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 ...

Sweet potato leaves a good source of vitamins

Sweetpotato is known to be a good source of ascorbic acid (vitamin C) and certain B vitamins that are considered essential to human health. Besides the commonly consumed root of the plant, certain tissues in sweetpotato are ...

Fruit juices contain more vitamin C than their labels indicate

A team of pharmacists from the University of Santiago de Compostela (USC) has established that the levels of vitamin C in many fruit juices and soft drinks are far higher than those indicated on their labels by the manufacturers. ...

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