See also:

http://www.eecs.mit.edu/AY06-07/announcements/12.html

http://www.rle.mit.edu/news/news_newslinks.html

http://www.rle.mit.edu/micronano/documents/nature-nanotech-february.pdf

http://www.drugresearcher.com/news/ng.asp?n=74093-massachusetts-institute-of-technology-microchip-microseive-fluid-separation-biomarkers

http://www.rle.mit.edu/micronano/research_protein.htm