Shape dependent peroxidase mimetic activity towards oxidation of pyrogallol by H2O2

Truncated octahedron shaped magnetite nanoparticles have been prepared via a chemical method and subsequently their shape dependent peroxidase mimetic activity has been verified using pyrogallol substrate. Their peroxidase mimetic activity has been found to be superior to that of spherical-shaped nanoparticles.

[1]  Chandana Mohanty,et al.  Dual drug loaded superparamagnetic iron oxide nanoparticles for targeted cancer therapy. , 2010, Biomaterials.

[2]  Y. Shao-horn,et al.  Roles of surface steps on Pt nanoparticles in electro-oxidation of carbon monoxide and methanol. , 2009, Journal of the American Chemical Society.

[3]  Mu-Yi Hua,et al.  Magnetic resonance monitoring of focused ultrasound/magnetic nanoparticle targeting delivery of therapeutic agents to the brain , 2010, Proceedings of the National Academy of Sciences.

[4]  Miqin Zhang,et al.  Design and fabrication of magnetic nanoparticles for targeted drug delivery and imaging. , 2010, Advanced drug delivery reviews.

[5]  Arend Heerschap,et al.  Magnetic resonance tracking of dendritic cells in melanoma patients for monitoring of cellular therapy , 2005, Nature Biotechnology.

[6]  J. Cheon,et al.  Nanoscaling laws of magnetic nanoparticles and their applicabilities in biomedical sciences. , 2008, Accounts of chemical research.

[7]  Xingguo Chen,et al.  Colorimetric determination of melamine in dairy products by Fe(3)O(4) magnetic nanoparticles-H(2)O(2)-ABTS detection system. , 2010, Analytical chemistry.

[8]  Shan X. Wang,et al.  Shape-controlled synthesis and shape-induced texture of MnFe2O4 nanoparticles. , 2004, Journal of the American Chemical Society.

[9]  D. Converso,et al.  Peroxidase isozymes from wheat germ: purification and properties , 1995 .

[10]  Self‐Assembly and Self‐Orientation of Truncated Octahedral Magnetite Nanocrystals , 2005, cond-mat/0512433.

[11]  R. McDermott,et al.  Ultrasensitive magnetic biosensor for homogeneous immunoassay. , 2000, Proceedings of the National Academy of Sciences of the United States of America.

[12]  Huang-Hao Yang,et al.  Magnetite-containing spherical silica nanoparticles for biocatalysis and bioseparations. , 2004, Analytical chemistry.

[13]  A. Hütten,et al.  Magnetic nanoparticles: applications beyond data storage. , 2005, Nature materials.

[14]  Zhichuan J. Xu,et al.  Controlled synthesis and chemical conversions of FeO nanoparticles. , 2007, Angewandte Chemie.

[15]  R. Rege,et al.  Enzymatic oxidation of unconjugated bilirubin to assess its interactions with taurocholate. , 1987, Journal of lipid research.

[16]  Zhong Lin Wang,et al.  Formation of orientation-ordered superlattices of magnetite magnetic nanocrystals from shape-segregated self-assemblies. , 2006, The journal of physical chemistry. B.

[17]  A. Alivisatos.  Semiconductor Clusters, Nanocrystals, and Quantum Dots , 1996, Science.

[18]  Hidekazu Tanaka,et al.  Effect of ferrous/ferric ions molar ratio on reaction mechanism for hydrothermal synthesis of magnetite nanoparticles , 2008 .

[19]  Itamar Willner,et al.  Integrated nanoparticle-biomolecule hybrid systems: synthesis, properties, and applications. , 2004, Angewandte Chemie.

[20]  Qiang Chen,et al.  Horseradish peroxidase microcapsules based on layer-by-layer polyelectrolyte deposition. , 2009, Journal of environmental sciences.

[21]  Juan C Scaiano,et al.  Light emitting diode irradiation can control the morphology and optical properties of silver nanoparticles. , 2010, Journal of the American Chemical Society.

[22]  J. Ding,et al.  Synthesis of Magnetite Nanooctahedra and Their Magnetic Field-Induced Two-/Three-Dimensional Superstructure , 2010 .

[23]  Yu Zhang,et al.  Intrinsic peroxidase-like activity of ferromagnetic nanoparticles. , 2007, Nature nanotechnology.

[24]  P. Mytych,et al.  Homogeneous photocatalysis by transition metal complexes in the environment , 2004 .

[25]  U Teichgräber,et al.  Magnetite-loaded carrier erythrocytes as contrast agents for magnetic resonance imaging. , 2006, Nano letters.

[26]  Weiguo Song,et al.  Polyhedral maghemite nanocrystals prepared by a flame synthetic method: preparations, characterizations, and catalytic properties. , 2009, ACS nano.

[27]  Siew Lok Toh,et al.  A bFGF-releasing silk/PLGA-based biohybrid scaffold for ligament/tendon tissue engineering using mesenchymal progenitor cells. , 2010, Biomaterials.

[28]  R. Stafford,et al.  Nanoshell-mediated near-infrared thermal therapy of tumors under magnetic resonance guidance , 2003, Proceedings of the National Academy of Sciences of the United States of America.