{"id":1717,"date":"2018-11-08T23:22:56","date_gmt":"2018-11-08T22:22:56","guid":{"rendered":"http:\/\/wp.unil.ch\/lge\/?page_id=1717"},"modified":"2018-11-17T23:55:07","modified_gmt":"2018-11-17T22:55:07","slug":"publications-2","status":"publish","type":"page","link":"https:\/\/wp.unil.ch\/lge\/publications-2\/","title":{"rendered":"Publications"},"content":{"rendered":"

26. Gonzalez-Holguera, G., I.Etui, J. Pe\u00f1a<\/strong> (2018). Contaminant loading and competitive access of Pb, Zn and Mn(III) to vacancy sites in biogenic MnO2. Chemical Geology 502, 76-84. https:\/\/doi.org\/10.1016\/j.chemgeo.2018.10.020<\/a><\/p>\n

25. Lanson, B., F.F. Marafatto, J. Pe\u00f1a<\/strong> (2018). Reply to the \u2018Comment on \u201cCrystal growth and aggregation in suspensions of ?-MnO2 nanoparticles: implications for surface reactivity\u201d\u2019 by A. Manceau, Environ. Sci.: Nano, 5, 2201-2203.<\/p>\n

24. Whitaker, A., J. Pe\u00f1a<\/strong>, M. Amor and O. Duckworth. (2018). Cr(VI) uptake and reduction in biogenic iron oxides assemblages. Env. Sci. Process. Impact. 20 (7), 1056-1068.<\/p>\n

23. van Genuchten, C. M., A. Finger, J.R. van der Meer, and J. Pe\u00f1a<\/strong> (2018). Detection of arsenic by bacterial bioreporters in the presence of Fe(III) (oxy)hydroxide minerals. Env. Sci. Process. Impact. 20, 913-922.<\/p>\n

22. Wang, Y., S Benkaddour, F.F. Marafatto and J. Pe\u00f1a<\/strong> (2018). Diffusion- and pH-dependent reactivity of layer-type MnO2: Reactions at particle edges versus vacancy sites. Environ. Sci. Technol. 52 (6), 3476-3485.<\/p>\n

21. Gueguen, B., J.V. Sorensen, S.V. Lalonde, J. Pe\u00f1a<\/strong>, B.M. Toner and O. Rouxel (2018). Variable Ni isotope fractionation between Fe-oxyhydroxides and implications for the use of Ni isotopes as geochemical tracers. Chem. Geol. 481, 38-52.<\/p>\n

20. Marafatto, F.F., B. Lanson and J. Pe\u00f1a<\/strong> (2018). Crystal growth and aggregation in suspensions of ?-MnO2 nanoparticles: Implications for surface reactivity. Environ. Sci.: Nano., 5, 497-508. https:\/\/10.1039\/C7EN00817A<\/a><\/p>\n

19. van Genuchten, C. M.* and J. Pe\u00f1a<\/strong> (2017). Mn(II) oxidation in Fenton and Fenton-type systems: Identification of reaction efficiency and reaction products. Environ. Sci. Technol., 51 (5), 2982-2991.<\/p>\n

18. van Genuchten, C. M.* and J. Pe\u00f1a<\/strong> (2016). Sorption selectivity of birnessite particle edges: a (21d-PDF analysis of Cd(II) and Pb(II) sorption by ?-MnO2 and ferrihydrite. accepted Env. Sci. Process. Impact, J. Pe\u00f1a featured in Emerging Investigator Issue)<\/p>\n

17. van Genuchten, C. M.* and J. Pe\u00f1a<\/strong> (2016). Antimonate and arsenate speciation on reactive soil minerals studied by differential pair distribution function analysis. Chem. Geol. 429, 1-9.<\/p>\n

16. van Genuchten, C.M*, S.R.S Bandaru, E. Surorova*, S.E. Amrose, Ashok J. Gadgil, and J. Pe\u00f1a<\/strong> (2016). Formation of macroscopic surface layers on Fe(0) electrocoagulation electrodes during a long-term field trial of arsenic treatment. Chemosphere 153, 270-279.<\/p>\n

15. Simanova, A.A.* and J. Pe\u00f1a<\/strong> (2015). Time-resolved investigation of cobalt oxidation by Mn(III) rich d-MnO2 using quick X-ray absorption spectroscopy. Env. Sci. Technol., 49 (18), 10867-10876..<\/p>\n

14. Simanova, A.A.*, K. K. Kwon, E. Bone, J. R. Bargar, K. Refson, G. Sposito, J. Pe\u00f1a<\/strong> (2015). Trace metal sorption on the edge surfaces of birnessite nanoparticles. Geochim. Cosmochim. Acta, 164(1), 191-204.<\/p>\n

13. Marafatto, F.M.*, M.L. Strader, J. Gonzalez-Holguera*, A Schwartzberg, B. Gilbert and J. Pe\u00f1a<\/strong> (2015). Rate and mechanism of the photoreduction of birnessite (MnO2) nanosheets. Proc. Natl. Acad. Sci. U.S.A., 112(15): 4600-4605.<\/p>\n

12. Droz, B.*, N. Dumas*, O.W. Duckworth and J. Pe\u00f1a<\/strong> (2015). A comparison of the sorption reactivity of bacteriogenic and mycogenic Mn oxides nanoparticles. Environ. Sci. Technol., 49(7): 4200-4208.<\/p>\n

11. Pe\u00f1a, J<\/strong>., J. R. Bargar and G. Sposito (2015). Copper sorption by the edge surfaces of birnessite nanoparticles. Chem Geo., 396:196-207.<\/p>\n

10. van Genuchten, C. M.*, A. J. Gadgil, J. Pe\u00f1a<\/strong> (2014). Fe(III) nucleation in the presence of bivalent cations and oxyanions leads to sub-nanoscale 7 \u00c5 polymers. Environ. Sci. Technol. 48(20), 11828-11836.<\/p>\n

9. van Genuchten, C. M.*, J. Pe\u00f1a<\/strong>, S. E. Addy, A. J. Gadgil (2014). Structure of Fe(III) precipitates generated by the electrolytic dissolution of Fe(0) in the presence of groundwater ions. Geochim. Cosmochim. Acta. 127, 285-304.<\/p>\n

8. van Genuchten, C. M., S. E. Addy, J. Pe\u00f1a<\/strong>, A. J. Gadgil (2012). Removing arsenic from synthetic groundwater with iron electrocoagulation: An Fe and As K-edge EXAFS study. Environ. Sci. Technol. 46, 986\u2013994.<\/p>\n

7. Pe\u00f1a, J<\/strong>., J. R. Bargar and G. Sposito (2011). Role of Bacterial Biomass in the Sorption of Ni by Biomass-Birnessite Assemblages. Environ. Sci. Technol.45, 7338-7344.<\/p>\n

6. Pe\u00f1a, J<\/strong>., K.K. Kwon, K.R. Refson, J.R. Bargar and G. Sposito (2010). Mechanisms of Nickel Sorption by Bacteriogenic Birnessite. Geochim. Cosmochim. Acta. 74, 3076-3089.<\/p>\n

5. Kelly, S.D., S.R. Bare, N. Greenlay, G. Azevedo, M. Balasubramanian, D. Barton , S. Chattopadhyay, S. Fakra, B. Johannessen, M. Newville, J. Pe\u00f1a<\/strong>, G. Pokrovski, O. Proux, K. Priolkar, B. Ravel and S. Webb (2009). Comparison of EXAFS Foil Spectra from Around the World. J. Phys.: XAFS14 Conf. Proc. 190, 1-4.<\/p>\n

4. Duckworth, O.W., S.M. Holmstrom, J. Pe\u00f1a<\/strong>, and G. Sposito (2009). Biogeochemistry of Iron Oxidation in a Circumneutral Freshwater Habitat. Chem. Geol. 260, 149-158.<\/p>\n

3. Pe\u00f1a, J<\/strong>., O.W. Duckworth, J.R. Bargar, and G. Sposito (2007). Dissolution of Hausmannite in the Presence of the Trihydroxamate Siderophore Desferrioxamine B. Geochim. Cosmochim. Acta. 71, 5661-5671.<\/p>\n

2. Tokunaga, T.K., J. Wan, J. Pe\u00f1a<\/strong>, E.L. Brodie, M.K. Firestone, T. C. Hazen, S.R. Sutton, A. Lanzirotti, M. Newville (2005). Uranium Reduction in Sediments Under Diffusion-Limited Transport of Organic Carbon. Environ. Sci. Technol. 39, 7077-7083.<\/p>\n

1. Tokunaga, T.K., J. Wan, J. Pe\u00f1a<\/strong>, S.R. Sutton, and M. Newville (2004). Hexavalent Uranium Diffusion in Soils from Concentrated Acidic and Alkaline Solutions. Environ. Sci. Technol. 38, 3056-3062.<\/p>\n

Ph.D. dissertations, M.Sc. theses and B.Sc. projects<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

26. Gonzalez-Holguera, G., I.Etui, J. Pe\u00f1a (2018). Contaminant loading and competitive access of Pb, Zn and Mn(III) to vacancy sites in biogenic MnO2. Chemical Geology 502, 76-84. https:\/\/doi.org\/10.1016\/j.chemgeo.2018.10.020 25. Lanson, … <\/p>\n","protected":false},"author":982,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-1717","page","type-page","status-publish"],"_links":{"self":[{"href":"https:\/\/wp.unil.ch\/lge\/wp-json\/wp\/v2\/pages\/1717","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.unil.ch\/lge\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/wp.unil.ch\/lge\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/wp.unil.ch\/lge\/wp-json\/wp\/v2\/users\/982"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.unil.ch\/lge\/wp-json\/wp\/v2\/comments?post=1717"}],"version-history":[{"count":0,"href":"https:\/\/wp.unil.ch\/lge\/wp-json\/wp\/v2\/pages\/1717\/revisions"}],"wp:attachment":[{"href":"https:\/\/wp.unil.ch\/lge\/wp-json\/wp\/v2\/media?parent=1717"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}