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Related papers: Energy Spectrum Analysis on a Red Blood Cell Model

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We analyze both the static and dynamic fluctuation spectrum of the red-blood cell in a unified manner, using a simple model of the composite membrane. In this model, the two-dimensional spectrin network that forms the cytoskeleton is…

Soft Condensed Matter · Physics 2007-05-23 N. Gov , A. G. Zilman , S. Safran

The fluid dynamics video presented here outlines recent advances in the simulation of multiphase cellular blood flow through the direct numerical simulations of deformable red blood cells (RBCs) demonstrated through several numerical…

Fluid Dynamics · Physics 2010-10-18 Daniel A. Reasor , Jonathan R. Clausen , Brian M. Yun , Cyrus K. Aidun

Thrombosis is a common complication following the surgical implantation of blood contacting devices, and is strongly influenced by the phenomenon of near-wall enrichment of platelets. This paper describes a multi-constituent continuum…

Fluid Dynamics · Physics 2017-05-09 Wei-Tao Wu , Nadine Aubry , James F. Antaki , Mehrdad Massoudi

The statistical properties (fluctuations) of heartbeat intervals (RR intervals) in ECG are studied and compared with the predictions of Random Matrix Theory (RMT). It is found that heartbeat intervals only locally exhibit the fluctuation…

Medical Physics · Physics 2009-11-10 M. Martinis , V. Mikuta-Martinis , A. Knezevic , J. Crnugelj

We compare the statistical fluctuation properties of the baryon and meson experimental mass spectra with those obtained from theoretical models (quark models and lattice QCD). We find that for the experimental spectra the statistical…

High Energy Physics - Phenomenology · Physics 2025-01-31 L. Muñoz , A. Relaño

The dynamics of red blood cells (RBCs) in oscillatory shear flow was studied using differential equations of three variables: a shape parameter, the inclination angle $\theta$, and phase angle $\phi$ of the membrane rotation. In steady…

Soft Condensed Matter · Physics 2010-06-24 Hiroshi Noguchi

Red blood cells (RBCs) are responsible for transporting oxygen and various metabolites to tissues and organs, as well as removing waste. Several cardiovascular diseases can impair these functions. For instance, in diabetes, increased RBC…

Biological Physics · Physics 2025-01-08 Mehdi Abbasi , Chaouqi Misbah

The flow behavior of blood in microvessels is directly associated with tissue perfusion and oxygen delivery. Current efforts on modeling blood flow have primarily focused on the flow properties of blood with red blood cells (RBCs) having a…

Soft Condensed Matter · Physics 2024-06-03 Wei Chien , Gerhard Gompper , Dmitry A. Fedosov

This paper worked towards modeling blood platelets. Blood platelets, also known as thrombocytes, play a key role in blood clotting which is a vital human function. Furthermore, the role of these entities in strokes, myocardial infarctions,…

Cell Behavior · Quantitative Biology 2012-06-05 Vijay Viswanathan , Seetha Pothapragada

The functionality and viability of stored human red blood cells (RBCs) is an important clinical issue in transfusion. To systematically investigate changes in stored whole blood, the hematological properties of individual RBCs were…

Medical Physics · Physics 2015-06-30 HyunJoo Park , Misook Ji , SangYun Lee , Kyoohyun Kim , Yong-Hak Sohn , Seongsoo Jang , YongKeun Park

The red blood cells or erythrocytes are biconcave shaped cells and consist mostly in a membrane delimiting a cytosol with a high concentration in hemoglobin. This membrane is highly deformable and allows the cells to go through narrow…

Biological Physics · Physics 2012-06-27 Benjamin Mauroy

Dielectric spectra of human blood reveal a rich variety of dynamic processes. Achieving a better characterization and understanding of these processes not only is of academic interest but also of high relevance for medical applications as,…

Biological Physics · Physics 2015-03-13 M. Wolf , R. Gulich , P. Lunkenheimer , A. Loidl

The non-linear behavior of human erythrocytes subjected to shear stress was analyzed using data series from the Erythrocyte Rheometer and a theoretical model was developed. Linear behavior was eliminated by means of a slot filter and a…

Cell Behavior · Quantitative Biology 2018-10-19 Horacio Castellini , Bibiana Riquelme

The dynamics of red blood cells (RBCs) in simple shear flow was studied using a theoretical approach based on three variables: a shape parameter, the inclination angle $\theta$, and phase angle $\phi$ of the membrane rotation. At high shear…

Soft Condensed Matter · Physics 2009-08-07 Hiroshi Noguchi

In the past two decades, under the conditions that both the osmotic pressure $\Delta p$ and tensile stress $\lambda$ equal zero, a rigorous solution (RS) of human red blood cell (RBC) with a minus spontaneous curvature $c_{0}$ has been…

Biological Physics · Physics 2016-08-05 Xue-Jun Zhang , Zhong-Can Ou-Yang

Recently Beccattini and Cleymamns have proposed a model to understand the p-pbar data obtained at RHIC and SPS. We have shown that this model has a much greater applicability and can very well be used to describe the rapidity spectra of…

High Energy Physics - Phenomenology · Physics 2009-01-13 Saeed Uddin , Majhar Ali , Jan Shabir , M. Farooq Mir

Motivated by the complex rheological behaviors observed in small/micro scale blood vessels, such as the Fahraeus effect, plasma-skimming, shear-thinning, etc., we develop a non-linear suspension model for blood. The viscosity is assumed to…

Fluid Dynamics · Physics 2018-12-26 Wei-Tao Wu , Nadine Aubry , James F. Antaki , Mehrdad Massoudi

It is well-known that distinct biological indices (analytes) have distinct variability. We try to use some mathematical algorithms to pick out a set of blood parameters which give an opportunity to retrieve the initial volume of the blood…

Statistics Theory · Mathematics 2011-01-14 V. K. Bozhenko , A. O. Ivanov , A. S. Mishchenko , A. A. Tuzhilin , A. M. Shishkin

We present a new method for the geometric reconstruction of elastic surfaces simulated by the immersed boundary method with the goal of simulating the motion and interactions of cells in whole blood. Our method uses parameter-free radial…

Numerical Analysis · Mathematics 2022-08-31 Andrew Kassen , Aaron Barrett , Varun Shankar , Aaron L. Fogelson

Some populations, such as red blood cells (RBCs), exhibit a pattern of population decline that is closer to linear rather than exponential, which has proven to be unexpectedly challenging to describe with a single simple mathematical model.…

Populations and Evolution · Quantitative Biology 2020-04-14 Irina Kareva , Georgy Karev