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Mixing regime simulation and cellulose particle tracing in a stacked frame photocatalytic reactor. (2016)
Journal Article
NAGARAJAN, S., STELLA, L., LAWTON, L.A., IRVINE, J.T.S. and ROBERTSON, P.K.J. 2017. Mixing regime simulation and cellulose particle tracing in a stacked frame photocatalytic reactor. Chemical engineering journal [online], 313, pages 301-308. Available from: https://doi.org/10.1016/j.cej.2016.12.016

To sustainably meet the global energy demand, unconventional methods to produce renewable energy must emerge. Biofuels from cellulose (via fermentable sugar production) mediated via photocatalysis provides an alternative to conventional fossil fuels.... Read More about Mixing regime simulation and cellulose particle tracing in a stacked frame photocatalytic reactor..

Bioindicators assessing water quality and environmental impacts of water treatment plant sludge. (2016)
Journal Article
ABREU DA COSTA, T.R.A., WEBER, O.B., PESTANA, C.J. and CAPELO-NETO, J. 2017. Bioindicators assessing water quality and environmental impacts of water treatment plant sludge. International journal of environment and sustainable development [online], 16(1), pages 25-42. Available from: https://doi.org/10.1504/IJESD.2017.10001350

This study had as objectives to assess water quality using macroinvertebrate communities in Gaviao artificial reservoir (Brazil), used to supply potable water to 2.5 million people, and to evaluate how these organisms responded to the discharge of wa... Read More about Bioindicators assessing water quality and environmental impacts of water treatment plant sludge..

Comparative assessment of visible light and UV active photocatalysts by hydroxyl radical quantification. (2016)
Journal Article
NAGARAJAN, S., SKILLEN, N.C., FINA, F., ZHANG, G., RANDORN, C., LAWTON, L.A., IRVINE, J.T.S. and ROBERTSON, P.K.J. 2016. Comparative assessment of visible light and UV active photocatalysts by hydroxyl radical quantification. Journal of photochemistry and photobiology A: chemistry [online], 334, pages 13-19. Available from: https://doi.org/10.1016/j.jphotochem.2016.10.034

A simple method for determining hydroxyl radical yields on semiconductor photocatalysts is highly desirable, especially when comparing different photocatalyst materials. This paper reports the screening of a selection of visible light active photocat... Read More about Comparative assessment of visible light and UV active photocatalysts by hydroxyl radical quantification..

Identification and assessment of water quality risks associated with sludge supernatant recycling in the presence of cyanobacteria. (2016)
Journal Article
DREYFUS, J., MONROLIN, Y., PESTANA, C.J., REEVE, P.J., SAWADE, E., NEWTON, K., HO, L., CHOW C.W.K. and NEWCOMBE, G. 2016. Identification and assessment of water quality risks associated with sludge supernatant recycling in the presence of cyanobacteria. Aqua: journal of water supply: research and technology [online], 65(6), pages 441-452. Available from: https://doi.org/10.2166/aqua.2016.030

This study focussed on the fate of cyanobacteria cells and associated metabolites during the sludge management processes that follow the conventional drinking water treatment train. The topic is of importance, as the release of metabolites during slu... Read More about Identification and assessment of water quality risks associated with sludge supernatant recycling in the presence of cyanobacteria..

Evidence for functional drift of bacterial isolates in response to cyanobacterial microcystin-lr and multiple peptide degradation in paucibacter toxinivorans. (2016)
Thesis
KREITZ, J. 2016. Evidence for functional drift of bacterial isolates in response to cyanobacterial microcystin-lr and multiple peptide degradation in paucibacter toxinivorans. Robert Gordon University, MPhil thesis.

Bacterial bioremediation has been proposed as an efficient, low cost and ecologically safe method to clean vital water reservoirs from cyanobacterial peptide toxins microcystins (MCs). In previous work carried out in 2008 several bacteria were isolat... Read More about Evidence for functional drift of bacterial isolates in response to cyanobacterial microcystin-lr and multiple peptide degradation in paucibacter toxinivorans..

Accumulation and detoxication responses of the gastropod Lymnaea stagnalis to single and combined exposures to natural (cyanobacteria) and anthropogenic (the herbicide RoundUp® Flash) stressors. (2016)
Journal Article
LANCE, E., DESPRAT, J., HOLBECH, B.F., GERARD, C., BORMANS, M., LAWTON, L.A., EDWARDS, C. and WIEGAND, C. 2016. Accumulation and detoxication responses of the gastropod Lymnaea stagnalis to single and combined exposures to natural (cyanobacteria) and anthropogenic (the herbicide RoundUpĀ® Flash) stressors. Aquatic toxicology [online], 177, pages 116-124. Available from: https://doi.org/10.1016/j.aquatox.2016.05.024

Freshwater gastropods are increasingly exposed to multiple stressors in the field such as the herbicide glyphosate in Roundup formulations and cyanobacterial blooms either producing or not producing microcystins (MCs), potentially leading to interact... Read More about Accumulation and detoxication responses of the gastropod Lymnaea stagnalis to single and combined exposures to natural (cyanobacteria) and anthropogenic (the herbicide RoundUp® Flash) stressors..

Lack of functional redundancy in the relationship between microbial diversity and ecosystem functioning. (2016)
Journal Article
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://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). This limits our understanding o... Read More about Lack of functional redundancy in the relationship between microbial diversity and ecosystem functioning..

An investigation on the effects of cyanopeptides on the growth and secondary metabolite production of Microcystis aeruginosa PCC7806. (2016)
Thesis
ARIF ABDUL RAHMAN, T. 2016. An investigation on the effects of cyanopeptides on the growth and secondary metabolite production of Microcystis aeruginosa PCC7806. Robert Gordon University, PhD thesis.

Cyanobacteria are one of the oldest forms of photosynthetic life and may have contributed significantly to the evolution of oxygen into the then anoxic environment. Cyanobacteria are also one of the best sources of natural secondary metabolites (cyan... Read More about An investigation on the effects of cyanopeptides on the growth and secondary metabolite production of Microcystis aeruginosa PCC7806..

A collaborative evaluation of LC-MS/MS based methods for BMAA analysis: soluble bound BMAA found to be an important fraction. (2016)
Journal Article
FAASSEN, E.J., ANTONIOU, M.G., BEEKMAN-LUKASSEN, W., BLAHOVA, L., CHERNOVA, E., CHRISTOPHORIDIS, C., COMBES, A., EDWARDS, C., FASTNER, J., HARMSEN, J., HISKIA, A., ILAG, L.L., KALOUDIS, T., LOPICIC, S., LURLING, M., MAZUR-MARZEC, H., MERILUOTO, J., POROJAN, C., VINER-MOZZINI, Y. and ZGUNA, N. 2016. A collaborative evaluation of LC-MS/MS based methods for BMAA analysis: soluble bound BMAA found to be an important fraction. Marine drugs [online], 14(3), article 45. Available from: https://doi.org/10.3390/md14030045

Exposure to β-Ν-methylamino-l-alanine (BMAA) might be linked to the incidence of amyotrophic lateral sclerosis, Alzheimer's disease and Parkinson's disease. Analytical chemistry plays a crucial role in determining human BMAA exposure and the associat... Read More about A collaborative evaluation of LC-MS/MS based methods for BMAA analysis: soluble bound BMAA found to be an important fraction..

Controlled periodic illumination in semiconductor photocatalysis. (2015)
Journal Article
TOKODE, O., PRABHU, R., LAWTON, L.A. and ROBERTSON, P.K.J. 2015. Controlled periodic illumination in semiconductor photocatalysis. Journal of photochemistry and photobiology A: chemistry [online], 319-320, pages 96-106. Available from: https://doi.org/10.1016/j.jphotochem.2015.12.002

Controlled periodic illumination is a hypothesis postulated in the early 1990s for enhancing the efficiency of semiconductor photocatalytic reactions. This technique has been proposed to improve photocatalytic efficiency by the nature of photon intro... Read More about Controlled periodic illumination in semiconductor photocatalysis..

Simultaneous cellulose conversion and hydrogen production assisted by cellulose decomposition under UV-light photcatalysis. (2015)
Journal Article
ZHANG, G., NI, C., HUANG, X., WELGARMAGE, A., LAWTON, L.A., ROBERTSON, P.K.J. and IRVINE, J.T.S. 2016. Simultaneous cellulose conversion and hydrogen production assisted by cellulose decomposition under UV-light photcatalysis. Chemical communications [online], 52, pages 1673-1676. Available from: https://doi.org/10.1039/c5cc09075j

Photocatalytic conversion of cellulose to sugars and carbon dioxide with simultaneous production of hydrogen assisted by cellulose decomposition under UV or solar light irradiation was achieved upon immobilization of cellulose onto a TiO2 photocataly... Read More about Simultaneous cellulose conversion and hydrogen production assisted by cellulose decomposition under UV-light photcatalysis..

Photocatalytic degradation of eleven microcystin variants and nodularin by TiO2 coated glass microspheres. (2015)
Journal Article
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 [online], 300, pages 347-353. Available from: https://doi.org/10.1016/j.jhazmat.2015.07.016

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 toxins. Advanced oxidation proce... Read More about Photocatalytic degradation of eleven microcystin variants and nodularin by TiO2 coated glass microspheres..

Overcoming the seasonal variations in fitness of the amphipod Corophium Volutator as an environmental toxicology test species using laboratory cultured specimens. (2014)
Thesis
MCGEE, D. 2014. Overcoming the seasonal variations in fitness of the amphipod Corophium Volutator as an environmental toxicology test species using laboratory cultured specimens. Robert Gordon University, MRes thesis.

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 has indicated that seasonal v... Read More about Overcoming the seasonal variations in fitness of the amphipod Corophium Volutator as an environmental toxicology test species using laboratory cultured specimens..

Photocatalytic destruction of volatile organic compounds from the oil and gas industry. (2014)
Thesis
TOKODE, O. 2014. Photocatalytic destruction of volatile organic compounds from the oil and gas industry. Robert Gordon University, PhD thesis.

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 applications in a number of... Read More about Photocatalytic destruction of volatile organic compounds from the oil and gas industry..

Optimisation of high value metabolite production from benthic marine dinoflagellate Prorocentrum lima. (2014)
Thesis
PRAPTIWI, R.A. 2014. Optimisation of high value metabolite production from benthic marine dinoflagellate Prorocentrum lima. Robert Gordon University, PhD thesis.

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 be performed rigorously. The eff... Read More about Optimisation of high value metabolite production from benthic marine dinoflagellate Prorocentrum lima..

Mathematical modelling of quantum yield enhancements of methyl orange photooxidation in aqueous TiO2 suspensions under controlled periodic UV LED illumination. (2014)
Journal Article
TOKODE, O., PRABHU, R., LAWTON, L.A. and ROBERTSON, P.K.J. 2014. Mathematical modelling of quantum yield enhancements of methyl orange photooxidation in aqueous TiO2 suspensions under controlled periodic UV LED illumination. Applied catalysis B: environmental [online], 156-157, pages 398-403. Available from: https://doi.org/10.1016/j.apcatb.2014.03.046

Quantum yields of the photocatalytic degradation of methyl orange under controlled periodic illumination (CPI) have been modelled using existing models. A modified Langmuir-Hinshelwood (L-H) rate equation was used to predict the degradation reaction... Read More about Mathematical modelling of quantum yield enhancements of methyl orange photooxidation in aqueous TiO2 suspensions under controlled periodic UV LED illumination..

The effect of pH on the photonic efficiency of the destruction of methyl orange under controlled periodic illumination with UV-LED sources. (2014)
Journal Article
TOKODE, O., PRABHU, R., LAWTON, L.A. and ROBERTSON, P.K.J. 2014. The effect of pH on the photonic efficiency of the destruction of methyl orange under controlled periodic illumination with UV-LED sources. Chemical engineering journal [online], 246, pages 337-342. Available from: https://doi.org/10.1016/j.cej.2014.03.002

The nature of photon interaction and reaction pH can have significant impacts on semiconductor photocatalysis. This paper describes the effect of pH on the photonic efficiency of photocatalytic reactions in the aqueous phase using TiO2 catalysts. The... Read More about The effect of pH on the photonic efficiency of the destruction of methyl orange under controlled periodic illumination with UV-LED sources..

A continuous flow packed bed photocatalytic reactor for the destruction of 2-methylisoborneol and geosmin utilising pelletised TiO2. (2013)
Journal Article
PESTANA, C.J., ROBERTSON, P.K.J., EDWARDS, C., WILHELM, W., MCKENZIE, C. and LAWTON, L.A. 2014. A continuous flow packed bed photocatalytic reactor for the destruction of 2-methylisoborneol and geosmin utilising pelletised TiO2. Chemical engineering journal [online], 235, pages 293-298. Available from: https://doi.org/10.1016/j.cej.2013.09.041

Taste and odour compounds, especially geosmin (GSM) and 2-methylisoborneol (2-MIB), cause major problems in both drinking water and aquaculture industries world-wide. Aquaculture in particular has experienced significant financial losses due to the a... Read More about A continuous flow packed bed photocatalytic reactor for the destruction of 2-methylisoborneol and geosmin utilising pelletised TiO2..

Freshwater bacterial diversity, functions and stability. (2013)
Thesis
GIARAMIDA, L. 2013. Freshwater bacterial diversity, functions and stability. Robert Gordon University, PhD thesis.

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 is of paramount importance... Read More about Freshwater bacterial diversity, functions and stability..

Investigation of the production and isolation of bioactive compounds from cyanobacteria. (2013)
Thesis
HAMEED, S. 2013. Investigation of the production and isolation of bioactive compounds from cyanobacteria. Robert Gordon University, PhD thesis.

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 produces massive and inhere... Read More about Investigation of the production and isolation of bioactive compounds from cyanobacteria..