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Published on: October 25, 2018
Zwitterionic latex particles as an effective carrier for DNA
T Somasundaran1, Namita Deo, P Somasundaran
1NSF IUCR Center for Advanced Studies in Novel Surfactants, Langmuir Center for Colloid and Interfaces, Columbia University, New York, NY 10027, USA.
Journal of Colloid and Interface Science
|November 18, 2005
Summary
Zwitterionic latex particles show strong association with DNA, forming stable complexes without aggregation. These particles show promise as efficient gene delivery vehicles, capable of carrying DNA under various conditions.
Area of Science:
- Biomaterials Science
- Nanotechnology
- Molecular Biology
Background:
- Gene delivery vehicles are crucial for therapeutic applications.
- Efficient gene delivery requires particles that can associate with DNA and remain stable.
- Zwitterionic materials offer unique surface properties beneficial for biological interactions.
Purpose of the Study:
- To investigate the interaction between zwitterionic latex particles and DNA.
- To evaluate the potential of these particles as gene delivery vehicles.
- To assess the stability of DNA-latex complexes under varying conditions.
Main Methods:
- Adsorption studies to quantify DNA binding.
- Electrokinetic measurements to analyze particle surface charge and stability.
- Visual inspection for particle aggregation upon complexation.
Main Results:
- Zwitterionic latex particles demonstrated significant adsorption of DNA.
- DNA-latex complexation did not induce undesirable particle aggregation.
- The complexes remained stable, indicating suitability for transport.
Conclusions:
- Zwitterionic latex particles exhibit strong DNA association and form stable complexes.
- These particles are promising candidates for efficient gene delivery applications.
- Their stability under changing conditions supports their utility as gene carriers.
