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(11)

EP 2 671 073 A1

(12)

(43) Date of publication: 11.12.2013 Bulletin 2013/50 (21) Application number: 12707918.4 (22) Date of filing: 03.02.2012

(51) International Patent Classification (IPC):  G01N 29/04(2006.01) G01N 29/22(2006.01) (86) International application number: PCT/IB2012/050519 (87) International publication number: WO 2012/104825 (09.08.2012 Gazette 2012/32)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 03.02.2011 IT TO20110089 (71) Applicant: Politecnico Di Torino 10129 Torino (IT)	(72) Inventors: DE GIORGI, Claudia I-10128 Torino (IT) ASTOLFI, Arianna I-10124 Torino (IT) BUIATTI, Eleonora I-10024 Moncalieri (IT) LERMA, Beatrice I-14100 Asti (IT) ARATO, Francesca I-10020 Pecetto Torinese (IT) DAL PALU', Doriana I-10090 Villarbasse (IT) (74) Representative: Franzolin, Luigi et al Studio Torta S.p.A. Via Viotti, 9 10121 Torino 10121 Torino (IT)