UCLA researchers show how world's smallest 'coffee ring' may help biosensors detect disease
Thursday, May 6, 2010 - 09:11
in Physics & Chemistry
The field of biosensing has recently found an unlikely partner in the quest for increased sensitivity: coffee rings. The next time you spill your coffee on a table, look at the spot left after the liquid has evaporated, and you'll notice it has a darker ring around its perimeter that contains a much higher concentration of particles than the centre...