A new visible light-sensitive, oxygen-tolerant photoinitiator system for the synthesis of polyacrylamide gels by maskless photopolymerization

A new bis(2,2’-bypiridine)(1,10-phenanthroline)ruthenium(II) chloride–sodium bromate–malonic acid system has been developed for visible light-initiated polymerization of acrylamide. Its application allows the use of digital maskless photolithography to create 2D figures from polyacrylamide gel and their ansamblies. The system was used to create a chemical logic element ‘AND’.