Abstract: In this paper, equivalent electric circuit models of a commercial 1.2-kW proton exchange membrane (PEM) fuel cell stack are proposed based on AC impedance studies. The PEM fuel cell stack ...

Researchers from the Molecular Physics and Physical Chemistry departments of the Fritz Haber Institute have shown how two ...

As instruments grow faster, leaders say clinical impact will depend on trust, standards, data, and assays built for real ...

Perfluoroalkyl and polyfluoroalkyl substances (PFAS) are a class of synthetic chemicals widely used in industrial processes and consumer products because of their resistance to heat, water and oil.

This week, Chromatography Online spoke with Yifan Liu (Northeastern University) about her ASMS 2026 talk on low-temperature HILIC, showing how dropping the operating temperature c ...

Data of methylene blue number and iodine number of activated carbons samples were calibrated against the respective surface area, micropore volume and total pore volume using multiple regression. The ...