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CATEGORIES:Mineral Sciences Seminars
SUMMARY:Regenerative Antioxdant Rare Earth Oxide Nanoparti
 cles - Dr Sudiptal Seal
DTSTART;TZID=Europe/London:20110711T160000
DTEND;TZID=Europe/London:20110711T170000
UID:TALK32043AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/32043
DESCRIPTION:\nAbstract:\nReactive oxygen and nitrogen species 
 play a critical role in many degenerative diseases
 . Nanomaterials\, especially modified fullerenes a
 nd cerium oxide nanoparticles\, have been shown to
  effectively protect mammalian cells against damag
 e caused by increased reactive oxygen or nitrogen 
 species\, and has been shown to act as effective s
 uperoxide dismutase mimetic in vitro. The redox ab
 ility of rare earth oxides (ceria\, lanthanides\, 
 etc) has been used in a wide range of applications
  such as three way catalysis\, oxygen buffer syste
 ms\, sensors and corrosion prevention. While these
  nanostructures have been widely used in many inor
 ganic applications\, their role in biology as cata
 lyst is not explored fully. This presentation will
  provide a brief overview of the applications of n
 anoceria in treatment of disorders caused by ROS. 
 The role of size and stability has also been explo
 red. For various practical applications\, synthesi
 s of biocompatible and stable suspensions of nanoc
 eria is essential. It was found that the redox kin
 etics of regenerative ceria nanoparticles can be c
 ontrolled with the type of medium and their implic
 ations in nanobiomedicine is presented. (Funding: 
 National Science Foundation NIRT\, National Instit
 ute of Health RO1)\n
LOCATION:Harker 2 lecture room\, Department of Earth Scienc
 es\, Downing Site
CONTACT:Ian Farnan
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