Results 201 to 210 of about 16,667 (245)

Nature-Inspired Alternatives to PEG for Next-Generation Long-Circulating Nanocarriers. [PDF]

Int J Nanomedicine
Jan N, Rejili M.
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RBC aggregation in dextran solutions can be measured by flow cytometry

Clinical Hemorheology and Microcirculation, 2017
The impact of macromolecules on RBC aggregation continues to be of interest, nevertheless present measurements still have limitations and need improvement. We applied flow cytometry to measure RBC aggregation in dextran T500 (Dx500) solution. The samples were fixed in the aggregated state by glutaraldehyde.
Hans Baumler, Lian Zhao, Radostina Georgieva   +2 more
exaly   +3 more sources

RBC Adhesion to Vascular Endothelial Cells: More Potent than RBC Aggregation in Inducing Circulatory Disorders

Microcirculation, 2008
ABSTRACTGrowing evidence has suggested that the adhesion of red blood cells (RBCs) to blood vessel wall endothelial cells (ECs) is a potent catalyst of microcirculatory disorders, but direct in vivo documentation has been lacking. In a recent study we have demonstrated the elevation of vascular resistance by RBCs with increased adhesion to ECs and ...
Gregory Barshtein, Saul Yedgar
exaly   +3 more sources

Aggregation of human RBC in binary dextran–PEG polymer mixtures

Biorheology, 2001
The present study was prompted by prior reports suggesting that small polymers can affect RBC aggregation induced by large macromolecules. Human RBC were washed and re‐suspended in isotonic buffer solutions containing 72.5 kDa dextran (DEX 70, 2 g/dl) or 35.0 kDa poly(ethylene glycol) (PEG 35, 0.35 g/dl), then tested for aggregation in these solutions ...
H J Meiselman, T C Fisher
exaly   +3 more sources

A thermal based RBC Aggregation model for two-phase blood flow

Korea Australia Rheology Journal, 2020
Creating a reliable and accurate Red Blood Cell (RBC) aggregation model for small and midsize arteries and veins is still an active research subject with more in focus with a multi-scale approach including mesoscale effects. Better understanding the RBC aggregation requires a multi-phase and multi-scale approach for simulating blood with Newtonian and ...
Mustafa Serdar Celebi
exaly   +2 more sources

Moderate heat treatment of only red blood cells (RBC) slows down the rate of RBC-RBC aggregation in plasma

Biorheology, 1984
Rouleau formation by back scattered light and flow behavior by viscometry of heat-treated (48.4, 48.8 and 49.5°C) and normal (37°C) human red blood cells (RBC) were investigated. Washed RBC were treated in PBS and afterwards resuspended in their own plasma.
D, Lerche, H, Bäumler
openaire   +2 more sources

RBC aggregation in diabetic and pre-eclamptic pregnancy

Clinical Hemorheology and Microcirculation, 1983
Although plasma fibrinogen levels are known to increase during pregnancy, only limited hemorheological information regarding this condition appears to exist in the literature. The present study was thus designed to measure specific rheologic parameters (i.e., the extent and the rate of RBC aggregation, plasma viscosity, plasma fibrinogen concentration)
Ozanne, P., Miller, F.C., Meiselman, H.J.   +2 more
openaire   +1 more source

Interpretation of rheograms for assessing RBC aggregation and deformability

Clinical Hemorheology and Microcirculation, 1987
Some results on the use of viscometry in clinical hemorheology investigation are presented. First, viscometric quantities used in Couette viscometry such as shear rate, shear stress and apparent viscosity are defined. Then, are given details on the two modes of measurement: steady state and unsteady state flow modes.
Lacombe, C., Lelievre, J.C.
openaire   +1 more source

Experimental evaluation of mechanical and electrical properties of RBC suspensions under flow. Role of RBC aggregating agent

Clinical Hemorheology and Microcirculation, 2010
Mechanical and electrical properties of red blood cells (RBC) suspensions in dextran 70 (Dx70), dextran 150 (Dx150), dextran 500 (Dx500) and polyethileneglycol (PEG) 35 000 with different concentrations were evaluated through apparent viscosity and conductivity measurements under steady and unsteady flow conditions.
Antonova, N., Říha, P. (Pavel), Ivanov, I.   +2 more
openaire   +3 more sources

Changes of RBC aggregation in oxygenation-deoxygenation: pH dependency and cell morphology

American Journal of Physiology-Heart and Circulatory Physiology, 2003
The effects of the oxygenation-deoxygenation process on red blood cell (RBC) aggregation were examined in relation to morphological changes in RBCs and the contribution of CO2. A low-shear rheoscope was used to measure the rate of rouleaux (one-dimensional aggregate) formation in diluted autologous plasma exposed to gas mixtures with different Po2and ...
Iwona, Cicha, Yoji, Suzuki, Norihiko, Tateishi, Nobuji, Maeda   +3 more
openaire   +2 more sources