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Linked References

1. W. Lin, Y. W. Huang, X. D. Zhou, and Y. Ma, “In vitro toxicity of silica nanoparticles in human lung cancer cells,” Toxicology and Applied Pharmacology, vol. 217, pp. 252–259, 2006. View at Publisher · View at Google Scholar
2. A. J. Wagner, C. A. Bleckmann, R. C. Murdock, A. M. Schrand, J. J. Schlager, and S. M. Hussain, “Cellular interaction of different forms of aluminum nanoparticles in rat alveolar macrophages,” Journal of Physical Chemistry B, vol. 111, no. 25, pp. 7353–7359, 2007. View at Publisher · View at Google Scholar · View at Scopus
3. M. Bodo, G. Muzi, C. Bellucci et al., “Comparative in vitro studies on the fibrogenic effects of two samples of silica on epithelial bronchial cells,” Journal of Biological Regulators and Homeostatic Agents, vol. 21, no. 3-4, pp. 97–104, 2007. View at Scopus
4. K. Van Hoecke, K. A. C. De Schamphelaere, P. Van der Meeren, S. Lucas, and C. R. Janssen, “Ecotoxicity of silica nanoparticles to the green alga Pseudokirchneriella subcapitata: importance of surface area,” Environmental Toxicology and Chemistry, vol. 27, no. 9, pp. 1948–1957, 2008. View at Publisher · View at Google Scholar · View at Scopus
5. D. B. Warheit, T. R. Webb, K. L. Reed, S. Frerichs, and C. M. Sayes, “Pulmonary toxicity study in rats with three forms of ultrafine-TiO₂ particles: differential responses related to surface properties,” Toxicology, vol. 230, no. 1, pp. 90–104, 2007. View at Publisher · View at Google Scholar · View at Scopus
6. J. Ji, Z. Long, and D. Lin, “Toxicity of oxide nanoparticles to the green algae Chlorella sp.,” Chemical Engineering Journal, vol. 170, pp. 525–530, 2011. View at Publisher · View at Google Scholar
7. E. Pinto, T. C. S. Sigaud-Kutner, M. A. S. Leitão, O. K. Okamoto, D. Morse, and P. Colepicolo, “Heavy metal-induced oxidative stress in algae,” Journal of Phycology, vol. 39, no. 6, pp. 1008–1018, 2003. View at Publisher · View at Google Scholar · View at Scopus
8. L. Brus, “Electronic wave functions in semiconductor clusters: experiment and theory,” Journal of Physical Chemistry, vol. 90, no. 12, pp. 2555–2560, 1986. View at Scopus
9. Y. H. Tseng, H. Y. Lin, C. S. Kuo, Y. Y. Li, and C. P. Huang, “Thermostability of Nano-TiO₂ and its photocatalytic activity,” Reaction Kinetics and Catalysis Letters, vol. 89, pp. 63–69, 2006. View at Publisher · View at Google Scholar
10. S. Bakardjieva, J. Šubrt, V. Štengl, M. J. Dianez, and M. J. Sayagues, “Photoactivity of anatase-rutile TiO₂ nanocrystalline mixtures obtained by heat treatment of homogeneously precipitated anatase,” Applied Catalysis B, vol. 58, no. 3-4, pp. 193–202, 2005. View at Publisher · View at Google Scholar · View at Scopus
11. H. Lin, C. P. Huang, W. Li, C. Ni, S. I. Shah, and Y. H. Tseng, “Size dependency of nanocrystalline TiO₂ on its optical property and photocatalytic reactivity exemplified by 2-chlorophenol,” Applied Catalysis B, vol. 68, pp. 1–11, 2006. View at Publisher · View at Google Scholar
12. C. Y. Liu and A. J. Bard, “Effect of excess charge on band energetics (optical absorption edge and carrier redox potentials) in small semiconductor particles,” Journal of Physical Chemistry, vol. 93, no. 8, pp. 3232–3237, 1989. View at Scopus
13. J. M. Nedeljković, M. T. Nenadović, O. I. Mićić, and A. J. Nozik, “Enhanced photoredox chemistry in quantized semiconductor colloids,” Journal of Physical Chemistry, vol. 90, no. 1, pp. 12–13, 1986. View at Scopus
14. U. Koch, A. Fojtik, H. Weller, and A. Henglein, “Photochemistry of semiconductor colloids. Preparation of extremely small ZnO particles, fluorescence phenomena and size quantization effects,” Chemical Physics Letters, vol. 122, no. 5, pp. 507–510, 1985. View at Scopus
15. F. Morazzoni, C. Canevali, N. Chiodini et al., “Nanostructured Pt-doped tin oxide films: sol-gel preparation, spectroscopic and electrical characterization,” Chemistry of Materials, vol. 13, no. 11, pp. 4355–4361, 2001. View at Publisher · View at Google Scholar · View at Scopus
16. R. Hardman, “A toxicologic review of quantum dots: toxicity depends on physicochemical and environmental factors,” Environmental Health Perspectives, vol. 114, no. 2, pp. 165–172, 2006. View at Publisher · View at Google Scholar · View at Scopus
17. S. Kashiwada, “Distribution of nanoparticles in the see-through medaka (Oryzias latipes),” Environmental Health Perspectives, vol. 114, no. 11, pp. 1697–1702, 2006. View at Publisher · View at Google Scholar · View at Scopus
18. L. K. Adams, D. Y. Lyon, and P. J. J. Alvarez, “Comparative eco-toxicity of nanoscale TiO₂, SiO₂, and ZnO water suspensions,” Water Research, vol. 40, no. 19, pp. 3527–3532, 2006. View at Publisher · View at Google Scholar · View at Scopus
19. United States Environmental Protection Agency, “Short-term methods for estimating the chronic toxicity of effluents and receiving waters to freshwater organisms,” Tech. Rep. EPA-821-R-02-013, United States Environmental Protection Agency, Office of Water, Washington, DC, USA, 2002.
20. D. Metzler, Effect of Food-Borne Cadmium on the Reproduction of Ceriodaphina Dubia [M.S. thesis], University of Delaware, Newark, Del, USA, 2003.
21. C. I. Weber, L. A. Fay, G. B. Collins, D. E. Rathke, and J. Tobin, “A review of methods for the analysis of chlorophyll in periphyton and plankton of marine and freshwater systems,” Tech. Rep. Technical bulletin OHSU-TB-15, Ohio State University Sea Grant Program, 1986.
22. A. D. Eaton, L. S. Clesceri, and A. E. Greenberg, Standard Methods for the Examination of Water and Wastewater, American Public Health Association, American Water Works Association, and Water Environment Federation, Washington, DC, USA, 19th edition, 1995.
23. P. C. Maness, S. Smolinski, D. M. Blake, Z. Huang, E. J. Wolfrum, and W. A. Jacoby, “Bactericidal activity of photocatalytic TiO₂ reaction: toward an understanding of its killing mechanism,” Applied and Environmental Microbiology, vol. 65, no. 9, pp. 4094–4098, 1999. View at Scopus
24. United States Environmental Protection Agency, Toxicity Relationship Analysis Program. Version 1, United States Environmental Protection Agency, National Health and Environmental Effects Research Laboratory, Mid-continent Ecology Division, Duluth, Minn, USA, 2002.
25. A. M. M. Goncalves, D. R. de Figureueiredo, and M. J. Pereira, “The effects of different salinity concentrations on growth of three freshwater green algae,” Fresenius Environmental Bulletin, vol. 15, no. 11, pp. 1382–1386, 2006.
26. S. H. Hsieh, K. P. Tsai, and C. Y. Chen, “The combined toxic effects of nonpolar narcotic chemicals to Pseudokirchneriella subcapitata,” Water Research, vol. 40, no. 10, pp. 1957–1964, 2006. View at Publisher · View at Google Scholar · View at Scopus
27. C. Kirchner, T. Liedl, S. Kudera et al., “Cytotoxicity of colloidal CdSe and CdSe/ZnS nanoparticles,” Nano Letters, vol. 5, no. 2, pp. 331–338, 2005. View at Publisher · View at Google Scholar · View at Scopus
28. R. W. Gensemer and R. C. Playle, “The bioavailability and toxicity of aluminum in aquatic environments,” Critical Reviews in Environmental Science and Technology, vol. 29, no. 4, pp. 315–450, 1999. View at Publisher · View at Google Scholar · View at Scopus
29. H. E. Allen, R. H. Hall, and T. D. Brisbin, “Metal speciation. Effects on aquatic toxicity,” Environmental Science and Technology, vol. 14, no. 4, pp. 441–443, 1980. View at Scopus
30. D. Sparks, Environmental Soil Chemistry, Academic Press, New York, NY, USA, 2nd edition, 2003.
31. M. Y. Lin, Interactions between Titanium Dioxide Nanoparticles and Algal Cells at Moderate Particle Concentration [M.S. thesis], University of Delaware, Newark, Del, USA, 2008.
32. J. M. H. Verspagen, J. Passarge, K. D. Jöhnk et al., “Water management strategies against toxic Microcystis blooms in the Dutch delta,” Ecological Applications, vol. 16, no. 1, pp. 313–327, 2006. View at Publisher · View at Google Scholar · View at Scopus
33. R. G. Wetzel and, Limnology, Saunders College, New York, NY, USA, 2nd edition, 1985.
34. S.-F. Cheah, G. E. Brown Jr., and G. A. Parks, “XAFS spectroscopy study of Cu(II) sorption on amorphous SiO₂ and gamma-Al₂O₃: effect of substrate and time on sorption complexes,” Journal of Colloid and Interface Science, vol. 208, no. 1, pp. 110–128, 1998. View at Publisher · View at Google Scholar · View at Scopus
35. H. A. Speoher and H. W. Milner, “The chemical composition of Chlorella; effect of environmental conditions,” Plant Physiology, vol. 24, no. 1, pp. 120–149, 1949. View at Publisher · View at Google Scholar
36. A. J. Maira, K. L. Yeung, C. Y. Lee, P. L. Yue, and C. K. Chan, “Size effects in gas-phase photo-oxidation of trichloroethylene using nanometer-sized TiO₂ catalysts,” Journal of Catalysis, vol. 192, no. 1, pp. 185–196, 2000. View at Publisher · View at Google Scholar · View at Scopus
37. N. Keren, A. Berg, P. J. M. Van Kan, H. Levanon, and I. Ohad, “Mechanism of photosystem II photoinactivation and D1 protein degradation at low light: the role of back electron flow,” Proceedings of the National Academy of Sciences of the United States of America, vol. 94, no. 4, pp. 1579–1584, 1997. View at Publisher · View at Google Scholar · View at Scopus
38. Y. Nishiyama, S. I. Allakhverdiev, and N. Murata, “Inhibition of the repair of Photosystem II by oxidative stress in cyanobacteria,” Photosynthesis Research, vol. 84, no. 1–3, pp. 1–7, 2005. View at Publisher · View at Google Scholar
39. T. E. Brown and F. L. Richardson, “The effect of growth environment on the physiology of algae: light intensity,” Journal of Phycology, vol. 4, pp. 38–54, 1968. View at Publisher · View at Google Scholar
40. M. J. Behrenfeld, O. Prasil, M. Babin, and F. Bruyant, “In search of a physiological basis for covariations in light-limited and light-saturated photosynthesis,” Journal of Phycology, vol. 40, no. 1, pp. 4–25, 2004. View at Scopus
41. M. F. Colombo-Pallotta, E. García-Mendoza, and L. B. Ladah, “Photosynthetic performance, light absorption, and pigment composition of Macrocystis pyrifera (Laminariales, Phaeophyceae) blades from different depths,” Journal of Phycology, vol. 42, no. 6, pp. 1225–1234, 2006. View at Publisher · View at Google Scholar · View at Scopus
42. E. Kessler, “Effect of manganese deficiency on growth and chlorophyll content of algae with and without hydrogenase,” Archiv für Mikrobiologie, vol. 63, no. 1, pp. 7–10, 1968. View at Publisher · View at Google Scholar
43. K. Hristovski, A. Baumgardner, and P. Westerhoff, “Selecting metal oxide nanomaterials for arsenic removal in fixed bed columns: from nanopowders to aggregated nanoparticle media,” Journal of Hazardous Materials, vol. 147, no. 1-2, pp. 265–274, 2007. View at Publisher · View at Google Scholar · View at Scopus
44. P. Liang, Y. Qin, B. Hu, C. Li, T. Y. Peng, and Z. Jiang, “Study of the adsorption behavior of heavy metal ions on nanometer-size titanium dioxide with ICP-AES,” Fresenius' Journal of Analytical Chemistry, vol. 368, no. 6, pp. 638–640, 2000. View at Scopus
45. E. Vassileva, K. Hadjiivanov, T. Stoychev, and C. Daiev, “Chromium speciation analysis by solid-phase extraction on a high surface area TiO₂,” Analyst, vol. 125, no. 4, pp. 693–698, 2000. View at Publisher · View at Google Scholar · View at Scopus
46. W. Stumm and J. J. Morgan, Aquatic Chemistry: Chemical Equilibria and Rates in Natural Waters, John Wiley and Sons, New York, NY, USA, 3rd edition, 1996.
47. M. Reth, “Hydrogen peroxide as second messenger in lymphocyte activation,” Nature Immunology, vol. 3, no. 12, pp. 1129–1134, 2002. View at Publisher · View at Google Scholar · View at Scopus
48. M. Drábková, B. Maršálek, and W. Admiraal, “Photodynamic therapy against cyanobacteria,” Environmental Toxicology, vol. 22, no. 1, pp. 112–115, 2007. View at Publisher · View at Google Scholar · View at Scopus
49. D. Y. Lee, C. Fortin, and P. G. Campbell, “Influence of chloride on silver uptake by two green algae, Pseudokirchneriella subcapitata and Chlorella pyrenoidosa,” Environmental Toxicology and Chemistry, vol. 23, no. 4, pp. 1012–1018, 2004. View at Publisher · View at Google Scholar
50. I. M. Svishchev and A. Y. Plugatyr, “Hydroxyl radical in aqueous solution: computer simulation,” Journal of Physical Chemistry B, vol. 109, no. 9, pp. 4123–4128, 2005. View at Publisher · View at Google Scholar · View at Scopus
51. Y. Gao, R. Wahi, A. T. Kan, J. C. Falkner, V. L. Colvin, and M. B. Tomson, “Adsorption of cadmium on anatase nanoparticles-effect of crystal size and pH,” Langmuir, vol. 20, no. 22, pp. 9585–9593, 2004. View at Publisher · View at Google Scholar · View at Scopus
52. F. Wolfe-Simon, D. Grzebyk, O. Schofield, and P. G. Falkowski, “The role and evolution of superoxide dismutases in algae,” Journal of Phycology, vol. 41, no. 3, pp. 453–465, 2005. View at Publisher · View at Google Scholar · View at Scopus
53. C. M. Sayes, A. M. Gobin, K. D. Ausman, J. Mendez, J. L. West, and V. L. Colvin, “Nano-C₆₀ cytotoxicity is due to lipid peroxidation,” Biomaterials, vol. 26, no. 36, pp. 7587–7595, 2005. View at Publisher · View at Google Scholar · View at Scopus
54. A. Valavanidis, T. Vlahogianni, M. Dassenakis, and M. Scoullos, “Molecular biomarkers of oxidative stress in aquatic organisms in relation to toxic environmental pollutants,” Ecotoxicology and Environmental Safety, vol. 64, no. 2, pp. 178–189, 2006. View at Publisher · View at Google Scholar · View at Scopus
55. K. Kato, A. Tsuzuki, H. Taoda, Y. Torii, T. Kato, and Y. Butsugan, “Crystal structures of TiO₂ thin coatings prepared from the alkoxide solution via the dip-coating technique affecting the photocatalytic decomposition of aqueous acetic acid,” Journal of Materials Science, vol. 29, no. 22, pp. 5911–5915, 1994. View at Publisher · View at Google Scholar · View at Scopus
56. M. Anpo, H. Nakaya, S. Kodama, Y. Kubokawa, K. Domen, and T. Onishi, “Photocatalytic hydrogenation of propyne with water on small-particle titania: size quantization effects and reaction intermediates,” The Journal of Physical Chemistry, vol. 91, no. 16, pp. 4305–4310, 1987. View at Publisher · View at Google Scholar
57. K. Tanaka, M. F. V. Capule, and T. Hisanaga, “Effect of crystallinity of TiO₂ on its photocatalytic action,” Chemical Physics Letters, vol. 187, no. 1-2, pp. 73–76, 1991. View at Scopus
58. Z. Zhang, C. C. Wang, R. Zakaria, and J. Y. Ying, “Role of particle size in nanocrystalline TiO₂-based photocatalysts,” Journal of Physical Chemistry B, vol. 102, no. 52, pp. 10871–10878, 1998. View at Scopus
59. J. K. Yang and A. P. Davis, “Competitive photocatalytic oxidation of Cu(II)—EDTA and Cd(II)—EDTA with illuminated TiO₂,” Environmental Science and Technology, vol. 35, no. 17, pp. 3566–3570, 2001. View at Publisher · View at Google Scholar
60. C. B. Almquist and P. Biswas, “Role of synthesis method and particle size of nanostructured TiO₂ on its photoactivity,” Journal of Catalysis, vol. 212, no. 2, pp. 145–156, 2002. View at Publisher · View at Google Scholar · View at Scopus
61. H. J. Nam, T. Amemiya, M. Murabayashi, and K. Itoh, “Photocatalytic activity of sol-gel TiO₂ thin films on various kinds of glass substrates: the effects of Na⁺ and primary particle size,” Journal of Physical Chemistry B, vol. 108, no. 24, pp. 8254–8259, 2004. View at Publisher · View at Google Scholar · View at Scopus
62. C. Blaise, F. Gagné, J. F. Férard, and P. Eullaffroy, “Ecotoxicity of selected nano-materials to aquatic organisms,” Environmental Toxicology, vol. 23, no. 5, pp. 591–598, 2008. View at Publisher · View at Google Scholar · View at Scopus
63. C. D. Dong, Y. L. Liao, C. M. Kao, C. W. Chen, H. Y. Lin, and C. P. Huang, “Preparation of crystalline nanosized titania by microemulsion: evaluation of process variables,” Advanced Oxidation Technology, vol. 10, no. 2, pp. 399–404, 2007.
64. Aerosil, September 2009, http://www.aerosil.com/wps/PA_1_2_1RD/downloadMsds?id=6.
65. A. K. Arora and Kamaluddin, “Role of metal oxides in chemical evolution: interaction of ribose nucleotides with alumina,” Astrobiology, vol. 9, no. 2, pp. 165–171, 2009. View at Publisher · View at Google Scholar · View at Scopus
66. K. Bourikas, T. Hiemstra, and W. H. Van Riemsdijk, “Ion pair formation and primary charging behavior of titanium oxide (anatase and rutile),” Langmuir, vol. 17, no. 3, pp. 749–756, 2001. View at Publisher · View at Google Scholar · View at Scopus