Francisco Pena-Pereira

Suggest Changes
Learn More
A novel, simple and low cost method for the determination of nitrite using headspace single-drop microextraction and cuvetteless ultraviolet-visible micro-spectrophotometry is described. A Griess(More)
In this work, hybrid silica-based materials with immobilized ionic liquids (ILs) were prepared by sol-gel technology and evaluated as solid-phase microextraction (SPME) fiber coatings. High loadings(More)
Following a preliminary work (Costas-Mora, I.; Romero, V.; Pena-Pereira, F.; Lavilla, I.; Bendicho, C. Anal. Chem.2011, 83, 2388-2393), a quenching mechanism has been established for the selective(More)