Scientists have found that an increase in water salinity in the cells of the marine diatom Nitzschia weakens the connections ...

Acid reducing medicines from the group of proton pump inhibitors (PPIs) are best-selling drugs that prevent and alleviate stomach problems. PPIs are activated in the acid-producing cells of the ...

The other defense against acid is fluoride. As the active ingredient in many toothpastes and rinses, topical fluoride lowers the susceptible pH of enamel from 5.5 to 4.5, meaning any acid must be ...