The basic working principle of colorimetric sensing is colorimetry, which is a visible change in color that results from a chemical interaction between the sensing/detecting material and the target ...

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 ...

With the worldwide coronavirus top of mind, scientists continue to develop new technology that can provide evidence-based guidance to quickly and accurately pinpoint potential environmental dangers.

The Naval Surface Warfare Center recently conducted a weeklong user-based scenario evaluation of colorimetric explosive detection kits at the U.S. Army Blossom Point Research Facility. Colorimetric ...

Vodka tastes different from brandy, and connoisseurs can distinguish among different brands of whiskeys. The flavors of spirits result from a complex bouquet of volatile compounds. New colorimetric ...

The ongoing COVID-19 pandemic has shown that the world needs technology that can quickly and accurately identify invisible dangers, including harmful substances or airborne environmental pollutants.

This article shows how the absorbance maxima of Ponceau-S is determined over a wavelength range of 220nm to 800nm using the Eppendorf BioSpectromenter ®. The methods of analysis using this ...

The proposed skin-worn device reliably detects ammonia even in humid conditions, making it robust, selective, and reproducible CHUNGCHEONG, South Korea, Feb. 12, 2026 /PRNewswire/ -- Ammonia (NH(3) )- ...

A novel nanozyme aptasensor array achieves 100 % accuracy in classifying Staphylococcus aureus strains, enhancing rapid ...