A major obstacle that teachers face when they begin their spectroscopy lessons is the lack of
a spectrophotometer, mostly due to its relatively high cost. In the present study, the …

A presente pesquisa de mestrado busca investigar quais Mediações (Psicofísica, Social,
Cultural e/ou Hipercultural) facilitam o desenvolvimento de imagens mentais pelos …

This work presents the design of a portable and compact low-cost electronic prototype for
detecting Cd 2+ in matrices associated with cocoa crops. It is based on a C12882AM solid …

The Covid-19 pandemic has precipitated the digital transformation in education worldwide
and has exposed weaknesses and limitations in laboratory and experimental activities …

Instrument calibration is a critical but time-consuming process in many scientific fields. In this
paper, we present an approach using recurrent neural networks (RNNs) for automatically …

Abstract Laser-Induced Breakdown Spectroscopy (LIBS) is a widely used non-destructive
analysis technique, which is however costly. In this paper we present the development of a …

In this work, we present three experiences developed with 3D printing technology for
teaching in Optics. These activities were planned, designed, and implemented to go deeper …

El trabajo presenta el desarrollo de un sistema de espectroscopia Raman de costo reducido
(menor a 1000 USD), destinando a la detección de líquidos transparentes no identificables …