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artículo
In this work, we show the step by step synthesis of silver films using electroless technique. These films were obtained easily and economically in this job; which were used as SERS-active substrates. These substrates were characterized by atomic force microscopy, dark field microscopy, and SERS magnification. Rhodamine B, detection up to 1 ppb, was used as a test molecule for SERS magnification. These silver films were applied in the detection of sodium arsenate and with a detection limit of 100 ppb.
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artículo
A. Yarleque, S. Campos, E. Escobar, F. Lazo, N. Sanchez, S. Hyslop, N. A. Marsh, P. J. Butterworth and R. G. Price. Isolation and characterization of a fibrinogen-clotting enzyme from venom of the snake Lachesis muta muta(Peruvian bushmaster). Toxicon27, 1189–1197, 1989.—A fibrinogen-clotting enzyme from the venom of the Peruvian bushmaster snake was purified to homogeneity by gel filtration on Sephadex G-100 followed by DEAE-cellulose ion-exchange chromatography using a linear ionic strength gradient with NaCl.