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American Chemical Society's Weekly Presspac -- June 17, 2009

rican Homes Survey: A National Study of Residential Pesticides Measured from Floor Wipes"


Daniel Stout, Ph.D.
Environmental Protection Agency
Research Triangle Park, N.C.
Phone: (919) 541-5767
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"Milking" microscopic algae could yield massive amounts of oil
Industrial & Engineering Chemistry Research

Scientists in Canada and India are proposing a surprising new solution to the global energy crisis "milking" oil from the tiny, single-cell algae known as diatoms, renowned for their intricate, beautifully sculpted shells that resemble fine lacework. Their report appears online in the current issue of the ACS' bi-monthly journal Industrial Engineering & Chemical Research.

Richard Gordon, T. V. Ramachandra, Durga Madhab Mahapatra, and Karthick Band note that some geologists believe that much of the world's crude oil originated in diatoms, which produce an oily substance in their bodies. Barely one-third of a strand of hair in diameter, diatoms flourish in enormous numbers in oceans and other water sources. They die, drift to the seafloor, and deposit their shells and oil into the sediments. Estimates suggest that live diatoms could make 10−200 times as much oil per acre of cultivated area compared to oil seeds, Gordon says.

"We propose ways of harvesting oil from diatoms, using biochemical engineering and also a new solar panel approach that utilizes genetically modifiable aspects of diatom biology, offering the prospect of "milking" diatoms for sustainable energy by altering them to actively secrete oil products," the scientists

Contact: Michael Woods
American Chemical Society

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