Partitioning behavior and stabilization of hydrophobically coated HfO2, ZrO2 and Hfx Zr 1-x O2 nanoparticles with natural organic matter reveal differences dependent on crystal structure.

[1]  Jose R Peralta-Videa,et al.  Nanomaterials and the environment: a review for the biennium 2008-2010. , 2011, Journal of hazardous materials.

[2]  T. Patten,et al.  Identification of acidic phosphorus-containing ligands involved in the surface chemistry of CdSe nanoparticles prepared in tri-N-octylphosphine oxide solvents. , 2008, Journal of the American Chemical Society.

[3]  C. T. Chiou,et al.  A comparison of water solubility enhancements of organic solutes by aquatic humic materials and commercial humic acids , 1987 .

[4]  Jamie R Lead,et al.  Interaction between manufactured gold nanoparticles and naturally occurring organic macromolecules. , 2008, The Science of the total environment.

[5]  J. Reuter,et al.  A statistical model of proton binding by humus , 1984 .

[6]  J. Xiao,et al.  Effect of dissolved organic matter on the stability of magnetite nanoparticles under different pH and ionic strength conditions. , 2010, The Science of the total environment.

[7]  S. Banerjee,et al.  Mechanism of the Electrophoretic Deposition of CdSe Nanocrystal Films: Influence of the Nanocrystal Surface and Charge , 2008 .

[8]  Vicki H. Grassian,et al.  When Size Really Matters: Size-Dependent Properties and Surface Chemistry of Metal and Metal Oxide Nanoparticles in Gas and Liquid Phase Environments† , 2008 .

[9]  A. R. Fraser,et al.  Infrared spectroscopic evidence supporting heterogeneous site binding models for humic substances. , 2005, Environmental science & technology.

[10]  J. Buffle,et al.  A TRANSMISSION ELECTRON MICROSCOPY STUDY OF THE FRACTAL PROPERTIES AND AGGREGATION PROCESSES OF HUMIC ACIDS , 2004 .

[11]  Robert L. Tanguay,et al.  In vivo biodistribution and toxicity depends on nanomaterial composition, size, surface functionalisation and route of exposure , 2008 .

[12]  M. Steigerwald,et al.  Raman scattering inHfxZr1−xO2nanoparticles , 2005 .

[13]  Yimei Zhu,et al.  Solid-solution nanoparticles : Use of a nonhydrolytic sol-gel synthesis to prepare HfO2 and HfxZr1-xO2 nanocrystals , 2004 .

[14]  Thilini P. Rupasinghe,et al.  Aggregation and dissolution of 4 nm ZnO nanoparticles in aqueous environments: influence of pH, ionic strength, size, and adsorption of humic acid. , 2011, Langmuir : the ACS journal of surfaces and colloids.

[15]  J. Croué,et al.  Peer Reviewed: Characterizing Aquatic Dissolved Organic Matter , 2003 .

[16]  K. Elkins,et al.  Spectroscopic approaches to the study of the interaction of aluminum with humic substances , 2002 .

[17]  Joseph Margolis,et al.  THE TROUBLE WITH TERROR , 2007 .

[18]  C. Clapp,et al.  SIZES AND SHAPES OF HUMIC SUBSTANCES , 1999 .

[19]  M. Steigerwald,et al.  Raman scattering in HfxZr1-xO2 nanoparticles , 2005 .

[20]  M. El-Sayed,et al.  Chemistry and properties of nanocrystals of different shapes. , 2005, Chemical reviews.

[21]  Victor Puntes,et al.  Distribution and potential toxicity of engineered inorganic nanoparticles and carbon nanostructures in biological systems , 2008 .

[22]  Pratim Biswas,et al.  Assessing the risks of manufactured nanomaterials. , 2006, Environmental science & technology.

[23]  Hongtao Wang,et al.  Stability and aggregation of metal oxide nanoparticles in natural aqueous matrices. , 2010, Environmental science & technology.

[24]  Tobin J. Marks,et al.  Gate Dielectrics for Organic Field‐Effect Transistors: New Opportunities for Organic Electronics , 2005 .

[25]  C. T. Chiou,et al.  Water solubility enhancements of DDT and trichlorobenzene by some surfactants below and above the critical micelle concentration , 1989 .

[26]  Michael F. Ashby,et al.  Nanomaterials, nanotechnologies and design , 2009 .

[27]  D. Fischer,et al.  Nonhydrolytic Synthesis and Electronic Structure of Ligand-Capped CeO2−δ and CeOCl Nanocrystals , 2009 .

[28]  Philippe Le Coustumer,et al.  Conformation and size of humic substances: Effects of major cation concentration and type, pH, salinity, and residence time , 2006 .

[29]  N. Loux,et al.  An Assessment of the Fate of Metal Oxide Nanomaterials in Porous Media , 2008 .

[30]  Jae-Hong Kim,et al.  Natural organic matter stabilizes carbon nanotubes in the aqueous phase. , 2007, Environmental science & technology.

[31]  Nanna B. Hartmann,et al.  Environmental behavior and ecotoxicity of engineered nanoparticles to algae, plants, and fungi , 2008, Ecotoxicology.

[32]  M. Schnitzer,et al.  ORGANO‐METALLIC INTERACTIONS IN SOILS: 3. PROPERTIES OF IRON- AND ALUMINUM‐ORGANIC-MATTER COMPLEXES, PREPARED IN THE LABORATORY AND EXTRACTED , 1964 .

[33]  C. Musgrave,et al.  First-principles calculations of structural and electronic properties of monoclinic hafnia surfaces , 2006 .

[34]  Clark C. K. Liu,et al.  Effect of molecular structures on the solubility enhancement of hydrophobic organic compounds by environmental amphiphiles , 2002, Environmental toxicology and chemistry.

[35]  Diana S Aga,et al.  Natural organic matter-mediated phase transfer of quantum dots in the aquatic environment. , 2009, Environmental science & technology.

[36]  A. Alivisatos,et al.  Reaction chemistry and ligand exchange at cadmium-selenide nanocrystal surfaces. , 2008, Journal of the American Chemical Society.

[37]  S. Banerjee,et al.  Precursor control of crystal structure and stoichiometry in twin metal oxide nanocrystals , 2009 .

[38]  S. Bhatia,et al.  Probing the Cytotoxicity Of Semiconductor Quantum Dots. , 2004, Nano letters.

[39]  V. Grassian,et al.  The devil is in the details (or the surface): impact of surface structure and surface energetics on understanding the behavior of nanomaterials in the environment. , 2011, Journal of environmental monitoring : JEM.

[40]  Louis E. Brus,et al.  Raman scattering in Hf x Zr 1 − x O 2 nanoparticles , 2005 .

[41]  B. S. Tomar,et al.  The time differential perturbed angular correlation study of binding of hafnium to humic acid and its model compound , 2009 .

[42]  H. Karlsson,et al.  Size-dependent toxicity of metal oxide particles--a comparison between nano- and micrometer size. , 2009, Toxicology letters.

[43]  John Crittenden,et al.  Impact of natural organic matter and divalent cations on the stability of aqueous nanoparticles. , 2009, Water research.

[44]  Jon-Paul Maria,et al.  Alternative dielectrics to silicon dioxide for memory and logic devices , 2000, Nature.

[45]  H. O N G T A O W A N G,et al.  Stability and Aggregation of Metal Oxide Nanoparticles in Natural Aqueous Matrices , 2010 .

[46]  David F. Watson,et al.  Partitioning of hydrophobic CdSe quantum dots into aqueous dispersions of humic substances: influence of capping-group functionality on the phase-transfer mechanism. , 2010, Journal of colloid and interface science.

[47]  Rebekah Drezek,et al.  Forming biocompatible and nonaggregated nanocrystals in water using amphiphilic polymers. , 2007, Journal of the American Chemical Society.

[48]  R. Wershaw A new model for humic materials and their interactions with hydrophobic organic chemicals in soil-water or sediment-water systems , 1986 .

[49]  D. Kinniburgh,et al.  Metal ion binding to humic substances: application of the non-ideal competitive adsorption model. , 1995, Environmental science & technology.

[50]  I. M. Iskandarova,et al.  First-principle investigation of the hydroxylation of zirconia and hafnia surfaces , 2003 .

[51]  Damià Barceló,et al.  Ecotoxicity and analysis of nanomaterials in the aquatic environment , 2009, Analytical and bioanalytical chemistry.

[52]  Vicki Stone,et al.  Research priorities to advance eco-responsible nanotechnology. , 2009, ACS nano.

[53]  Lang Tran,et al.  Safe handling of nanotechnology , 2006, Nature.

[54]  G. Sposito,et al.  Molecular structure in soil humic substances: the new view. , 2005, Environmental science & technology.

[55]  Jean-Philippe Croué,et al.  Characterizing aquatic dissolved organic matter. , 2003, Environmental science & technology.

[56]  S. Jansen,et al.  Conformational Modeling of a New Building Block of Humic Acid: Approaches to the Lowest Energy Conformer , 1999 .

[57]  W. Buhro,et al.  The trouble with TOPO; identification of adventitious impurities beneficial to the growth of cadmium selenide quantum dots, rods, and wires. , 2008, Nano letters.

[58]  J. Kao,et al.  Spectroscopic identification of tri-n-octylphosphine oxide (TOPO) impurities and elucidation of their roles in cadmium selenide quantum-wire growth. , 2009, Journal of the American Chemical Society.

[59]  J. Pignatello,et al.  Sorption of apolar aromatic compounds to soil humic acid particles affected by aluminum(III) ion Cross-Linking. , 2004, Journal of environmental quality.

[60]  M. Schnitzer,et al.  ORGANO‐METALLIC INTERACTIONS IN SOILS: 4. CARBOXYL AND HYDROXYL GROUPS IN ORGANIC MATTER AND METAL RETENTION , 1965 .