How Spherical Particles Move in Blood Vessels
Author Information
Author(s): Gentile Francesco, Curcio Antonio, Indolfi Ciro, Ferrari Mauro, Decuzzi Paolo
Primary Institution: University of Magna Graecia at Catanzaro
Hypothesis
The study investigates how the size and orientation of spherical particles affect their ability to marginate towards the walls of blood vessels under flow conditions.
Conclusion
Larger spherical particles are more effective at margination towards vascular walls in microcirculation compared to smaller particles.
Supporting Evidence
- Larger particles (d > 200 nm) marginate mainly due to gravitational forces.
- Smaller particles (d < 200 nm) show different margination dynamics influenced by colloidal forces.
- The study provides experimental evidence supporting the use of larger particles for vascular targeting.
Takeaway
This study shows that bigger particles can stick to the walls of blood vessels better than smaller ones when they flow through the body.
Methodology
The study used a parallel plate flow chamber to analyze the margination of spherical particles of varying sizes in a controlled flow environment.
Limitations
The results may not apply when interactions with circulating blood cells are significant.
Statistical Information
P-Value
p = 0.0022, p = 0.0035, p = 0.0047
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website