CoO Nanostructured Sensor for Electrochemical Detection of HO as a Stress Biomarker in Barley: FeO Nanoparticles-Mediated Enhancement of Salt Stress Tolerance.

This research investigates the enhancement of barley's resistance to salt stress by integrating nanoparticles and employing a nanostructured CoO sensor for the electrochemical detection of hydrogen peroxide (HO), a crucial indicator of oxidative stress. The novel sensor, featuring petal-shaped CoO nanostructures, exhibits remarkable precision and sensitivity to HO in buffer solution, showcasing notable efficacy in complex analytes like plant juice. The research establishes that the introduction of FeO nanoparticles significantly improves barley's ability to withstand salt stress, leading to a reduction in detected HO concentrations, alongside positive impacts on morphological parameters and photosynthesis rates.

Glyphosate Sensor Based on Nanostructured Water-Gated CuO Field-Effect Transistor.

This research presents a comparative analysis of water-gated thin film transistors based on a copper oxide (CuO) semiconductor in the form of a smooth film and a nanostructured surface. A smooth CuO film was deposited through reactive magnetron sputtering followed by annealing in atmosphere at a temperature of 280 ∘C. Copper oxide nanostructures were obtained by hydrothermal synthesis on a preliminary magnetron sputtered 2 nm thick CuO precursor followed by annealing at 280 ∘C.

A non-enzymatic electrochemical hydrogen peroxide sensor based on copper oxide nanostructures.

This article describes the synthesis of nanostructured copper oxide on copper wires and its application for the detection of hydrogen peroxide. Copper oxide petal nanostructures were obtained by a one-step hydrothermal oxidation method. The resulting coating is uniform and dense and shows good adhesion to the wire surface.