Browsing by Author "Algarra, Manuel"
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- Luminol-doped nanostructured composite materials for chemiluminescent sensing of hydrogen peroxidePublication . Duarte, Abel J.; Rocha, Célia; Silveira, Fernando; Aguilar, Gerardo González; Jorge, Pedro A. S.; Leitão, João Miguel Queirós Magno; Algarra, Manuel; Silva, Joaquim C. G. Esteves daSilica based nanostructured composite materials doped with luminol and cobalt(II) ion were synthesized and characterized, resulting in a highly chemiluminescent material in the presence of hydrogen peroxide. A detection system with the CL light guided from the reaction tube to the photomultiplier tube using a one millimeter glass optical fiber was developed and assessed. A linear response was observed using a semi-logarithm calibration between 50–2000 µM hydrogen peroxide with 1 µM as the limit of detection.