Characterization of flexible holographic imprints in urea-silicate and aminealcohol-silicate matrices with embedded metal nanoparticles. Sandra D. Moreira, Carlos J. R. Silva, Manuel F.M. Costa, Luís A. S. A. Prado, M.J.M. Gomes EOS Annual Meeting 2012 (EOSAM 2012), myEOS.org Aberdeen Exhibition and Conference Centre, Scotland, UK, 25 -28September 2012