Characterization and cellular interaction of fluorescent-labeled PHEMA nanoparticles

Area of Science:

• Biomaterials Science
• Nanotechnology
• Cell Biology

Background:

• Efficient cell labeling is crucial for various biological and medical applications.
• Polymeric nanoparticles offer tunable properties for drug delivery and imaging.
• Acridine orange is a fluorescent dye used for nucleic acid staining.

Purpose of the Study:

• To synthesize and characterize acridine orange-loaded poly(2-hydroxyethyl methacrylate) nanoparticles for effective cell labeling.
• To evaluate the suitability of these nanoparticles for cellular imaging.
• To assess the biocompatibility of the synthesized nanoparticles.

Main Methods:

• Synthesis of poly(2-hydroxyethyl methacrylate) nanoparticles via miniemulsion polymerization.
• Characterization using techniques such as zeta sizer, zeta potential, AFM, SEM, TEM, fluorescence microscopy, FTIR, and elemental analysis.
• In vitro toxicity assessment using the MTT assay.

Main Results:

• Successful synthesis of acridine orange-loaded poly(2-hydroxyethyl methacrylate) nanoparticles.
• Comprehensive physicochemical characterization confirming nanoparticle properties.
• Demonstrated low cytotoxicity of the nanoparticles, indicating good biocompatibility.

Conclusions:

• Acridine orange-loaded poly(2-hydroxyethyl methacrylate) nanoparticles are effectively synthesized and characterized.
• These nanoparticles show promise as efficient and safe agents for cell labeling and imaging.
• The developed nanoparticles represent a viable tool for cellular studies.