Wireless sensor network nodes and mobile devices are normally powered by batteries that,
when depleted, must be recharged or replaced. This poses important problems, in particular …

Microfluidic devices fabricated via soft lithography have demonstrated compelling
applications such as lab-on-a-chip diagnostics, DNA microarrays, and cell-based assays …

To meet the increasing needs of point-of-care testing in clinical diagnosis and daily health
monitoring, numerous cutting-edge techniques have emerged to upgrade current portable …

The nondestructive testing of agricultural products has always been a key technology for the
modernization of agriculture and food. By applying a sinusoidal voltage (current) excitation …

This article describes a portable low-cost device for performing electrochemical impedance
spectroscopy (EIS) measurements, which is based on an off-the-shelf TeensyDuino. The …

Methods for identifying contaminants in liquids (such as wine) typically require laboratory
analyses of samples using precision equipment, which is expensive in terms of both time …

This paper presents a portable impedance analyzer based on the AD5933 integrated circuit,
specifically designed for fruit quality monitoring throughout its entire supply chain. The …

This paper reports on single step and rapid fabrication of interdigitated electrodes (IDEs)
using an inkjet printing-based approach. A commercial inkjet-printed circuit board (PCB) …

Monitoring the nitrate concentration in soil is crucial to guide the use of nitrate-based
fertilizers. This study presents the characteristics of an impedance sensor used to estimate …

Lectins are a class of proteins with specific and reversible carbohydrate binding properties.
Plant lectins constitute the group of these proteins most studied, placing emphasis on the …