Modification-free photocontrol of b-lactam conversion with spatiotemporal resolution. [2012] Title Modification-free photocontrol of b-lactam conversion with spatiotemporal resolution.ACS Synth. Biol. 1, 526-531. Author Anna Venancio-Marques, Yan-Jun Liu, Antoine Diguet, Thomas di Maio, Arnaud Gautier, and Damien Baigl Related Products and Services PUREfrex®