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Research Output

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., Helbling, D. E. & Wells, G. F., May 2019, In : Environmental Science: Processes and Impacts. 21, 5, p. 867-880 14 p.

Research output: Contribution to journalArticle

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

7 Scopus citations

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

1 Scopus citations

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

4 Scopus citations

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

4 Scopus citations
2018

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

4 Scopus citations

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

2 Scopus citations

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

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

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

11 Scopus citations

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

6 Scopus citations

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

2 Scopus citations
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. & Wells, G., Jan 1 2017, Water Environment Federation Technical Exhibition and Conference 2017, WEFTEC 2017. Water Environment Federation, p. 1241-1254 14 p. (Water Environment Federation Technical Exhibition and Conference 2017, WEFTEC 2017; vol. 2).

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

Multifunctional photo/thermal catalysts for the reduction of carbon dioxide

Schwartzenberg, K. C., Hamilton, J. W. J., Lucid, A. K., Weitz, E., Notestein, J., 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

13 Scopus citations
2016

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

16 Scopus citations

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

14 Scopus citations

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

26 Scopus citations

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

21 Scopus citations

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

10 Scopus citations

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

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

83 Scopus citations

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

4 Scopus citations

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

4 Scopus citations

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

2 Scopus citations

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

7 Scopus citations

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

11 Scopus citations

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

4 Scopus citations

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

20 Scopus citations
2014
26 Scopus citations

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

45 Scopus citations

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

26 Scopus citations

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, p. 746-747 2 p. (Catalysis and Reaction Engineering Division 2014 - Core Programming Area at the 2014 AIChE Annual Meeting; vol. 2).

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

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

14 Scopus citations
26 Scopus citations

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., Dec 4 2014, In : Journal of Physical Chemistry C. 118, 48, p. 27890-27900 11 p.

Research output: Contribution to journalArticle

16 Scopus citations

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

19 Scopus citations
2013

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

21 Scopus citations

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

79 Scopus citations

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

104 Scopus citations

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

39 Scopus citations

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

58 Scopus citations

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

2012

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

18 Scopus citations

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

116 Scopus citations

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

130 Scopus citations

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

49 Scopus citations

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

19 Scopus citations

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

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

19 Scopus citations

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