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Research Output 1983 2019

2019

Exploring co-occurrence patterns between organic micropollutants and bacterial community structure in a mixed-use watershed

Gao, H., Lavergne, J. M., Carpenter, C. M. G., Desai, R., Zhang, X., Gray, K. A., Helbling, D. E. & Wells, G., May 1 2019, In : Environmental Science: Processes and Impacts. 21, 5, p. 867-880 14 p.

Research output: Contribution to journalArticle

Bacterial Structures
Watersheds
Surface waters
community structure
watershed
2 Citations (Scopus)

Formal quantum efficiencies for the photocatalytic reduction of CO 2 in a gas phase batch reactor

Cortes, M. A. L. R. M., Hamilton, J. W. J., Sharma, P. K., Brown, A., Nolan, M., Gray, K. A. & Byrne, J. A., Apr 1 2019, In : Catalysis Today. 326, p. 75-81 7 p.

Research output: Contribution to journalArticle

Batch reactors
Carbon Monoxide
Quantum efficiency
Gases
Nanotubes

Photochemical interactions between n-Ag 2 S and n-TiO 2 amplify their bacterial stress response

Wilke, C. M., Petersen, C., Alsina, M. A., Gaillard, J-F. & Gray, K. A., Jan 1 2019, In : Environmental Science: Nano. 6, 1, p. 115-126 12 p.

Research output: Contribution to journalArticle

Nanostructured materials
irradiation
Poisons
Adenosinetriphosphate
Irradiation

Role of surface reconstruction on Cu/TiO2 nanotubes for CO2 conversion

Liu, C., Nauert, S. L., Alsina, M. A., Wang, D., Grant, A., He, K., Weitz, E., Nolan, M., Gray, K. A. & Notestein, J. M., Oct 15 2019, In : Applied Catalysis B: Environmental. 255, 117754.

Research output: Contribution to journalArticle

Surface reconstruction
Nanotubes
Water gas shift
Nanoparticles
gas

Versatile and High-Throughput Polyelectrolyte Complex Membranes via Phase Inversion

Sadman, K., Delgado, D. E., Won, Y., Wang, Q., Gray, K. A. & Shull, K. R., May 1 2019, In : ACS Applied Materials and Interfaces. 11, 17, p. 16018-16026 9 p.

Research output: Contribution to journalArticle

Polyelectrolytes
Throughput
Membranes
Polymeric membranes
Organic solvents
2018
3 Citations (Scopus)

Hybrid Approach for Selective Sulfoxidation via Bioelectrochemically Derived Hydrogen Peroxide over a Niobium(V)-Silica Catalyst

Griffin, J., Taw, E., Gosavi, A., Thornburg, N. E., Pramanda, I., Lee, H. S., Gray, K. A., Notestein, J. M. & Wells, G., Jun 4 2018, In : ACS Sustainable Chemistry and Engineering. 6, 6, p. 7880-7889 10 p.

Research output: Contribution to journalArticle

Niobium
niobium
Peroxides
Hydrogen peroxide
oxidant
2 Citations (Scopus)

Mechanistic studies of chloro- and nitrophenolic degradation on semiconductor surfaces

Gray, K. A., Kamat, P., Stafford, U. & Dieckmann, M., Jan 1 2018, Aquatic and Surface Photochemistry. CRC Press, p. 399-408 10 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Semiconductor materials
Degradation
Photodegradation
Free radicals
Organic compounds

Photo-Initiated Reduction of CO2 by H2 on Silica Surface

Liu, C., Notestein, J. M., Weitz, E. & Gray, K. A., Apr 9 2018, In : ChemSusChem. 11, 7, p. 1163-1168 6 p.

Research output: Contribution to journalArticle

Carbon Monoxide
Silicon Dioxide
silica
Silica
Vacuum

Photo-Initiated Reduction of CO2 by H2 on Silica Surface

Liu, C., Notestein, J. M., Weitz, E. & Gray, K. A., Apr 9 2018, In : ChemSusChem. 11, 7, 1 p.

Research output: Contribution to journalComment/debate

Photolysis
Carbon Monoxide
photolysis
Silicon Dioxide
silica
8 Citations (Scopus)

Synergistic Bacterial Stress Results from Exposure to Nano-Ag and Nano-TiO2 Mixtures under Light in Environmental Media

Wilke, C. M., Wunderlich, B., Gaillard, J-F. & Gray, K. A., Mar 6 2018, In : Environmental Science and Technology. 52, 5, p. 3185-3194 10 p.

Research output: Contribution to journalArticle

Nanostructured materials
Poisons
irradiation
Irradiation
Photochemical reactions
4 Citations (Scopus)

The critical role of light in moderating microbial stress due to mixtures of engineered nanomaterials

Wilke, C. M., Gaillard, J-F. & Gray, K. A., Jan 1 2018, In : Environmental Science: Nano. 5, 1, p. 96-102 7 p.

Research output: Contribution to journalArticle

Nanostructured materials
Poisons
irradiation
Metals
metal
1 Citation (Scopus)

TiO2-based transparent coatings create self-cleaning surfaces

Won, Y., Schwartzenberg, K. & Gray, K. A., Oct 1 2018, In : Chemosphere. 208, p. 899-906 8 p.

Research output: Contribution to journalArticle

Surface cleaning
Glass
coating
Suspensions
glass
2017

Control of pharmaceuticals, personal care products, and other micropollutants: Probing the ability of restored riparian systems to remove trace pollutants

LaVergne, J., Gao, H., Carpenter, C., Helbling, D., Gray, K. A. & Wells, G., Jan 1 2017, Water Environment Federation Technical Exhibition and Conference 2017, WEFTEC 2017. Water Environment Federation, Vol. 2. p. 1241-1254 14 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Wetlands
Drug products
pollutant
microbial community
Surface waters
14 Citations (Scopus)

Multifunctional photo/thermal catalysts for the reduction of carbon dioxide

Schwartzenberg, K. C., Hamilton, J. W. J., Lucid, A. K., Weitz, E., Notestein, J. M., Nolan, M., Byrne, J. A. & Gray, K. A., Feb 1 2017, In : Catalysis Today. 280, p. 65-73 9 p.

Research output: Contribution to journalArticle

Carbon Dioxide
Surface treatment
Carbon dioxide
Oxygen vacancies
Catalysts
2016
11 Citations (Scopus)

Attenuation of Microbial Stress Due to Nano-Ag and Nano-TiO2 Interactions under Dark Conditions

Wilke, C. M., Tong, T., Gaillard, J-F. & Gray, K. A., Oct 18 2016, In : Environmental Science and Technology. 50, 20, p. 11302-11310 9 p.

Research output: Contribution to journalArticle

Nanostructured materials
Toxicity
toxicity
Silver
silver
10 Citations (Scopus)

Chronic addition of a common engineered nanomaterial alters biomass, activity and composition of stream biofilm communities

Binh, C. T. T., Adams, E., Vigen, E., Tong, T., Alsina, M. A., Gaillard, J-F., Gray, K. A., Peterson, C. G. & Kelly, J. J., Jan 1 2016, In : Environmental Science: Nano. 3, 3, p. 619-630 12 p.

Research output: Contribution to journalArticle

Biofilms
Nanostructured materials
biofilm
Biomass
biomass
19 Citations (Scopus)

Direct Evidence of Chelated Geometry of Catechol on TiO2 by a Combined Solid-State NMR and DFT Study

Finkelstein-Shapiro, D., Davidowski, S. K., Lee, P. B., Guo, C., Holland, G. P., Rajh, T., Gray, K. A., Yarger, J. L. & Calatayud, M., Oct 20 2016, In : Journal of Physical Chemistry C. 120, 41, p. 23625-23630 6 p.

Research output: Contribution to journalArticle

Density functional theory
Nuclear magnetic resonance
density functional theory
solid state
nuclear magnetic resonance
17 Citations (Scopus)

Local Interfacial Structure Influences Charge Localization in Titania Composites: Beyond the Band Alignment Paradigm

Nolan, M., Deskins, N. A., Schwartzenberg, K. C. & Gray, K. A., Jan 28 2016, In : Journal of Physical Chemistry C. 120, 3, p. 1808-1815 8 p.

Research output: Contribution to journalArticle

Titania
Titanium
alignment
anatase
rutile
6 Citations (Scopus)

One-Time Addition of Nano-TiO2 Triggers Short-Term Responses in Benthic Bacterial Communities in Artificial Streams

Ozaki, A., Adams, E., Binh, C. T. T., Tong, T., Gaillard, J-F., Gray, K. A. & Kelly, J. J., Feb 1 2016, In : Microbial Ecology. 71, 2, p. 266-275 10 p.

Research output: Contribution to journalArticle

urban runoff
aquatic habitat
bacterial communities
microbial communities
nanomaterials

Transportation Infrastructure and the Future of Cities

Gray, K. A., 2016, Mobility 2050: A Vision for Transportation Infrastructure. Schofer, J. L. & Mahmassani, H. S. (eds.). p. 109-135 25 p.

Research output: Chapter in Book/Report/Conference proceedingOther chapter contribution

2015
64 Citations (Scopus)

Combined Toxicity of Nano-ZnO and Nano-TiO2: From Single- to Multinanomaterial Systems

Tong, T., Wilke, C. M., Wu, J., Binh, C. T. T., Kelly, J. J., Gaillard, J. F. & Gray, K. A., Jul 7 2015, In : Environmental Science and Technology. 49, 13, p. 8113-8123 11 p.

Research output: Contribution to journalArticle

Nanostructured materials
Toxicity
toxicity
Cell membranes
membrane
3 Citations (Scopus)

Comparing acute effects of a nano-TiO2 pigment on cosmopolitan freshwater phototrophic microbes using high-throughput screening

Binh, C. T. T., Peterson, C. G., Tong, T., Gray, K. A., Gaillard, J-F. & Kelly, J. J., Apr 29 2015, In : PloS one. 10, 4, e0125613.

Research output: Contribution to journalArticle

algae
acute effects
Fresh Water
Pigments
Cyanobacteria
4 Citations (Scopus)

Development of hierarchically porous cobalt oxide for enhanced photo-oxidation of indoor pollutants

Cheng, J. P., Shereef, A., Gray, K. A. & Wu, J., Jan 1 2015, In : Journal of Nanoparticle Research. 17, 3

Research output: Contribution to journalArticle

Cobalt
cobalt oxides
Photooxidation
photooxidation
Pollutants
2 Citations (Scopus)

PCBs refocused: Correlation of PCB concentrations in Green Bay legacy sediments with adjacent lithophilic, invasive biota

Macksasitorn, S., Janssen, J. & Gray, K. A., Mar 1 2015, In : Journal of Great Lakes Research. 41, 1, p. 215-221 7 p.

Research output: Contribution to journalArticle

polychlorinated biphenyls
biota
PCB
Neogobius melanostomus
Dreissena bugensis
7 Citations (Scopus)

Phase stability and photoactivity of CuO modified titania nanotube prepared by hydrothermal method

Vijayan, B. K., Schwartzenberg, K. C., Wu, J. & Gray, K. A., Jan 1 2015, In : Journal of Molecular Catalysis A: Chemical. 402, p. 23-28 6 p.

Research output: Contribution to journalArticle

Phase stability
Nanotubes
nanotubes
titanium
Titanium
9 Citations (Scopus)

Probing water and CO2 interactions at the surface of collapsed titania nanotubes using IR spectroscopy

Bhattacharyya, K., Wu, W., Weitz, E., Vijayan, B. K. & Gray, K. A., Sep 1 2015, In : Molecules. 20, 9, p. 15469-15487 19 p.

Research output: Contribution to journalArticle

Nanotubes
Infrared spectroscopy
Spectrum Analysis
nanotubes
titanium
2 Citations (Scopus)

Regularity underlies erratic population abundances in marine ecosystems

Sun, J., Cornelius, S. P., Janssen, J., Gray, K. A. & Motter, A. E., Jun 6 2015, In : Journal of the Royal Society Interface. 12, 107, 20150235.

Research output: Contribution to journalArticle

Aquatic ecosystems
Ecosystems
Ecosystem
Stochastic models
Population
12 Citations (Scopus)

Spectroscopic characterization of TiO2 polymorphs in wastewater treatment and sediment samples

Tong, T., Hill, A. N., Alsina, M. A., Wu, J., Shang, K. Y., Kelly, J. J., Gray, K. A. & Gaillard, J. F., Jan 13 2015, In : Environmental Science and Technology Letters. 2, 1, p. 12-18 7 p.

Research output: Contribution to journalArticle

Waste Water
Polymorphism
Phase composition
Wastewater treatment
anatase
2014
20 Citations (Scopus)
nanomaterials
Nanostructures
acute effects
Nanostructured materials
bacterial communities
41 Citations (Scopus)

Chemical interactions between nano-ZnO and nano-TiO2 in a natural aqueous medium

Tong, T., Fang, K., Thomas, S. A., Kelly, J. J., Gray, K. A. & Gaillard, J-F., Jul 15 2014, In : Environmental Science and Technology. 48, 14, p. 7924-7932 9 p.

Research output: Contribution to journalArticle

Nanostructured materials
dissolution
adsorption
atomic absorption spectroscopy
X-ray spectroscopy
22 Citations (Scopus)

Common freshwater bacteria vary in their responses to short-term exposure to nano-TiO2

Binh, C. T. T., Tong, T., Gaillard, J-F., Gray, K. A. & Kelly, J. J., Feb 1 2014, In : Environmental Toxicology and Chemistry. 33, 2, p. 317-327 11 p.

Research output: Contribution to journalArticle

Fresh Water
pigment
Bacteria
bacterium
Pigments

Counting accessible and active sites on MOx-SiO2 catalysts via selective titration with phenylphosphonic acid

Eaton, T., Boston, A., Thompson, A. B., Thornburg, N., Gray, K. A. & Notestein, J. M., Jan 1 2014, Catalysis and Reaction Engineering Division 2014 - Core Programming Area at the 2014 AIChE Annual Meeting. AIChE, Vol. 2. p. 746-747 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Titration
Catalysts
Acids
phenylphosphonic acid
11 Citations (Scopus)

Counting active sites on titanium oxide-silica catalysts for hydrogen peroxide activation through in situ poisoning with phenylphosphonic acid

Eaton, T. R., Boston, A. M., Thompson, A. B., Gray, K. A. & Notestein, J. M., Jan 1 2014, In : ChemCatChem. 6, 11, p. 3215-3222 8 p.

Research output: Contribution to journalArticle

Catalyst poisoning
Epoxidation
Titanium oxides
poisoning
hydrogen peroxide
23 Citations (Scopus)
Biodegradation
Bioreactors
bioreactor
Effluents
biodegradation
15 Citations (Scopus)

Localization of photoexcited electrons and holes on low coordinated Ti and O sites in free and supported TiO2 nanoclusters

Nolan, M., Iwaszuk, A. & Gray, K. A., Jan 1 2014, In : Journal of Physical Chemistry C. 118, 48, p. 27890-27900 11 p.

Research output: Contribution to journalArticle

Nanoclusters
nanoclusters
Oxygen
Electrons
oxygen
17 Citations (Scopus)

Quantifying accessible sites and reactivity on titania-silica (photo)catalysts: Refining TOF calculations

Eaton, T. R., Campos, M. P., Gray, K. A. & Notestein, J. M., Jan 1 2014, In : Journal of Catalysis. 309, p. 156-165 10 p.

Research output: Contribution to journalArticle

refining
Silicon Dioxide
Refining
reactivity
titanium
2013
20 Citations (Scopus)

CO2 preactivation in photoinduced reduction via surface functionalization of TiO2 nanoparticles

Finkelstein-Shapiro, D., Petrosko, S. H., Dimitrijevic, N. M., Gosztola, D., Gray, K. A., Rajh, T., Tarakeshwar, P. & Mujica, V., Feb 7 2013, In : Journal of Physical Chemistry Letters. 4, 3, p. 475-479 5 p.

Research output: Contribution to journalArticle

Nanoparticles
Charge transfer
nanoparticles
charge transfer
Molecular orbitals
69 Citations (Scopus)

Cytotoxicity of commercial nano-TiO2 to Escherichia coli assessed by high-throughput screening: Effects of environmental factors

Tong, T., Binh, C. T. T., Kelly, J. J., Gaillard, J-F. & Gray, K. A., May 1 2013, In : Water Research. 47, 7, p. 2352-2362 11 p.

Research output: Contribution to journalArticle

Cytotoxicity
Escherichia coli
Toxicity
Screening
environmental factor
91 Citations (Scopus)

Effects of material morphology on the phototoxicity of nano-TiO2 to bacteria

Tong, T., Shereef, A., Wu, J., Binh, C. T. T., Kelly, J. J., Gaillard, J. F. & Gray, K. A., Nov 5 2013, In : Environmental Science and Technology. 47, 21, p. 12486-12495 10 p.

Research output: Contribution to journalArticle

Bacteria
bacterium
toxicity
Nanosheets
anatase
32 Citations (Scopus)

Photoinduced reactions of surface-bound species on titania nanotubes and platinized titania nanotubes: An in situ FTIR study

Wu, W., Bhattacharyya, K., Gray, K. A. & Weitz, E., Oct 10 2013, In : Journal of Physical Chemistry C. 117, 40, p. 20643-20655 13 p.

Research output: Contribution to journalArticle

Nanotubes
carbonates
nanotubes
titanium
Titanium
48 Citations (Scopus)

Role of the surface lewis acid and base sites in the adsorption of CO 2 on titania nanotubes and platinized titania nanotubes: An in situ FT-IR study

Bhattacharyya, K., Danon, A., Vijayan, B. K., Gray, K. A., Stair, P. & Weitz, E., Jun 20 2013, In : Journal of Physical Chemistry C. 117, 24, p. 12661-12678 18 p.

Research output: Contribution to journalArticle

Lewis Bases
Lewis Acids
Carbon Monoxide
Nanotubes
nanotubes

Synthesis-structure-function relations for supported oxides, including quantification of accessible metal oxide active sites on Ti-SiO2 systems

Eaton, T., Gray, K. A. & Notestein, J. M., Jan 1 2013, Engineering Sciences and Fundamentals 2013 - Core Programming Area at the 2013 AIChE Annual Meeting: Global Challenges for Engineering a Sustainable Future. AIChE, Vol. 2. 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Oxides
Metals
2012
11 Citations (Scopus)

Algal Exudates and Stream Organic Matter Influence the Structure and Function of Denitrifying Bacterial Communities

Kalscheur, K. N., Rojas, M., Peterson, C. G., Kelly, J. J. & Gray, K. A., Nov 1 2012, In : Microbial Ecology. 64, 4, p. 881-892 12 p.

Research output: Contribution to journalArticle

bacterial communities
organic matter
Pseudomonas stutzeri
organic carbon
species diversity
95 Citations (Scopus)

Coupling titania nanotubes and carbon nanotubes to create photocatalytic nanocomposites

Vijayan, B. K., Dimitrijevic, N. M., Finkelstein-Shapiro, D., Wu, J. & Gray, K. A., Feb 3 2012, In : ACS Catalysis. 2, 2, p. 223-229 7 p.

Research output: Contribution to journalArticle

Carbon Nanotubes
Nanotubes
Carbon nanotubes
Nanocomposites
Titanium
118 Citations (Scopus)

Effect of dimensionality on the photocatalytic behavior of carbon-titania nanosheet composites: Charge transfer at nanomaterial interfaces

Liang, Y. T., Vijayan, B. K., Lyandres, O., Gray, K. A. & Hersam, M., Jul 5 2012, In : Journal of Physical Chemistry Letters. 3, 13, p. 1760-1765 6 p.

Research output: Contribution to journalArticle

Nanosheets
Nanostructured materials
Charge transfer
Carbon
titanium
47 Citations (Scopus)

Effect of reactor materials on the properties of titanium oxide nanotubes

Danon, A., Bhattacharyya, K., Vijayan, B. K., Lu, J., Sauter, D. J., Gray, K. A., Stair, P. & Weitz, E., Jan 1 2012, In : ACS Catalysis. 2, 1, p. 45-49 5 p.

Research output: Contribution to journalArticle

Titanium oxides
Nanotubes
Stainless Steel
Stainless steel
Acetaldehyde
18 Citations (Scopus)

Effects of anthropogenic inputs on the organic quality of urbanized streams

Kalscheur, K. N., Penskar, R. R., Daley, A. D., Pechauer, S. M., Kelly, J. J., Peterson, C. G. & Gray, K. A., May 15 2012, In : Water Research. 46, 8, p. 2515-2524 10 p.

Research output: Contribution to journalArticle

Effluents
Pyrolysis
pyrolysis
Wastewater
effluent

Nanoscale structure of Ti 1-xNbyO 2 mixed-phase thin films: Distribution of crystal phase and dopants

DeSario, P. A., Wu, J., Grahm, M. E. & Gray, K. A., Mar 28 2012, In : Journal of Materials Research. 27, 6, p. 944-950 7 p.

Research output: Contribution to journalArticle

rutile
Titanium dioxide
Doping (additives)
anatase
Thin films
17 Citations (Scopus)

Nanostructured Titania: The current and future promise of Titania nanotubes

Schwartzenberg, K. C. & Gray, K. A., Aug 1 2012, In : Catalysis Science and Technology. 2, 8, p. 1617-1624 8 p.

Research output: Contribution to journalReview article

Nanotubes
Titanium
Photocatalysis
Electronic properties
Chemical properties

Passive Systems: Using every surface in the built environment: Understanding and Improving the Built Environment

DeSario, P. A. & Gray, K. A., 2012, Handbook of Metropolitan Sustainability: Understanding and Improving the Built Environment. Zeman, F. (ed.). Woodhead Publishing Ltd

Research output: Chapter in Book/Report/Conference proceedingChapter