Polylactide Based Nanostructured Biomaterials and Their Applications
Polylactide (PLA) is one of the most innovative materials being actively investigated for a wide range of industrial applications. The polymer is a linear aliphatic thermoplastic polyester which is biodegradable as well as biocompatible, which makes it highly versatile and attractive to various commodities and medical applications. A large variety of nanoparticles of different nature and size can be blended with PLA, therefore, generating a new class of nanostructured biomaterials or nanocomposites with interesting physical properties and applications. PLA based nanostructured biomaterials are the focus of this review article, throwing light on their preparation techniques, physical properties, and industrial applications. Structural characteristics and morphological features of PLA based nanocomposites have been explained on the basis of X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). Depending upon the nature and characteristics of the nanoparticles, the ultimate properties of the resulting nanocomposite materials can be tailored. Biocompatible materials such as carbon nanotubes, cellulose nanowhiskers, hydroxyapitite, etc. could be incorporated into the PLA matrix, which increase the potential of PLA for biomedical applications. Applications of PLA based nanostructured materials in different areas have been summarized.
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Document Type: Review Article
Publication date: 2007-08-01
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- Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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