Heavy metals are pollutants characterized by non-biodegradability and toxicity above
certain thresholds for both, human health and environment. In this scenario, analytical tools …

The safety of water resources throughout the globe has been compromised by various
human activities and climate change over the last decades. Consequently, the world is …

Possibilities, limitations and practical applications of many existing types of silver amalgam
electrodes (AgAE) for voltammetric/amperometric determination of trace amounts of …

This work reports for the first time the use of chemically activated biochar as electrode
modifier for nickel determination. The biochar activation was performed by refluxing with …

In this work, the fabrication and analytical application of a novel, unique, mercury-free, and
user-friendly voltammetric sensor of Ni (II) based on glassy carbon electrode (GCE) modified …

Trace metal speciation is key to understand/predict bioavailability and potential toxicity of
metals to biota and will, undoubtedly, be incorporated in future regulations. Electroanalytical …

A novel Co 2+ selective sensor based on the ionic imprinted polymer (IIP) nanobeads was
constructed and applied for differential pulse cathodic stripping voltammetric determination …

Nickel is naturally present in drinking water and many dietary items, which expose the
general population to nickel ingestion. This heavy metal can have a variety of harmful health …

A commercial and disposable screen-printed carbon electrode (SPCE) has been proposed
for a fast, simple and low-cost determination of Ni (II) at very low concentration levels by …

The worldwide attention for illicit drug consumption is known, mainly cocaine and marijuana,
which were the most commonly apprehended drugs. In this study, we adapted conventional …