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Republic Day 2026: what Atatürk told teachers in Samsun in 1924 about science as the truest guide, how the idea became universities, and why it still matters in an analytical chemistry lab.

Redox reactions, three electrodes and a potentiostat: how a molecule becomes a measurable current, and what CV, DPV and SWV actually do.

How a working, counter and reference electrode fit on one printed strip, and why screen-printed electrodes are so useful for fast, on-site analysis.

The ingredients and three key steps of molecular imprinting, from pre-complex formation and thermal, photo- or electropolymerisation to template removal.

More surface, faster electron transfer and catalytic effects: how graphene, MXenes/MBenes and metal nanoparticles make electrochemical sensors more sensitive.

Molecularly imprinted polymers are synthetic receptors with molecule-shaped cavities. Here is how they are made and how they turn an electrode into a selective sensor.