Langmuir films stability phenomenon of glycerol dialkyl nonitol tetraether at the air-water interface for variations spreading time - Advances in Biological Chemistry

ABC > Vol.2 No.3, August 2012

Volume 2, Issue 3 (August 2012)

ISSN Print: 2162-2183 ISSN Online: 2162-2191

Google-based Impact Factor: 0.5 Citations

Langmuir films stability phenomenon of glycerol dialkyl nonitol tetraether at the air-water interface for variations spreading time ()

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Download as PDF (Size: 393KB) PP. 233-237

DOI: 10.4236/abc.2012.23028 5,043 Downloads 11,094 Views Citations

Author(s)

Sri Vidawati, Udo Bakowsky, Ulrich Rothe

Affiliation(s)

Department of Pharmaceutical Technology, Philipps University Marburg, Marburg, Germany.
Department of Physics, Faculty of Natural Science and Mathematics, University Indonesia, Depok, Indonesia.
Institute of Physiological Chemistry, Faculty of Medicine, University Halle-Wittenberg, Halle/Saale, Germany.

ABSTRACT

Langmuir films behavior of asymmetric glycerol dialkyl nonitol tetraether (GDNT) lipids at the air-water interface (temperature 19℃ ± 1℃) investigated the stability of the mean ratio of Langmuir films for different spreading time prior to the transfer film. Floating monolayer films stability is an important parameter to obtain high-quality Langmuir-Blodgett films for their aplications. Hysteresis loop of the compression-decompression (μ-A) isotherms of Langmuir film GDNT used to analyze the thermodynamic stability of the monolayer films and its features. Langmuir films stability of tetraether lipid GDNT shown more stable at the time of spreading longer than a short time.

KEYWORDS

Asymmetric Glycerol Dialkyl Nonitol Tetraether Lipid; Surface Pressure-Area Isotherm; Langmuir Films Stability; Hysteresis Loop

Share and Cite:

Vidawati, S. , Bakowsky, U. and Rothe, U. (2012) Langmuir films stability phenomenon of glycerol dialkyl nonitol tetraether at the air-water interface for variations spreading time. Advances in Biological Chemistry, 2, 233-237. doi: 10.4236/abc.2012.23028.

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