Professor Linda Lawton's Outputs (114)

An experimental test of cyanotoxins as a potential driver of microbial community structure. (2025)
Journal Article
BATOOL, U., LAWTON, L.A., SHAPIRO, B.J. and TROMAS, N. 2025. An experimental test of cyanotoxins as a potential driver of microbial community structure. Chemosphere [online], 384, article number 144518. Available from: https://doi.org/10.1016/j.chemosphere.2025.144518

Cyanobacterial harmful algal blooms (CyanoHABs) are common biological disturbances in freshwater ecosystems, impacting microbial community diversity and composition. While extensive research has focused on these blooms, the direct effects of cyanotox... Read More about An experimental test of cyanotoxins as a potential driver of microbial community structure..

Toxic effects of fluoxetine-loaded onto virgin or aged polypropylene, polyamide and polyvinyl chloride microparticles on Daphnia magna. (2025)
Journal Article
MOURA, D.S., PESTANA, C.J., MOFFAT, C.F., GKOULEMANI, N., HUI, J., IRVINE, J.T.S. and LAWTON, L.A. 2025. Toxic effects of fluoxetine-loaded onto virgin or aged polypropylene, polyamide and polyvinyl chloride microparticles on Daphnia magna. Journal of hazardous materials [online], 489, article number 137645. Available from: https://doi.org/10.1016/j.jhazmat.2025.137645

There is an increasing recognition that microplastics can act as a vector for micropollutants when co-occurring in the environment and that pollutant-loaded microplastics can become integral to food-webs. To evaluate whether fluoxetine-loaded micropl... Read More about Toxic effects of fluoxetine-loaded onto virgin or aged polypropylene, polyamide and polyvinyl chloride microparticles on Daphnia magna..

Development of a straightforward direct injection UHPLC-MS/MS method for quantification of plastic additive chemicals in roadside retention ponds. (2024)
Journal Article
MCKENZIE, K., PLLU, A., CAMPBELL, I., LAWTON, L.A. and PETRIE, B. 2025. Development of a straightforward direct injection UHPLC-MS/MS method for quantification of plastic additive chemicals in roadside retention ponds. Analytical and bioanalytical chemistry [online], 417(3), pages 389-403. Available from: https://doi.org/10.1007/s00216-024-05657-3

There is growing interest in road pollution that enters surface waters. Additive chemicals used in the manufacture of plastics, including tyre rubber, are mobile pollutants that pose a threat to aquatic life. Therefore, an ultra-high performance liqu... Read More about Development of a straightforward direct injection UHPLC-MS/MS method for quantification of plastic additive chemicals in roadside retention ponds..

Removal of organic compounds from aquatic environments by advanced oxidation processes. (2024)
Thesis
MENEZES, I. 2024. Removal of organic compounds from aquatic environments by advanced oxidation processes. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-2795681

Agricultural practices and eutrophication contribute to cyanobacteria proliferation, cyanotoxin contamination and pesticide pollution in aquatic environments. Conventional treatments can be ineffective for the removal of high cell densities of cyanob... Read More about Removal of organic compounds from aquatic environments by advanced oxidation processes..

Aging microplastics enhances the adsorption of pharmaceuticals in freshwater. (2023)
Journal Article
MOURA, D.S., PESTANA, C.J., MOFFAT, C.F., GKOULEMANI, N., HUI, J., IRVINE, J.T.S. and LAWTON, L.A. 2024. Aging microplastics enhances the adsorption of pharmaceuticals in freshwater. Science of the total environment [online], 912, article number 169467. Available from: https://doi.org/10.1016/j.scitotenv.2023.169467

Plastic pollution is an increasing environmental concern. Pollutants such as microplastics (< 5 mm) and pharmaceuticals often co-exist in the aquatic environment. The current study aimed to elucidate the interaction of pharmaceuticals with microplast... Read More about Aging microplastics enhances the adsorption of pharmaceuticals in freshwater..

Photocatalytic conversion of cellulose into C5 oligosaccharides. (2023)
Journal Article
SKILLEN, N., WELGAMAGE, A., ROBERTSON, P.K.J., IRVINE, J.T.S. and LAWTON, L.A. 2023. Photocatalytic conversion of cellulose into C5 oligosaccharides. Journal of physics: energy [online], 6(1), article number 015002. Available from: https://doi.org/10.1088/2515-7655/ad04f1

Cellulose is made up of linear polymers of glucose monomers that could be a crucial source for valuable chemicals and sustainable liquid fuels. Cellulose is however, very stable and its conversion to a useful fuel or platform chemical products remain... Read More about Photocatalytic conversion of cellulose into C5 oligosaccharides..

Nature-based solution to eliminate cyanotoxins in water using biologically enhanced biochar. (2023)
Journal Article
MOORE, J., JAYAKUMAR, A., SOLDATOU, S., MAŠEK, O., LAWTON, L.A. and EDWARDS, C. 2023. Nature-based solution to eliminate cyanotoxins in water using biologically enhanced biochar. Environmental science and technology [online], 57(43), pages 16372-16385. Available from: https://doi.org/10.1021/acs.est.3c05298

Climate change and high eutrophication levels of freshwater sources are increasing the occurrence and intensity of toxic cyanobacterial blooms in drinking water supplies. Conventional water treatment struggles to eliminate cyanobacteria/cyanotoxins a... Read More about Nature-based solution to eliminate cyanotoxins in water using biologically enhanced biochar..

Microplastics as a vector for micropollutants in aquatic environments. (2023)
Thesis
SOUZA MOURA, D. 2023. Microplastics as a vector for micropollutants in aquatic environments. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-2271475

Poor water quality has been of increasing environmental concern, particularly related to man-made contaminants. It is becoming evident that microplastics can interact with micropollutants when co-existing in the environment. The aim of this thesis wa... Read More about Microplastics as a vector for micropollutants in aquatic environments..

Transformation products of microcystin-RR with reactive species produced by radiolysis of water. (2023)
Presentation / Conference Contribution
ILIAKOPOULOUS, S., TRIANTIS, T., ANTONOPOULOU, M., EDWARDS, C., LINDA, L., KISKIA, A. and KALOUDIS, T. 2023. Transformation products of microcystin-RR with reactive species produced by radiolysis of water. In Proceedings of the 18th International conference on environmental science and technology 2023 (CEST2023), 30 August - 2 September 2023, Athens, Greece. Athens: COSMOS SA [online], paper ID cest2023_00012. Available from: https://doi.org/10.30955/gnc2023.00012

Microcystins (MCs) are potent cyclic-peptide toxins produced by cyanobacteria during freshwater bloom episodes. They can severely impact drinking water supplies and recreational waters. More than 300 MCs are known today, which are toxic, mainly by in... Read More about Transformation products of microcystin-RR with reactive species produced by radiolysis of water..

Bio-based sustainable polymers and materials: from processing to biodegradation. (2023)
Journal Article
OKOLIE, O., KUMAR, A., EDWARDS, C., LAWTON, L.A., OKE, A., MCDONALD, S., THAKUR, V.K. and NJUGUNA, J. 2023. Bio-based sustainable polymers and materials: from processing to biodegradation. Journal of composites science [online], 7(6), article 213. Available from: https://doi.org/10.3390/jcs7060213

In the life cycle of a material, there will be either chemical or physical change due to varying environmental factors such as biological activity, light, heat, moisture, and chemical conditions. This process leads to polymer property change as perta... Read More about Bio-based sustainable polymers and materials: from processing to biodegradation..

In situ H2O2 treatment of blue-green algae contaminated reservoirs causes significant improvement in drinking water treatability. (2023)
Journal Article
MELO ROCHA, M.A., CLEMENTE, A., AMORIM SANTOS, A., DA SILVA MELO, J., PESTANA, C.J., LAWTON, L.A. and CAPELO-NETO, J. 2023. In situ H2O2 treatment of blue-green algae contaminated reservoirs causes significant improvement in drinking water treatability. Chemosphere [online], 333, article 138895. Available from: https://doi.org/10.1016/j.chemosphere.2023.138895

The evaluation of water quality improvement brought about by in situ treatment of eutrophic water bodies, especially those used for human supply, is a challenging task since each water system responds differently. To overcome this challenge, we appli... Read More about In situ H2O2 treatment of blue-green algae contaminated reservoirs causes significant improvement in drinking water treatability..

Characterisation of microplastics is key for reliable data interpretation. (2023)
Journal Article
MOURA, D.S., PESTANA, C.J., MOFFAT, C.F., HUI, J., IRVINE, J.T.S. and LAWTON, L.A. 2023. Characterisation of microplastics is key for reliable data interpretation. Chemosphere [online], 331, article number 138691. Available from: https://doi.org/10.1016/j.chemosphere.2023.138691

Microplastic research has gained attention due to the increased detection of microplastics (<5 mm size) in the aquatic environment. Most laboratory-based research of microplastics is performed using microparticles from specific suppliers with either...

Systematic evaluation of pyrolysis processes and biochar quality in the operation of low-cost flame curtain pyrolysis kiln for sustainable biochar production. (2023)
Journal Article
JAYAKUMAR, A., MORRISSET, D., KOUTSOMARKOS, V., WURZER, C., HADDEN, R.M., LAWTON, L., EDWARDS, C. and MAŠEK, O. 2023. Systematic evaluation of pyrolysis processes and biochar quality in the operation of low-cost flame curtain pyrolysis kiln for sustainable biochar production. Current research in environmental sustainability [online], 5, article 100213. Available from: https://doi.org/10.1016/j.crsust.2023.100213

Low-cost pyrolysis units such as flame curtain pyrolysis kilns are gaining popularity for biochar production. However, the processes that govern the working of such units are not well understood. Here, emissions, temperatures and mass loss are monito... Read More about Systematic evaluation of pyrolysis processes and biochar quality in the operation of low-cost flame curtain pyrolysis kiln for sustainable biochar production..

Clean water, green future: the story of bio-based treatment. [Video recording] (2023)
Digital Artefact
EDWARDS, C., MOORE, J., LAWTON, L. and MONTGOMERY, L. 2023. Clean water, green future: the story of bio-based treatment. [Video recording]. Research revealed, S01E01. Hosted on YouTube [online]. Available from: https://www.youtube.com/watch?v=OeLw7c9VMR8

This video was created as the first of a new series by RGU, "Research Revealed", which seeks to highlight the breadth of high impact research being undertaken across the University. This video focuses on a project within the School of Pharmacy and Li... Read More about Clean water, green future: the story of bio-based treatment. [Video recording].

Chiral pharmaceutical drug adsorption to natural and synthetic particulates in water and their desorption in simulated gastric fluid. (2023)
Journal Article
PETRIE, B., MOURA, D.S., LAWTON, L.A. and SANGANYADO, E. 2023. Chiral pharmaceutical drug adsorption to natural and synthetic particulates in water and their desorption in simulated gastric fluid. Journal of hazardous materials advances [online], 9, article 100241. Available from: https://doi.org/10.1016/j.hazadv.2023.100241

Natural and synthetic particulates in aquatic environments can act as a vector for chiral pharmaceutical drugs. Understanding enantiomer enrichment in the particulate phase of water matrices is essential considering the enantiospecific effects that c... Read More about Chiral pharmaceutical drug adsorption to natural and synthetic particulates in water and their desorption in simulated gastric fluid..

A feasibility study into the production of a mussel matrix reference material for the cyanobacterial toxins microcystins and nodularins. (2022)
Journal Article
TURNER, A.D., BEACH, D.G., FOSS, A., SAMDAL, I.A., LØVBERG, K.L.E., WAACK, J., EDWARDS, C., LAWTON, L.A., DEAN, K.J., MASKREY, B.H. and LEWIS, A.M. 2023. A feasibility study into the production of a mussel matrix reference material for the cyanobacterial toxins microcystins and nodularins. Toxins [online], 15(1), article 27. Available from: https://doi.org/10.3390/toxins15010027

Microcystins and nodularins, produced naturally by certain species of cyanobacteria, have been found to accumulate in aquatic foodstuffs such as fish and shellfish, resulting in a risk to the health of the seafood consumer. Monitoring of toxins in su... Read More about A feasibility study into the production of a mussel matrix reference material for the cyanobacterial toxins microcystins and nodularins..

Suppressing cyanobacterial dominance by UV-LED TiO2-photocatalysis in a drinking water reservoir: a mesocosm study. (2022)
Journal Article
PESTANA, C.J., SANTOS, A.A., CAPELO-NETO, J. et al. 2022. Suppressing cyanobacterial dominance by UV-LED TiO2-photocatalysis in a drinking water reservoir: a mesocosm study. Water research [online], 226, article 119299. Available from: https://doi.org/10.1016/j.watres.2022.119299

Cyanobacteria and their toxic secondary metabolites present challenges for water treatment globally. In this study we have assessed TiO2 immobilized onto recycled foamed glass beads by a facile calcination method, combined in treatment units with 365... Read More about Suppressing cyanobacterial dominance by UV-LED TiO2-photocatalysis in a drinking water reservoir: a mesocosm study..

Solar-driven semi-conductor photocatalytic water treatment (TiO2, g-C3N4, and TiO2+g-C3N4) of cyanotoxins: proof-of-concept study with microcystin-LR. (2022)
Journal Article
PESTANA, C.J., HUI, J., CAMACHO-MUÑOZ, D., EDWARDS, C., ROBERTSON, P.K.J., IRVINE, J.T.S. and LAWTON, L.A. 2022. Solar-driven semi-conductor photocatalytic water treatment (TiO2, g-C3N4, and TiO2+g-C3N4) of cyanotoxins: proof-of-concept study with microcystin-LR. Chemosphere [online], 310, article 136828. Available from: https://doi.org/10.1016/j.chemosphere.2022.136828

Cyanobacteria and their toxins are a threat to drinking water safety as increasingly cyanobacterial blooms (mass occurrences) occur in lakes and reservoirs all over the world. Photocatalytic removal of cyanotoxins by solar light active catalysts is a... Read More about Solar-driven semi-conductor photocatalytic water treatment (TiO2, g-C3N4, and TiO2+g-C3N4) of cyanotoxins: proof-of-concept study with microcystin-LR..

Water taste and odor (T&O): challenges, gaps and solutions from a perspective of the WaterTOP network. (2022)
Journal Article
AKCAALAN, R., DEVESA-GARRIGA, R., DIETRICH, A., et al. 2022. Water taste and odor (T&O): challenges, gaps and solutions from a perspective of the WaterTOP network. Chemical engineering journal advances [online], 12, article 100409. Available from: https://doi.org/10.1016/j.ceja.2022.100409

Aesthetic aspects of drinking water, such as Taste and Odor (T&O), have significant effects on consumer perceptions and acceptability. Solving unpleasant water T&O episodes in water supplies is challenging, since it requires experti... Read More about Water taste and odor (T&O): challenges, gaps and solutions from a perspective of the WaterTOP network..

A paradigm-shift in water treatment: in-reservoir UV-LED-driven TiO2 photocatalysis for the removal of cyanobacteria: a mesocosm study. (2022)
Presentation / Conference Contribution
PESTANA, C.J., CAPELO-NETO, J., HUI, J., ROBERTSON, P.K.J., OLIVEIRA, S., ROGERS, R., SANTOS, A., AZEVEDO, S.M.F.O., EDWARDS, C., IRVINE, J.T.S. and LAWTON, L.A. 2022. A paradigm-shift in water treatment: in-reservoir UV-LED-driven TiO2 photocatalysis for the removal of cyanobacteria: a mesocosm study. Presented at the 12th International conference on toxic cyanobacteria (ICTC 2022), 22-27 May 2022, Toledo, USA.

Potentially harmful cyanobacteria challenge potable water treatment globally, with high biomass events, and dissolved toxic and nuisance metabolites. Retrofitting existing water treatment infrastructure is often impractical (if not impossible) and of... Read More about A paradigm-shift in water treatment: in-reservoir UV-LED-driven TiO2 photocatalysis for the removal of cyanobacteria: a mesocosm study..