Credentials
Education
-
Ph.D. in Materials Chemistry, University of Illinois at Urbana-Champaign, USA, 2004
M.Sc. in Physical Chemistry, Bar Ilan University, Ramat Gan, 1997
M.Sc. in Physical Chemistry, Moscow National University of Science
and Technology (MISiS), Moscow, 1992
Professional Appointments
-
2023-present Scientist III, US DOE Ames Laboratory, Ames IA.
2019-present Adjunct Assistant Professor, Department of Chemical and Biological Engineering, ISU, Ames IA.
2021-2023 Scientist II, US DOE Ames Laboratory, Ames IA.
2012-2021 Associate Scientist, US DOE Ames Laboratory, Ames IA.
2010-2012 Assistant Scientist III, US DOE Ames Laboratory,
Ames IA.
2007-2010 Assistant Scientist II, US DOE Ames Laboratory,
Ames IA.
2005-2007 Postdoctoral Research Associate, US DOE Ames
Laboratory, Ames IA.
2004-2005 Postdoctoral Research Associate, Department of
Chemical Engineering, University of South Carolina, Columbia, SC.
1999-2004 Graduate Research Assistant, University of Illinois,
Urbana-Champaign. -
1995-1998 Graduate Research Assistant, Bar-Ilan University, Ramat Gan
1989-1992 Undergraduate Research Assistant, Moscow National University of Science and Technology (MISiS)
Honors & Awards
-
2011 US DOE BES Early Career Award
2007 Outstanding Mentor Award (SULI program)
2006 Outstanding Mentor Award (SULI program)
1995-1997 Scholarship of the Israeli Ministry of Science and Technology
1990-1992 Academic Council Scholarship (MISiS)
Areas of Expertise
-
Interfacial phenomena
- Imaging and characterization approaches of soft and beam-sensitive materials
- Nanomaterials synthesis, biomineralization, and template-mediated reaction pathways
Research
Research Interests
-
Interfacial phenomena probed with advanced analytical electron microscopy techniques
- Geologically-inspired separation of rare earth elements
- Application of biomineralization approaches to imaging and characterization of low-contrast nanostructures: metallization of DNA origami probed with advanced analytical electron microscopy techniques in situ. Biomineral crystal formation, evolution, and maturation.
Publications
Capturing Rare-Earth Elements by Synthetic Aluminosilicate MCM-22: Mechanistic Understanding of Yb(III) Capture
ACS Applied Materials & Interfaces 15, 54192-54201,
2023
Response of the Verwey transition in magnetite to a controlled point-like disorder induced by 2.5 MeV electron irradiation
Materials Research Bulletin, 167, 112442,
2023
Metallization of DNA Origami Triangles Probed with HAADF-S/TEM, SEM, and AFM: a Correlative Study
Microscopy and Microanalysis 29, (Supplement_1), 2015,
2023
Interlayer spacing in pillared and grafted MCM-22 type silicas: Density functional theory analysis versus experiment
Physical Chemistry Chemical Physics,
2022
Biogeochemical fingerprinting of magnetotactic bacterial magnetite
Proceedings of the National Academy of Sciences 119 (31), e2203758119,
2022
Atom Probe Tomography Analysis of Mica
Microscopy and Microanalysis 28 (4), 1207-1220,
2022
In-situ STEM Metallization of DNA Origami
Microscopy and Microanalysis, 27 (S2), 35-36,
2021
Salt-induced Liquid-Liquid Phase Separation and Interfacial Crystal Formation in poly(N-isopropylacrylamide)-Capped Gold Nanoparticles
Journal of Physical Chemistry C,
2021
Metabolic engineering of an acid-tolerant yeast strain Pichia kudriavzevii for itaconic acid production
Metabolic Engineering Comm.,
2020
Salt-Mediated Self-Assembly of Poly(ethylene glycol)-Functionalized Gold Nanorods
Sci. Rep. 9, 56730,
2019
Imaging of Unstained DNA Origami Triangles with Electron Microscopy
Small Methods, 3, 1900393,
2019
New approach to electron microscopy imaging of gel nanocomposites in situ
Micron, 120, 104-112 (2019),
2019
Direct Observation of Early Stages of Growth of Multilayered DNA-templated Au-Pd-Au Core-Shell Nanoparticles in Liquid Phase
Frontiers in Bioengineering and Biotechnology, section Nanobiotechnology, 7,
2019
Influence of physical activity on tibial bone material properties in laying hens
J. Struct. Biol. 201, 36-45,
2018
In-Situ Nucleation, Growth and Evolution of Au Nanoparticles during Metallization of DNA Origami Visualized with HAADF-STEM
Microsc. Microanal. 24 (S1), 282, This paper received 2018 M&M Postdoctoral Scholar Award.).,
2018
Correlative Microbially-Assisted Imaging of Cellulose Deconstruction with Electron Microscopy
Microsc. Microanal. 24 (S1), 382,
2018
Off-axis electron holography of bacterial cells and magnetic nanoparticles in liquid
J. R. Soc. Interface Mater. 14, 20170464,
2017
Following Iron Speciation in the Early Stages of Magnetite Magnetosome Biomineralization
J. Mater. Res. Focus issue on Biomineralization and Biomimetics, 31, 547,
2016
Shape Transformation of Bimetallic Au-Pd Core-Shell Nanocubes to Multilayered Au-Pd-Au Core-Shell Hexagonal Platelets
Metallogr. Microstruct. Anal., 4 (6), 481-487,
2015
The Mechanisms for Nanoparticle Surface Diffusion and Chain Self-Assembly Determined from Real-Time Nanoscale Kinetics in Liquid
J. Phys. Chem. C, 119, 21261,
2015
Magnetic microbes: bacterial magnetite biomineralization
Special issue on Biomineralization, Seminars in Cell and Developmental Biology, Invited review. 46, 36,
2015
Silicon Nitride Membrane Resonator Magnetometry of Nanoparticle Aggregates
Canadian J. Phys. 93,1252-1256,
2015
Direct Visualization of the Hydration Layer on Alumina Nanoparticles with the Fluid Cell STEM in situ
Sci. Rep., 5, 9830,
2015
Size control of in vitro synthetized magnetite crystals by MamC from from Magnetococcus marinus MC-1
Appl. Microb. Biot., 99, 5109,
2015
Comparative Study of Magnetic Properties of Nanoparticles by High Frequency Heat Dissipation and Conventional Magnetometry
IEEE Magnetics Let., 5, 4000104,
2014
Correlative Electron and Fluorescence Microscopy of Magnetotactic Bacteria in Liquid: Toward In Vivo Imaging
Sci. Rep. 4, 6854,
2014
Nucleation of Iron Oxide Nanoparticles Mediated by Mms6 Protein In Situ
ACS Nano, 8, 9097-9106,
2014
Iron et al.: Magnetic Signature of Magnetosome Magnetite Doping
Eur. J. Mineral. 26, 457-471,
2014
Visualization of Iron-Binding Micelles in Acidic Recombinant Biomineralization Protein, MamC
J. Nanomaterials, Article ID320124, 7 pages,
2014
Novel Magnetic Nanomaterials Inspired by Magnetotactic Bacteria: Topical Review
Mater. Sci. Eng. R. 173, 133-172,
2013
Stomatobaculum longum gen. nov., sp. nov., an obligately anaerobic bacterium from the human oral cavity
Int. J. Syst. Evol. Microbiol., 63, 1650 (2013),
2013
Chemical purity of Shewanella oneidensis induced magnetites
Geomicrobiol. J. 30, 731,
2013
Multimeric Structure and and Biphasic Iron-Binding Characteristics of Mms6, a Bacterial Protein That Promotes the Formation of Superparamagnetic Magnetite Nanoparticles of Uniform Size and Shape
Biomacromolecules, 13, 98,
2012
A Cultured Greigite-Producing Magnetotactic Bacterium in a Novel Group of Sulfate-Reducing Bacteria
Science 334, 1720,
2011
Synthesis of a Novel Photopolymerized Nanocomposite Hydrogel for Treatment of Acute Mechanical Damage to Cartilage
Acta Biomaterialia 7, 3094,
2011
Obligately Alkaliphilic Magnetotactic Bacteria from Extremely Alkaline Environments
Envir. Microbiol. Envir. Microbiol. Rep. 13, 2342,
2011
Biomimetic Self-Assembling Copolymer-Hydroxyapatite Nanocomposites with the Nanocrystal Size Controlled by Citrate
Chem. Mater. 23, 248,
2011
Doping evolution of the absolute value of the London penetration depth and superfluid density in single crystals of Ba(Fe1−xCox)2As2
Mater. Phys. 82, 0545071,
2010
Effect of High-Intensity Ultrasound on Superconducting Properties of Polycrystalline YBa2Cu3O7-x
25th International Conference on Low-Temperature Physics, Journal of Physics: Conf. Series 150, 052216,
2009
Cobalt Ferrite Nanocrystals: Out-Performing Magnetotactic Bacteria
ACS Nano 1, 228,
2007
Protein-Mediated Synthesis of Uniform Superparamagnetic Magnetite Nanocrystals
Adv. Funct. Mater. 17, 951,
2007
Magnetic irreversibility and Verwey transition in nano-crystalline bacterial magnetite
Phys. Rev. B: Cond. Mat. Mater. Phys. 76 054406/1,
2007