ARTICLE #4 FOR IMMEDIATE RELEASE
"Amyloid-Degrading Ability of Nattokinase from Bacillus subtilis Natto"
DOWNLOAD FULL TEXT ARTICLE: http://pubs.acs.org/stoken/presspac/presspac/full/10.1021/jf803072r
Rita P. Y. Chen, Ph. D.
ARTICLE #5 EMBARGOED FOR 9 A.M., EASTERN TIME, Feb. 23, 2009
Ocean becoming more acidic, potentially threatening marine life
Chemical & Engineering News
A dramatic increase in carbon dioxide levels is making the world's ocean more acidic, which may adversely affect the survival of marine life and organisms that depend on them, such as humans. An article on this topic is scheduled for the Feb. 23 issue of Chemical & Engineering News, ACS' weekly newsmagazine.
In the article, C&EN Associate Editor Rachel Petkewich notes that the increased use of fossil fuels has caused levels of carbon dioxide in the atmosphere to nearly double since the Industrial Revolution. The ocean absorbs large amounts of carbon dioxide about 22 million tons a day causing the water's pH to decrease or acidify. The pH scale measures how acidic or alkaline substances are. The pH scale ranges from 0 to 14. A pH of 7 is neutral. A pH less than 7 is acidic. A pH greater than 7 is alkaline. The ocean's pH is currently about 8.1, down from 8.2 in the 18th century, the article notes. Scientists project that the ocean's pH will fall by about 0.3 more units in the next 50 to 100 years.
Researchers worldwide are now reporting that these lower pH levels could affect many aspects of the biochemistry, development,
|Contact: Michael Woods|
American Chemical Society