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1989 (1)
1978 (1)
1Author    JaspreetA. Rora, P. V. SaneRequires cookie*
 Title    Histidyl Residues Mediate Electron Transport in Plant Mitochondria  
 Abstract    Plant The effect of chemical modification of histidyl residues using diethyl pyrocarbonate (D EP) on plant mitochondrial electron transport was studied. Mitochondrial membranes from potato tubers were isolated and electron flow from N A D H to oxygen, NADH to ferricyanide and ascorbate to oxygen were monitored in pro», nee and/or absence of DEP. Measurements were made at various concentrations of DEP and at different pHs either by using an oxygen electrode or spectro-photometrically. The results show that DEP inhibits flow of electrons from NADH to oxygen, however partial electron transport from N A D H to ferricyanide and ascorbate to oxygen was unaffected. Maximum inhibition was observed at pH 6.5. The time course of the DEP action revealed a biphasic nature of inhibition. Effects on the levels of reduction of cytochromes b and c by DEP during electron transport indicated that histidyl residues may be present before or at cytochrome b , which are being modified. 
  Reference    Z. Naturforsch. 44c, 537 (1989); received April 7 1989 D edicated to 
  Published    1989 
  Keywords    Mitochondria, Histidine Modification, Electron Transport, Spectral Studies 
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 TEI-XML for    default:Reihe_C/44/ZNC-1989-44c-0537.pdf 
 Identifier    ZNC-1989-44c-0537 
 Volume    44 
2Author    H. S. Verma, R. C. SaxenaRequires cookie*
 Title    Complexes of Some Platinum Metals with /»-Diethylamino Anil of Phenyl Glyoxal  
 Abstract    Complex compounds of platinum metals Ru(III), Rh(III), Os(IV), Ir(IlI) and Pt(IV) with the bidentate Schiff base ligand derived by the condensation of phenyl glyoxal with p-diethylamino aniline have been prepared and characterized. All the complexes are stable at room temperature. The complexes of Ru(III) and Os(IV) are Paramagnetic and the other complexes of Rh(III), Ir(III) and Pt(IV) are diamagnetic. The spectral studies and the calculation of ligand field parameters clearly indicate the octahedral structure of these complexes. 
  Reference    Z. Naturforsch. 33b, 1001—1004 (1978); received March 13/May 29 1978 
  Published    1978 
  Keywords    Bidentate Schiff Base Complexes, Magnetic Studies, Spectral Studies, Complex Compounds 
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 TEI-XML for    default:Reihe_B/33/ZNB-1978-33b-1001.pdf 
 Identifier    ZNB-1978-33b-1001 
 Volume    33