http://www.cnr.it/ontology/cnr/individuo/prodotto/ID167010
Time-resolved fluorescence spectroscopy and imaging of proteinaceous binders used in paintings (Articolo in rivista)
- Type
- Label
- Time-resolved fluorescence spectroscopy and imaging of proteinaceous binders used in paintings (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
- Alternative label
Nevin, A; Comelli, D; Valentini, G; Anglos, D; Burnstock, A; Cather, S; Cubeddu, R (2007)
Time-resolved fluorescence spectroscopy and imaging of proteinaceous binders used in paintings
in Analytical & bioanalytical chemistry (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Nevin, A; Comelli, D; Valentini, G; Anglos, D; Burnstock, A; Cather, S; Cubeddu, R (literal)
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- Rivista
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Fdn Res & Technol Hellas, Inst Elect Struct & Laser, GR-71110 Iraklion, Greece; Univ London, Courtauld Inst Art, London WC2R 0RN, England; Politecn Milan, Ist Nazl Fis Nucl, CNR, ULTRAS,Dipartimento Fis, I-20133 Milan, Italy (literal)
- Titolo
- Time-resolved fluorescence spectroscopy and imaging of proteinaceous binders used in paintings (literal)
- Abstract
- The differentiation of proteins commonly found as binding media in paintings is presented based on spectrally resolved and time-resolved laser-induced fluorescence (LIF) and total emission spectroscopy. Proteins from eggs and animal glue were analysed with pulsed laser excitation at 248 nm (KrF excimer) and 355 nm (third harmonic of Nd:YAG) for spectrally resolved measurements, and at 337 nm (N-2) and 405 nm (N-2 pumped dye laser) for spectrally resolved lifetime measurements and fluorescence lifetime imaging (FLIM). Total emission spectra of binding media are used for the interpretation of LIF spectra. Time-resolved techniques become decisive with excitation at longer wavelengths as fluorescence lifetime permits the discrimination amongst binding media, despite minimal spectral differences; spectrally resolved measurements of fluorescence lifetime have maximum differences between the binding media examined using excitation at 337 nm, with maximum observed fluorescence at 410 nm. FLIM, which measures the average lifetime of the emissions detected, can also differentiate between media, is non-invasive and is potentially advantageous for the analysis of paintings. (literal)
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