What is a PCB?

The team at Macias Sensors is convinced that the future of electrochemical analytical systems is in PCB-based platforms. But… what are PCBs? In this post we explain that in detail. Introduction to PCBs Every day we interact with multiple electronic…

What is a Reference Electrode?

In electrochemistry it is very common to work with so-called 3 electrode cells. These cells have: A working electrode (WE) A counter electrode (CE) A reference electrode (RE) The reference electrode is perhaps the one that is most difficult to…

Biosensors

What is a biosensor? A biosensor is a device that uses biological receptors to selectively detect molecules, biomolecules, pathogens or ions. These receptors tend to be enzymes, antibodies, DNA, RNA or even whole cells. How does a biosensor work? Biosensors…

Chemosensors

What is a chemosensor? Chemosensors are devices that detect molecules, biomolecules or ions How does a chemosensor work? Chemosensors work via molecular interactions happening between a receptor bound to a surface and an analyte. In electrochemical chemosensors, the receptors are…

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