Selenium bioavailability in foods: the role of speciation and interaction with other dietary components / F. Cámara-Martos, J. Marval-León and R. Moreno-Rojas --; Selenium: essentiality, toxicity, dietary supplementation and analytical challenges / Márcia Silva da Rocha, Lilian da Silva, Jefferson Rodrigues de Souza, Tatiana D. Saint'Pierre and Marcelo D. Almeida --; Selenium speciation in HIV infection in the antiretroviral therapy context / Lígia Moriguchi Watanabe, Erika Grasiela Marques de Menezes, Rodrigo de Carvalho Santana and Anderson Marliere Navarro --; Selenium supplementation and autoimmune thyroid diseases / Giacomo Sturniolo and Jordi Mesa --; Selenium: the association between diabetes type-2 and serum selenium concentration in a 2-year dietary intervention trial / Ofra Paz-Tal, Einat K. Sheiner and Ayala Canfi --; Morphology, toxicity and bioactivity of selenium-containing nanostructures based on physiologically active polymer and proteins / T. E. Sukhanova, S. V. Valueva, M. E. Vylegzhanina, A. A. Kutin and A. Derylo-Marczewska --; Bioavailable nanoparticles produced via laser ablation of Se target in liquid / P. G. Kuzmin, G. A. Shafeev, V. V. Voronov, E. N. Trushina, O. K. Mustafina, G. Yu Maltsev, I. V. Gmoshinskii and S. A. Khotimchenko.