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Biodegradable polylactic acid nanocapsules containing ciprofloxacin: preparation and characterization
1Artificial Cells and Organs Research Centre, Faculty of Medicine, McGill University, Montreal, Quebec, Canada.
Summary
Researchers developed polylactic acid nanocapsules for delivering the antibacterial agent ciprofloxacin. These nanocapsules demonstrated a high encapsulation rate, showing potential for enhanced drug delivery into macrophages.
Area of Science:
- Drug Delivery Systems
- Nanotechnology
- Pharmacology
Background:
- Nanocapsules are investigated as drug carriers for macrophages.
- Previous research indicates nanocapsules can improve drug efficacy.
- Ciprofloxacin is a widely used antibacterial agent.
Purpose of the Study:
- To prepare and characterize polylactic acid nanocapsules loaded with ciprofloxacin.
- To evaluate the encapsulation efficiency of these nanocapsules.
Main Methods:
- Preparation of ciprofloxacin-loaded nanocapsules using polylactic acid.
- Characterization of nanocapsule size (mean diameter 168 nm).
- Assessment of encapsulation rate in phosphate buffer (pH 7.4).
Main Results:
- Successfully prepared ciprofloxacin nanocapsules with polylactic acid.
- Achieved a mean diameter of 168 nm for the nanocapsules.
- High encapsulation rate observed in phosphate buffer at pH 7.4.
- Demonstrated that nanocapsules can be formulated from ciprofloxacin base.
Conclusions:
- Polylactic acid nanocapsules are effective carriers for ciprofloxacin.
- High encapsulation rates are achievable, suggesting potential for enhanced drug delivery.
- The formulation is suitable for targeting macrophages.