Figure shows that kp' exhibits a linear relationship with the square-root of the light intensity, as expected from the steady-state approximation, where the one-half power is a result of bimolecular termination in a radical polymerization. The error seen here is attributed primarily to the uncertainty in our measurement of the light intensity, which was difficult to accurately measure outside at the resin's location (see Methods). Nevertheless, the ability to predict kinetic parameters such as rate constants even within a narrow range of light intensities illustrates the utility in using in situ NMR photopolymerization for kinetic measurements. Photopolymerizations frequently involve the use of a variety of different monomeric functional groups such as acrylates, methacrylates, acrylamides, and more. Methacrylates are commonly used as reactive diluents in dental restorative resins while acrylamides are frequently found in biological applications. To evaluate the ability to measure photopolymerization kinetics of industry-relevant materials other than acrylates, we applied this in situ NMR technique to study N,N-dimethylacrylamide (AAm) and isobornyl methacrylate (IBOMA). Figure and show the curing-induced evolution of the spectral regions containing the vinylic protons (5 -7.5 ppm) of AAm and IBOMA, respectively. In the resin state, the AAm resonances displayed a slight up field shift compared to their HA counterparts due to the less electron-withdrawing nitrogen atom in place of oxygen on the acrylic ester. IBOMA, on the other hand, showed only two singlets corresponding to a single proton on each of the two sp 2 -hybridized doublebond carbons. As the polymerization proceeded and monomer was consumed, the peaks associated with the double bond exhibited the expected area decrease, broadening, and up-field shift observed previously in the HA system.