In a bid to combat food waste and enhance safety, researchers have introduced a pioneering method for gauging the freshness of raw beef using on-pack pH indicators. This new system provides consumers ...

Students will be able to explain that if two substances cause turn a pH indicator different colors, they must be different substances. Students will be able to explain that the color that a substance ...

Chemists in South Korea have created a stable color-changing sensor that displays an easily quantifiable response to the pH of its surroundings. Published in Microsystems & Nanoengineering, Dong-Hwan ...

Figure 2: Toxicity of Cu(I) complexes inside E. coli cells. Compartment-specific pH indicators derived from the same fluorphore or fluorescent protein is advantageous for quantitative comparison of pH ...

Anderson and Kathryn explore pH, acidity and the link between carbon dioxide and acidity. Student host Anderson and Southern Research’s Kathryn Lanier explore the pH of various household substances ...