http://www.cnr.it/ontology/cnr/individuo/prodotto/ID280765
Reproducible surface-enhanced raman quantification of biomarkers in multicomponent mixtures (Articolo in rivista)
- Type
- Label
- Reproducible surface-enhanced raman quantification of biomarkers in multicomponent mixtures (Articolo in rivista) (literal)
- Anno
- 2014-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1021/nn406200y (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- De Luca A.C.; Reader-Harris P.; Mazilu M.; Mariggio S.; Corda D.; Di Falco A. (literal)
- Pagina inizio
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://www.scopus.com/inward/record.url?eid=2-s2.0-84896903846&partnerID=q2rCbXpz (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
- Note
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Institute of Protein Biochemistry, National Research Council, Via P. Castellino 111, 80131 Naples, Italy; SUPA, School of Physics and Astronomy, University of St. Andrews, North Haugh, KY16 9SS St.Andrews, United Kingdom (literal)
- Titolo
- Reproducible surface-enhanced raman quantification of biomarkers in multicomponent mixtures (literal)
- Abstract
- Direct and quantitative detection of unlabeled glycerophosphoinositol (GroPIns), an abundant cytosolic phosphoinositide derivative, would allow rapid evaluation of several malignant cell transformations. Here we report label-free analysis of GroPIns via surface-enhanced Raman spectroscopy (SERS) with a sensitivity of 200 nM, well below its apparent concentration in cells. Crucially, our SERS substrates, based on lithographically defined gold nanofeatures, can be used to predict accurately the GroPIns concentration even in multicomponent mixtures, avoiding the preliminary separation of individual compounds. Our results represent a critical step toward the creation of SERS-based biosensor for rapid, label-free, and reproducible detection of specific molecules, overcoming limits of current experimental methods. © 2014 American Chemical Society. (literal)
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