Japanese scientists want to figure out why some people look younger than their peers despite being the same age.

He and his team created a paper device called a patterned dried blood spot card, in which the paper is engineered with channels and collection zones that measure out defined volumes of blood and ...

HIV patients increasingly have the option to collect and ship a drop of their blood in paper-based devices that absorb the sample and store it for analysis in far-away labs. While this technology ...

HIV patients now have the option to collect and send a drop of their blood using paper-based devices that absorb and preserve the sample for analysis in distant laboratories (1 Trusted ...