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1979 (1)
1978 (1)
1Author    Wolfgang Lohmann, Rainer LangeRequires cookie*
 Title    On the Possible Involvement of Ascorbic Acid and Copper Proteins in Leukemia. III. ESR Investigations on the Interaction between Ascorbic Acid and Some Transition Metal Ions  
 Abstract    The interaction between lyophilized samples of ascorbic acid and Cu2+, Fe3+ or M n2+ has been investigated by means of ESR spectroscopy. All of the three transition metal ions form complexes with vitamin C, but only in the case of C u2+ and Fe3+ the interaction results in a reduction of the metal ions. C u2+ and ascorbic acid seem to form 2 : 1 complexes with an equilibrium constant of about K = 1 x 107 mol-1. None of these metal ion complexes exhibits, however, the ESR spectrum obtained with leukemic blood. 
  Reference    Z. Naturforsch. 34c, 546—549 (1979); received March 21/May 4 1979 
  Published    1979 
  Keywords    Leukemia, ESR, Ascorbic Acid, Transition Metal Ions 
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 TEI-XML for    default:Reihe_C/34/ZNC-1979-34c-0546.pdf 
 Identifier    ZNC-1979-34c-0546 
 Volume    34 
2Author    W. L. Driessen, P.L A EverstijnRequires cookie*
 Title    Metal(II) Complexes of 1,2,5-Oxadiazole  
 Abstract    A series of new coordination compounds is reported with 1,2,5-oxadiazole (ODZ) as the ligand, viz. [M(ODZ)3](SbCl 6)2 with M = Mg(II), Mn(U), Fe(II), Co(II), Ni(II), and Zn(II). The metal ions are in a regular octahedral environment of six nitrogen atoms. The ligands function as bidentate bridges between the metal ions. 
  Reference    Z. Naturforsch. 33b, 1120—1123 (1978); received June 12 1978 
  Published    1978 
  Keywords    Transition Metal Ions, 1, 2, 5-Oxadiazole, Ligand Field Spectra, IR 
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 TEI-XML for    default:Reihe_B/33/ZNB-1978-33b-1120.pdf 
 Identifier    ZNB-1978-33b-1120 
 Volume    33