de Almeida, MP, Pereira E, Baptista P, Gomes I, Figueiredo S, Soares L, Franco R.  2014.  Gold Nanoparticles as (bio)chemical Sensors. Comprehensive Analytical Chemistry; Gold Nanoparticles in Analytical Chemistry  . (Valcárcel, M., López-Lorente, A.I.,  Eds.).:529?567., Amsterdam: Elsevier