Research Topics
| Ramon A Alvarez-PueblaSummaryAffiliation: University of Vigo Country: Spain Publications
| Collaborators
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Detail Information
Publications
SERS assisted ultra-fast peptidic screening: a new tool for drug discoveryRolando Perez-Pineiro
National Institute for Nanotechnology, National Research Council, 11421 Saskatchewan Drive, Edmonton, AB, Canada
Nanoscale 4:113-6. 2012....
Traps and cages for universal SERS detectionRamon A Alvarez-Puebla
Departamento de Quimica Fisica and Unidad Asociada CSIC Universidade de Vigo, 36310, Vigo, Spain
Chem Soc Rev 41:43-51. 2012....
Gold nanorods 3D-supercrystals as surface enhanced Raman scattering spectroscopy substrates for the rapid detection of scrambled prionsRamon A Alvarez-Puebla
Departamento de Química Física and Unidad Asociada Consejo Superior de Investigaciones Cientificas Universidade de Vigo, 36310 Vigo, Spain
Proc Natl Acad Sci U S A 108:8157-61. 2011....
SERS-based diagnosis and biodetectionRamon A Alvarez-Puebla
Departamento de Quimica Fisica and Unidad Asociada CSIC Universidade de Vigo 36310 Vigo, Spain
Small 6:604-10. 2010....
Design of SERS-encoded, submicron, hollow particles through confined growth of encapsulated metal nanoparticlesMarcos Sanles-Sobrido
Departamento de Quimica Fisica and Unidad Asociada CSIC, Universidade de Vigo, 36310 Vigo, Spain
J Am Chem Soc 131:2699-705. 2009....
Spiked gold beads as substrates for single-particle SERSPaula Aldeanueva-Potel
Departamento de Quimica Fisica, Universidade de Vigo, 36310 Vigo, Spain
Chemphyschem 13:2561-5. 2012..Such films provide a high level of portability and easiness of use for "in-field" optical ultrasensitive analysis...
Plasmonic nanosensors with inverse sensitivity by means of enzyme-guided crystal growthLaura Rodríguez-Lorenzo
Departamento de Quimica Fisica, Universidade de Vigo, 36310 Vigo, Spain
Nat Mater 11:604-7. 2012..We demonstrate the outstanding sensitivity and robustness of this approach by detecting the cancer biomarker prostate-specific antigen down to 10(-18) g ml(-1) (4 × 10(-20) M) in whole serum...
Intracellular mapping with SERS-encoded gold nanostarsLaura Rodríguez-Lorenzo
Departamento de Quimica Fisica and Unidad Asociada CSIC Universidade de Vigo, 36310 Vigo, Spain
Integr Biol (Camb) 3:922-6. 2011..These particles are colloidally stable, fully biocompatible and can be internalized into living cells for intracellular imaging...
Label-free SERS detection of relevant bioanalytes on silver-coated carbon nanotubes: The case of cocaineMarcos Sanles-Sobrido
Departamento de Quimica Fisica and Unidad Asociada CSIC, Universidade de Vigo, 36310 Vigo, Spain
Nanoscale 1:153-8. 2009..The use of discrete particles (CNT@Ag@mAb) rather than rough films, or other conventional SERS supports, will also enable a safe remote interrogation of highly toxic sources in environmental problems or in biological fluids...
Surface-enhanced Raman scattering biomedical applications of plasmonic colloidal particlesSara Abalde-Cela
Departamento de Quimica Fisica and Unidad Asociada CSIC, Universidade de Vigo, 36310 Vigo, Spain
J R Soc Interface 7:S435-50. 2010....
Highly controlled silica coating of PEG-capped metal nanoparticles and preparation of SERS-encoded particlesCristina Fernández-López
Departamento de Quimica Fisica and Unidad Asociada CSIC Universidade de Vigo, 36310 Vigo, Spain
Langmuir 25:13894-9. 2009....
Controlled assembly of plasmonic colloidal nanoparticle clustersJosé M Romo-Herrera
Departamento de Quimica Fisica and Unidad Asociada CSIC, Universidade de Vigo, 36310, Vigo, Spain
Nanoscale 3:1304-15. 2011..We point out the important role of separation methods to obtain colloidal clusters in high yield. A special encouragement to explore assembly of anisotropic building blocks is pursued...
SERS-active Ag/Au bimetallic nanoalloys on Si/SiO(x)Ramon A Alvarez-Puebla
National Institute for Nanotechnology, National Research Council, University of Alberta, 11421 Saskatchewan Drive Edmonton, Alberta T6G 2M9, Canada
J Colloid Interface Sci 333:237-41. 2009..The mechanism and kinetic of the nanoalloy formation and its optical properties were studied by SEM, XPS, SPR, and SERS...
The effect of surface roughness on the plasmonic response of individual sub-micron gold spheresJessica Rodríguez-Fernández
Departamento de Quimica Fisica and Unidad Asociada CSIC Universidade de Vigo, 36310 Vigo, Spain
Phys Chem Chem Phys 11:5909-14. 2009..Additionally, rougher spheres display a higher SERS activity, which demonstrates the crucial role of nanoscale surface texturing on the plasmonic response of gold particles...
Loading of exponentially grown LBL films with silver nanoparticles and their application to generalized SERS detectionSara Abalde-Cela
Departamento de Quimica Fisica and Unidad Asociada CSIC Universidade de Vigo, 36310 Vigo, Spain
Angew Chem Int Ed Engl 48:5326-9. 2009..They can sequestrate molecular systems from solution as a function of the composition of their layers, while providing intense surface-enhanced Raman scattering (SERS) signals (see picture)...
Tuning size and sensing properties in colloidal gold nanostarsSilvia Barbosa
Departamento de Quimica Fisica and Unidad Asociada CSIC Universidade de Vigo, 36310 Vigo, Spain
Langmuir 26:14943-50. 2010..Additionally, the sensitivity toward changes in the local refractive index was found to increase for larger nanostars, though lower figure of merit (FOM) values were obtained because of the larger polydispersity...
Multifunctional microgel magnetic/optical traps for SERS ultradetectionRafael Contreras-Cáceres
Departamento de Química Física, and Unidad Asociada CSIC Universidade de Vigo, 36310, Vigo, Spain
Langmuir 27:4520-5. 2011..Proof of concept for the sequestration of uncommon molecular systems is demonstrated through the first SERS analysis of pentachlorophenol (PCP), a chlorinated ubiquitous environmental pollutant...
Chemically stable silver nanoparticle-crosslinked polymer microspheresAbdiaziz A Farah
National Institute for Nanotechnology, National Research Council, 11421 Saskatchewan Drive, Edmonton, AB, Canada T6G 2M9
J Colloid Interface Sci 319:572-6. 2008..The resulting microspheres were characterized by Raman, SERS and XPS spectroscopies, DSC, SEM and TEM. Their chemical and physical stability was also established...
Zeptomol detection through controlled ultrasensitive surface-enhanced Raman scatteringLaura Rodríguez-Lorenzo
Departamento de Quimica Fisica and Unidad Asociada CSIC Universidade de Vigo, Vigo, Spain
J Am Chem Soc 131:4616-8. 2009..This unprecedented control over light-intensity amplification opens a new avenue toward high-yield, fully reproducible, SERS-based, zeptomol detection and holds promise for nonlinear optics applications at the single-particle level...
SERS chiral recognition and quantification of enantiomers through cyclodextrin supramolecular complexationSara Abalde-Cela
Departamento de Quimica Fisica and Unidad Asociada CSIC, Universidade de Vigo, 36310 Vigo, Spain
Chemphyschem 12:1529-35. 2011....
Multiplex optical sensing with surface-enhanced Raman scattering: a critical reviewLaura Rodríguez-Lorenzo
Departamento de Quimica Fisica, Universidade de Vigo, Spain
Anal Chim Acta 745:10-23. 2012..Here we review the late advances in multiplex SERS including the direct methods, those aided by the surface functionalization of the plasmonic nanoparticles and the use of SERS encoded particles...
Quantitative surface-enhanced Raman scattering ultradetection of atomic inorganic ions: the case of chlorideDionysia Tsoutsi
Departamento de Química Física, and Unidad Asociada CSIC, Universidade de Vigo, 36310, Vigo, Spain
ACS Nano 5:7539-46. 2011..Additionally, the use of discrete particles rather than rough films, or other conventional SERS supports, will also enable a safe remote interrogation of highly toxic sources in environmental problems or biological fluids...
