TY - CPAPER TI - Probing the presence or absence of polysoaps on silica surfaces using pyrene fluorescence PY - 2006 AU - Munhóz, Maria Fernanda Baptista AU - Quina, Frank Herbert T2 - Winter Conference of the Inter-American Photochemical Society - I-APS J2 - Program and Abstracts PP - São Paulo PB - CEPEMA-USP ER -