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Paul Worsfold Professor Paul Worsfold
Role Professor of Analytical Chemistry Head of the Biogeochemistry and Environmental Analytical Chemistry (BEACh) Research Group Member of the Biogeochemistry Research Centre (BGC) Qualifications & background 1972-1976 BSc Hons Chemistry & Management, Loughborough University of Technology Professional membership Roles on external bodies
REPRESENTATION ON NATIONAL/INTERNATIONAL BODIES 1986-1998 Contributing Editor, Trends in Analytical Chemistry (Elsevier Science Publishers). 1987- Associate Member, International Union of Pure and Applied Chemistry, Analytical Chemistry Division, Commission on General Aspects of Analytical Chemistry (V.1). 1989-1991 Associate Editor and Editorial Board Member, Analytica Chimica Acta (Elsevier Science Publishers). 1990-1995 Senior Editor, Encyclopedia of Analytical Science (published in 1995 by Academic Press). 1991- Editor, Analytica Chimica Acta (Elsevier Science Publishers). 1993-1996 Editorial Board Member, Measurement Science and Technology (Institute of Physics Journal). 1996-2001 Member of Scientific Committee, Training and Mobility of Researchers, EUCON Environmental Analytical Chemistry. 1996-2010 Honorary Research Associate, BBSRC Institute of Grassland and Environmental Research (IGER). 2000-2004 Senior Editor, Encyclopedia of Analytical Science (second edition, published in 2004 by Elsevier Science Publishers). 2000 SCOR Working Group 109, Iron Certification Sub-Committee, Convenor. 2000-2006 Member, EPSRC Electoral College 2000-2006 Member of Governing Body, BBSRC Institute for Grassland and Environmental Research 2002- International Advisory Board, Journal of Flow Injection Analysis (Japanese Chemical Society) http://aitech.ac.jp/~jafia/english/index.html 2003-2006 Steering Group Member, South West Marine Forum http://www.mba.ac.uk/swmsf/SWMSF.php 2004- International Advisory Board, Environmental Chemistry (CSIRO, Australia) http://www.publish.csiro.au/nid/188.htm 2004-2007 Member, Environment Agency Scientific Advisory Panel 2005 Member, EPSRC Chemistry Panel Meeting 2006 Foreign Guest Member, Discussion Group for Environmental Analytical Chemistry, Japan Society for Analytical Chemistry 2006- Journal Editorial Board of the International Journal of Environmental Analytical Chemistry (Taylor and Francis) http://www.tandf.co.uk/journals/geac 2008- Steering Group Member, Division of Analytical Chemistry, The European Association of Chemical and Molecular Sciences (EuCheMS-DAC) http://www.euchems.eu/divisions/analytical-chemistry.html 2009 Member, Quality Peer Review Group, University of Limerick 2009 Member, NERC Pool of Technology Reviewers 2010 Chair, NERC/ACTF Analytical Science and Technology Studentship Assessment Panel. 2011 Chair, NERC/ACTF Analytical Science and Technology Studentship Assessment Panel. 2012 Chair, NERC/ACTF Analytical Science and Technology Studentship Assessment Panel. ROYAL SOCIETY OF CHEMISTRY (RSC) ACTIVITIES 1982-1990 Committee Member (Honorary Secretary 1984-1987; Vice Chair 1987-1989; Chair 1989-1990) RSC Analytical Division, North East Region. 1986-1988 Committee Member, RSC North Humberside Section. 1987-1996 Committee Member (Treasurer 1987-1990; Vice Chair 1990-1992; Chair 1992-1994), RSC Analytical Division, Molecular Spectroscopy Group. 1989-1991 Council Member, RSC Analytical Division. 1989-1991 Trustee, RSC Analytical Chemistry Trust Fund. 1990-1993 Committee Member, RSC Research Fund. 1991-1993 Committee Member (Vice Chair 1991-1992; Chair 1992-1993), RSC Peninsula Section. 1993-1998 Honorary Auditor, RSC Environmental Chemistry Group. 1996-1998 Council Member, RSC Analytical Division and Trustee, RSC Analytical Chemistry Trust Fund. 1999-2004 Committee Member, RSC Analytical Division, Molecular Spectroscopy Group. 2002 Selection Panel for RSC Industrially Sponsored Award. 2002-2005 Council Member, RSC Analytical Division and Trustee, RSC Analytical Chemistry Trust Fund. 2003-2004 President Elect, RSC Analytical Division. 2003-2005 Committee Member, RSC Environment, Sustainability and Energy Forum. 2004-2006 President, RSC Analytical Division. 2004-2006 Chair of Trustees, Analytical Chemistry Trust Fund. 2004-2008 Committee Member, Federation of European Chemical Societies – Division of Analytical Chemistry. 2004-2006 Trustee, Analytical Methods Trust. 2004-2005 Council Member, RSC. 2004-2006 Committee Member, RSC Science and Technology Board. 2005-2008 Committee Member, RSC Peninsula Section. 2005-2006 Steering Group Member, Chemistry Innovation Knowledge Transfer Network (CIKTN), Analytical and Measurement Sciences (AMS) Platform. 2006-2007 Immediate Past President, Analytical Division of the Royal Society of Chemistry. 2006-2012 RSC Disciplinary Committee. 2006-2013 RSC Analytical Division Representative, Division of Analytical Chemistry, The European Association for Chemical and Molecular Sciences (EuCheMS). 2008-2010 Chair, RSC Analytical Division, Western Region. 2011-2013 Chair, Division of Analytical Chemistry, The European Association for Chemical and Molecular Sciences (EuCheMS). Teaching interests MAJOR TEACHING INTERESTS Analytical Chemistry Environmental Chemistry Environmental Science Staff serving as external examiners 70 PhD examinations in total; 51 external and 19 internal 2007 PhD (Deakin University, Geelong); PhD (Dublin City University). 2008 PhD (University of Balochistan) 2009 PhD (University of Plymouth); PhD (University of Southampton); PhD (Shah Abdul Latif University, Khaipur). 2010 PhD (University of Antwerp). 2011 PhD (University of Plymouth); PhD University of Southampton; PhD Deakin University, Geelong). Research interests
Further details can be found on my University personal web page at www.plymouth.ac.uk/staff/pworsfold and on my research group (Biogeochemistry and Environmental Analytical Chemistry (BEACh)) web page at www.research.plymouth.ac.uk/beach. My research activities are underpinned by my interest and expertise in Analytical Chemistry. My research programme is at the interface of Analytical Chemistry with Environmental Chemistry as Head of the Biogeochemistry and Environmental Analytical Chemistry (BEACh) Group at the University of Plymouth and a member of the Biogeochemistry research Centre. Particular areas of current interest are the development of field based and laboratory techniques for the determination of macronutrients (e.g. P, N species) and micronutrients (e.g. Fe species) in natural waters and their role in terrestrial, freshwater and marine biogeochemical processes. The technique of flow injection (FI) analysis provides an integrating theme for my research activities, with particular emphasis on the design, construction and deployment of automated FI instrumentation for laboratory and in situ applications. The principle objectives are to: · Monitor environmental processes by shipboard, bankside or submersible deployments in order to provide immediate, high quality analytical information with good temporal and spatial resolution on specific analytes of environmental interest. · Use this high quality data as a means of better understanding environmental processes, elucidating the biogeochemical cycling of nutrient elements, providing a database of environmental trends and detecting transient events such as pollution incidents. · Interact with other disciplines in order to provide decision support systems for environmental / water quality management. CURRENT RESEARCH PROJECTS · The effect of climate change on bioavailability of iron and rates of nitrogen fixation in Trichodesmium. (NERC) 2008-2012. · Impact of sea level rise on the fate of radionuclides at contaminated nuclear sites. (NERC) 2008-2012. · Solubility of aerosol iron in open seawater. (EU MC-OIF) 2009-2012. · Measuring the effect of sedimentary nitrogen and phosphorus on water quality. (NERC) 2009-2012. · Impact of wildfire on UK water resources (UoP) 2009-2012. · Design and implementation of technical and management systems for the Langage farm anaerobic digester (KTP) 2010-2012. · Uncertainty estimates for iron species in seawater. (EU EMRP Researcher Excellence Grant) 2011-2014. Other research Research degrees awarded to supervised students Total completions - 53 PhD, 2 MPhil
A. Milne (University of Plymouth) “Marine biogeochemistry studies of iron and hydrogen peroxide using flow injection-chemiluminescence”. M. Orif (University of Plymouth) “The impacts of atmospherically derived metals on coastal marine systems”. 2008 C. Money (University of Plymouth) “Trace metal chemical speciation and acute toxicity to Pacific oyster larvae”. R. Tuckwell (MPhil) (University of Plymouth) “Flow analysis techniques for the determination of nutrients in natural waters”. 2009 S. Handley-Sidhu (University of Plymouth) “The biogeochemical controls on the corrosion and fate of depleted uranium”. M.J. Séguret (University of Plymouth) “Dissolution of aerosol iron in seawater using flow-injection with chemiluminescence detection”. G. Maier (University of Plymouth) “Nutrients and eutrophication in the Taw Estuary”. C. May (University of Plymouth) “The impact of co-contaminant chelating agents on the speciation, sorption and migration of actinides”. 2010 J. Zhao (University of Plymouth) ”Transformations of organic and inorganic phosphorus in estuarine particle – water systems.” E. Reinoso-Maset (University of Plymouth) “Aqueous and solid phase interactions of radionuclides with organic complexing agents” 2011 R.A. Shelley (University of Plymouth) “Cobalt biogeochemistry in the Atlantic Ocean using flow injection-chemiluminescence” Grants & contracts 2007 (£110,854) · Phosphorus mobilisation with sediment and colloids through drained and undrained grasslands. Part 2. DEFRA contract PE0120 via IGER sub-contract. Nine months. £49,728. · Sediments as internal nutrient source for eutrophication of the Black Sea shelf (with Prof Laurence Mee, Drs Phil Culverhouse and Alan Tappin). The Royal Society. Two years. £11,920. · Zinc and copper chemistry in the Atlantic Ocean (with Dr Maeve Lohan). Marine Institute studentship. Three years. £50,000. 2008 (£13,687 + €260,445) · Plutonium bio-signature as a tracer of climate changes in ocean transport (with Drs Patric Lindahl (IRMM Geel, Belgium), Miranda Keith-Roach and Gi-Hoon Hong (KORDI, South Korea)). EU Marie Curie. Three years. €257,445. · Mercury in natural waters (with Drs Mike Foulkes and Kirsten Leopard). Bayerische Forschungsstiftung. Eight months. €3,000. · Phytoplankton community successions and their relation to nutrient availability in the Taw Estuary, North Devon (with Drs Alan Tappin and Gillian Glegg). Seale Hayne Educational Trust. Four months. £9,137. · Environmental applications of flow injection analysis. Technical University of Denmark. Six months. £2800. · Flow injection techniques for environmental analysis. Pakistan Higher Education Commission. Six months. £1750. 2009 (£116,283 + €244,808) · Solubility of aerosol iron in open ocean seawater (with Drs Simon Ussher, Maeve Lohan and Peter Sedwick (BIOS, Bermuda)). EU MC-OIF. Three years. €244,808. · Flow injection techniques for nutrients in highway runoff. University of Lagos/ACTF (with Malcolm Nimmo). Six months. £4345. · Diurnal cycling of DOC in the Taw catchment using a high resolution, in situ UV sensor (with Roland Bol (North Wyke Research)). Seale Hayne Educational Trust. Three months. £9438. · Chemically modified biomass method for biosorption of heavy metals in wastewater systems (with Mike Foulkes). Commonwealth Scholarship Commission. Six months. £2500. · Measuring the effect of sedimentary nitrogen and phosphorus on water quality (with Andrew Manning and Mark Fitzsimons) NERC. Three years. £50,000 · Impact of wildfire on UK water resources (with Will Blake and Miranda Keith-Roach) UoP. Three years. £50,000. 2010 (£126,472) · Design and implementation of technical and management systems for Langage farms anaerobic digester (with Colin Trier, Rob Parkinson, Rob Clough, Graham Bradley). TSB/Defra KTP. Two years. £121,472. · The influence of suspended sediment on the flux of nutrients from estuaries (with Mark Fitzsimons and Andy Manning). UoP MI. Six months. £5,000. · Determination of nutrients in natural waters. Pakistan HEC. Six months. £2,899. 2011 (€281,606) · Uncertainty estimates for iron species in seawater (with Maeve Lohan and Malcolm Nimmo). EU EMRP Researcher Excellence Grant. Three years. €281,606. Creative practice & artistic projects Publications Publications 2007 - 2011 07.1 Processes affecting transfer of sediment and colloids, with associated phosphorus, from intensively farmed grasslands: colloid and sediment characterization methods, L.J. Gimbert, P.J. Worsfold and P.M. Haygarth, Hydrological Processes, 21, 275-279 (2007) doi: 10.1002/hyp.6599. 07.2 Intercomparison between FI-CL and ICP-MS for the determination of dissolved iron in Atlantic seawater, A.R. Bowie, S.J. Ussher, W.M. Landing and P.J. Worsfold, Environmental Chemistry, 4, 1-4 (2007) doi: 10.1071/EN06073. 07.3 Partitioning and stability of engineered ZnO nanoparticles in soil suspensions using flow field-flow fractionation, L.J. Gimbert, R.E. Hamon, P.S. Casey and P.J. Worsfold, Environmental Chemistry, 4, 8-10 (2007) doi: 10.1071/EN06072. 07.4 Determination of nanomolar concentrations of phosphate in natural waters using flow injection with a long path length liquid waveguide capillary cell and solid-state spectrophotometric detection, L.J. Gimbert, P.M. Haygarth and P.J. Worsfold, Talanta, 71, 1624-1628 (2007) doi: 10.1016/j.talanta.2006.07.044. 07.5 Characterisation of thorium-ethylenediaminetetraacetic acid and thorium-nitrilotriacetic acid species by electrospray ionisation-mass spectrometry, A.J. Cartwright, C.C. May, P.J. Worsfold and M. Keith-Roach, Analytica Chimica Acta, 590, 125-131 (2007) doi: 10.1016/j.aca.2007.03.010. 07.6 Determination of silicate in anthropogenically impacted natural waters using flow injection spectrophotometry, O.N. Omaka, M.J. Keith-Roach and P.J. Worsfold, Journal of Flow Injection Analysis, 24, 4-8 (2007). 07.7 A protocol to assess the enzymatic release of dissolved organic waters under environmentally relevant conditions, P. Monbet, I.D. McKelvie, A. Saefumillah and P.J. Worsfold, Environmental Science and Technology, 41, 7479-7485 (2007) doi: 10.1021/es070573c. 07.8 Phosphorus speciation, burial and regeneration in coastal lagoon sediments of the Gippsland Lakes (Victoria, Australia), P. Monbet, I.D. McKelvie and P.J. Worsfold, Environmental Chemistry, 4, 334-346 (2007) doi: 10.1071/1/EN07049. 07.9 Flow injection spectrophotometric method for the determination of filterable reactive phosphorus (FRP) in natural waters in the presence of high concentrations of arsenate and silicate, O.N. Omaka, M.J. Keith-Roach and P.J. Worsfold, Journal of the Chemistry Society of Nigeria, 32, 143-149 (2007). 07.10 Distribution and redox speciation of dissolved iron on the European continental margin, S.J. Ussher, P.J. Worsfold, E.P. Achterberg, A. Laës, S. Blain, P Laan and H.J.W. de Baar, Limnology and Oceanography, 52, 2530-2539 (2007). 07.11 Nitrogen cycling in natural waters using in situ, reagentless UV spectrophotometry with simultaneous determination of nitrate and nitrite, R.C. Sandford, A Exenberger and P.J. Worsfold, Environmental Science and Technology, 41, 8420-8425 (2007) doi: 10.1021/es071447b. 08.1 Automatic sampler coupled with flow injection-chemiluminescence detection to monitor particle/natural water interactions, M.J.M. Séguret, S.J. Ussher, P.J. Worsfold, M. Nimmo and J.W. Wood, Instrumentation Science and Technology, 36, 18-31 (2007) doi: 10.1080/10739140701749773. 08.2 Enzymatic flow-injection determination of phytase-hydrolysable phosphorus (PHP) in natural waters using immobilised 3-phytase, O.N. Omaka, M. Keith-Roach, I.D. McKelvie and P.J. Worsfold, International Journal of Environmental Analytical Chemistry, 88, 91-101 (2008) doi: 10.1080/03067310701451061. 08.3 Combined gel probes for the in situ determination of dissolved reactive phosphorus in porewaters and characterization of sediment reactivity, P. Monbet, I.D. McKelvie and P.J. Worsfold, Environmental Science and Technology, 42, 5112-5117 (2008) doi: 10.1021/es8001663. 08.4 Application of flow field-flow fractionation and laser sizing to characterise soil colloids in drained and undrained lysimeters, L.J. Gimbert, P.M. Haygarth and P.J. Worsfold, Journal of Environmental Quality, 37, 1656-1660 (2008) doi: 10.2134/jeq2007.0583. 08.5 Collision-induced dissociation of three groups of hydroxamate siderphores: Ferrioxamines, ferrichromes and coprogens/fusigens, E. Mawji, M. Gledhill, P.J. Worsfold and E.P. Achterberg, Rapid Communications in Mass Spectrometry, 22, 2195-2202 (2008) doi: 10.1002/rcm.3604. 08.6 Hydroxamate siderophores: Occurrence and importance in the Atlantic Ocean, E. Mawji, M. Gledhill, J.A. Milton, G.A. Tarran, S. Ussher, A. Thompson, G.A. Wolff, P.J. Worsfold and E.P. Achterberg, Environmental Science and Technology, 42, 8675-8680 (2008) doi: 10.1021/es80188r. B08.1 Environmental applications: waters, sediments and soils, P.J. Worsfold, I.D. McKelvie and G. Hanrahan in S.D. Kolev and I.D. McKelvie (Eds) Advances in Flow Injection and Related Techniques, Wilson & Wilson’s Comprehensive Analytical Chemistry Series Volume 54, Chapter 23, Elsevier 2008, pp. 686-760 ISBN: 978-0-444-53094-3 doi: 10.1016/S)166-526X(08)00623-5. 09.2 Estuarine eutrophication in the UK: current incidence and future trends, G. Maier, R.J. Nimmo-Smith, G.A. Glegg, A.D. Tappin and P.J. Worsfold, Aquatic Conservation: Marine and Freshwater Ecosystems, 19, 43-56 (2009) doi: 10.1002/aqc.982. 09.03 Corrosion and fate of depleted uranium penetrators under progressively anaerobic conditions in estuarine sediment, S. Handley-Sidhu, P.J. Worsfold, C. Boothman, J.R. Lloyd, R. Alvarez, F.R. Livens, D.J. Vaughan and M.J. Keith-Roach, Environmental Science & Technology, 43, 350-355 (2009) doi: 10.1021/es8021842. 09.04 Activated gold surfaces for the direct preconcentration of mercury species from natural waters, A. Zierhut, K. Leopold, L. Harwardt, P. Worsfold and M. Schuster, Journal of Analytical Atomic Spectrometry, 24, 767-774 (2009) doi: 10.1039/b820701a. 09.05 Gold-coated silica as a preconcentration phase for the determination of total dissolved mercury using atomic fluorescence spectrometry, K. Leopold, M. Foulkes and P.J. Worsfold, Analytical Chemistry, 81, 3421-3428 (2009) doi: 10.1021/ac802685s. 09.06 The use of monitoring data for identifying factors influencing phytoplankton bloom dynamics in the eutrophic Taw Estuary, SW England, G Maier, G.A. Glegg, A.D. Tappin and P.J. Worsfold, Marine Pollution Bulletin, 58, 1007-1015 (2009) doi: 10.1016/j.marpolbul.2009.02.014. 09.07 Investigation of iron(II) reduction and trace metal interferences in the determination of dissolved iron in seawater using flow injection with luminol chemiluminescence detection, S.J. Ussher, A. Milne, W.M. Landing, K. Attiq-ur-Rehman, M.J.M. Seguret, T. Holland, E.P. Achterberg, A. Nabi and P.J. Worsfold, Analytica Chimica Acta, 652, 259-265 (2009) doi: 10.1016/j.aca.2009.06.011. 09.08 Biogeochemical controls on the corrosion of depleted uranium alloy in subsurface soils, S. Handley-Sidhu, P.J. Worsfold, F.R. Livens, D.J. Vaughn, J.R. Lloyd, C. Boothman, M. Saji, R. Alverez and M.R. Keith-Roach, Environmental Science and Technology, 43 6177-6182 (2009) doi: 10.102/es901276e. 09.09 Corrosion and transport of depleted uranium in sand-rich environments, S. Handley-Sidhu, N.D. Bryan, P.J. Worsfold, D.J. Vaughn, F.R. Livens and M.R. Keith-Roach, Chemosphere, 77, 1434-1439 (2009) doi: 10.1016/j.chemosphere.2009.08.053. 09.10 Temporal variability of colloidal material in agricultural storm runoff from managed grassland using flow field-flow fractionation, L.J. Gimbert and P.J. Worsfold, Journal of Chromatography A, 1216, 9120-9124 (2009) doi: 10.1016/j.chroma.2009.05.025. 09.11 Real-time detection of reactive oxygen species generation by marine phytoplankton using flow injection-chemiluminescence, A. Milne, M.S. Davey, P.J. Worsfold, E.P. Achterberg, and A.R. Taylor, Limnology and Oceanography: Methods, 7, 706-715 (2009). 10.01 Sedimentary pools of phosphorus in the eutrophic Tamar estuary (SW England), P. Monbet, I.D. McKelvie and P.J. Worsfold, Journal of Environmental Monitoring, 12, 296-304 (2010) doi:10.1039/b911429g. 10.02 A portable flow injection analyzer for the in situ determination of filterable reactive phosphorus (FRP) in freshwater, U. Mankasingh and P.J. Worsfold, Instrumentation Science & Technology, 38, 2, 187-200 (2010) doi: 10.1080/10739141003594594. 10.03 Validation of a portable flow injection-chemiluminescence (FI-CL) method for the determination of dissolved iron in Atlantic open ocean and shelf waters by comparison with isotope dilution-inductively coupled plasma mass spectrometry (ID-ICPMS), S.J. Ussher, I. Petrov, C.R. Quétel and P.J. Worsfold, Environmental Chemistry, 7, 139-145 (2010) doi: 10.1071/EN09092. 10.04 Distribution of size fractionated dissolved iron in the Canary Basin, S.J. Ussher, E.P. Achterberg, G. Sarthou, P. Laan, H.J.W. de Baar and P.J. Worsfold, Marine Environmental Research, 70, 46-55 (2010) doi:10.1016/j.marenvres.2010.03.001. 10.05 In situ determination of dissolved organic carbon in freshwaters using a reagentless UV sensor, R.C. Sandford, R. Bol and P.J. Worsfold, Journal of Environmental Monitoring, 12, 1678-1683 (2010) doi:10.1039/c0em00060d. 10.06 Ultra-trace determination of plutonium in marine samples using multi-collector inductively coupled plasma mass spectrometry, P. Lindahl, M. Keith-Roach, P. Worsfold, M. Choi, H. Shin, S. Lee, Analytica Chimica Acta, 671, 61-69 (2010) doi:10.1016/j.aca.2010.05.012. 10.07 Determination of total dissolved cobalt in UV-irradiated seawater using flow injection with chemiluminescence detection, R.U. Shelley, B. Zachhuber, P.N. Sedwick, P.J. Worsfold, M. Lohan, Limnology and Oceanography : Methods, 8, 352-362 (2010) doi:10:4319/lom.2010.8.352. B10.1 Dynamic up-flow percolation tests – a model for mining waste leachate generation, A. Turner, C. Braungardt, P. Worsfold, J. Rieuwerts, B. Williamson, H. Potter in International Minewater Association, “International Mine Water Conference”, Pretoria, South Africa, ISBN: 978-0-09802623-5-3. O10.1 Africa’s water quality. A chemical science perspective. A report by the RSC Pan Africa Chemistry Network, March 2010. http://www.rsc.org/images/RSC_PACN_Water_Report_tcm18-176914.pdf 11.01 Sources of plutonium to the tropical Northwest Pacific Ocean (1943-1999) identified using a natural coral archive, P. Lindahl, R. Asami, Y. Iryu, P. Worsfold, M. Keith-Roach, M.-S. Choi, Geochimica Cosmochimica Acta, 75, 1346-1356 (2011) doi 10.1016/j.gca.2010.12.012. (201). 11.02 The contribution of roadside soil to phosphorus loading in the eutrophic Lagos Lagoon, Nigeria, A. Abayomi, M. Nimmo, C. Williams, K.O.Olayinka, B. Osuntogun, B. Alo, P. Worsfold, Journal of Environmental Monitoring, 13, 1884-1889 (2011) doi: 10.1039/c1em10266d. 11.03 Iron solubility in crustal and anthropogenic aerosols: The Eastern Mediterranean as a case study. M.J.M. Séguret, M. Koçak, C.Theodosi, S.J. Ussher, P.J. Worsfold, B. Herut, N. Mihalopoulos, N. Kubilay, M.Nimmo. Marine Chemistry. 126, 229-238 (2011) doi: 10.1016/j.marchem.2011.05.007. 11.04 Metal specification and toxicity of Tamar Estuary water to larvae of the Pacific oyster, Crassostrea gigas. C. Money, C. Braungardt, A. Jha, P.J. Worsfold, E. Achterberg. Marine Environmental Research. 72, 3-11 (2011), doi: 10.1016/j.marenvres.2011.05.001. 11.05 Temporal record of Pu isotopes in inter-tidal sediments from the northeastern Irish Sea. P. Lindahl, P.J. Worsfold, M. Keith-Roach, M.B. Andersen, P. Kershaw, K. Leonard, M. Choi, D. Boust, P. Lesueur. Science of the Total Environment. 409, 5020-5025 (2011), doi: 10.1016/j.scitotenv.2011.08.019. 11.06 Determination of nitrate and nitrite in freshwaters using flow-injection with luminol chemiluminescence detection. M. Yaqoob, B. Folgado Biot, A. Nabi, P.J. Worsfold. Luminescence. (2011), doi: 10.1002/bio.1366. 11.07 A high resolution temporal study study of phytoplankton bloom dynamics in the eutrophic Taw Estuary (SW England). G. Maier, G. Glegg, A. Tappin, P.J. Worsfold. Science of the Total Environment, (2011) doi: 10.1016/j.scitotenv.2011.08.044. 11.08 Spatial and temporal distribution of Pu in the Northwest Pacific Ocean using modern coral archives. P. Lindahl, M.B. Andersen, M. Keith-Roach, P.J. Worsfold, K. Hyeong, M. Choi, S. Lee. Environment International (2011) doi:10.1016/j.envint.2011.08.004. B11.1 Trace determination of plutonium in coral samples using multi-collector ICP-MS, P. Lindahl, M. Keith-Roach, P. Worsfold in P. Warwick (Ed) Environmental Radiochemical Analysis IV, RSC, 2011, pp 198-203. ISBN: 978-1-84973-294-9 doi 10.1039/9781849732949-00198.
Reports & invited lectures
PUBLIC PRESENTATIONS SINCE 2007 2007 · Using HMS data for the assessment of the trophic status of the Taw Estuary, Water Status Monitoring under the WFD Conference, Lille, France, March 2007. · Iron in the oceans – Analytical challenges and environmental consequences, Invited Lecture, 19th NASTEC (Nordic Atomic Spectroscopy and Trace Element Conference), Laugarvatn, Iceland, June 2007. · Flow injection coupled with luminescence detection for the analysis of environmental and other matrices, Keynote Lecture, 14th International Conference on Flow Injection Analysis (ICFIA 2007) including Related Techniques, Berlin, Germany, September 2007. · Grassland, sediments, colloids and phosphorus: an interdisciplinary team approach with the ‘GrasP’ project, The 5th International Phosphorus Workshop (IPW5), Silkeborg, Denmark, September 2007 (C.J.A Macleod, G.S. Bilotta, R. Bol, R.E. Brazier, P.J. Butler, J. Freer, L.J. Gimbert, S.J. Granger, J. Hawkins, T. Krueger, P.S. Naden, G. Old, J.N. Quinton, P. Worsfold, P.M. Haygarth). · Characterisation of colloidal material in soil suspensions and agricultural runoff waters, The 5th International Phosphorus Workshop (IPW5), Silkeborg, Denmark, September 2007 (L. Gimbert, P. Haygarth, P. Worsfold). · Determination of the factors controlling the dissolution of aerosol iron in seawater by FI-CL detection, Challenger Conference for Marine Science, Galway, September 2007 (M Séguret, S Ussher, E Achterberg, M Nimmo, P Worsfold). · Flow injection techniques for investigating the biogeochemistry of dynamic marine environments, Plenary Lecture, 4th Asian-Pacific International Conference on Pollutant Analysis and Control, Beijing, China, October 2007. · The potential of modified agricultural practices to mitigate eutrophication events in the Taw Estuary (UK), ERF-Estuarine Research Federation Conference, Providence, RI, USA, November 2007 (G. Maier, A.D. Tappin, G.A. Glegg and P.J. Worsfold). · Flow injection techniques for investigating the biogeochemistry of dynamic marine environments, Keynote Lecture, EMEC8, 8th European Meeting on Environmental Chemistry, Inverness, December 2007. 2008 · Dissolution of aerosol iron in seawater using FI-CL detection, ASLO, Orlando, Florida, March 2008 (M. Séguret, S.J. Ussher, P.J. Worsfold and M. Nimmo). · The corrosion and fate of depleted uranium in coastal sediment during progressively anoxic conditions, 2nd International Nuclear Chemistry Congress, Cancun, Mexico, April 2008 (S. Handley-Sidhu, P.J. Worsfold, M. Keith-Roach). · Impact of organic co-contaminant complexation on radionuclide sorption to sand, 2nd International Nuclear Chemistry Congress, Cancun, Mexico, April 2008 (C.C. May, E. Reinoso-Maset, P.J. Worsfold, M.J. Keith-Roach). · The corrosion of depleted uranium penetrators in grassland soils, Goldschmidt 2008, Vancouver, Canada, July 2008 (S. Handley-Sidhu, P.J. Worsfold, M. Keith-Roach). · Impact of organic co-contaminant complexation on Th sorption to sand, Goldschmidt 2008, Vancouver, Canada, July 2008 (C.C. May, P.J. Worsfold, M.J. Keith-Roach). · Radionuclides, organic complexing agents and solid phases: Exploring their interactions, Goldschmidt 2008, Vancouver, Canada, July 2008 (E. Reinoso-Maset, P.J. Worsfold, M.J. Keith-Roach). · Flow injection techniques for investigating the biogeochemistry of dynamic aquatic environments, Invited Lecture, DanSAK 9 (Danske Symposium i Analytisk Kemi), Copenhagen, Denmark, August 2008. 2009 · Physical and chemical factors impacting upon the dissolution of aerosol iron in seawater, ASLO Aquatic Sciences Meeting, Nice, France, January 2009 (M. Séguret, S.J. Ussher, P.J. Worsfold and M. Nimmo). · Eutrophication and ammonia inhibition in the Taw Estuary, SW England, ASLO Aquatic Sciences Meeting, Nice. France, January 2009 (G. Maier, M.M. Ripoll Matas, A.D. Tappin, G.A. Glegg and P.J. Worsfold). · Effect of turbulence on phosphorus release from estuarine sediment, ASLO Aquatic Sciences Meeting, Nice, France, January 2009 (J. Zhao, A.D. Tappin, M. Keith-Roach, I.D. McKelvie, M. Fitzsimons, A. Manning and P.J. Worsfold). · Flow injection techniques for investigating the biogeochemistry of dynamic aquatic environments, University of Vigo Research Seminar, Vigo, Spain, May 2009. · A novel solid phase preconcentration method using gold coated silica for the determination of mercury in river waters by atomic fluorescence spectrometry, International Conference on Mercury as a Global Pollutant (ICMGP 2009), Guiyang, China, June 2009 (K. Leopold, M. Foulkes and P.J. Worsfold). · Rapid analytical techniques for monitoring the impact of nutrients on water quality, Plenary Lecture, Pan African Chemistry Network – Sustainable Water Conference, Nairobi, Kenya, August 2009. · Flow injection techniques for investigating the biogeochemistry of dynamic marine environments, Keynote Lecture, Euroanalysis 15, Innsbruck, Austria, September 2009. · Catalytically active gold collector for the preconcentration and determination of total dissolved mercury in natural waters, Euroanalysis 2009, Innsbruck, Austria, September 2009 (K. Leopold, A. Zierhut, M. Schuster, M. Foulkes and P.J. Worsfold). · Flow injection with chemiluminescence detection for the determination of total dissolved cobalt in open ocean water, Flow Analysis XI, Mallorca, Spain, September 2009 (R. Shelley, B.Zachhuber, M. Lohan and P.J. Worsfold). · A spectrophotometric flow injection method with sequential extraction for the determination of organic phosphorus species in natural waters, Flow Analysis XI, Mallorca, Spain, September 2009 (P. Monbet, I.D. McKelvie and P.J. Worsfold). 2010 · Flow based analytical techniques as tools for water quality assessment, PACCON, Ubon Ratchathani, Thailand, January 2010, (I.D. McKelvie, P.S. Ellis, B. Gentle, M.R. Grace, P. Cook, P.A. Faber and P.J. Worsfold). · The analytical challenges in oceanic iron biogeochemistry, Invited Lecture. Analysdagarna 2010, Uppsala, Sweden, June 2010. · Flow injection techniques for investigating nutrient biogeochemistry in dynamic aquatic environments, Environmental Chemistry Masterclass, Maynouth, Ireland, June 2010. · Marine nutrient dynamics in turbid estuaries – a case study of the Seine Estuary, France, 14th Biennial Challenger Conference for Marine Science, Southampton, September 2010. (E.L. Pidduck, R. Verney, A.J. Manning, M.F. Fitzsimons, A.J. Souza and P.J. Worsfold). · Investigating processes that control aerosol iron dissolution in the sub-tropical Atlantic Ocean, 14th Biennial Challenges Conference for Marine Science, Southampton, September 2010. (S. Ussher, K. Buck, P. Sedwick, M. Lohan, P. Worsfold, T. Knap). · Ultra-trace determination of plutonium in coral samples using multi-collector ICP-MS, 11th International Symposium on Environmental Radiochemical Analysis, Chester, September 2010. (P. Lindahl, M. Keith-Roach and P.J. Worsfold). 2011 · Flow injection techniques for investigating the biogeochemistry of dynamic aquatic environments, Bermuda Institute for Ocean Research (BIOS) Research Seminar, Bermuda, March 2011. · Flow injection techniques for investigating the biogeochemistry of dynamic aquatic environments, Plenary Lecture, 34th Annual Meeting of the Brazilian Chemical Society, Florianopolis, Brazil, May 2011. · Sources of plutonium to the tropical Northwest Pacific Ocean since the mid-20th century: a natural coral archive, Japan Geoscience Union International Symposium, Chiba, Japan, May 2011. (P. Lindahl, R. Asami, Y. Iryu, P.J. Worsfold, M. Keith-Roach and M.S. Choi). · Effect of climate change driven sea water intrusion on the mobilisation of Tc(VI) from reduced sub-surface sediments, Goldschmidt 2011, Prague, August 2011. (J. Eagling, P.J. Worsfold, G. O’Sullivan and M. Keith-Roach). · The influence of co-contaminant complexing agents on radionuclide environmental behaviour, Invited Lecture, Goldschmidt 2011, Prague, August 2011. (M. Keith-Roach, E. Reinoso-Maset, C. May, L. Young and P.J. Worsfold). · Flow injection with chemiluminescence detection as a tool for investigating the aquatic environment, Keynote Lecture, Euroanalysis 16, Belgrade, Serbia, September 2011. Conferences organised · International Scientific Advising Board, International Conference on Flow Injection Analysis (ICFIA 2008) and 25th Anniversary of the Japanese Association of Flow Injection Analysis, Nagoya, Japan, September 2008. · International Scientific and Advisory Committee, Euroanalysis 2009, Innsbruck, Austria, September 2009. · Scientific Committee, Flow Analysis XI, Mallorca, Spain, September 2009. · Scientific Committee Presidium, In Vino Analytica Scientia, Graz, Austria, July 2011. · International Scientific and Advising Committee, Euroanalysis 2011, Belgrade, Serbia, September 2011. |
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