Role of electrical and mechanical properties of red blood cells for their aggregation

Jovtchev, S.; Djenev, I.; Stoeff, S.; Stoylov, Stoyl P.

doi:10.1016/s0927-7757(99)00345-3

Cited by 22 publications

(5 citation statements)

References 36 publications

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“…Electrical and mechanical properties of the membrane also are considered as factors of the aggregation. 42 Thus, changes of the aggregation conditions may be connected with formation of intercellular contacts facilitated by surface aggregated cND, as well as with changes in the membrane properties. 43,44 The influence of cND on the RBC's mechanical properties is observed via variations of the cell deformability related to its membrane rigidity, which depends on the membrane structure and connects with the membrane functionality.…”

Section: Resultsmentioning

confidence: 99%

The influence of nanodiamond on the oxygenation states and micro rheological properties of human red blood cells <italic>in vitro</italic>

et al. 2012

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Section: Resultsmentioning

confidence: 99%

The influence of nanodiamond on the oxygenation states and micro rheological properties of human red blood cells <italic>in vitro</italic>

et al. 2012

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“…Treatment with neuraminidase showed the participation of N-acetyl neuramic acid carboxyl groups in electric charges on the surface of blood cells, and such treatment may enhance differences between regenerating liver cells and hepatoma cells [33,34,36]. Cell surface adsorption of polyelectrolytes (L-polylisine), lectins, or proteins and viruses was shown to specifically change cell electrophoretic mobility [37,38,[46][47][48][49][50]. Changes in the medium pH or counter ion composition and concentration modified the electrophoretic mobility of various cells, increasing the differences in surface properties between these cells depending on the ionogenic groups on their surfaces [16,18,36,50].…”

Section: Cell Electrophoresis -A Methods For Research Into Cell Surfacmentioning

confidence: 99%

Cell electrophoresis — a method for cell separation and research into cell surface properties

Korohoda

Wilk

2008

Cellular and Molecular Biology Letters

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In this paper, we discuss the application of various methods of cell electrophoresis in research into cell surface properties (analytical methods), and the separation of uniform cell subpopulations from cell mixtures (preparative methods). The emphasis is on the prospects of the development of simplified and versatile methodologies, i.e. microcapillary cell electrophoresis and horizontal cell electrophoresis under near-isopycnic conditions. New perspectives are considered on the use of analytical and preparative cell electrophoresis in research on cell differentiation, neoplastic transformation, cell-cell interactions and the biology of stem cells.

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“…The final thickness was determined by averaging 20 transversal scans. The thickness ratio, ZSR = ZS saline /ZS dextran , is referred to RBC aggregation parameter-relative aggregation level of sample with dextran with respect to the control (saline without dextrans) (Jovtchev et al 2000). The higher the ratio, the greater the aggregation induced by dextran when compared to saline.…”

Section: Aggregationmentioning

confidence: 99%

Effect of dextran-induced changes in refractive index and aggregation on optical properties of whole blood

Wang

Elder

et al. 2003

Phys. Med. Biol.

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The purpose of the present study is to investigate systematically the mechanisms of alterations in the optical properties of whole blood immersed in the biocompatible agent dextran, and to define the optimal concentration of dextrans required for blood optical clearing in order to enhance the capability of light penetration depth for optical imaging applications. In the experiments, dextrans with different molecular weights and various concentrations were employed and investigated by the use of the optical coherence tomography technique. Changes in light attenuation, refractive index and aggregation properties of blood immersed in dextrans were studied. It was concluded from the results that the mechanisms for blood optical clearing are characteristic of the types of dextrans employed, their concentrations and the application stages. Among the substances applied, Dx500 at a concentration at 0.5 g dl(-1) gives the best result in improving light penetration depth through the blood. The increase of light transmission at the beginning of the addition of dextrans is mainly attributed to refractive index matching between the scattering centres and the ground matter. Thereafter, the transmission change is probably due to a dextran-induced aggregation-disaggregation effect. Overall, light scattering in the blood could be effectively reduced by the application of dextrans. It represents a promising approach to increasing the imaging depth for in vivo optical imaging of biological tissue, for example optical coherence tomography.

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Role of electrical and mechanical properties of red blood cells for their aggregation

Cited by 22 publications

References 36 publications

The influence of nanodiamond on the oxygenation states and micro rheological properties of human red blood cells <italic>in vitro</italic>

The influence of nanodiamond on the oxygenation states and micro rheological properties of human red blood cells <italic>in vitro</italic>

Cell electrophoresis — a method for cell separation and research into cell surface properties

Effect of dextran-induced changes in refractive index and aggregation on optical properties of whole blood

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