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Sheila Alves

Research Officer

Research Interests

  • Biogeochemical cycling of heavy metals.
  • Speciation of heavy metals in biological matrices.
  • Alves S; Nabais, C; Simoes Goncalves, ML; Correia dos Santos, MM (2011). Nickel speciation in the xylem sap of the hyperaccumulator Alyssum serpyllifolium ssp. lusitanicum growing on serpentine soils of northeast Portugal. JOURNAL OF PLANT PHYSIOLOGY, 168(15): 1715–1722,
  • Alves, S; Trancoso, MA; Goncalves, MDS; dos Santos, MMC (2011). A nickel availability study in serpentinised areas of Portugal. GEODERMA, 164(3-4): 155-163, DOI: 10.1016/j.geoderma.2011.05.019.
  • Alves S; Simoes Goncalves, ML; Correia dos Santos, MM (2009). Determination of Nickel, Calcium and Magnesium in Xylem Sap by Flame Atomic Absorption Spectrometry using a Microsampling Technique. PHYTOCHEMICAL ANALYSIS, 20(5): 365-371. DOI: 10.1002/pca.1135.
  • Alves, S; Correia dos Santos, MM; Trancoso, MA (2009). Evaluation of measurement uncertainties for the determination of total metal content in soils by atomic absorption spectrometry. ACCREDITATION AND QUALITY ASSURANCE, 14(2): 87-93, DOI: 10.1007/s00769-008-0484-5.
  • Costa, PM; Santos, HM; Peres, I; Costa, MH; Alves, S; Capelo-Martinez, JL; Diniz, MS (2009). Toxicokinetics of Waterborne Trivalent Arsenic in the Freshwater Bivalve Corbicula fluminea. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY, 57(2): 338-347, DOI: 10.1007/s00244-008-9267-6.
  • Santos, HM; Diniz, MS; Costa, PM; Peres, I; Costa, MH; Alves, S; Capelo, JL (2007). Toxicological effects and bioaccumulation in the freshwater clam (Corbicula fluminea) following exposure to trivalent arsenic. ENVIRONMENTAL TOXICOLOGY, 22(5): 502-509, DOI: 10.1002/tox.20303.
  • Correia dos Santos MM; Alves, S; Simoes Goncalves, ML (2007). Kinetics and mechanism of Ni(II) chelation in model and real solutions of xylem sap of Quercus ilex. ELECTROANALYSIS, 19(22): 2351-2361, DOI: 10.1002/elan.200703972.
  • Correia dos Santos, MM; Alves, S; Simoes Goncalves, ML; Nabais, C (2006). Dynamic modelling of nickel complexation in xylem sap of Quercus ilex: A voltammetric study. ELECTROANALYSIS, 18(8): 814-822, DOI: 10.1002/elan.200503446.
  • Maduro, C; Vale, G; Alves, S; Galesio, M; da Silva, MDRG; Fernandez, C; Catarino, S; Rivas, MG; Mota, AM; Capelo, JL (2006). Determination of Cd and Pb in biological reference materials by electrothermal atomic absorption spectrometry: A comparison of three ultrasonic-based sample treatment procedures. TALANTA, 68(4): 1156-1161, DOI: 10.1016/j.talanta.2005.07.020.