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Volumn 57, Issue 2, 1998, Pages 2123-2128

Deflection of a cell membrane under application of a local force

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EID: 85002435307     PISSN: 1063651X     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevE.57.2123     Document Type: Article
Times cited : (62)

References (46)
  • 20
    • 85037221301 scopus 로고    scopus 로고
    • Here the usual notation for the second Lame coefficient λ and the shear modulus μ is kept. λ is related to the compressibility modulus [Formula Presented] as [Formula Presented] Note that all these values λ, [Formula Presented] and μ are integrated over the membrane width [Formula Presented] (Ref. c1). For membranes λ and K are usually much larger than μ (Refs. c2, c11
    • Here the usual notation for the second Lame coefficient λ and the shear modulus μ is kept. λ is related to the compressibility modulus K as λ=K-2μ/3. Note that all these values λ, K, and μ are integrated over the membrane width h (Ref. 1). For membranes λ and K are usually much larger than μ (Refs. 211).
  • 23
    • 85037204794 scopus 로고    scopus 로고
    • The extensional rigidity of erythrocytes emanates from protein scaffolding underneath the bilayer c11. For present purposes its origin is not important. Note that μ and λ characterize the whole membrane property rather than that of some of its parts. For the sake of simplicity we take into account only dilatation. However, since in most cases [Formula Presented] the contribution of shear deformation is often negligible
    • The extensional rigidity of erythrocytes emanates from protein scaffolding underneath the bilayer 11. For present purposes its origin is not important. Note that μ and λ characterize the whole membrane property rather than that of some of its parts. For the sake of simplicity we take into account only dilatation. However, since in most cases μ≪λ the contribution of shear deformation is often negligible.
  • 25
    • 0001146886 scopus 로고
    • and—in another manner—by, JMAPAQ
    • and—in another manner—by M. Petersen, J. Math. Phys. 26, 711 (1985)
    • (1985) J. Math. Phys. , vol.26 , pp. 711
    • Petersen, M.1
  • 37
    • 85037208310 scopus 로고    scopus 로고
    • The opposite limit [Formula Presented] takes place under [Formula Presented] and corresponds to the case when a spherical shape is globally unstable. In this case the complete expression Eq. (6) for the square part of the free energy should be held and further simplifications are not valid
    • The opposite limit kψΔ2ψ∼BψΔψ∼Dψ2 takes place under p∼10 Pa and corresponds to the case when a spherical shape is globally unstable. In this case the complete expression Eq. (6) for the square part of the free energy should be held and further simplifications are not valid.
  • 38
    • 85037203011 scopus 로고    scopus 로고
    • Note that the elastic charge [Formula Presented] is independent of the angle φ. Dependence of the parameters, [Formula Presented], [Formula Presented], [Formula Presented] on φ should be introduced in order to take into account the possible in-plane asymmetry and the tilt of integral proteins. The tilt takes place in particular under interaction of two proteins (Ref. c20). For the sake of simplicity this dependence is neglected here. This approach also does not take into account the phenomena arising due to the hydrophobic mismatch (Ref. c19
    • Note that the elastic charge q is independent of the angle φ. Dependence of the parameters, a, s, and f0 on φ should be introduced in order to take into account the possible in-plane asymmetry and the tilt of integral proteins. The tilt takes place in particular under interaction of two proteins (Ref. 20). For the sake of simplicity this dependence is neglected here. This approach also does not take into account the phenomena arising due to the hydrophobic mismatch (Ref. 19).
  • 42
    • 85037240373 scopus 로고    scopus 로고
    • U. Seifert, Habilitation theses, Ludwig Maximilians Universität München, 1994
    • U. Seifert, Habilitation theses, Ludwig Maximilians Universität München, 1994.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.