All Outputs (792)

In vitro and in vivo characterisation of a novel peptide delivery system: amphiphilic polyelectrolyte–salmon calcitonin nanocomplexes. (2010)
Journal Article
CHENG, W.-P., THOMPSON, C., RYAN, S.M., AGUIRRE, T., TETLEY, L. and BRAYDEN, D.J. 2010. In vitro and in vivo characterisation of a novel peptide delivery system: amphiphilic polyelectrolyte–salmon calcitonin nanocomplexes. Journal of controlled release [online], 147(2), pages 289-297. Available from: https://doi.org/10.1016/j.jconrel.2010.07.128

The cationic peptide, salmon calcitonin (sCT) was complexed with the cationic amphiphilic polyelectrolyte, poly(allyl)amine, grafted with palmitoyl and quaternary ammonium moieties at pH 5.0 and 7.4 to yield particulates (sCT-QPa). The complexes were... Read More about In vitro and in vivo characterisation of a novel peptide delivery system: amphiphilic polyelectrolyte–salmon calcitonin nanocomplexes..

The degradation of microcystin-LR using doped visible light absorbing photocatalysts. (2010)
Journal Article
GRAHAM, D., KISCH, H., LAWTON, L.A. and ROBERTSON, P.K.J. 2010. The degradation of microcystin-LR using doped visible light absorbing photocatalysts. Chemosphere [online], 78(9), pages 1182-1185. Available from: https://doi.org/10.1016/j.chemosphere.2009.12.003

Microcystins are one of the primary hepatotoxic cyanotoxins released from cyanobacteria. The presence of these compounds in water has resulted in the death of both humans and domestic and wild animals. Although microcystins are chemically stable tita... Read More about The degradation of microcystin-LR using doped visible light absorbing photocatalysts..

The photocatalytic decomposition of microsystin-LR using selected titanium dioxide materials. (2009)
Journal Article
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 [online], 76(4), pages 549-553. Available from: https://doi.org/10.1016/j.chemosphere.2009.02.067

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 technology for removal of the... Read More about The photocatalytic decomposition of microsystin-LR using selected titanium dioxide materials..

A new generation of biocides for control of crustacea in fish farms. (2008)
Journal Article
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 [online], 95(1), pages 58-63. Available from: https://doi.org/10.1016/j.jphotobiol.2008.12.009

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 infestations is the use of medici... Read More about A new generation of biocides for control of crustacea in fish farms..

Novel photocatalytic reactor development for removal of hydrocarbons from water. (2008)
Journal Article
ADAMS, M., CAMPBELL, I. and ROBERTSON, P.K.J. 2008. Novel photocatalytic reactor development for removal of hydrocarbons from water. International journal of photoenergy [online], 2008, article number 674537. Available from: https://doi.org/10.1155/2008/674537

Hydrocarbons contamination of the marine environment generated by the offshore oil and gas industry is generated from a number of sources including oil contaminated drill cuttings and produced waters. The removal of hydrocarbons from both these sourc... Read More about Novel photocatalytic reactor development for removal of hydrocarbons from water..

Photocatalytic destruction of geosmin using novel pelleted titanium dioxide. (2008)
Journal Article
BELLU, E., LAWTON, L.A. and ROBERTSON, P.K.J. 2008. Photocatalytic destruction of geosmin using novel pelleted titanium dioxide. Journal of advanced oxidation technologies [online], 11(2), pages 384-388. Available from: https://doi.org/10.1515/jaots-2008-0225

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 published study on the use of... Read More about Photocatalytic destruction of geosmin using novel pelleted titanium dioxide..

Bioactivity of the extracts and isolation of lignans and a sesquiterpene from the aerial parts of Centaurea pamphylica (Asteraceae). (2007)
Journal Article
SHOEB, M., MACMANUS, S.M., KONG THOO LIN, P., CELIK, S., JASPARS, M., NAHR, L. and SARKER, S.D. 2007. Bioactivity of the extracts and isolation of lignans and a sesquiterpene from the aerial parts of Centaurea pamphylica (Asteraceae). DARU journal of pharmaceutical sciences [online], 15(3), pages 118-122. Available from: http://daru.tums.ac.ir/index.php/daru/article/view/315/315

Centaurea pamphylica Boiss. & Heldr. (Family: Asteraceae), commonly known as 'pamphylia daisy', is a Turkish endemic species of the genus Centaurea that comprises ca. 500 species, many of which have been used as traditional medicines. The n-hexane, d... Read More about Bioactivity of the extracts and isolation of lignans and a sesquiterpene from the aerial parts of Centaurea pamphylica (Asteraceae)..

Passive sampling: partition coefficients for a silicone rubber reference phase. (2007)
Journal Article
YATES, K., DAVIES, I., WEBSTER, L., POLLARD, P., LAWTON, L. and MOFFAT, C. 2007. Passive sampling: partition coefficients for a silicone rubber reference phase. Journal of environmental monitoring [online], 9(10), pages 1116-1121. Available from: https://doi.org/10.1039/B706716J

Silicone rubber sheeting can be used as a passive sampling device for hydrophobic organic contaminants in the environment to determine the available concentrations in water and sediments. Reliable sampler-water partition coefficients are required to... Read More about Passive sampling: partition coefficients for a silicone rubber reference phase..

Bioactivity of two Turkish endemic centaurea species, and their major constituents. (2007)
Journal Article
SHOEB, M., MACMANUS, S.M., JASPARS, M., KONG THOO LIN, P., NAHAR, L., CELIK, S. and SARKER, S.D. 2007. Bioactivity of two Turkish endemic centaurea species, and their major constituents. Revista Brasileira de Farmacognosia/Brazilian journal of pharmacognosy [online], 17(2), pages 155-159. Available from: https://doi.org/10.1590/S0102-695X2007000200003

The antioxidant activity, general toxicity and cytotoxicity of the methanol extracts of Centaurea urvillei subs, armata and C. mucronifera have been assessed, respectively, by the DPPH assay, the brine shrimp lethality and the MTT cytotoxicity assays... Read More about Bioactivity of two Turkish endemic centaurea species, and their major constituents..

Aggregation of Staphylococcus aureus following treatment with the antibacterial flavonol galangin. (2007)
Journal Article
CUSHNIE, T.P.T., HAMILTON, V.E.S., CHAPMAN, D.G., TAYLOR, P.W. and LAMB, A.J. 2007. Aggregation of Staphylococcus aureus following treatment with the antibacterial flavonol galangin. Journal of applied microbiology [online], 103(5), pages 1562-1567. Available from: https://doi.org/10.1111/j.1365-2672.2007.03393.x

Aim: The flavonol galangin, an antimicrobial constituent of the traditional medicines propolis and Helichrysum aureonitens, is being assessed as part of an ongoing investigation into the antibacterial activity of flavonoids. The present study sought... Read More about Aggregation of Staphylococcus aureus following treatment with the antibacterial flavonol galangin..

Fatty acid and phospholipid chlorohydrins cause cell stress and endothelial adhesion. (2006)
Journal Article
DEVER, G., WAINWRIGHT, C. L., KENNEDY, S. and SPICKETT, C. M. 2006. Fatty acid and phospholipid chlorohydrins cause cell stress and endothelial adhesion. Acta biochimica polonica [online], 53(4), pages 761-768. Available from: https://doi.org/10.18388/abp.2006_3304

The oxidation of low-density lipoprotein (LDL) is thought to contribute to atherogenesis, which is an inflammatory disease involving activation of phagocytic cells. Myeloperoxidase, an enzyme which is able to produce hypochlorous acid (HOCl), is rele... Read More about Fatty acid and phospholipid chlorohydrins cause cell stress and endothelial adhesion..

The application of Raman and anti-stokes Raman spectroscopy for in-situ monitoring of structural changes in laser irradiated titanium dioxide materials. (2006)
Journal Article
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 [online], 252(22), pages 7948-7952. Available from: https://doi.org/10.1016/j.apsusc.2005.10.003

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 TiO 2 has been investigated. Measurement of the changes, over several time integrals, in the Raman an... Read More about The application of Raman and anti-stokes Raman spectroscopy for in-situ monitoring of structural changes in laser irradiated titanium dioxide materials..

Photo-dynamic biocidal action of methylene blue and hydrogen peroxide on the cyanobacterium Synechococcus leopoliensis under visible light irradiation. (2006)
Journal Article
MCCULLAGH, C. and ROBERTSON, P.K.J. 2006. Photo-dynamic biocidal action of methylene blue and hydrogen peroxide on the cyanobacterium Synechococcus leopoliensis under visible light irradiation. Journal of photochemistry and photobiology B: biology [online], 83(1), pages 63-68. Available from: https://doi.org/10.1016/j.jphotobiol.2005.11.013

Biofilm growth on stone surfaces is a significant contributing factor to stone biodeterioration. Current market based biocides are hazardous to the environment and to public health. We have investigated the photo-dynamic effect of methylene blue (MB)... Read More about Photo-dynamic biocidal action of methylene blue and hydrogen peroxide on the cyanobacterium Synechococcus leopoliensis under visible light irradiation..

The photocatalytic destruction of the cyanotoxin, nodularin using Ti02. (2005)
Journal Article
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 [online], 60(3-4), pages 245-252. Available from: https://doi.org/10.1016/j.apcatb.2005.03.006

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 spectrometry analysis which has als... Read More about The photocatalytic destruction of the cyanotoxin, nodularin using Ti02..

A comparison of the effectiveness of TiO2 photocatalysis and UVA photolysis for the destruction of three pathogenic micro-organisms. (2005)
Journal Article
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 [online], 175(1), pages 51-56. Available from: https://doi.org/10.1016/j.jphotochem.2005.04.033

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 this process has been reported... Read More about A comparison of the effectiveness of TiO2 photocatalysis and UVA photolysis for the destruction of three pathogenic micro-organisms..

Occurrence of toxigenic cyanobacterial blooms in freshwaters of Sri Lanka. (2005)
Journal Article
JAYATISSA, L.P., SILVA, E.I.L., MCELHINEY, J. and LAWTON, L.A. 2006. Occurrence of toxigenic cyanobacterial blooms in freshwaters in Sri Lanka. Systematic and applied microbiology [online], 29(2), pages 156-164. Available from: https://doi.org/10.1016/j.syapm.2005.07.007

A previous pioneering study of freshwater bodies in Sri Lanka revealed the presence of toxic cyanobacteria in three out of four water bodies tested. It was therefore important to perform a more detailed investigation into the presence of cyanobacteri... Read More about Occurrence of toxigenic cyanobacterial blooms in freshwaters of Sri Lanka..

Cytochrome P450 CYP1B1 activity in renal cell carcinoma. (2004)
Journal Article
MCFADYEN, M.C.E., MELVIN, W.T. and MURRAY, G.I. 2004. Cytochrome P450 CYP1B1 activity in renal cell carcinoma. British journal of cancer [online], 91, pages 966-971. Available from: https://doi.org/10.1038/sj.bjc.6602053

Renal cell carcinoma (RCC) is the most common malignancy of the kidney and has a poor prognosis due to its late presentation and resistance to current anticancer drugs. One mechanism of drug resistance, which is potentially amenable to therapeutic in... Read More about Cytochrome P450 CYP1B1 activity in renal cell carcinoma..

Two oxazane macrocycles. (2004)
Journal Article
COX, P.J. and KONG THOO LIN, P. 2004. Two oxazane macrocycles. Acta crystallographica section C: structural chemistry [online], 60(5), pages o321-o324. Available from: https://doi.org/10.1107/S0108270104006687

The 20-membered ring in 1,7,11,17-tetraoxa-2,6,12,16-tetraazacycloeicosane tetrahydrochloride, C12H32N4O44+·4Cl-, adopts an endo conformation, while the 18-membered ring in 1,6,10,15-tetraoxa-2,5,11,14-tetraazacyclooctadecane tetrahydrochloride, C10H... Read More about Two oxazane macrocycles..

On-line monitoring of laser modification of titanium dioxide using optical surface second harmonic. (2004)
Journal Article
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 [online], 222(1-4), pages 33-42. Available from: https://doi.org/10.1016/j.apsusc.2003.07.003

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 over other semiconductors, it... Read More about On-line monitoring of laser modification of titanium dioxide using optical surface second harmonic..

The destruction of 2-methylisoborneol and geosmin using titanium dioxide photocatalysis. (2003)
Journal Article
LAWTON, L.A., ROBERTSON, P.K.J., ROBERTSON, R.F. and BRUCE, F.G. 2003. The destruction of 2-methylisoborneol and geosmin using titanium dioxide photocatalysis. Applied catalysis B: environmental [online], 44(1), pages 9-13. Available from: https://doi.org/10.1016/S0926-3373(03)00005-5

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 water and fish producing an... Read More about The destruction of 2-methylisoborneol and geosmin using titanium dioxide photocatalysis..