self-quenching self-quenchin self-quenching amortiguación dinámica de la fluorescencia self-quenching http://en.wikipedia.org/wiki/Quenching_%28fluorescence%29 fluorescence quenching by oxygen http://en.wikipedia.org/wiki/Quenching_%28fluorescence%29 amortiguación dinámica de la fluorescencia self-quenching self-quenching fluorescence quenching collisional quenching