Publicaciones 2011-2020

@article{RN367,
title = {Sers Spectrum of Red Dyes in the Mapuche Belts from the Beginning of the Xxth Century},
author = { M. Campos-Vallette and M.J. Rodriguez and M.A. Chapanoff and E. Clavijo and J.S. Gomez-Jeria and A.E. Aliaga and G.P. Jara and F. Celis and C. Paipa and P. Leyton},
url = {/brokenurl#<Go to ISI>://WOS:000405111500008},
doi = {10.1002/jrs.5147},
issn = {0377-0486},
year = {2017},
date = {2017-01-01},
journal = {Journal of Raman Spectroscopy},
volume = {48},
number = {7},
pages = {958-965},
publisher = {2017 John Wiley & Sons, Ltd.},
abstract = {Red dyes in seven belts (trariwe) belonging to the Mapuche culture,
dated as beginning of the XXth century and stored in Museo Regional de la Araucania, Chile, were studied by using ultraviolet-visible, liquid chromatography coupled to mass spectrometry, Raman and Surface Enhanced Raman Scattering spectroscopies. Red dyes were extracted and analysed; the spectral analysis allowed identifying that the principal red dye in five samples is highly consistent with a commercial synthetic aniline, the azopigment PR57. Another monoazopigment, an orange benzimidazolone, was identified in two samples. A molecular model for the PR57/Ag surface interaction supports the idea that the dye mainly exposes to the metal the carboxylate and sulphonate groups; the red azopigment is oriented rather tilted with the two aromatic rings being almost coplanar to the surface. The electrostatic interactions are the main factor of the PR57/Ag layer interaction.},
keywords = {colloids, dyes dyes, electrospray-ionization, enhanced fibers, ionization mapuche mass-spectrometry, nanoparticles, natural nylon organic pigments, raman-scattering, red sers, silver spectroscopy synthetic trariwe, works-of-art},
pubstate = {published},
tppubtype = {article}
}

@article{RN81,
title = {Ordered Arrangements of Metal Nanoparticles on Alpha-Cyclodextrin Inclusion Complexes by Magnetron Sputtering},
author = { L. Barrientos-Poblete and P. Allende-Gonz\'{a}lez and C. Orellana and P. Jara},
url = {/brokenurl#<Go to ISI>://WOS:000300180100050},
doi = {10.1016/j.ica.2011.10.032},
issn = {0020-1693},
year = {2012},
date = {2012-01-01},
journal = {Inorganica Chimica Acta},
volume = {380},
pages = {372-377},
publisher = {2011 Elsevier B.V.},
abstract = {An ordered self-assembly of copper, silver and gold nanoparticles onto crystal faces of alpha-cyclodextrin/1-octanethiol and 2 alpha-cyclodextrin/1-octylamine inclusion complexes by means of physical vapor deposition (magnetron sputtering) has been achieved. The preferential deposition on the (001) plane of the supramolecular crystal occurs because the -SH and -NH2 groups from the guest molecules found within the alpha-cyclodextrin protrude into that plane. These functional groups form a two-dimensional hexagonal lattice that interacts with the metal nanoparticles, arranging them in an ordered way.},
keywords = {catalysis, colloids, gold guest host interaction, magnetron metal metal-guest molecules, monolayer, nanoparticles, nanostructures, particles, size, sputtering, stabilization, supramolecular surface},
pubstate = {published},
tppubtype = {article}
}