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Flüssig-kristalline Mesophasen und Gelbildung bei Folsäure

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Summary

  1. 1.

    A lyotropic liquid-crystalline mesophase separates from a solution of folic acid (2.0%) in N,N-dimethylacetamide.

  2. 2.

    At concentrations above 0.8% solutions of folic acid in N,N-dimethylformamide form thixotropic gels.

  3. 3.

    It can be assumed that folic acid forms threaded aggregates in these solvents.

Zusammenfassung

  1. 1.

    Aus 2,0% igen Lösungen von Folsäure in N,N-Dimethylacetamid scheidet sich eine lyotrop flüssigkristalline Mesophase ab.

  2. 2.

    Lösungen von Folsäure in N,N-Dimethylformamid bilden bei Konzentrationen oberhalb 0,8% thixotrope Gele.

  3. 3.

    Es wird angenommen, daß Folsäure in diesen Lösungsmitteln fadenförmige Aggregate bildet.

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Literatur

  1. Gray, G. W., Molecular Structure and the Properties of Liquid Crystals (London-New York 1962).

  2. Brown, G. H., Chemie in unserer Zeit2, 43 (1968).

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  3. Saupe, A., Angew. Chem.80, 99 (1968).

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  4. Stauff, J., Kolloidchemie S. 191 (Berlin-Göttingen-Heidelberg 1960).

  5. Zocher, H. u.C. Török, Kolloid-Z.170, 140 (1960);173, 1 (1960);180, 41 (1962).

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  6. Werner, U., Die chem.-techn. Industrie65, 517 (1969).

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Author information

Author notes

  1. Th. Eckert, N. Dörr &  I. Reimann

    Present address: Institut für pharmazeutische Chemie der Universität Münster, Hittorfstraße 58-62, 4400, Münster (Westf.)

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    1. Th. Eckert
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    2. N. Dörr
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    3. I. Reimann
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    Additional information

    Mit 3 Abbildungen und 1 Tabelle

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    Eckert, T., Dörr, N. & Reimann, I. Flüssig-kristalline Mesophasen und Gelbildung bei Folsäure. Kolloid-Z.u.Z.Polymere 239, 613–614 (1970). https://doi.org/10.1007/BF02133320

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    • DOI: https://doi.org/10.1007/BF02133320

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