Sampling the gut microbiome with an ingestible pill

Gut microbes affect human health, but there is still much to learn, in part because they're not easy to collect. But researchers now report in ACS Nano that they have developed an ingestible capsule that in rat studies captured ...

Paper sensors remove the sting of diabetic testing

A technique that enables biologically active enzymes to survive the rigors of inkjet printing presents a promising alternative to routine blood screening finger jabs for diabetic blood sugar levels. The KAUST-led team used ...

What's behind smelly wine

Aging often improves the flavor of wine, but sometimes the beverage emerges from storage with an unpleasant smell. One of the prime culprits is hydrogen sulfide (H2S), which can give the affected wine an aroma of sewage or ...

Vitamin C in the body can be tracked by fluorescence

Vitamin C is best known as a nutrient. In high enough doses, however, vitamin C also shows potential against many cancers, according to recent studies. To successfully develop vitamin C (chemically named ascorbic acid) as ...

Biologists taught infusoria to fight poisons

A team of scientists from Lomonosov Moscow State University and the Russian Academy of Sciences has found a new substance with antioxidant properties able to protect living organisms from toxic compounds. The results of the ...

Portable device can quickly determine the extent of an eye injury

An engineer and an ophthalmologist are developing a portable sensor that can quickly and inexpensively determine whether an eye injury is mild or severe. The device, called OcuCheck, measures levels of vitamin C in the fluids ...

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