Multiscale Modeling of Vascular Dynamics of Micro- and Nano-particles

1 Background

1.1 Blood flow in human vasculature

1.2 Vascular targeting and margination of particles in blood flow

1.3 Adhesion of particles on endothelium wall

I Numerical Method

2 Numerical methods: fluid structure interaction and adhesive dynamics

2.1 Fluid-structure interaction

2.1.1 Plasma dynamics: Lattice Boltzmann method

2.1.2 Coarse-grained model for blood cells and particles

2.1.3 Immersed boundary method

2.2 Adhesive dynamics

2.3 Validation of Numerical Method

2.3.1 Validation of RBC Model

2.3.2 Validation of RBC suspension

II Applications

3 Anomalous vascular dynamics of nanoworms within blood flow

3.1 Motivation

3.2 Experimental and computational results

3.2.1 Experiment

3.2.2 Computational results

4 Adhesion behavior of single cell on endothelial wall

4.1 Introduction

4.2 Computational model

4.3 Results and Discussion

4.3.1 Four Types of Motion and Demargination

4.3.2 Effect of Particle Stiffness on Formation of Bonds and Adhesive Force

4.3.3 Phase Diagram and Scaling Relationship

5 Localization of soft particle: margination and adhesion

5.1 Introduction

5.2 Physical Problem and Computational Method

5.2.1 Physical problem

5.3 Results and Discussion

5.3.1 Margination of elastic MPs without adhesion

5.3.2 Adhesion effect on localization of elastic MPs at wall

5.3.3 Adhesion behavior of elastic MPs

5.3.4 Mechanism of localization of elastic MPs under adhesion

6 Shape dependent transport of micro-particles in blood flow: from margination to adhesion

6.1 Introduction

6.2 Computational model setup

6.3 Results and Discussion

6.3.1 Margination of MPs without adhesion

6.3.2 Margination of MPs with adhesion

6.3.3 Mechanism of adhesion effect

A Coarse-grained potential for RBC