News tagged with semiconductor films

Conquering LED efficiency droop

WASHINGTON, April 30--Like a coffee enthusiast who struggles to get a buzz from that third cup of morning joe, light-emitting diodes (LEDs) seem to reach a point where more electricity no longer imparts the ...

Apr 30, 2012
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Sensor Detects Onset of Acute Myocardial Ischemia

(PhysOrg.com) -- Engineering researchers at the University of Arkansas have fabricated and tested a unique biosensor that measures concentrations of potassium and hydrogen ions in the human heart with high specificity. The ...

Apr 23, 2009
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