1. Spectrometry, Sample Preparation and Mechanization Group - GEPAM, Institute of Chemistry, University of Campinas – Unicamp, P.O. Box 6154, Campinas, SP, 13083-970, Brazil
2. Laboratory of Functional Materials – LMF, Institute of Chemistry, University of Campinas – Unicamp, P.O. Box 6154, Campinas, SP, 13083-970, Brazil
3. National Institute of Science and Technology for Bioanalytics, Institute of Chemistry, University of Campinas – Unicamp, P.O. Box 6154, Campinas, SP, 13083-970, Brazil