Studies have examined the associations between cancers and circulating 25-hydroxyvitamin D [25(OH) D], but little is known about the impact of different laboratory practices on 25(OH) D concentrations ...

Many of us have played with whirligigs as kids, but now these playthings made of buttons and twine are getting a new life as medical lab tools for the developing world. Bioengineers at Stanford ...

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 ...

Tie together some twine, a sheet of paper, and a little bit of plastic and pull — you’ve got a toy whirligig. Or human-powered blood centrifuge. Scientists have created the new “paperfuge” — which ...

If you were a kid before the age of smartphones, you probably played with a whirligig at least once. The design for this simple toy, which will spin twine threaded through a button at rapid speeds ...

Micro-device to enable tailored experiments in drug development and disease research via new 'organ-on-chip' systems. A simple innovation the size of a grain of sand means we can now analyse cells and ...

Isolation of viable mononuclear and polymorphonuclear cells from blood serves as the starting point for a wide spectrum of immunology and cell biology studies. Unlike red blood cells and platelets, ...