Slight pH Fluctuations in the Gold Nanoparticle Synthesis Process Influence the Performance of the Citrate Reduction Method. - Braulio Contreras-Trigo; Víctor Díaz-García; Enrique Guzmán-Gutierrez; Ignacio Sanhueza; Pablo Coelho; Sebastián E. Godoy; Sergio N. Torres; Patricio Oyarzún (Sensors, 2018)