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Collagen based magnetic nanocomposites for oil removal
 

Summary: Collagen based magnetic
nanocomposites for oil removal
applications
Palanisamy Thanikaivelan1,2
, Narayanan T. Narayanan1
, Bhabendra K. Pradhan3
& Pulickel M. Ajayan1
1
Department of Mechanical Engineering and Materials Science, Rice University, Houston, TX 77005, USA, 2
Advanced Materials
Laboratory, Center for Leather Apparel & Accessories Development, Central Leather Research Institute (Council of Scientific and
Industrial Research), Adyar, Chennai 600020, India, 3
Nanoholdings LLC, 360 Bloombridge Way, Marietta, GA 30066, USA.
A stable magnetic nanocomposite of collagen and superparamagnetic iron oxide nanoparticles (SPIONs) is
prepared by a simple process utilizing protein wastes from leather industry. Molecular interaction between
helical collagen fibers and spherical SPIONs is proven through calorimetric, microscopic and spectroscopic
techniques. This nanocomposite exhibited selective oil absorption and magnetic tracking ability, allowing
it to be used in oil removal applications. The environmental sustainability of the oil adsorbed
nanobiocomposite is also demonstrated here through its conversion into a bi-functional graphitic
nanocarbon material via heat treatment. The approach highlights new avenues for converting bio-wastes

  

Source: Ajayan, Pulickel M. - Department of Mechanical Engineering and Materials Science, Rice University

 

Collections: Materials Science