ni(II) salts forming paramagnetic complexes of the type Ni(DPE)2X2 (with X = NO3, ClO4, J-). DPE behaves as a tridentate ligand. In the compounds Ni(DPE)2(SCN)2 and Ni(DPE)(SCN)2, the thiocyanate ions participate, at least partially, in the complex formation.Whereas Cu(II) ions normally form 1,1 complexes of the type Cu(DPE)Y2 with Y = Cl-, Br-, NO3, from the interaction between the perchlorate and DPE a chelate compound of the formula [Cu(DPE - H)]ClO4, probably being dimeric, results. The compounds Zn(DPE)Cl2 and Zn(DPE)J2 are non-electrolytes in acetonitrile.
    Notes: Diacetylmonoxim-β-pyridyl-(2)-äthylimin (DPÄ) bildet mit Nickel(II)salzen paramagnetische Komplexe des Typs Ni(DPÄ)2X2 (X = NO3. ClO4- und J-). DPÄ fungiert darin als dreizähliger Ligand. In den Verbindungen Ni(DPÄ)2(SCN)2 und Ni(DPÄ)(SCN)2 sind die Rhodanidionen zumindest teilweise an der Komplexbildung beteiligt. Kupfer(II)-Ionen bilden mit DPÄ die 1,1-Komplexe Cu(DPÄ)Y2 [Y = Cl-, Br- und NO3]. Nur bei der Umsetzung mit Kupferperchlorat entsteht ein, wahrscheinlich dimerer, Innerkomplex [Cu(DPÄ - H)]ClO4. Die Verbindungen Zn(DPÄ)Cl2 und Zn(DPÄ)J2 besitzen in Acetonitril Nichtelektrolytcharakter.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19643330113
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