Generation of Maxwell-displacement-current of Phospholipid Monolayers at the Air/Water Interface

Sulaiman, K. and Majid, W.H.A. and Muhamad, M.R. (2004) Generation of Maxwell-displacement-current of Phospholipid Monolayers at the Air/Water Interface. Jurnal Fizik Malaysia, 25 (1 & 2). pp. 29-32. ISSN 0128-0333

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Abstract

A series of amphiphilic organic materials of phospholipids with different alkyl chain namely 1,2-dimyristoyl-sn-glycero-3-phosphatidylethanolamine (DMPE) 1,2-dipalmitoyl-sn-glycero-3-phosphatidylethanolamine (DPPE) and 1,2-disteroyl-sn-glycero-phosphatidylethanolamine (DSPE) have been studied as Langmuir monolayers on the water surface. The organization of the Langmuir monolayers have been investigated using Maxwell-Displacement-Current (MDC) measuring technique. The MDC studies can give very essential information on the orientational order of the organic monolayers even at immeasurably low surface pressure. The current is generated due orientational changes of polar molecules induced by the monolayer compression. The features of the first order phase transitions in the surface pressure-area isotherms of the phospholipids monolayer are discussed.

Item Type: Article
Uncontrolled Keywords: phospholipids, amphiphilic organic materials, Maxwell-Displacement-Current measurement technique
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Dept of Physics
Depositing User: miss munirah saadom
Date Deposited: 04 Jan 2013 15:48
Last Modified: 04 Jan 2013 15:48
URI: http://eprints.um.edu.my/id/eprint/5711

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