These microadditives enhance color, flavor and freshness. But what do they do in the body? It seemed like a small thing when Paul Westerhoff’s 8-year-old son appeared, with his tongue and lips coated ...

Researchers at Rice University have developed a new "mat" that can adsorb and destroy pollutants from water. The purifier is made up of titanium dioxide nanoparticles embedded into polymer fibers, ...

(Nanowerk News) The ability of small intestine cells to absorb nutrients and act as a barrier to pathogens is "significantly decreased" after chronic exposure to nanoparticles of titanium dioxide, a ...

Titanium dioxide, a common food colouring used in sweets and chewing gum may affect the intestine’s ability to absorb nutrients and protect against harmful pathogens, a study has determined.

Traditional leather manufacturing requires the use of several toxic chemicals, such as halogenated flame retardants or organic antimicrobial solvents, which cause pollution. Now, scientists are ...

Nanoparticles based on Titanium dioxide (TiO 2) have many commercial applications, and of all engineered nanoparticles (NPs), the scale of their industrial production is the largest globally. To ...

A nanoparticle’s safety is often determined by its toxicity on the human body. Toxicity can be defined in several ways, and it is not only the toxicity of the nanoparticle that is important but also ...

When human cells are exposed to titanium dioxide without the presence of UV light from the sun, the risk for bacterial infection more than doubles, scientists have discovered. When human cells are ...

What are Metal Oxide Nanoparticles? Metal oxide nanoparticles are a class of nanomaterials composed of metal cations bonded to oxygen anions, with particle sizes ranging from 1 to 100 nanometers.