Antibacterial

Ultraviolet light is well-known for its ability to kill germs, including ones that cause food to spoil. And while there doesn't tend to be any food-preserving UV light in our refrigerators, a new consumer device is out to change that.

If there's one thing that needs to be antibacterial, it's the public touchscreen displays that everyone paws at with their filthy fingers. Well, help is on the way, in the form of a newly developed copper coating.

Hospitals are meant to heal people, but patients often pick up superbugs during their stay. Scientists have now developed long-lasting antimicrobial coatings for textiles that could allow hospital curtains to quickly kill viruses and bacteria.

Science continues to make advances in smart fabrics. Now, a team of international researchers has created a wearable textile that can self-repair, is antibacterial, and could even be used to monitor a person’s heart rhythm.

Scientists at the University of Georgia have created a "superfoam" with two very valuable potential applications. It could be used not only to clean up oil spills, but also to keep infections from occurring at medical implant sites.

Although there are coatings that kill harmful microbes on frequently touched surfaces, most of those substances either have to be frequently reapplied, or they take a long time to work. A new coating, however, is claimed to address both shortcomings.

Researchers have developed a simple new way to make material surfaces with intricate nanoscale textures, all inspired by nature. Different patterns have a range of applications, like making antimicrobial surfaces or reducing ship hull friction.

Red wine and chocolate are notorious for staining clothes, thanks to the tannic acid that they contain. Scientists at the University of Tokyo have now used that acid in a textile coating which keeps clothes from stinking, and that doesn't wash out.

It's ironic that even though many people are starving, a great deal of food gets discarded because it spoils before it can be eaten. A new natural-source packaging material could help, by making foods last longer – plus it's biodegradable.

While copper does kill bacteria on contact, it typically takes at least an hour to do the job thoroughly. Such is not the case with a new type of copper, however, which is said to eradicate almost 100 percent of harmful bacteria in just two minutes.

Despite the fact that it's made of fermented raw pork, the Vietnamese meat snack Nem Chua does not cause food poisoning in people who eat it. In fact, new research suggests that a compound found in it could be used as a natural food preservative.

In most grocery stores, all of the fresh produce is either pre-wrapped in plastic film or it gets placed in plastic bags – both of which are often discarded by consumers. A new bioactive paper bag, however, could serve the same purpose while being easily recyclable.