Solar radiation exposure of dihydrobiopterin and biopterin in aqueous solution Ipiña, Adriana ; Castaño, Carolina ; Dántola, M. Laura ; Thomas, Andrés H. Abstract Publication: Solar Energy Pub Date: November 2014 DOI: 10.1016/j.solener.2014.08.025 Bibcode: 2014SoEn..109...45I