Now showing items 10-29 of 30

  • Freshwater bacterial diversity, functions and stability. 

    Giaramida, Luca (Robert Gordon University School of Pharmacy and Life Sciences., 2013-05)
    Biodiversity is declining worldwide with detrimental effects on ecosystems functions and services that it sustains. The relationship between biodiversity and freshwater purification remains unclear. Freshwater purification ...
  • An investigation into factors influencing the production and degradation of microcystins. 

    Graham, Douglas J. L. (The Robert Gordon University School of Pharmacy and Life Sciences, 2007-06)
    Microcystins (MCYST) potently inhibit protein phosphatases and these cyclic heptapeptides are powerful hepatotoxins. They are known to be secondary metabolites produced by several species of cyanobacteria. The release ...
  • An investigation into the biodegradation of peptide cyanotoxins (microcystins and nodularin) by novel gram-positive bacteria. 

    Welgamage Don, Aakash Channa Dharshan (Robert Gordon University School of Pharmacy and Life Sciences, 2012-02)
    Cyanobacterial secondary metabolites, microcystins (MC) and nodularin (NOD) have become common contaminants in most aquatic ecosystems over recent years presenting a hazard to animal and human health. Unfortunately, ...
  • Investigation of novel methods to remove the cyanotoxin, Cylindrospermopsin, from drinking water. 

    Chandu, Vijith Cholakkal Parambil (Robert Gordon University School of Pharmacy and Life Sciences, 2013-04)
    The widespread distribution of cyanobacteria and their toxic effects on humans has become a major concern for researchers. Cyanobacteria are a group of oxygenic phototrophic bacteria that exhibit an enormous diversity ...
  • Investigation of the production and isolation of bioactive compounds from cyanobacteria. 

    Hameed, Shaista (Robert Gordon University School of Pharmacy and Life Sciences., 2013-05)
    Due to heavy nutrient load and adverse climate change the occurrence of toxic cyanobacterial blooms have significantly increased during the last decades. Nodularia spumigena is one of the dominant toxic cyanobacteria which ...
  • Lack of functional redundancy in the relationship between microbial diversity and ecosystem functioning. 

    Delgado-Baquerizo, Manuel; Giaramida, Luca; Reich, Peter B.; Khachane, Amit N.; Hamonts, Kelly; Edwards, Christine; Lawton, Linda A.; Singh, Brajesh (Wiley https://dx.doi.org/10.1111/1365-2745.12585, 2016-04-07)
    DELGADO-BAQUERIZO, M., GIARAMIDA, L., REICH, P.B., KHACHANE, A.N., HAMONTS, K., EDWARDS, C., LAWTON, L.A. and SINGH, B.K. 2016. Lack of functional redundancy in the relationship between microbial diversity and ecosystem functioning. Journal of ecology [online], 104(4), pages 936-946. Available from: https://dx.doi.org/10.1111/1365-2745.12585
    1. Biodiversity is declining worldwide with detrimental effects on ecosystems. However, we lack a quantitative understanding of the shape of the relationship between microbial biodiversity and ecosystem function (BEF). ...
  • 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 ...
  • Monitoring and regulating cyanobacterial metabolites (microcystins and geosmin) in aquatic systems. 

    Pestana, Carlos Joao (Robert Gordon University School of Pharmacy and Life Sciences, 2012-04)
    Cyanobacterial secondary metabolites can cause serious harm to animals and humans (cyanotoxins) and can have a major financial impact on the potable water and aquaculture industries (taste and odour compounds). ...
  • A new generation of biocides for control of crustacea in fish farms. 

    Robertson, Peter K. J.; Black, Kenneth D.; Adams, Morgan; Willis, Kate; Buchan, Fraser; Orr, Heather; Lawton, Linda A.; McCullagh, Cathy (Elsevier http://dx.doi.org/10.1016/j.jphotobiol.2008.12.009, 2009-04)
    ROBERTSON, P. K. J., BLACK, K. D., ADAMS, M., WILLIS, K., BUCHAN, F., ORR, H., LAWTON, L. and McCULLAGH, C., 2009. A new generation of biocides for control of crustacea in fish farms. Journal of Photochemistry and Photobiology B: Biology, 95 (1), pp. 58-63.
    Farming of salmon has become a significant industry in many countries over the past two decades. A major challenge facing this sector is infestation of the salmon by sea lice. The main way of treating salmon for such ...
  • Optimisation of high value metabolite production from benthic marine dinoflagellate Prorocentrum lima. 

    Praptiwi, Radisti Ayu (Robert Gordon University School of Pharmacy and Life Sciences, 2014-03)
    Toxins produced by harmful algal blooms (HABs) are known to pose contamination risks to seafood products (e.g. fish and shellfish) consumed by human. In order to control contamination risks, monitoring regimes have to ...
  • Overcoming the seasonal variations in fitness of the amphipod Corophium Volutator as an environmental toxicology test species using laboratory cultured specimens. 

    McGee, Donall (Robert Gordon University School of Pharmacy and Life Sciences, 2014-10)
    The marine amphipod Corophium volutator is an important source of food for many fish and wading birds, making it an important species in an estuarine environment and a relevant toxicological test species. Historical data ...
  • 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 ...
  • Photocatalytic degradation of eleven microcystin variants and nodularin by TiO2 coated glass microspheres. 

    Pestana, Carlos J.; Edwards, Christine; Prabhu, Radhakrishna; Robertson, Peter K. J.; Lawton, Linda A. (Elsevier http://dx.doi.org/10.1016/j.jhazmat.2015.07.016, 2015-12-30)
    PESTANA, C. J., EDWARDS, C., PRABHU, R., ROBERTSON, P. K. J. and LAWTON, L. A., 2015. Photocatalytic degradation of eleven microcystin variants and nodularin by TiO2 coated glass microspheres. Journal of Hazardous Materials, Vol. 300, pp. 347-353.
    Microcystins and nodularin are toxic cyanobacterial secondary metabolites produced by cyanobacteria that pose a threat to human health in drinking water. Conventional water treatment methods often fail to remove these ...
  • Photocatalytic destruction of geosmin using novel pelleted titanium dioxide. 

    Bellu, Edmund; Lawton, Linda A.; Robertson, Peter K. J. (Science & Technology Network, Inc., 2008)
    BELLU, E., LAWTON, L. A., ROBERTSON, P.K.J., 2008. Photocatalytic destruction of geosmin using novel pelleted titanium dioxide. Journal of advanced oxidation technologies, 11 (2), pp. 384-388.
    Geosmin is produced by cyanobacteria and actinomycetes in surface waters. It causes undesirable earthy off-flavours in freshwater fish and is a major concern for the drinking water industry. This paper presents the first ...
  • 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 ...
  • Photocatalytic destruction of volatile organic compounds from the oil and gas industry. 

    Tokode, Oluwatosin (Robert Gordon University School of Engineering, 2014-04)
    Heterogeneous photocatalysis is an advanced oxidation technology widely applied in environmental remediation processes. It is a relatively safe and affordable technology with a low impact on the environment and has found ...
  • Physico-chemical treatment methods for the removal of microcystins (cyanobacterial hepatotoxins) from potable waters 

    Lawton, Linda A.; Robertson, Peter K. J. (Royal Society of Chemistry http://www.rsc.org/Publishing/Journals/CS/article.asp?doi=a805416i, 1999)
    LAWTON, L. and ROBERTSON, P., 1999. Physico-chemical treatment methods for the removal of microcystins (cyanobacterial hepatotoxins) from potable waters. Chemical Society Reviews 28 (4), p.217-224
    The incidence of cyanobacterial blooms in freshwaters, including drinking water reservoirs, has increased over the past few decades due to rising nutrient levels. Microcystins are hepatotoxins released from cyanobacteria ...
  • 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 ...
  • Processes influencing the destruction of Microcystin-LR by TiO2 photocatalysis. 

    Robertson, Peter K. J.; Lawton, Linda A.; Cornish, Benjamin J. P. A.; Jaspars, Marcel (Elsevier http://www.elsevier.com/wps/find/journaldescription.cws_home/504091/description#description, 1998-07-30)
    ROBERTSON, P., LAWTON, L., CORNISH, B. and JASPARS, M., 1998. Processes influencing the destruction of Microcystin-LR by TiO2 photocatalysis. Journal of Photochemistry and Photobiology A: Chemistry Volume 116 (3)PP. 215-219
    We have previously reported the effectiveness of TiO2 photocatalysis in the destruction of the cyanotoxin microcystin-LR [P.K.J. Robertson, L.A. Lawton, B. Münch, J. Rouzade, J. Chem. Soc., Chem. Commun., 4 (1997) 393; ...
  • Purification, detection and biological effects of cyanobacterial toxins. 

    McElhiney, Jacqueline (The Robert Gordon University School of Pharmacy and Life Sciences, 1999-05)
    The aesthetic beauty of a landscape is a very subjective issue: every person has their own opinions and their own idea of what beauty is. However, all people have a common evolutionary history, and, according to the Biophilia ...