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Polymeric micelle stability

Paper ID Volume ID Publish Year Pages File Format Full-Text
32225 44912 2012 13 PDF Available
Polymeric micelle stability

SummaryPolymeric micelles provide a platform that can be carefully tuned for drug delivery. The nano-scale aggregates form spontaneously in aqueous solution and can be used to overcome drug insolubility and increase circulation half life. Self-assembled polymeric micelles are dynamic in nature; thermodynamics defines how the system acts as micelles approach equilibrium, while kinetics characterizes the system's behavior over time. In this review, we discuss factors that affect the stability of self-assembled polymeric micelle systems for drug delivery and methods used to study stability. Considerations of polymer composition, drug encapsulation, and environmental conditions influence polymeric micelle stability. Ultimately, we emphasize the importance of investigating micelle systems in physiologically relevant media to improve therapeutic efficacy and reduce systemic toxicity in clinical applications.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (169 K)Download as PowerPoint slideHighlights► Thermodynamic and kinetic parameters influence the stability of polymeric micelles. ► Innovative polymeric micelles require physiologically relevant characterization. ► Rigorous in vitro assessment of micelle stability will better predict in vivo performance. ► Resourceful methods are being utilized to study the stability of micelle systems.

Micelle; Stability; Nanoparticles; Drug delivery; Polymer
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Polymeric micelle stability
Database: Elsevier - ScienceDirect
Journal: - Volume 7, Issue 1, February 2012, Pages 53–65
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Physical Sciences and Engineering Chemical Engineering Bioengineering