The application of Raman and anti-stokes Raman spectroscopy for in-situ monitoring of structural changes in laser irradiated titanium dioxide materials.

Rigby, Stephanie J.; Al-Obaidi, Ala H.R.; Lee, Soo-Keun; McStay, Daniel; Robertson, Peter K.J.

doi:10.1016/j.apsusc.2005.10.003

Effect of controlled periodic-based illumination on the photonic efficiency of photocatalytic degradation of methyl orange. (2012)
Journal Article
TOKODE, O.I., PRABHU, R., LAWTON, L.A. and ROBERTSON, P.K.J. 2012. Effect of controlled periodic-based illumination on the photonic efficiency of photocatalytic degradation of methyl orange. Journal of catalysis [online], 290, pages 138-142. Available from: https://doi.org/10.1016/j.jcat.2012.03.011

The use of controlled periodic illumination with UV LEDs for enhancing photonic efficiency of photocatalytic decomposition processes in water has been investigated using methyl orange as a model compound. The impact of the length of light and dark ti... Read More about Effect of controlled periodic-based illumination on the photonic efficiency of photocatalytic degradation of methyl orange..

Anti-colon cancer activity of endophytic fungal strains from Terminalia chebula Rezt (2012)
Journal Article
SHOEB, M., KONG THOO LIN, P. and NAHAR, N. 2012. Anti-colon cancer activity of endophytic fungal strains from Terminalia chebula rezt. Bangladesh journal of pharmacology [online], 12(1), pages 47-49. Available from: https://doi.org/10.3329/bjp.v7i1.10507

Endophytic microorganisms are fungi or bacteria that live inside the healthy tissues of the host plants causing no apparent symptoms of diseases. Five endophytic fungal strains labeled as IR-1, IR-2, IR-4, IR-6 and IR-7 (identified as Penicillium thi... Read More about Anti-colon cancer activity of endophytic fungal strains from Terminalia chebula Rezt.

The use of nano polymeric self-assemblies based on novel amphiphilic polymers for oral hydrophobic drug delivery. (2011)
Journal Article
CLARE, H., KONG THOO LIN, P., TETLEY, L. and CHENG, W.P. 2012. The use of nano polymeric self-assemblies based on novel amphiphilic polymers for oral hydrophobic drug delivery. Pharmaceutical research [online], 29(3), pages 782-794. Available from: https://doi.org/10.1007/s11095-011-0602-7

Purpose: To investigate the use of nano self-assemblies formed by polyallylamine (PAA) modified with 5 or 10% mole fluorenylmethoxy carbonyl (Fmoc5/10), dimethylamino-1-naphthalenesulfonyl (Dansyl5/10) and 5% mole cholesteryl group (Ch5) for oral hyd... Read More about The use of nano polymeric self-assemblies based on novel amphiphilic polymers for oral hydrophobic drug delivery..

Nano self-assemblies based on cholate grafted poly-L-lysine enhanced the solubility of sterol-like drugs. (2011)
Journal Article
GU, J., CHENG, W.P., HOSKINS, C., KONG THOO LIN, P., ZHAO, L, ZHU, L., QU, X. and YANG, Z. 2011. Nano self-assemblies based on cholate grafted poly-L-lysine enhanced the solubility of sterol-like drugs. Journal of microencapsulation [online], 28(8): micro and nano carriers, pages 752-762. Available from: https://doi.org/10.3109/02652048.2011.615951

The physicochemical compatibility between amphiphilic polymers and hydrophobic drugs has been recognized as an important issue for improving the drug solubilisation in polymeric micelle formulations. In this work, poly-L-lysine (PLL) grafted by chola... Read More about Nano self-assemblies based on cholate grafted poly-L-lysine enhanced the solubility of sterol-like drugs..

A study of the kinetic solvent isotope effect on the destruction of microcystin-LR and geosmin using TiO2 photocatalysis. (2011)
Journal Article
ROBERTSON, P.K.J., BAHNEMANN, D.W., LAWTON, L.A. and BELLU, E. 2011. A study of the kinetic solvent isotope effect on the destruction of microcystin-LR and geosmin using TiO2 photocatalysis. Applied catalysis B: environmental [online], 108-109, pages 1-5. Available from: https://doi.org/10.1016/j.apcatb.2011.07.019

We have previously reported the effectiveness of TiO2 photocatalysis in the destruction of species generated by cyanobacteria, specifically geosmin and microcystin-LR. In this paper we report an investigation of factors which influence the rate of th... Read More about A study of the kinetic solvent isotope effect on the destruction of microcystin-LR and geosmin using TiO2 photocatalysis..

In vitro and in vivo antimalarial activity assays of seeds from Balanites aegyptiaca: compounds of the extract show growth inhibition and activity against Plasmodial aminopeptidase. (2011)
Journal Article
KUSCH, P., DEININGER, S., SPECHT, S., MANIAKO, R., HAUBRICH, S., POMMERENING, T., KONG THOO LIN, P., HOERAUF, A. and KAISER, A. 2011. In vitro and in vivo antimalarial activity assays of seeds from Balanites aegyptiaca: compounds of the extract show growth inhibition and activity against Plasmodial aminopeptidase. Journal of parasitology research [online], 2011, article ID 368692. Available from: https://doi.org/10.1155/2011/368692

Balanites aegyptiaca (Balanitaceae) is a widely grown desert plant with multiuse potential. In the present paper, a crude extract from B. aegyptiaca seeds equivalent to a ratio of 1:2000 seeds to the extract was screened for antiplasmodial activity.... Read More about In vitro and in vivo antimalarial activity assays of seeds from Balanites aegyptiaca: compounds of the extract show growth inhibition and activity against Plasmodial aminopeptidase..

The molecular contribution of TNF-α in the link between obesity and breast cancer. (2010)
Journal Article
WEICHHAUS, M., BROOM, I. and BERMANO, G. 2011. The molecular contribution of TNF-α in the link between obesity and breast cancer. Oncology reports [online], 25(2), pages 477-483. Available from: https://doi.org/10.3892/or.2010.1099

Obesity is a growing worldwide medical problem, as it pre-disposes the affected hosts to a number of severe diseases, including postmenopausal breast cancer. Obesity development is characterised, amongst others, by aberrant secretion of adipokines. W... Read More about The molecular contribution of TNF-α in the link between obesity and breast cancer..

In vitro and in vivo anticancer activity of a novel nano-sized formulation based on self-assembling polymers against pancreatic cancer. (2010)
Journal Article
HOSKINS, C., OUAISSI, M., LIMA, S.C., CHENG, W.P., LOUREIRIO, I., MAS, E., LOMBARDO, D., CORDEIRO-DA-SILVA, A., OUAISSI, A. and KONG THOO LIN, P. 2010. In vitro and in vivo anticancer activity of a novel nano-sized formulation based on self-assembling polymers against pancreatic cancer. Pharmaceutical research [online], 27(12), pages 2694-2703. Available from: https://doi.org/10.1007/s11095-010-0268-6

Purpose: To evaluate the in vitro and in vivo pancreatic anticancer activity of a nano-sized formulation based on novel polyallylamine grafted with 5% mole cholesteryl pendant groups (CH5-PAA). Methods: Insoluble novel anticancer drug, Bisnaphthalimi... Read More about In vitro and in vivo anticancer activity of a novel nano-sized formulation based on self-assembling polymers against pancreatic cancer..

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..

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