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Blue-light therapy (460 nm - 490 nm) is the most common treatment of jaundice in newborns. However, the efficiency of this treatment is dependent of two factors: (1) the spectrum of light source and (2) the delivered dose to the neonates. This work presents the development of a low-cost, flexible, good performance and an easy detector operation based on organic materials for evaluation of radiation dose delivered by the phototherapy units to jaundice newborns. The operation principles of the device is based on the optical response of poly [2-methoxy-5-(2’-ethylhexyloxy)-pphenylene - MEH-PPV, tris (8-hydroxyquinolinato aluminum)-Alq 3 and polystyrene-PS thin films under the effects of blue-light. It is observed that the optical response of the PS/MEH-PPV/Alq 3 films changes from red to yellow, and then to green with the radiation exposure. It is attributed to the photodegradation process of MEH-PPV and also to the spectral overlap between the photoemission of Alq 3 and the absorption of MEH-PPV. The optical response of PS/MEH-PPV/Alq 3 films was used to develop a novel organic flexible and low cost (

FABRICAÇÃO DE SENSOR ORGÂNICO FLEXÍVEL PARA APLICAÇÃO EM TERAPIA COM LUZ AZUL