Sidnei Gonçalves da Silva is an Associate Professor of Analytical Chemistry at the Federal University of Uberlândia (UFU), Brazil, where he coordinates the SMART Laboratory. He earned his BSc in Chemistry from the University of Mogi das Cruzes (2004) and his MSc in Analytical Chemistry (2008) and PhD in Sciences (2011) from the University of São Paulo. He conducted postdoctoral research at the Federal University of São Carlos and Wake Forest University, USA. His research focuses on smart analytical chemistry, affordable optical and multispectral sensors, portable instrumentation, paper-based analytical devices, microfluidics, and automated measurement systems. He develops microcontroller-based and Internet of Analytical Things (IoAT) platforms for decentralized analyses, with applications in environmental monitoring, food quality control, and forensic chemistry.