When our cells' acid-alkaline balance goes wrong, it can go wrong in a big way -- think cancer and cystic fibrosis. New fluorescent probes make it easier to detect pH and sweetened the deal by adding ...

The illustration is a summary map of the organellar pH measured with a single pH-sensitive probe, SITE-pHorin, which possesses an ultra-pH sensitivity enhanced by the quantum entanglement effect. As ...

When Arnold Beckman, a professor of analytical chemistry at the California Institute of Technology, was asked to devise a way to measure acidity in citrus fruit, the resulting “acidometer” ...

One of the most basic tools for tinkering with electronics is a multimeter. Today, even a cheap meter has capabilities that would have been either very expensive or unobtainable back in the 1970s.