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Volumn 109, Issue 23, 1998, Pages 10361-10371

Membrane stability under electrical stress: A nonlocal electroelastic treatment

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EID: 0012921243     PISSN: 00219606     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.477691     Document Type: Article
Times cited : (14)

References (92)
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  • 32
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    • note
    • cr becomes lower; however, the contraction at small voltages also becomes more extensive, so that its critical value stays approximately the same.
  • 33
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    • Tension-Induced Mutual Adhesion and a Conjectured Superstructure of Lipid Membranes
    • in edited by R. Lipowsky and E. Sackmann Elsevier Science, Washington, D.C. Chap. 14
    • W. Helfrich, Tension-Induced Mutual Adhesion and a Conjectured Superstructure of Lipid Membranes, in Handbook of Biological Physics, edited by R. Lipowsky and E. Sackmann (Elsevier Science, Washington, D.C., 1995), Vol. 1, Chap. 14, pp. 691-721.
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    • Helfrich, W.1
  • 42
    • 77957042676 scopus 로고
    • Electrostatic properties of membranes: The Poisson-Boltzmann theory
    • in edited by R. Lipowsky and E. Sackmann Elsevier Science, Washington, D.C. Chap. 12
    • D. Andelman, Electrostatic properties of membranes: The Poisson-Boltzmann theory, in Handbook of Biological Physics, edited by R. Lipowsky and E. Sackmann (Elsevier Science, Washington, D.C., 1995), Vol. 1, Chap. 12, pp. 603-642.
    • (1995) Handbook of Biological Physics , vol.1 , pp. 603-642
    • Andelman, D.1
  • 43
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    • note
    • * their mean dielectric constant. Such a modification alters estimated voltages negligibly, by ∼2%.
  • 51
    • 22244459661 scopus 로고    scopus 로고
    • note
    • These estimates are based on direct measurements of membrane capacitance under applied voltage (Refs. 2 73 74 75 76 77). The following argument is also illuminating. Since the lipid is incompressible the elastic capacitor model would require significant stretching of the membrane prior to breakdown (a fractional area increase ΔA/A∼2/3) in order to maintain constant volume. However, experimental studies of mechanical rupture indicate that the stretching preceding breakdown does not exceed 2%-5% (Refs. 2, 44, 76 77 78 79) consistent with 1%-3% thinning.
  • 52
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    • note
    • As has been shown (Ref. 80), the stretching modulus that Crowley used was significantly underestimated (by almost two orders of magnitude). As a result the critical voltages that he found were well below 1 V.
  • 53
    • 22244463042 scopus 로고    scopus 로고
    • note
    • 0, estimates which are difficult to verify.
  • 54
    • 22244440657 scopus 로고
    • Solvation of a Metal Surface
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  • 63
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    • note
    • It is more consistent to treat σ as an applied stress, because real bilayers typically attain a tensionless state (Refs. 67 68 81 82 83 84 85). This stress can be created either by mechanical means (e.g., osmotic stress), or by contact between the bilayer and a bulk lipid phase, due to a difference between the chemical potential of lipid in bulk and in the bilayer.
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  • 70
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    • note
    • Similar problems have been considered for various approximations and geometries for both fixed and variable membrane surface charge (Refs. 81, 86 87 88 89 90 91 92).
  • 71
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    • Sinauer Associates, Sunderland, MA
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    • (1994) Micelles, Membranes, Microemulsions, and Monolayers , pp. 251-302
    • Sornette, D.1    Ostrowsky, N.2


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.