Web Date: September 20, 2011
Seeing Inside Tears
Tears reveal more than just emotion: The salty drops may harbor signs of disease. Researchers have now developed a speedy microfluidics-based assay that detects specific proteins in tears, which could someday help doctors diagnose and treat eye diseases (Anal. Chem., DOI: 10.1021/ac202061v).
Clinics routinely test blood or urine but not tears, says Amy Herr of the University of California, Berkeley, because tears are difficult to analyze. Traditional diagnostic methods, like enzyme-linked immunosorbant . . .
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