Patent ID: 8263018

Claim:
A sensor device for detecting the presence or absence of a target molecule or substance, comprising a holder and a detecting molecule being held in place by said holder and being accessible to said target molecule or substance, said detecting molecule comprising a chemically conjugated system of at least 6 conjugated double bonds and a backbone structure of a formula selected from the group consisting of: wherein R is a substituent independently selected from the group consisting of H, C(O)R, COOR, BR 2 , SiR 3 , GeR 3 , NR 2 , PR 2 , P(O)R 2 , OR, SR, SeR, alkyl, unsaturated alkyl, heteroalkyl, cycloalkyl, heterocycloalkyl, aryl, and heteroaryl and X is a substituent independently selected from the group consisting of C(O)R, COOR, BR 2 , SiR 3 , GeR 3 , NX 2 , PR 2 , P(O)R 2 , OX, SR, SeR, alkyl, unsaturated alkyl, heteroalkyl, cycloalkyl, heterocycloalkyl, aryl, and heteroaryl wherein said X, alkyl, unsaturated alkyl, heteroalkyl, cycloalkyl, heterocycloalkyl, aryl, and heteroaryl are independently either substituted or unsubstituted and contain more than 4 carbon atoms.