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Morphological and Physical Analysis of Natural Phospholipids-Based Biomembranes: e107435

PloS one, 2014-09, Vol.9 (9) [Peer Reviewed Journal]

EISSN: 1932-6203 ;DOI: 10.1371/journal.pone.0107435

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  • Title:
    Morphological and Physical Analysis of Natural Phospholipids-Based Biomembranes: e107435
  • Author: Jacquot, Adrien ; Francius, Gregory ; Razafitianamaharavo, Angelina ; Dehghani, Fariba ; Tamayol, Ali ; Linder, Michel ; Arab-Tehrany, Elmira
  • Subjects: Salmonidae
  • Is Part Of: PloS one, 2014-09, Vol.9 (9)
  • Description: Background Liposomes are currently an important part of biological, pharmaceutical, medical and nutritional research, as they are considered to be among the most effective carriers for the introduction of various types of bioactive agents into target cells. Scope of Review In this work, we study the lipid organization and mechanical properties of biomembranes made of marine and plant phospholipids. Membranes based on phospholipids extracted from rapeseed and salmon are studied in the form of liposome and as supported lipid bilayer. Dioleylphosphatidylcholine (DOPC) and dipalmitoylphosphatidylcholine (DPPC) are used as references to determine the lipid organization of marine and plant phospholipid based membranes. Atomic force microscopy (AFM) imaging and force spectroscopy measurements are performed to investigate the membranes' topography at the micrometer scale and to determine their mechanical properties. Major Conclusions The mechanical properties of the membranes are correlated to the fatty acid composition, the morphology, the electrophoretic mobility and the membrane fluidity. Thus, soft and homogeneous mechanical properties are evidenced for salmon phospholipids membrane containing various polyunsaturated fatty acids. Besides, phase segregation in rapeseed membrane and more important mechanical properties were emphasized for this type of membranes by contrast to the marine phospholipids based membranes. General Significance This paper provides new information on the nanomechanical and morphological properties of membrane in form of liposome by AFM. The originality of this work is to characterize the physico-chemical properties of the nanoliposome from the natural sources containing various fatty acids and polar head.
  • Language: English
  • Identifier: EISSN: 1932-6203
    DOI: 10.1371/journal.pone.0107435
  • Source: Public Library of Science (PLoS) Journals Open Access
    Open Access: PubMed Central
    DOAJ Directory of Open Access Journals
    Geneva Foundation Free Medical Journals at publisher websites
    ProQuest Central
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