Browsing FCEFyN - Congresos 2015 by Title

Now showing items 246-248 of 248

    • Watermarking based on difference expansion and genetic algorithms 

      Vargas, Laura (2015)
      Security problems that recently appeared in transmission and storing of digital content can be solved by using watermarking. Reversible watermarking is the election in medical and defense imagery because these security ...

    • What is the real isotopic signature of dust emitted from Tierra del Fuego? 

      Gaiero, D. M.; Gili, S.; Strelin, J.; Koestner, E.; Chemale Jr, F. (2015)
      Sugden et al. (2009) suggested an on/off switch mechanism that could explain the 20 times increase of dust deposition in Antarctica during the Last Glacial Maximum (LGM), as compared to present day. This suggested switch ...

    • Yeasts as biocatalysts in the stereoselective reduction of acetophnone 

      Decarlini, M. F.; Manzoni, C.; Medici, E.; Vazquez, A. M.; Aimar, M. L. (2015)
      The asymmetric reduction of prochiral ketones represents a pivotal transformation for the production of chiral alcohols. Several of them are considered as key starting materials in obtaining of pharmaceuticals. Nowadays, ...