IN the performance of blood grouping and cross-matching tests a source of inconvenience, and of possible error, is the operation of transferring the tubes in which the reactions are performed from ...

Visit any modern diagnostic labs and you’ll likely find at least a few centrifuges, machines that exploit centrifugal force to separate fluids into different layers based on densities. However, in ...

TAKE a cardboard disc and punch two holes in it, on either side of its centre. Thread a piece of string through each hole. Now, pull on each end of the strings and the disc will spin frenetically in ...

Researchers have used the technology behind a 5,000-year-old toy to create a cheap paper device that can separate blood and could could change how some diseases are diagnosed in the developing world.