The portable stochastic sensor as a screening tool for simultaneous determination of HER-1 and CA 125 - a key factor in the rapid recognition of gastric cancer.

The significance of HER-1 and CA 125 lies in their ability to guide cancer diagnosis, treatment, and monitoring, improving personalized care and enhancing prognostic accuracy. The utilization of HER-1 and CA 125 as screening biomarkers for the anticipation of early-stage cancer and monitoring cancer progression is expanding due to the invasive and costly nature of present techniques. In this study, a novel stochastic sensor was developed for the simultaneous determination of HER-1 and CA 125 in whole blood, saliva, and gastric tumor tissue samples using a fast, easy, inexpensive, and portable method.

Electrochemical platform based on molecularly imprinted polymer with zinc oxide nanoparticles and multiwalled carbon nanotubes modified screen-printed carbon electrode for amaranth determination.

A novel electrochemical platform for amaranth determination has been developed using a rapid, easy, inexpensive, and portable molecularly imprinted polymer technique. The MIP platform was fabricated by electropolymerizing melamine as monomer in the presence of amaranth as template on the surface of ZnO-MWCNT/SPCE. Then, amaranth was completely eluted, leaving imprinted cavities in the polymeric film that could effectively recognize amaranth in solution.

Rapid and sensitive electrochemical determination of tartrazine in commercial food samples using IL/AuTiO/GO composite modified carbon paste electrode.

A novel electrochemical sensor based on the modification of carbon paste electrode with an ionic liquid (1-butyl-2,3-dimethylimidazolium tetrafluoroborate) and AuTiO/GO composite (IL/AuTiO/GO/CPE) was developed for rapid and sensitive determination of tartrazine by differential pulse voltammetry. Under the optimum experimental conditions, the peak current was linear to concentration of tartrazine in the ranges of 1-400 µmol L and 400-1000 µmol L, with sensitivities of 0.008 µA µmol L and 0.

A review of catalysts used in microwave assisted pyrolysis and gasification.

The review describes different catalysts and reactor-types used in microwave-assisted thermochemical biomass conversion. We present comparative review of various catalytic experiments and experimental conditions using catalysts in both in situ and ex situ processes. In situ catalytic processes are more frequently used due to simpler experimental set up.