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Ana S. Viana

Contactos

Centro de Química e Bioquímica

Sala/Gabinete 8.4.37 e 8.3.46/7
Ext. Principal 28437
Telefone Direto
Email anaviana@ciencias.ulisboa.pt
Carreira Docente Universitário
Categoria Professor Auxiliar

Indicadores

ResearcherID
Orcid
Scopus

Palavras Chave

  • Molecular & Interfacial Electrochemistry
  • Imaging at nanoscale
  • Optical & electrochemical biosensors

Keywords

  • Molecular & Interfacial Electrochemistry
  • Imaging at nanoscale
  • Optical & electrochemical biosensors
Scientific Interests

Surface (bio)functionalization, including nanomaterials, with organic coatings (self-assembled monolayers, biomimetic supported lipid membranes, adhesive polymers, metalloporphyrins, biomolecules) for biosensing and electrocatalysis. Expert on high resolution imaging (from atoms to bacteria, using scanning tunnelling and atomic force microscopy), electrochemical and optical characterization techniques (e.g. ellipsometry and surface plasmon resonance).

Publicações selecionadas
  • I Almeida, F Henriques, MD Carvalho, AS Viana*, Carbon disulfide mediated self-assembly of Laccase and iron oxide nanoparticles on gold surfaces for biosensing applications, Journal of Colloid and Interface Science 485, 2017, 242-250
  • I. Almeida, S.G. Mendo, M.D. Carvalho, J.P. Correia, A.S. Viana*, Catalytic Co and Fe porphyrin/Fe3O4 nanoparticles assembled on gold by carbon disulfide, Electrochimica Acta, 2016, 188, 2016, 1–12
  • J. T. Marquês, R. F. M. de Almeida*, A. S. Viana* “Lipid bilayers supported on bare and modified gold - formation, characterization and relevance of lipid rafts”, Electrochimica Acta, 2014, 126, 139-140
  • M. Li, I. M. Ornelas, W. Li, Y. Niu, J. P. Correia, A. S. Viana, G. Jin*, Improved potentiometric and optic sensitivity of polyaniline film to dissolved oxygen by incorporating iron-porphyrin, Electroanalysis, 2015, 27, 1 – 10
  • Y. Niu, A. I. Matos, L. M. Abrantes, A. S. Viana*, G. Jin*, Antibody oriented immobilization on gold using the reaction between carbon disulfide and amine groups and its application in immunosensing Langmuir 28, 2012, 17718-17725

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