APPLIED PHYSICAL SCIENCES Correction for “High-sensitivity microfluidic calorimeters for biological and chemical applications,” by Wonhee Lee, Warren Fon, Blake W. Axelrod, and Michael L. Roukes, which appeared in issue 36, September 8, 2009, of Proc Natl Acad Sci USA (106:15225–15230; first published August 24, 2009; 10.1073/pnas.0901447106).
The authors note that, due to a printer's error, on page 15227, right column, the equation on lines 14 and 15 of the first full paragraph appeared incorrectly. This error does not affect the conclusions of the article. The corrected equation appears below.
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