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1988 (1)
1981 (1)
1Author    Boris JanistynRequires cookie*
 Title    Gaschromatographic, Mass-and Infrared-Spectrometric Identification of Cyclic Adenosine-3': 5'-monophosphate (c-AMP) in Maize Seedlings (Zea mays)  
 Abstract    Gaschromatographic, mass-and infrared-spectrometric evidence is presented for the iden­ tification of adenosine-3':5'-monophosphate (c-AMP) in maize seedlings (Zea mays). The genuine c-AMP content could be quantitated by GC-detection and refere to authentic c-AMP standards. 
  Reference    Z. Naturforsch. 36c, 193—196 (1981); received November 111980 
  Published    1981 
  Keywords    Maize, c-AMP, Gaschromatography, Mass Spectrometry, Infrared Spectrometry 
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 TEI-XML for    default:Reihe_C/36/ZNC-1981-36c-0193.pdf 
 Identifier    ZNC-1981-36c-0193 
 Volume    36 
2Author    Ernst Küsters, Willy RahmenRequires cookie*
 Title    Alio-Verbindungen mit ungewöhnlichem Verhalten bei der Gaschromatographie an chiraler stationärer Phase Allo-Compounds with Unusual Behaviour in Gas Chromatography Using Chiral Stationary Phase  
 Abstract    The Separation of the enantiomers of D,L-allo-threoninol, necessary in racemization studies of peptide hydrolysates, gave a surprising result with respect to the elution series of the antipodes. Contrary to the rule (L before D on Chirasil-L-Val) D-allo-threoninol is eluted before its mirror image. This behaviour can only be explained by the differing importance of the asymmetric centres contained in the molecule. As a result of this and taking into account the chromatographic behaviour of allo-compounds refined model concepts of enantiomer separation must be devel-oped in future. The separation of allo-compounds of threonine, isoleucine and cystathionine is considered from this aspect. 
  Reference    Z. Naturforsch. 43b, 619—622 (1988); eingegangen am 15. April/30. November 1987 
  Published    1988 
  Keywords    Enantiomeric Separation, Gaschromatography, Chirasil-Val, Allo-Compounds, Chiral Recognition 
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 TEI-XML for    default:Reihe_B/43/ZNB-1988-43b-0619.pdf 
 Identifier    ZNB-1988-43b-0619 
 Volume    43