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Dr Carlos Pestana


Adsorption of cyanotoxins on polypropylene and polyethylene terephthalate: microplastics as vector of eight microcystin analogues. (2022)
Journal Article
MOURA, D.S., PESTANA, C.J., MOFFAT, C.F., HUI, J., IRVINE, J.T.S., EDWARDS, C. and LAWTON, L.A. 2022. Adsorption of cyanotoxins on polypropylene and polyethylene terephthalate: microplastics as vector of eight microcystin analogues. Environmental pollution [online], 303, article 119135. Available from: https://doi.org/10.1016/j.envpol.2022.119135

Plastics are utilised globally but are of environmental concern due to their persistence. The global presence of microplastics (particles

Potentially poisonous plastic particles: microplastics as a vector for cyanobacterial toxins microcystin-LR and microcystin-LF. (2021)
Journal Article
PESTANA, C.J., MOURA, D.S., CAPELO-NETO, J., EDWARDS, C., DREISBACH, D., SPENGLER, B. and LAWTON, L.A. 2021. Potentially poisonous plastic particles: microplastics as a vector for cyanobacterial toxins microcystin-LR and microcystin-LF. Environmental science and technology [online], 55(23), pages 15940-15949. Available from: https://doi.org/10.1021/acs.est.1c05796

The potential of microplastics to act as a vector for micropollutants of natural or anthropogenic origin is of rising concern. Cyanobacterial toxins, including microcystins, are harmful to humans and wildlife. In this study, we demonstrate for the fi... Read More about Potentially poisonous plastic particles: microplastics as a vector for cyanobacterial toxins microcystin-LR and microcystin-LF..

Radiolytic degradation of 2-methylisoborneol and geosmin in water: reactive radical species and transformation pathways. (2021)
Journal Article
CHRISTOPHORIDIS, C., PESTANA, C.J., KALOUDIS, T., LAWTON, L.A., TRIANTIS, T.M. and HISKIA, A. 2021. Radiolytic degradation of 2-methylisoborneol and geosmin in water: reactive radical species and transformation pathways. Chemical engineering journal advances [online], 15, article 100196. Available from: https://doi.org/10.1016/j.ceja.2021.100196

Water radiolysis can serve as a useful tool to study the degradation of organic pollutants in water. Manipulation of the radiolytic system enables the selective production of reactive species (RS) with known yields. Our aim was to explore the effects... Read More about Radiolytic degradation of 2-methylisoborneol and geosmin in water: reactive radical species and transformation pathways..

Comparison of UV-A photolytic and UV/TiO2 photocatalytic effects on Microcystis aeruginosa PCC7813 and four microcystin analogues: a pilot scale study. [Dataset] (2021)
Dataset
MENEZES, I., CAPELO-NETO, J., PESTANA, C.J., CLEMENTE, A., HUI, J., IRVINE, J.T.S., GUNARATNE, H.Q.N., ROBERTSON, P.K.J., EDWARDS, C., GILLANDERS, R.N., TURNBULL, G.A. and LAWTON, L.A. 2021. Comparison of UV-A photolytic and UV/TiO2 photocatalytic effects on Microcystis aeruginosa PCC7813 and four microcystin analogues: a pilot scale study. [Dataset]. Journal of environmental management [online], 298, article 113519. Available from: https://www.sciencedirect.com/science/article/pii/S0301479721015814#appsec1

Cyanobacterial blooms in freshwater reservoirs represent a threat to human and animal health because of the potential release of a wide variety of harmful metabolites, known collectively as cyanotoxins. Microcystins (MCs) are one of the most commonly... Read More about Comparison of UV-A photolytic and UV/TiO2 photocatalytic effects on Microcystis aeruginosa PCC7813 and four microcystin analogues: a pilot scale study. [Dataset].

Comparison of UV-A photolytic and UV/TiO2 photocatalytic effects on Microcystis aeruginosa PCC7813 and four microcystin analogues: a pilot scale study. (2021)
Journal Article
MENEZES, I., CAPELO-NETO, J., PESTANA, C.J., CLEMENTE, A., HUI, J., IRVINE, J.T.S., GUNARATNE, H.Q.N., ROBERTSON, P.K.J., EDWARDS, C., GILLANDERS, R.N., TURNBULL, G.A. and LAWTON, L.A. 2021. Comparison of UV-A photolytic and UV/TiO2 photocatalytic effects on Microcystis aeruginosa PCC7813 and four microcystin analogues: a pilot scale study. Journal of environmental management [online], 298, article 113519. Available from: https://doi.org/10.1016/j.jenvman.2021.113519

To date, the high cost of supplying UV irradiation has prevented the widespread application of UV photolysis and titanium dioxide based photocatalysis in removing undesirable organics in the water treatment sector. To overcome this problem, the use o... Read More about Comparison of UV-A photolytic and UV/TiO2 photocatalytic effects on Microcystis aeruginosa PCC7813 and four microcystin analogues: a pilot scale study..

Detection of morphological changes caused by chemical stress in the cyanobacterium Planktothrix agardhii using convolutional neural networks. (2021)
Journal Article
CARLOTO, I., JOHNSTON, P., PESTANA, C.J. and LAWTON, L.A. 2021. Detection of morphological changes caused by chemical stress in the cyanobacterium Planktothrix agardhii using convolutional neural networks. Science of the total environment [online], 784, article 146956. Available from: https://doi.org/10.1016/j.scitotenv.2021.146956

The presence of harmful algal bloom in many reservoirs around the world, alongside the lack of sanitation law/ordinance regarding cyanotoxin monitoring (particularly in developing countries), create a scenario in which the local population could pote... Read More about Detection of morphological changes caused by chemical stress in the cyanobacterium Planktothrix agardhii using convolutional neural networks..

Detection of morphological changes caused by chemical stress in the cyanobacterium Planktothrix agardhii using convolutional neural networks. [Dataset] (2021)
Dataset
CARLOTO, I., JOHNSTON, P., PESTANA, C.J. and LAWTON, L.A. 2021. Detection of morphological changes caused by chemical stress in the cyanobacterium Planktothrix agardhii using convolutional neural networks. [Dataset]. Science of the total environment [online], 784, article 146956. Available from: https://www.sciencedirect.com/science/article/pii/S004896972102026X#s0105

The presence of harmful algal bloom in many reservoirs around the world, alongside the lack of sanitation law/ordinance regarding cyanotoxin monitoring (particularly in developing countries), create a scenario in which the local population could pote... Read More about Detection of morphological changes caused by chemical stress in the cyanobacterium Planktothrix agardhii using convolutional neural networks. [Dataset].

Effect of hydrogen peroxide on natural phytoplankton and bacterioplankton in a drinking water reservoir: mesocosm-scale study. (2021)
Journal Article
SANTOS, A.A., GUEDES, D.O., BARROS, M.U.G., OLIVEIRA, S., PACHECO, A.B.F., AZEVEDO, S.M.F.O., MAGALHÃES, V.F., PESTANA, C.J., EDWARDS, C., LAWTON, L.A. and CAPELO-NETO, J. 2021. Effect of hydrogen peroxide on natural phytoplankton and bacterioplankton in a drinking water reservoir: mesocosm-scale study. Water research [online], 197, article 117069. Available from: https://doi.org/10.1016/j.watres.2021.117069

Cyanobacterial blooms are increasingly reported worldwide, presenting a challenge to water treatment plants and concerning risks to human health and aquatic ecosystems. Advanced oxidative processes comprise efficient and safe methods for water treatm... Read More about Effect of hydrogen peroxide on natural phytoplankton and bacterioplankton in a drinking water reservoir: mesocosm-scale study..

Oxidative stress in the cyanobacterium microcystis aeruginosa PCC 7813: comparison of different analytical cell stress detection assays. (2020)
Journal Article
MENEZES, I., MAXWELL-MCQUEENEY, D., CAPELO-NETO, J., PESTANA, C.J., EDWARDS, C. and LAWTON, L.A. 2021. Oxidative stress in the cyanobacterium Microcystis aeruginosa PCC 7813: comparison of different analytical cell stress detection assays. Chemosphere [online], 269, article ID 128766. Available from: https://doi.org/10.1016/j.chemosphere.2020.128766

Cyanobacterial blooms are observed when high cell densities occur and are often dangerous to human and animal health due to the presence of cyanotoxins. Conventional drinking water treatment technology struggles to efficiently remove cyanobacterial c... Read More about Oxidative stress in the cyanobacterium microcystis aeruginosa PCC 7813: comparison of different analytical cell stress detection assays..

Graphitic-C3N4 coated floating glass beads for photocatalytic destruction of synthetic and natural organic compounds in water under UV light. (2020)
Journal Article
HUI, J., PESTANA, C.J., CAUX, M., GUNARATNE, H.Q.N., EDWARDS, C., ROBERTSON, P.K.J., LAWTON, L.A. and IRVINE, J.T.S. 2020. Graphitic-C3N4 coated floating glass beads for photocatalytic destruction of synthetic and natural organic compounds in water under UV light. Journal of photochemistry and photobiology A: chemistry [online], 405, article ID 112935. Available from: https://doi.org/10.1016/j.jphotochem.2020.112935

Many drinking water reservoirs can contain organic pollutants such as artificial synthesized dye and drugs. On the other hand, some naturally occurring microorganisms such as cyanobacteria, are capable of producing toxic secondary metabolites (cyanot... Read More about Graphitic-C3N4 coated floating glass beads for photocatalytic destruction of synthetic and natural organic compounds in water under UV light..