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- Publications
- Influence
Effects of Electroosmotic Flow on Ionic Current Rectification in Conical Nanopores
- Ye Ai, M. Zhang, S. Joo, M. A. Cheney, S. Qian
- Chemistry
- 12 February 2010
The effects of electroosmotic flow (EOF) on the ionic current rectification (ICR) phenomenon in conical nanopores are studied comprehensively with use of a continuum model, composed of Nernst−Planck… Expand
Effect of linear surface-charge non-uniformities on the electrokinetic ionic-current rectification in conical nanopores.
- S. Qian, S. Joo, Ye Ai, M. A. Cheney, W. Hou
- Chemistry, Medicine
- Journal of colloid and interface science
- 15 January 2009
The electrokinetic ionic-current rectification in a conical nanopore with linearly varying surface-charge distributions is studied theoretically by using a continuum model composed of a coupled… Expand
Goethite surface reactivity: II. A microscopic site-density model that describes its surface area-normalized variability.
- M. Villalobos, M. A. Cheney, Jorge Alcaraz-Cienfuegos
- Chemistry, Medicine
- Journal of colloid and interface science
- 15 August 2009
The model described in this investigation explains the variable macroscopic surface reactivity of different goethite preparations when adsorption data are normalized by surface area, especially the… Expand
The effect of stirring on the morphology of birnessite nanoparticles
- M. A. Cheney, P. Bhowmik, S. Moriuchi, M. Villalobos, S. Qian, S. Joo
- Materials Science
- 2008
The effect of mechanical stirring on the morphology of hexagonal layer-structure birnessite nanoparticles produced from decomposition of KMnO4 in dilute aqueous H2SO4 is investigated, with… Expand
Bio-silica coated with amorphous manganese oxide as an efficient catalyst for rapid degradation of organic pollutant.
- T. Dang, A. Banerjee, M. A. Cheney, S. Qian, S. Joo, B. K. Min
- Materials Science, Medicine
- Colloids and surfaces. B, Biointerfaces
- 1 June 2013
A novel rapid green one-step method is developed for the preparation of bio-silica coated with amorphous MnO2 nanoparticles by treating bio-silica with an acidic permanganate solution. The method… Expand
Ultrasensitive detection of mercury (II) ions using electrochemical surface plasmon resonance with magnetohydrodynamic convection.
- Y. Panta, J. Liu, M. A. Cheney, S. Joo, S. Qian
- Chemistry, Medicine
- Journal of colloid and interface science
- 15 May 2009
A high-precision technique that can detect mercury (II) ions down to 1 fM concentration in aqueous solutions is introduced. The technique combines the conventional electrochemical method, surface… Expand
Uptake and effect of mercury on amino acid losses from the gills of the bivalve mollusks Mytilus californianus and Anodonta californiensis.
- M. A. Cheney, D. Keil, S. Qian
- Chemistry, Medicine
- Journal of colloid and interface science
- 15 April 2008
Inorganic mercury (Hg(2+)) and herbicides are important contaminants of world water systems with effects on aquatic organisms and humans. The uptake of Hg(2+) and glycine by the gills of the bivalve… Expand
A Novel Rapid One-Step Synthesis of Manganese Oxide Nanoparticles at Room Temperature Using Poly(dimethylsiloxane)
- T. Dang, M. A. Cheney, S. Qian, S. Joo, Bong-Ki Min
- Chemistry
- 11 February 2013
We report for the first time a novel rapid synthesis method for manganese oxide (MO) nanoparticles by a reaction between acidic permanganate and poly(dimethylsiloxane) (PDMS). In contrast to the… Expand
Stripping analysis of mercury(II) ionic solutions under magneto-hydrodynamic convection.
- Y. Panta, S. Qian, M. A. Cheney
- Chemistry, Medicine
- Journal of colloid and interface science
- 2008
Inorganic mercury(II) ions are ubiquitous contaminants of world water systems and thus their determination and removal from the environment are important. The effects of magnetic field on the… Expand
Synthesis and characterization of birnessite and cryptomelane nanostructures in presence of Hoffmeister anions
- M. A. Cheney, Robin Jose, A. Banerjee, P. Bhowmik, S. Qian, J. Okoh
- Materials Science
- 2009
The effect of Hoffmeister anions Cl-, SO42-, and ClO4- on the structure and morphology of birnessite and cryptomelane-type manganese dioxide nanostructures, produced by the reduction reaction of… Expand