“…A biosensor based on gas phase monitoring was designed to measure the hydrogen peroxide concentrations in Modrzejewska, Guwy, Dinsdale, and Hawkes (2007). It is worth to mention also a specific continuous monitoring of hydrogen peroxide formed in situ was proposed by Oh, Kim, Kang, Oh, and Kang (2005), or a model-free learning control to deal with the chemical characteristic variations with time is given by Syafiie, Tadeo, Martinez, and Alvarez (2011).…”