Organic acids and protein compounds causing the photoluminescence properties of natural rubber membranes and the quenching phenomena from Au nanoparticle incorporation.
作者： Flávio C. Cabrera , Deuber L. S. Agostini , Renivaldo J. Dos Santos , Francisco E. G. Guimarães , Ariel R. Guerrero
DOI: 10.1002/BIO.2657
关键词:
摘要: Natural rubber membranes were fabricated using latex from Hevea brasiliensis trees (clone RRIM 600) by casting, and controlling the time temperature of thermal treatment. Three temperatures used: 65, 80 120 °C corresponding annealing times 6, 8, 10 12 h. The centrifugation produces constituent phases: solid (F1), serum or protein components (F2) bottom fraction (F3). photoluminescence properties could be correlated with organic acid latex. used as active substrate (reducing agent) for incorporation colloidal Au nanoparticles synthesized in situ reduction at different times. intensity bands assigned to natural decreases increase amount present on membrane surface. It can assumed that may formed cation reacting functional groups are directly related properties. However, quenching fluorescence attributed formation a large metal nanostructures Copyright © 2014 John Wiley & Sons, Ltd.
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