AVS/AIP Open Access journals

Biointerphases
2006
http://www.biointerphases.org/
Full Text Open Access ...
$500 for articles of 6 or fewer published pages
$800 for articles of over 6 published pages
American Vacuum Society
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Biomicrofluidics
2007
http://bmf.aip.org
Full Text Open Access ...
$300 for articles of 8 or fewer published pages
$450 for articles of over 8 published pages
American Institute of Physics