Calcein permeation across phosphatidylcholine bilayer membrane: Effects of membrane fluidity, liposome size, and immobilization

Toshinori Shimanouchi, Haruyuki Ishii, Noriko Yoshimoto, Hiroshi Umakoshi, Ryoichi Kuboi

Research output: Contribution to journalArticle

87 Citations (Scopus)

Abstract

The permeation of calcein across the phospholipid bilayer membrane is a key phenomenon in the detection system using liposomes as a sensor unit. The behavior of the calcein release from the liposome was analyzed by a first-order kinetic to obtain the permeability coefficient, Ps [cm/s]. The Ps value for the neutral liposome, prepared by zwitterionic 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine (POPC), was found to depend on both the diameter of liposome and the temperature. The membrane fluidity of the POPC liposome, evaluated by the hydrophobic probe, 1-(4-trimethyl-aminophenyl)-6-diphenyl-1,3,5-hexatriene, was also dependent on the liposome diameter and the temperature. The Ps values for various neutral liposomes under gel phase or liquid-crystalline phase were correlated with their membrane fluidity, although some data were a little scattered, possibly due to the lamellarity. It is therefore considered that the membrane fluidity dominates the permeability of calcein across the neutral phospholipid membrane. Based on the above results, the Ps value for liposomes immobilized on the solid surface is discussed.

Original languageEnglish
Pages (from-to)156-160
Number of pages5
JournalColloids and Surfaces B: Biointerfaces
Volume73
Issue number1
DOIs
Publication statusPublished - Oct 1 2009
Externally publishedYes

Fingerprint

Membrane Fluidity
Fluidity
Liposomes
Phosphatidylcholines
immobilization
Permeation
Immobilization
membranes
Membranes
permeability
Phospholipids
Permeability
solid surfaces
Temperature
fluorexon
gels
Hydraulic conductivity
temperature
probes
sensors

Keywords

  • Calcein permeation
  • Immobilization
  • Liposome
  • Membrane fluidity
  • Size

ASJC Scopus subject areas

  • Biotechnology
  • Colloid and Surface Chemistry
  • Physical and Theoretical Chemistry
  • Surfaces and Interfaces

Cite this

Calcein permeation across phosphatidylcholine bilayer membrane : Effects of membrane fluidity, liposome size, and immobilization. / Shimanouchi, Toshinori; Ishii, Haruyuki; Yoshimoto, Noriko; Umakoshi, Hiroshi; Kuboi, Ryoichi.

In: Colloids and Surfaces B: Biointerfaces, Vol. 73, No. 1, 01.10.2009, p. 156-160.

Research output: Contribution to journalArticle

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