(19)

(11)

EP 2 926 120 A1

(12)

(43) Date of publication: 07.10.2015 Bulletin 2015/41 (21) Application number: 13805702.1 (22) Date of filing: 27.11.2013

(51) International Patent Classification (IPC):  G01N 21/65(2006.01) G01J 3/44(2006.01) (86) International application number: PCT/US2013/072391 (87) International publication number: WO 2014/085695 (05.06.2014 Gazette 2014/23)

(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 Designated Extension States: BA ME (30) Priority: 28.11.2012 US 201261730792 P (71) Applicant: Trustees Of Princeton University Princeton, NJ 08544-0036 (US)	(72) Inventor: DOGARIU, Arthur Hamilton, NJ 08619 (US) (74) Representative: Roberts, Mark Peter  J A Kemp 14 South Square Gray's Inn London WC1R 5JJ London WC1R 5JJ (GB)