Coherence properties of red blood cell membrane motions

被引：60

作者：

Popescu, Gabriel ^{[1
]}

Park, YongKeun

Dasari, Ramachandra R.

Badizadegan, Kamran

Feld, Michael S.

机构：

[1] Harvard Univ, Massachusetts Gen Hosp, Sch Med, Dept Pathol, Boston, MA 02114 USA

[2] MIT, George R Harrison Spect Lab, Cambridge, MA 02139 USA

来源：

PHYSICAL REVIEW E | 2007年 / 76卷 / 03期

关键词：

D O I：

10.1103/PhysRevE.76.031902

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

We use a highly sensitive, noncontact, optical interferometric technique to quantify the red blood cell membrane fluctuations at the nanometer and millisecond scales. The results reveal significant properties of both temporal and spatial coherence associated with the membrane dynamics. We show that these correlations can be accounted for by the viscoelastic properties of the cell membrane. From this measurement, we extract the loss and storage moduli associated with the membrane and find a crossover frequency at which the buffer viscosity seems to become dominant.

引用

页数：5

共 31 条

[1] DUAL NETWORK MODEL FOR RED-BLOOD-CELL MEMBRANES [J].

BOAL, DH ;

SEIFERT, U ;

ZILKER, A .

PHYSICAL REVIEW LETTERS, 1992, 69 (23) :3405-3408

[2] FREQUENCY SPECTRUM OF FLICKER PHENOMENON IN ERYTHROCYTES [J].

BROCHARD, F ;

LENNON, JF .

JOURNAL DE PHYSIQUE, 1975, 36 (11) :1035-1047

[3] Mechanics of the human red blood cell deformed by optical tweezers [J].

Dao, M ;

Lim, CT ;

Suresh, S .

JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2003, 51 (11-12) :2259-2280

[4] Fast and slow dynamics of the cytoskeleton [J].

Deng, Linhong ;

Trepat, Xavier ;

Butler, James P. ;

Millet, Emil ;

Morgan, Kathleen G. ;

Weitz, David A. ;

Fredberg, Jeffrey J. .

NATURE MATERIALS, 2006, 5 (08) :636-640

[5] MOLECULAR MAPS OF RED-CELL DEFORMATION - HIDDEN ELASTICITY AND IN-SITU CONNECTIVITY [J].

DISCHER, DE ;

MOHANDAS, N ;

EVANS, EA .

SCIENCE, 1994, 266 (5187) :1032-1035

[6] VISCOELASTIC PROPERTIES OF ERYTHROCYTE-MEMBRANES IN HIGH-FREQUENCY ELECTRIC-FIELDS [J].

ENGELHARDT, H ;

GAUB, H ;

SACKMANN, E .

NATURE, 1984, 307 (5949) :378-380

[7] Membrane undulations driven by force fluctuations of active proteins [J].

Gov, N .

PHYSICAL REVIEW LETTERS, 2004, 93 (26)

[8] Cytoskeleton confinement and tension of red blood cell membranes [J].

Gov, N ;

Zilman, AG ;

Safran, S .

PHYSICAL REVIEW LETTERS, 2003, 90 (22) :4

[9] Microrheology of biopolymer-membrane complexes [J].

Helfer, E ;

Harlepp, S ;

Bourdieu, L ;

Robert, J ;

MacKintosh, FC ;

Chatenay, D .

PHYSICAL REVIEW LETTERS, 2000, 85 (02) :457-460

[10] Hilbert phase microscopy for investigating fast dynamics in transparent systems [J].

Ikeda, T ;

Popescu, G ;

Dasari, RR ;

Feld, MS .

OPTICS LETTERS, 2005, 30 (10) :1165-1167

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