Resultsaboutfluorescencespectroscopyofnaturaleumelaninarepresentedandcomparedto analogousresultsrelatedtosyntheticeumelanin,withtheaimtoinvestigatethestructuralorganiza- tion ofeumelaninandtheroleoftheproteincoatinitsopticalandstructuralproperties.Thespectraof syntheticandnaturaleumelaninhavesimilaropticalspectra,exceptforthefeaturesrelatedtoproteins in naturaleumelanins.Fluorescenceduetoensemblesoflargeoligomersystemshasbeenspectrally distinguishedfromthatduetomonomersandsmalloligomersystems.Nonetheless,thenatural (protein-containing)eumelaninresultstoconsistofaggregateshavingalargersizethanthatof syntheticeumelanin. & 2011ElsevierB.V.Allrightsreserved
Fluorescence properties of natural eumelanin biopolymer
PERNA, GIUSEPPE;CAPOZZI, VITO GIACOMO
2011-01-01
Abstract
Resultsaboutfluorescencespectroscopyofnaturaleumelaninarepresentedandcomparedto analogousresultsrelatedtosyntheticeumelanin,withtheaimtoinvestigatethestructuralorganiza- tion ofeumelaninandtheroleoftheproteincoatinitsopticalandstructuralproperties.Thespectraof syntheticandnaturaleumelaninhavesimilaropticalspectra,exceptforthefeaturesrelatedtoproteins in naturaleumelanins.Fluorescenceduetoensemblesoflargeoligomersystemshasbeenspectrally distinguishedfromthatduetomonomersandsmalloligomersystems.Nonetheless,thenatural (protein-containing)eumelaninresultstoconsistofaggregateshavingalargersizethanthatof syntheticeumelanin. & 2011ElsevierB.V.AllrightsreservedI documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
