Superoxide dismutase mimetic properties exhibited by vacancy engineered ceria nanoparticles

被引:1024
作者
Korsvik, Cassandra
Patil, Swanand
Seal, Sudipta
Self, William T. [1 ]
机构
[1] Univ Cent Florida, Burnett Coll Biomed Sci, Dept Mol Biol & Microbiol, Orlando, FL 32816 USA
[2] Univ Cent Florida, Adv Mat Proc & Anal Ctr, Neurosci & Technol Ctr, Orlando, FL 32816 USA
关键词
D O I
10.1039/b615134e
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
In this report ceria nanoparticles are shown to act as catalysts that mimic superoxide dismutase (SOD) with the catalytic rate constant exceeding that determined for the enzyme SOD.
引用
收藏
页码:1056 / 1058
页数:3
相关论文
共 23 条
  • [1] NATURE OF THE USE OF ADVENTITIOUS CARBON AS A BINDING-ENERGY STANDARD
    BARR, TL
    SEAL, S
    [J]. JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS, 1995, 13 (03): : 1239 - 1246
  • [2] Waltzing with O2
    Campbell, CT
    [J]. SCIENCE, 2003, 299 (5605) : 357 - 357
  • [3] COMPUTER MODELING OF SURFACES AND DEFECTS ON CERIUM DIOXIDE
    CONESA, JC
    [J]. SURFACE SCIENCE, 1995, 339 (03) : 337 - 352
  • [4] Renewable hydrogen from ethanol by autothermal reforming
    Deluga, GA
    Salge, JR
    Schmidt, LD
    Verykios, XE
    [J]. SCIENCE, 2004, 303 (5660) : 993 - 997
  • [5] Size dependency variation in lattice parameter and valency states in nanocrystalline cerium oxide
    Deshpande, S
    Patil, S
    Kuchibhatla, SVNT
    Seal, S
    [J]. APPLIED PHYSICS LETTERS, 2005, 87 (13) : 1 - 3
  • [6] Electron localization determines defect formation on ceria substrates
    Esch, F
    Fabris, S
    Zhou, L
    Montini, T
    Africh, C
    Fornasiero, P
    Comelli, G
    Rosei, R
    [J]. SCIENCE, 2005, 309 (5735) : 752 - 755
  • [7] SUPEROXIDE DISMUTASE - COMPARISON OF RATE CONSTANTS
    FORMAN, HJ
    FRIDOVICH, I
    [J]. ARCHIVES OF BIOCHEMISTRY AND BIOPHYSICS, 1973, 158 (01) : 396 - 400
  • [8] FRIDOVICH I, 1970, J BIOL CHEM, V245, P4053
  • [9] Characterization of surface defects on epitaxial CeO2(001) films
    Herman, GS
    [J]. SURFACE SCIENCE, 1999, 437 (1-2) : 207 - 214
  • [10] DEFECT EQUILIBRIA FOR EXTENDED POINT-DEFECTS, WITH APPLICATION TO NONSTOICHIOMETRIC CERIA
    LAND, PL
    [J]. JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 1973, 34 (11) : 1839 - 1845