Seeing Inside Tears | Chemical & Engineering News
 
 
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Web Date: September 20, 2011

Seeing Inside Tears

Biomedical Assay: Using a microfluidic chip, a new method analyzes proteins in tears
Department: Science & Technology
News Channels: Analytical SCENE, Biological SCENE
Keywords: lactoferrin, tear, electrophoresis, Sjögren’s syndrome, microfluidics

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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