(Nanowerk Spotlight) Chameleon-like adaptive camouflage is based on structural colors that have evolved in Nature to help animals like cephalopods and certain birds and fish to modify their colors to ...

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 ...

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.

As they have been designed to undergo colorimetric changes that are dependent on the polarity of solvents, the majority of conventional solvatochromic molecule based sensor systems inevitably display ...

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.

Ingesting biogenic amines released from spoiled food is harmful for the human body. Thus, it is important to detect these compounds during food storage and distribution to track spoilage. To this end, ...

A low-cost, durable sensor made from adhesive paper and dye-coated silica microparticles can identify and quantify a range of toxic gases, including highly dangerous compounds such as chlorosarin.