(19)

(11)

EP 2 633 287 A1

(12)

(43) Date of publication: 04.09.2013 Bulletin 2013/36 (21) Application number: 11837177.2 (22) Date of filing: 28.10.2011

(51) International Patent Classification (IPC):  G01N 21/35(2006.01) G01N 21/31(2006.01) (86) International application number: PCT/US2011/058333 (87) International publication number: WO 2012/058567 (03.05.2012 Gazette 2012/18)

(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: 29.10.2010 US 408408 P (71) Applicant: New Jersey Institute of Technology Newark, NJ 07102-1982 (US)	(72) Inventor: FEDERICI, John, Francis Westfield NJ 07090 (US) (74) Representative: Pfenning, Meinig & Partner GbR  Patent- und Rechtsanwälte Joachimstaler Strasse 12 10719 Berlin 10719 Berlin (DE)