Issue 48, 2014

Abnormal incorporation of amino acids into the gas hydrate crystal lattice

Abstract

Gas hydrates are crystalline ice-like solid materials enclosing gas molecules inside. The possibility of the presence of gas hydrates with amino acids in the universe is of interest when revealing the potential existence of life as they are evidence of a source of water and organic precursors, respectively. However, little is known about how they can naturally coexist, and their crystallization behavior would become far more complex as both crystallize with formation of hydrogen bonds. Here, we report abnormal incorporation of amino acids into the gas hydrate crystal lattice that is contrary to the generally accepted crystallization mode, and this resulted in lattice distortion and expansion. The present findings imply the potential for their natural coexistence by sharing the crystal lattice, and will be helpful for understanding the role of additives in the gas hydrate crystallization.

Graphical abstract: Abnormal incorporation of amino acids into the gas hydrate crystal lattice

Supplementary files

Article information

Article type
Communication
Submitted
03 Nov 2014
Accepted
05 Nov 2014
First published
05 Nov 2014

Phys. Chem. Chem. Phys., 2014,16, 26730-26734

Abnormal incorporation of amino acids into the gas hydrate crystal lattice

J. Sa, G. Kwak, B. R. Lee, D. Ahn and K. Lee, Phys. Chem. Chem. Phys., 2014, 16, 26730 DOI: 10.1039/C4CP05056H

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