Related Experiment Video
Updated: May 12, 2026
09:12
Surface Functionalization of Hepatitis E Virus Nanoparticles Using Chemical Conjugation Methods
Published on: May 11, 2018
Hematotoxicological analysis of surface-modified and -unmodified chitosan nanoparticles
Ragima Nadesh1, Dhanya Narayanan, Sreerekha P R
1Amrita Centre for Nanosciences & Molecular Medicine, Amrita Institute of Medical Sciences & Research Centre, Amrita Vishwa Vidyapeetham, Kochi 682041, Kerala, India.
Journal of Biomedical Materials Research. Part A
|April 25, 2013
Summary
Chitosan nanoparticles for drug delivery show improved blood compatibility when prepared in lactic acid and dispersed in saline. This formulation avoids hemolysis and platelet aggregation, making it suitable for intravenous use.
Area of Science:
- Biomaterials Science
- Nanotechnology
- Drug Delivery
Background:
- Chitosan nanoparticles are promising for controlled drug delivery.
- Blood incompatibility limits their intravenous application.
- Optimizing chitosan nanoparticle formulation is crucial for safety.
Purpose of the Study:
- To evaluate the hemocompatibility of chitosan nanoparticles.
- To investigate the impact of processing solvents, dispersing media, and surface modifiers on blood compatibility.
- To identify optimal conditions for chitosan nanoparticle preparation for parenteral applications.
Main Methods:
- Chitosan nanoparticles were prepared using ionotropic gelation.
- Hemolytic activity, platelet aggregation, coagulation, and cytokine induction were assessed.
- Variations included processing solvents (acetic acid, lactic acid), dispersing media (acidic, saline), and surface modifiers (PEG, PVA, EDTA).
Main Results:
- Nanoparticles prepared in lactic acid and dispersed in saline exhibited no hemolysis, platelet aggregation, or coagulation.
- Nanoparticles prepared in acetic acid demonstrated significant hemolysis.
- Surface modifiers generally did not impact blood compatibility, except EDTA which prolonged clotting.
Conclusions:
- Chitosan nanoparticles prepared in lactic acid and dispersed in saline show excellent hemocompatibility.
- This formulation is a potential candidate for safe parenteral drug delivery.
- Optimized processing is key to overcoming chitosan's blood incompatibility for nanocarrier applications.
