Better and cheaper healthcare with dry blood samples

Dried blood on filter paper stored for future diagnostic purposes – considerably easier than the present-day, resource-consuming method using frozen blood samples in plastic tubes. In a new study, Uppsala researchers have ...

Mille-feuille-filter removes viruses from water

A simple paper sheet made by scientists at Uppsala University can improve the quality of life for millions of people by removing resistant viruses from water. The sheet, made of cellulose nanofibers, is called the mille-feuille ...

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 ...

Bomb-sniffing elephants? Not so nutty, US Army says

Armed with a sharp sense of smell, dogs have a long history of detecting explosives for their human handlers. Trained rats sniff out land mines from old African wars. In Croatia, researchers have tried to train bees to identify ...

Nano-paper filter removes viruses

Nanotechnology and Functional Materials, Uppsala University have developed a paper filter, which can remove virus particles with the efficiency matching that of the best industrial virus filters. The paper filter consists ...

A tale of two fungi

(Phys.org) —In the February issue of New Phytologist, Tulane University biologists examine why leaf-cutting ants target some plants and avoid others, concluding that high levels of friendly fungi in the leaves of some plants ...

Fuji Xerox shows e-paper colors without filter

(Phys.org) -- Fuji Xerox has come up with an electrophoretic type electronic paper (e-paper) prototype that can realize a color display without using a color filter. The company showcased the e-paper model at SID Display ...

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