Search Results - "Aroca, R F"

Surface-enhanced Raman scattering on colloidal nanostructures by Aroca, R.F., Alvarez-Puebla, R.A., Pieczonka, N., Sanchez-Cortez, S., Garcia-Ramos, J.V.

“…Surface-enhanced Raman scattering combines extremely high sensitivity, due to enhanced Raman cross-sections comparable or even better than fluorescence, with…”
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SERRS for Single-Molecule Detection of Dye-Labeled Phospholipids in Langmuir−Blodgett Monolayers by Pieczonka, N. P. W, Moula, G, Aroca, R. F

“…The coupling of molecular excitations to localized surface plasmon resonances (LSPR) in silver or gold nanostructures is at the center of single-molecule…”
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Surface-enhanced Raman scattering for ultrasensitive chemical analysis of 1 and 2-naphthalenethiols by Alvarez-Puebla, R A, Dos Santos Júnior, D S, Aroca, R F

“…The results of the search for the optimal experimental conditions for ultrasentitive chemical analysis of 1-naphthalenethiol (1-NAT) and 2-naphthalenethiol…”
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Portable smart films for ultrasensitive detection and chemical analysis using SERS and SERRS by Cabrera, F. C., Aoki, P. H. B., Aroca, R. F., Constantino, C. J. L., dos Santos, D. S., Job, A. E.

“…Metallic nanostructures, much smaller than the wavelength of visible light, which support localized surface plasmon resonances, are central to the giant signal…”
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Molecular and Morphological Characterization of Bis Benzimidazo Perylene Films and Surface-Enhanced Phenomena by Volpati, D, Job, A. E, Aroca, R. F, Constantino, C. J. L

“…Thin solid films of bis benzimidazo perylene (AzoPTCD) were fabricated using physical vapor deposition (PVD) technique. Thermal stability and integrity of the…”
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Nanostructured hybrid films containing nanophosphor: Fabrication and electronic spectral properties by Camacho, S.A., Aoki, P.H.B., Constantino, C.J.L., Aroca, R.F., Pires, A.M.

“…► Hybrid film containing the cationic polyelectrolyte PAH and Y2O3: Er, Yb nanophosphor. ► LbL film growth was monitored by absorbance x concentration in…”
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Characterization of bacteria using its O-antigen with surface-enhanced Raman scattering by Osorio-Román, I O, Aroca, R F, Astudillo, J, Matsuhiro, B, Vásquez, C, Pérez, J M

“…The O-antigen determines the specificity of bacterial serotype, a sort of bacterial fingerprinting. In this work we report the extraction, purification and…”
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Characterisation of the matrix polymer morphology of polyolefins foams by Raman spectroscopy by Rodríguez-Pérez, M.A., Campo-Arnáiz, R.A., Aroca, R.F., de Saja, J.A.

“…The spatial resolution provided by micro-Raman spectroscopy is used to probe the morphology of the polymer matrix in a series of closed cell cross-linked…”
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Langmuir and Langmuir−Blodgett Films of Perylene Tetracarboxylic Derivatives with Varying Alkyl Chain Length:  Film Packing and Surface-Enhanced Fluorescence Studies by Antunes, P. A, Constantino, C. J. L, Aroca, R. F, Duff, J

“…The synthesis, film-packing properties in Langmuir and Langmuir−Blodgett (LB) films, and surface-enhanced fluorescence (SEF) of a new family of perylene…”
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Surface-Enhanced Raman Scattering:  Imaging and Mapping of Langmuir−Blodgett Monolayers Physically Adsorbed onto Silver Island Films by Aroca, R. F, Constantino, C. J. L

“…The point-by-point mapping of the surface-enhanced resonance Raman scattering (SERRS) and surface-enhanced Raman scattering (SERS) spectra obtained from…”
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Ultrafast dynamics of bis (n-butylimido) perylene thin films excited by two-photon absorption by Mendonca, C. R., Kandyla, M., Shih, T., Aroca, R. F., Constantino, C. J. L., Mazur, E.

“…We report a pump-probe study of the two-photon induced reflectivity changes in bis ( n -butylimido) perylene thin films. To enhance the two-photon excitation…”
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Preparation, characterization and taste sensing properties of Langmuir–Blodgett Films from mixtures of polyaniline and a ruthenium complex by Ferreira, M., Constantino, C.J.L., Riul, A., Wohnrath, K., Aroca, R.F., Giacometti, J.A., Oliveira, O.N., Mattoso, L.H.C.

“…Langmuir–Blodgett (LB) films from a ruthenium complex, mer-[RuCl 3(dppb)(py)] (dppb=PPh 2(CH 2) 4PPh 2; py=pyridine) (Rupy), and from mixtures with varied…”
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Increasing the Enhancement Factor in Plasmon-Enhanced Fluorescence with Shell-Isolated Nanoparticles by Camacho, S. A, Aoki, P. H. B, Albella, P, Oliveira, Osvaldo N, Constantino, C. J. L, Aroca, R. F

“…Three central experimental variables are looked at to increase the observed enhancement factor in plasmon-enhanced fluorescence: nanoparticle size,…”
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Surface-Enhanced Raman Spectra of Phthalimide. Interpretation of the SERS Spectra of the Surface Complex Formed on Silver Islands and Colloids by Aroca, R. F, Clavijo, R. E, Halls, M. D, Schlegel, H. B

“…The surface-enhanced Raman scattering (SERS) spectra for phthalimide (PIMH) vacuum evaporated, cast onto silver island films, and from colloidal silver are…”
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Plasmonics and single-molecule detection in evaporated silver-island films by Moula, G., Rodriguez-Oliveros, R., Albella, P., Sanchez-Gil, J.A., Aroca, R.F.

“…The plasmonic origin of surface‐enhanced Raman scattering (SERS) leads to the concept of hotspots and plasmon coupling that can be realized in the interstitial…”
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Retention of cobalt on a humin derived from brown coal by Alvarez-Puebla, R.A., Aroca, R.F., Valenzuela-Calahorro, C., Garrido, J.J.

“…In this work, the retention of cobalt on a humin (HU) derived from a brown coal is studied. Through a systematic and coordinated investigation of the behavior…”
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Chemical adsorption of salicylate on silver - A systematic approach to the interpretation of surface-enhanced vibrational spectra by Goulet, P J.G, Aroca, R F

“…In this work, surface-enhanced vibrational spectroscopy and normal vibrational spectroscopy as well as density functional theory (DFT) computational methods…”
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Molecularly Organized Langmuir−Blodgett Films from a Ruthenium Biphosphine Complex by Wohnrath, K, Constantino, C. J. L, Antunes, P. A, dos Santos, P. M, Batista, A. A, Aroca, R. F, Oliveira, O. N

“…Langmuir−Blodgett (LB) films from a ruthenium complex mer-[RuCl3 (dppb)(4-Mepy)] (dppb = PPh2 (CH2)4PPh2; 4-Mepy = 4-methylpyridine), termed Ru-Pic, display a…”
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Two-photon absorption in perylene derivatives by De Boni, L, Constantino, C.J.L, Misoguti, L, Aroca, R.F, Zilio, S.C, Mendonça, C.R

“…This work reports on the two-photon absorption (2PA) cross-section for bis ( n-butylimido) perylene (BuPTCD), bis (benzimidazo) perylene (AzoPTCD), bis…”
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Electrochemical Characterization of Two Perylenetetracarboxylic Diimides:  Langmuir−Blodgett Films and Carbon Paste Electrodes by Parra, V, Del Caño, T, Rodríguez-Méndez, M. L, de Saja, J. A, Aroca, R. F

“…The cyclic voltammograms (CV) of N,N‘-bis(propyl)-3,4,9,10-perylenebis(dicarboximide) [PTCDIPr] and…”
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