Publication

Microfluidic assisted self-assembly of chitosan based nanoparticles as drug delivery agents

Philippe Renaud, Arnaud Bertsch
2013
Journal Articles

Abstract

We present a microfluidic platform for the synthesis of monodisperse chitosan based nanoparticles via self-assembly at physiological pH. The resultant nanoparticles are shown to encapsulate hydrophobic anticancer drugs while providing a sustainable release profile with high tunability.

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Philippe Renaud, Arnaud Bertsch
2013
Journal Articles

Abstract

Official source

Related concepts (13)

Self-assembly

Self-assembly is a process in which a disordered system of pre-existing components forms an organized structure or pattern as a consequence of specific, local interactions among the components themselves, without external direction. When the constitutive components are molecules, the process is termed molecular self-assembly. Self-assembly can be classified as either static or dynamic. In static self-assembly, the ordered state forms as a system approaches equilibrium, reducing its free energy.

Molecular self-assembly

In chemistry and materials science, molecular self-assembly is the process by which molecules adopt a defined arrangement without guidance or management from an outside source. There are two types of self-assembly: intermolecular and intramolecular. Commonly, the term molecular self-assembly refers to the former, while the latter is more commonly called folding. Molecular self-assembly is a key concept in supramolecular chemistry. This is because assembly of molecules in such systems is directed through non-covalent interactions (e.

Self-assembly of nanoparticles

Nanoparticles are classified as having at least one of three dimensions be in the range of 1-100 nm. The small size of nanoparticles allows them to have unique characteristics which may not be possible on the macro-scale. Self-assembly is the spontaneous organization of smaller subunits to form larger, well-organized patterns. For nanoparticles, this spontaneous assembly is a consequence of interactions between the particles aimed at achieving a thermodynamic equilibrium and reducing the system’s free energy.

Related publications (3)

Microfluidic assisted self-assembly of chitosan based nanoparticles as drug delivery agents

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