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Osmosis and permeability

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Book cover Pflanze und Wasser / Water Relations of Plants

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Abstract

The molecules of all substances are in motion and possess free (kinetic) energy. From the laws of thermodynamics, if the molecules of any one substance possess more aggregate free energy per unit volume in one region of a medium than in

Diffusion of a substance across a membrane from a region of higher concentration to one of lower concentration (from Scarth and Lloyd).

another, there will be a tendency for a transfer of some of the energy. This may be by collision or by a net movement of molecules. The net movement of molecules is known as diffusion (Getman and Daniels, Scarth and Lloyd. The greater free energy or activity may be due to 1. a higher concentration of molecules of the same average free energy or 2. a greater average free energy of the molecules (i.e. a higher temperature), or to both factors.

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Literatur

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Authors
  1. J. Levitt
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Editor information

Editors and Affiliations

  1. van Maanenstraat 11 A, Rotterdam, Niederlande

    M. J. Adriani

  2. Hydrotechnical Laboratory, Royal Veterinary and agric. College, 26, Rolighedsvej, Copenhagen V, Dänemark

    H. C. Aslyng

  3. Botanisches Institut, Lund, Schweden

    Hans Burström

  4. München-Pasing, Perlschneiderstr. 18, Deutschland

    Rudolf Geiger (o. Univ.-Professor) (o. Univ.-Professor)

  5. Universität München, München-Obermenzing, Menzingerstr. 66, Deutschland

    Fritz Gessner (Professor) (Professor)

  6. Institut für Anatomie und Physiologie der Pflanzen, Graz, Schubertstr. 51, Österreich

    Otto Härtel

  7. Forstbotanisches Institut der Forstl. Forschungsanstalt, Universität München, München 13, Amalienstr. 52, Deutschland

    Bruno Huber (o. Professor für Anatomie, Physiologie und Pathologie der Pflanzen) (o. Professor für Anatomie, Physiologie und Pathologie der Pflanzen)

  8. Botanisches Institut der Universität, Bonn, Meckenheimer Allee 170, Deutschland

    Magdalena Hülsbruch

  9. Hamburg 13, Rothenbaumchaussee 22III, Deutschland

    Kurt Kalle

  10. Institut für spezielle Botanik, Eidg. Techn. Hochschule, Universitätsstr. 2, Zürich 6, Schweiz

    H. Kern

  11. Faculté des Sciences d’Alger, 44 Avenue de Paris, Boulogne Billancourt, Seine, France

    Ch. Killian (professeur honoraire) (professeur honoraire)

  12. Botanischen Institutes und Gartens, Hochschule für Bodenkultur, Gregor-Mendel-Str. 33, Wien XVIII, Österreich

    Josef G. Kisser (Vorstand) (Vorstand)

  13. Department of Botany, Duke University, Durham, North Carolina, USA

    Paul J. Kramer (James b. Duke Professor of Botany) (James b. Duke Professor of Botany)

  14. Faculté des Sciences, Institut botanique, 7, rue de l’Université, Strasbourg, France

    Georges Lemée (Professeur) (Professeur)

  15. University of Missouri, Columbia, Missouri, USA

    J. Levitt (Professor of Botany) (Professor of Botany)

  16. Dept. Botany and Plant Pathology, Ohio State University, Columbus, USA

    Bernard S. Meyer (Professor and Chairman) (Professor and Chairman)

  17. Ohio Agricultural Experiment Station, Wooster, USA

    Bernard S. Meyer (Professor and Chairman) (Professor and Chairman)

  18. Institut für Kulturpflanzenforschung, Gatersleben (Kr. Aschersleben), Deutschland

    Kurt Mothes

  19. Botanischen Institutes der Universität, Innsbruck, Sternwartestr. 15, Österreich

    Arthur Pisek (Professor der Botanik, Direktor) (Professor der Botanik, Direktor)

  20. Biologischen Station Lunz, Österreichischen Akademie der Wissenschaften, Lunz am See, Nieder-Österreich

    Franz Ruttner (Leiter) (Leiter)

  21. Universität Stockholm, Kungstensgatan 45, Stockholm, Va, Schweden

    M. G. Stålfelt (o. Professor der Pflanzenphysiologie) (o. Professor der Pflanzenphysiologie)

  22. Elsley Lodge, 17, Elsley Road, Reading, Berks, England

    Walter Stiles (Emeritus Professor of Botany) (Emeritus Professor of Botany)

  23. Botanisches Institut, Technischen Hochschule, Darmstadt, Deutschland

    Otto Stocker (Professor der Botanik) (Professor der Botanik)

  24. Department of Botany, University of California, Davis, California, USA

    C. Ralph Stocking (Associate Professor of Botany) (Associate Professor of Botany)

  25. Botanisches Institut, Universität Kiel, Düsternbrooker Weg 17, Deutschland

    Herbert Straka

  26. Laboratory of Climatology, Elmer, N. J., USA

    W. C. Thornthwaite

  27. Geographisches Institut, Universität Bonn, Franziskanerstr. 2, Deutschland

    Carl Troll

  28. Institut für landwirtschaftliche Botanik, Bonn, Meckenheimer Allee 176, Deutschland

    Hermann Ullrich (Professor der Botanik) (Professor der Botanik)

  29. Department of Irrigation, University of California, Davis, California, USA

    F. J. Veihmeyer (Professor of Irrigation, Emeritus) (Professor of Irrigation, Emeritus)

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© 1956 Springer-Verlag OHG. Berlin · Göttingen · Heidelberg

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Levitt, J. (1956). Osmosis and permeability. In: Adriani, M.J., et al. Pflanze und Wasser / Water Relations of Plants. Handbuch der Pflanzenphysiologie / Encyclopedia of Plant Physiology, vol 3. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-94678-3_4

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  • DOI: https://doi.org/10.1007/978-3-642-94678-3_4

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-94679-0

  • Online ISBN: 978-3-642-94678-3

  • eBook Packages: Springer Book Archive

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