TY - JOUR T1 - Structural impact of hydroxyvalerate in polyhydroxyalkanoates (PHAscl) dense film monitored by XPS and photothermal methods JO - Journal of the Brazilian Chemical Society A1 - Silva, Marcelo G. da A1 - Vargas, Helion A1 - Poley, Luiz H. A1 - Rodriguez, Ruben S. A1 - Baptista, Gilson B. SN - 0103-5053 UL - 10.1590/S0103-50532005000500017 VL - 16 Y1 - 2005 PB - Brasil ER -