Search Results - "Astilean, S"

IR780-dye loaded gold nanoparticles as new near infrared activatable nanotheranostic agents for simultaneous photodynamic and photothermal therapy and intracellular tracking by surface enhanced resonant Raman scattering imaging by Nagy-Simon, T., Potara, M., Craciun, A.-M., Licarete, E., Astilean, S.

“…[Display omitted] Due to the good transparency of the human tissue in the biological spectral window, near-infrared (NIR)-dye loaded nanosystems enable more…”
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Localized surface plasmon resonance (LSPR) and surface-enhanced Raman scattering (SERS) studies of 4-aminothiophenol adsorption on gold nanorods by Gabudean, A.M., Biro, D., Astilean, S.

“…In the present work, we study the adsorption of p-aminothiophenol (p-ATP) on gold nanorods (GNRs) using localized surface plasmon resonance (LSPR) and…”
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Negative index optical chiral metamaterial based on asymmetric hexagonal arrays of metallic triangular nanoprisms by Giloan, M., Astilean, S.

“…Nanostructures made of two layers of metallic triangular nanoprisms arranged in hexagonal lattice separated by a dielectric layer are theoretically analyzed as…”
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Flexible and Tunable 3D Gold Nanocups Platform as Plasmonic Biosensor for Specific Dual LSPR-SERS Immuno-Detection by Focsan, M., Craciun, A. M., Potara, M., Leordean, C., Vulpoi, A., Maniu, D., Astilean, S.

“…Early medical diagnostic in nanomedicine requires the implementation of innovative nanosensors with highly sensitive, selective, and reliable biomarker…”
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Gold Films Deposited over Regular Arrays of Polystyrene Nanospheres as Highly Effective SERS Substrates from Visible to NIR by Baia, L, Baia, M, Popp, J, Astilean, S

“…Gold nanostructured films of various thicknesses (15, 30, and 60 nm) are deposited over regular arrays of polystyrene nanospheres in an attempt to evaluate…”
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Study of protein–gold nanoparticle conjugates by fluorescence and surface-enhanced Raman scattering by Iosin, M., Toderas, F., Baldeck, P.L., Astilean, S.

“…We investigate the direct interaction between bovine serum albumin (BSA) protein and the surface of gold nanoparticles (GNPs) of different shapes (nanospheres…”
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Disentangling SERS signals from two molecular species: A new evidence for the production of p,p′-dimercaptoazobenzene by catalytic coupling reaction of p-aminothiophenol on metallic nanostructures by Canpean, V., Iosin, M., Astilean, S.

“…[Display omitted] . ► Non-identical temporal behavior of p-ATP and DMAB as revealed by auto-correlation analysis. ► Non-identical spatial distribution of p-ATP…”
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Enhanced thermal stability of gelatin coated gold nanorods in water solution by Canpean, V., Gabudean, A.M., Astilean, S.

“…[Display omitted] •We address the temperature effect on the optical properties of gold nanorods.•Increasing temperature alters the optical response of gold…”
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Temperature effect on the SERS signature of p-aminothiophenol: A new evidence for the production of p,p’-dimercaptoazobenzene on metallic nanostructures by Canpean, V., Astilean, S.

“…[Display omitted] ► We address the effect of substrate temperature on the SERS of p-aminothiophenol. ► Increasing temperature improves the generation of a new…”
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Understanding plasmon resonances of metal-coated colloidal crystal monolayers by Farcau, C., Giloan, M., Vinteler, E., Astilean, S.

“…Metal films deposited over two-dimensional colloidal crystals (MFoCC) constitute a low-cost periodic structure with interesting photonic and plasmonic…”
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Hybrid plasmonic platforms based on silica-encapsulated gold nanorods as effective spectroscopic enhancers for Raman and fluorescence spectroscopy by Gabudean, A M, Biro, D, Astilean, S

“…Surface-enhanced Raman scattering (SERS) nano-tags are of increasing interest in biomedical research as viable alternatives to bio-imaging techniques based on…”
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Light transmission through metallic channels much smaller than the wavelength by Astilean, S, Lalanne, Ph, Palamaru, M

“…A resonant cavity-enhanced light transmission mechanism in metallic gratings with subwavelength apertures is theoretically interpreted for operation with…”
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Probing the enhancement mechanisms of SERS with p-aminothiophenol molecules adsorbed on self-assembled gold colloidal nanoparticles by Baia, M., Toderas, F., Baia, L., Popp, J., Astilean, S.

“…Gold colloidal nanoparticles were immobilized upon a glass substrate and their morphology and optical properties are analyzed with TEM and UV–Vis absorption…”
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Polarization-Sensitive Linear Plasmonic Nanostructures via Colloidal Lithography with Uniaxial Colloidal Arrays by Saracut, V, Giloan, M, Gabor, M, Astilean, S, Farcau, C

“…The ability of metallic nanostructures to support surface plasmon excitations is widely exploited nowadays for developing new technologies and applications in…”
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Designing polarization insensitive negative index metamaterial for operation in near infrared by Giloan, M., Astilean, S.

“…Hexagonal arrays of gold nanoelements with C3 symmetry are studied as a metamaterial slab of reduced anisotropy. Tri-dimensional (3D) finite-difference time…”
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Gold nanostructured films deposited on polystyrene colloidal crystal templates for surface-enhanced Raman spectroscopy by Baia, M., Baia, L., Astilean, S.

“…Scanning electron microscopy in combination with transmission and reflectivity spectroscopy have been employed to characterize the structural, morphological…”
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Surface-Enhanced Raman Scattering (SERS) Analysis of Urea Trace in Urine, Fingerprint, and Tear Samples by Leordean, C., Canpean, V., Astilean, S.

“…The detection of molecular biomarkers of various diseases in biologic fluids is of paramount interest in the field of biomedicine. In this work we demonstrate…”
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Extending nanosphere lithography for the fabrication of periodic arrays of subwavelength metallic nanoholes by Canpean, V., Astilean, S.

“…In this work we extend the classical nanosphere lithography method to the fabrication of subwavelength metallic nanohole arrays. By combining the reactive ion…”
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S-acetyl-calix[8]arene adsorption on polycrystalline Au surface: A kinetic study by Killyeni, A., Nicoara, A., Canpean, V., Kun, A., Astilean, S., Popescu, I.C.

“…Cyclic voltammetry (CV), Raman spectroscopy (RS), quartz crystal microbalance (QCMB) and electrochemical impedance spectroscopy (EIS) measurements were carried…”
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Bridging biomolecules with nanoparticles: surface-enhanced Raman scattering from colon carcinoma and normal tissue by Pînzaru, S. Cîntă, Andronie, L. M., Domsa, I., Cozar, O., Astilean, S.

“…In order to get insight into the chemical heterogeneities of solid tumors, here we report the first surface‐enhanced Raman scattering (SERS) experiment from…”
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