Now showing items 1-9 of 9

  • The application of Raman and anti-stokes Raman spectroscopy for in-situ monitoring of structural changes in laser irradiated titanium dioxide materials. 

    Rigby, Stephanie J.; Al-Obaidi, Ala H. R.; Lee, Soo-Keun; McStay, Daniel; Robertson, Peter K. J. (Elsevier http://dx.doi.org/10.1016/j.apsusc.2005.10.003, 2006-09)
    RIGBY, S. J., AL-OBAIDI, A. H. R., LEE, S.-K., McSTAY, D. and ROBERTSON, P. K. J., 2006. The application of Raman and anti-stokes Raman spectroscopy for in-situ monitoring of structural changes in laser irradiated titanium dioxide materials. Applied Surface Science, 252 (22), pp. 7948-7952.
    The use of Raman and anti-stokes Raman spectroscopy to investigate the effect of exposure to high power laser radiation on the crystalline phases of TiO2 has been investigated. Measurement of the changes, over several time ...
  • A comparison of the effectiveness of TiO2 photocatalysis and UVA photolysis for the destruction of three pathogenic micro-organisms. 

    Robertson, Jeanette M. C.; Robertson, Peter K. J.; Lawton, Linda A. (Elsevier http://dx.doi.org/10.1016/j.jphotochem.2005.04.033, 2005-09)
    ROBERTSON, J. M. C., ROBERTSON, P. K. J. and LAWTON, L. A., 2005. A comparison of the effectiveness of TiO2 photocatalysis and UVA photolysis for the destruction of three pathogenic micro-organisms. Journal of Photochemistry and Photobiology A: Chemistry, 175 (1), pp. 51-56.
    TiO2 photocatalysis has demonstrated efficacy as a treatment process for water contaminated with chemical pollutants. When exposed to UVA light TiO2 also demonstrates an effective bactericidal activity. The mechanism of ...
  • The destruction of 2-methylisoborneol and geosmin using titanium dioxide photocatalysis. 

    Lawton, Linda A.; Robertson, Peter K. J.; Robertson, Russell F.; Bruce, Fiona G. (Elsevier http://www.elsevier.com/wps/find/journaldescription.cws_home/523066/description#description, 2003-08-08)
    LAWTON, L., ROBERTSON, P., ROBERTSON, R. and BRUCE, F., 2003. The destruction of 2-methylisoborneol and geosmin using titanium dioxide photocatalysis. Applied Catalysis B. Environmental. Volume 44 (1) pp. 9-13
    Geosmin (GSM) and 2-methylisoborneol (MIB) are semi-volatile compounds produced by cyanobacteria in surface waters. These compounds present problems to the drinking water industry and in aquaculture because they can taint ...
  • Detection, analysis, and photocatalytic destruction of the freshwater taint compound geosmin 

    Bellu, Edmund (The Robert Gordon University Faculty of Health and Social Care. School of Life Sciences., 2007-04)
    A significant issue affecting the aquaculture and water industries is the presence of off-flavour compounds in water, which cause problems by imparting an undesirable earthy/musty flavour and smell to water and fish. ...
  • Mechanistic and toxicity studies of the photocatalytic oxidation of microcystin-LR. 

    Liu, Iain; Lawton, Linda A.; Cornish, Benjamin J. P. A.; Robertson, Peter K. J. (Elsevier http://www.elsevier.com/wps/find/journaldescription.cws_home/504091/description#description, 2002-05-31)
    LIU, I., LAWTON, L., CORNISH, B. and ROBERTSON, P., 2002. Mechanistic and toxicity studies of the photocatalytic oxidation of microcystin-LR. Journal of Photochemistry and Photobiology A. Chemistry. Volume 148 (1-3), pp. 349-354
    Cyanobacterial toxins present in drinking water sources pose a considerable threat to human health. Conventional water treatment systems have proven unreliable for the removal of these toxins and hence new techniques have ...
  • On-line monitoring of laser modification of titanium dioxide using optical surface second harmonic. 

    Vrillet, Guerric; Lee, Soo-Keun; McStay, Daniel; Robertson, Peter K. J. (Elsevier http://dx.doi.org/10.1016/j.apsusc.2003.07.003, 2004-01)
    VRILLET, G., LEE, S. K., McSTAY, D. and ROBERTSON, P. K. J., 2004. On-line monitoring of laser modification of titanium dioxide using optical surface second harmonic. Applied Surface Science, 222 (1-4), pp. 33-42.
    TiO2 photocatalysis is a promising technology for the destruction of organic pollutants in both waste and potable waters with the mineralisation of a wide range of compounds having been reported. TiO2 has many advantages ...
  • The photocatalytic decomposition of microsystin-LR using selected titanium dioxide materials. 

    Liu, Iain; Lawton, Linda A.; Bahnemann, Detlef W.; Liu, Lei; Proft, Bernd; Robertson, Peter K. J. (Elsevier http://dx.doi.org/10.1016/j.chemosphere.2009.02.067, 2009-07)
    LIU, I., LAWTON, L. A., BAHNEMANN, D. W., LIU, L., PROFT, B. and ROBERTSON, P. K. J., 2009. The photocatalytic decomposition of microsystin-LR using selected titanium dioxide materials. Chemosphere, 76 (4), pp. 549-553.
    Microcystins (cyclic heptapeptides) produced by a number of freshwater cyanobacteria are a potential cause for concern in potable water supplies due to their acute and chronic toxicity. TiO2 photocatalysis is a promising ...
  • The photocatalytic destruction of the cyanotoxin, nodularin using Ti02. 

    Liu, Iain; Lawton, Linda A.; Bahnemann, Detlef W.; Robertson, Peter K. J. (Elsevier http://dx.doi.org/10.1016/j.apcatb.2005.03.006, 2005-10)
    LIU, I., LAWTON, L. A., BAHNEMANN, D. W. and ROBERTSON, P. K. J., 2005. The photocatalytic destruction of the cyanotoxin, nodularin using Ti02. Applied Catalysis B: Environmental, 60 (3-4), pp. 245-252.
    Titanium dioxide (TiO2) photocatalysis has been used to initiate the destruction of nodularin, a natural hepatotoxin produced by cyanobacteria. The destruction process was monitored using liquid chromatography–mass ...
  • Processes influencing surface interaction and photocatalytic destruction of microcystins on titanium dioxide photocatalysts. 

    Lawton, Linda A.; Robertson, Peter K. J.; Cornish, Benjamin J. P. A.; Marr, Iain L.; Jaspars, Marcel (Elsevier http://www.elsevier.com/wps/find/journaldescription.cws_home/622858/description#description, 2003-01-01)
    LAWTON, L., ROBERTSON, P., CORNISH, B., MARR, I. and JASPARS, M., 2003. Processes influencing surface interaction and photocatalytic destruction of microcystins on titanium dioxide photocatalysts. Journal of Catalysis. Volume 213 (1) pp. 109-113
    Microcystins are a family of hepatotoxic peptides produced by freshwater cyanobacteria. Their occurrence in drinking water is of concern since chronic exposure to these toxins causes tumor promotion. It is therefore essential ...