Colorimetric sensors constructed of diacetylene materials

Colorimetric for detecting an analyte, comprising sensor: (Omitted) a receiver and and a polymerized composition comprising at least one compound of formula: wherein R 1 comprises (Omitted) R 2 comprises (Omitted) R 3, R 8, R 13, R 21, R 24, R 31 and R 33 are independently alkyl C 1-C 20; R 4, R 5, R 7, R 14, R 16, R 19, R 20, R 22, R 25 and R 32 are independently C1-C14; R 6, R 15, R 18 and R 26 are independently alkylene C 1-C 14 alkenylene C 2-C 8 or arylene C 6-C 13; R 9 is C1-C14 or -NR 34 -; R 10, R 12, R 27 and R 29 are independently C1-C14 or (C1-C14) - (C2-C8 arylene); R 11 and R 28 are independently alkynyl C 2-C 30; R 17 is an activating ester group; R 23 is arylene C 6-C 13; R 30 is C1-C14 or -NR 36 -; R 34 and R 36 are C1-C4 alkyl; p is 1-5; n is 1-20; wherein R 1 and R 2 are not the same; wherein the receptor is incorporated into the polymerized composition to form a transducer and the transducer has a color change when contacted with an analyte.