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Research Interests

My research revolves around understanding the role of trace elements, particularly manganese, as a control on, and as a tracer of, major element cycles in the ocean. Trace metals are very crucial in living systems, particularly in photosynthesis and radical scavenging enzymes. Lack in any of those metals will result in limiting of the ocean production. Much of this work applies knowledge of basic chemical processes and its application in complex marine system. This complexity involves an interdisciplinary approach including chemistry, physics, geology and biology which are brought together to provide a comprehensive understanding of the behaviour and distribution of the elemental cycle under study. 

Previously, I had developed and modified the Flow Injection Analysis methods with two types of detectors:(1) kinetic catalytic detection, and (2) chemiluminescence (CL), which were able to analyse picomolar concentrations of dissolved manganese in seawater. These methods were successfully applied to seawater samples collected from the High Nutrient Low Chlorophyll (HNLC) region around the Crozet Islands of the Southern Ocean; and from the high dust input region of the tropical North-Eastern (NE) Atlantic Ocean.

My upcoming research will be focused on developing a low cost analyser in the ‘clean laboratory’ that will be using to analyse trace metals concentrations in seawater and sediment samples collected from the local coastal and riverine systems. 


Castrillejo, M.Statham, P. J.Fones, G. R.Planquette, H.,  Idrus, F., and Roberts, K.(2013). Dissolved trace metals (Ni, Zn, Co, Cd, Pb, Al, and Mn) around the Crozet Islands, Southern Ocean.Journal of Geophysical Research: Oceans,118,(10),5188-5201.

Idrus, F.A. (2013). Dissolved manganese in ocean waters: Analytical and biogeochemical studies. PhD Thesis, University of Southampton.

Idrus, F.A. & Statham, P.J. (2011). An Improved Flow-Injection Analysis with Chemiluminescence Detection Method for Determination of Picomolar Concentration of Dissolved Manganese in Seawater. IUPAC International Congress of Analytical Science 2011 (ICAS2011) Conference Abstracts, Kyoto International Conference Center, Kyoto, Japan, 22rd-26th May 2011. (Oral Presentation).

Idrus, F.A. & Statham, P.J. (2010). Distributions of Dissolved Mn in the Vicinity of the Crozet Islands, Southern Ocean. Biennial Challenger Conference Abstracts, National Oceanography Centre Southampton, UK 6-9th September 2010. (Poster Presentation).

Idrus, F.A. & Statham, P.J. (2009). Dissolved Manganese around the Crozet Islands, Southern Ocean. Biogeochemistry of Marine Waters and Sediments, Present and Past Conference Abstracts, Geological Society, Burlington House, Piccadilly, London, UK 3rd September 2009. (Poster Presentation).

Idrus, F.A. & Statham, P.J. (2009). Contribution to Consensus Values for the SAFe Reference Samples for Dissolved Manganese. (Online).




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