Tags

Type your tag names separated by a space and hit enter

Study of Langmuir-Blodgett phospholipidic films deposited on surface enhanced Raman scattering active gold nanoparticle monolayers.
Biopolymers. 2002; 67(4-5):314-8.B

Abstract

Surface enhanced Raman scattering (SERS) was used to study phospholipid monolayers transferred by the Langmuir-Blodgett (LB) technique to SERS active substrates. These substrates, which were constituted of gold colloidal nanoparticles bound to polysilane films grafted onto glass plates, showed a uniform and homogeneous layer with strong interacting particles as revealed from UV-visible extinction spectra and atomic force microscopy images. Laser excitation at 632.8 nm within the red part of the localized surface plasmon resonance leads to intense and reproducible SERS spectra of trans-1,2-bis(4-pyridyl)ethylene (BPE). From SERS measurements at different pHs it was possible to determine the apparent pK(a) of BPE adsorbed on gold-coated silanized substrates in the absence and presence of one LB monomolecular layer of phospholipids. These SERS titrations allowed the estimation of the pH at the metal-LB film interface.

Authors+Show Affiliations

Objets Complexes et Interfaces d'Intérêt Biologique, FRE CNRS 2303, Université René Descartes-Paris 5, 45 Rue des Saints-Pères, 75 270 Paris Cedex 06, France. Sophie.Bernard@biomedicale.univ-paris5.frNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

12012456

Citation

Bernard, S, et al. "Study of Langmuir-Blodgett Phospholipidic Films Deposited On Surface Enhanced Raman Scattering Active Gold Nanoparticle Monolayers." Biopolymers, vol. 67, no. 4-5, 2002, pp. 314-8.
Bernard S, Felidj N, Truong S, et al. Study of Langmuir-Blodgett phospholipidic films deposited on surface enhanced Raman scattering active gold nanoparticle monolayers. Biopolymers. 2002;67(4-5):314-8.
Bernard, S., Felidj, N., Truong, S., Peretti, P., Lévi, G., & Aubard, J. (2002). Study of Langmuir-Blodgett phospholipidic films deposited on surface enhanced Raman scattering active gold nanoparticle monolayers. Biopolymers, 67(4-5), 314-8.
Bernard S, et al. Study of Langmuir-Blodgett Phospholipidic Films Deposited On Surface Enhanced Raman Scattering Active Gold Nanoparticle Monolayers. Biopolymers. 2002;67(4-5):314-8. PubMed PMID: 12012456.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Study of Langmuir-Blodgett phospholipidic films deposited on surface enhanced Raman scattering active gold nanoparticle monolayers. AU - Bernard,S, AU - Felidj,N, AU - Truong,S, AU - Peretti,P, AU - Lévi,G, AU - Aubard,J, PY - 2002/5/16/pubmed PY - 2002/6/27/medline PY - 2002/5/16/entrez SP - 314 EP - 8 JF - Biopolymers JO - Biopolymers VL - 67 IS - 4-5 N2 - Surface enhanced Raman scattering (SERS) was used to study phospholipid monolayers transferred by the Langmuir-Blodgett (LB) technique to SERS active substrates. These substrates, which were constituted of gold colloidal nanoparticles bound to polysilane films grafted onto glass plates, showed a uniform and homogeneous layer with strong interacting particles as revealed from UV-visible extinction spectra and atomic force microscopy images. Laser excitation at 632.8 nm within the red part of the localized surface plasmon resonance leads to intense and reproducible SERS spectra of trans-1,2-bis(4-pyridyl)ethylene (BPE). From SERS measurements at different pHs it was possible to determine the apparent pK(a) of BPE adsorbed on gold-coated silanized substrates in the absence and presence of one LB monomolecular layer of phospholipids. These SERS titrations allowed the estimation of the pH at the metal-LB film interface. SN - 0006-3525 UR - https://www.unboundmedicine.com/medline/citation/12012456/Study_of_Langmuir_Blodgett_phospholipidic_films_deposited_on_surface_enhanced_Raman_scattering_active_gold_nanoparticle_monolayers_ L2 - https://doi.org/10.1002/bip.10086 DB - PRIME DP - Unbound Medicine ER -