A photoluminescence material, copolymer of N-vinylcarbazole (VCz ) and N. N’- bisallyl-3, 4, 9, 10-Perylenetetracarboxyl diimide (APTC) chromophores P(VCz-APTC
[Objective] To prepare recombinant type 1 pilus vaccine of avian Escherichia coli and to detect its immunogenicity in chickens. [Method] The type 1 pilus was re