منابع مشابه
Water, Energy and Life: Fresh Views from the Water's Edge.
Recent observations have shown an unexpected feature of water adjacent to hydrophilic surfaces: the presence of wide interfacial zone that excludes solutes. The exclusion zone is charged, while the water beyond is oppositely charged, yielding a battery-like feature. The battery is powered by absorbed radiant energy. Implications of this energetic feature are discussed. It appears that the prese...
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The use of ozonated water as a sanitizer to extend the shelf life of fresh-cut lettuce and the effect on the antioxidant constituents (polyphenols and vitamin C) were investigated. Fresh-cut iceberg lettuce (Lactuca sativa L.) was washed at 4 degrees C using three different ozonated water dips [10, 20, and 10 activated by ultraviolet C (UV-C) light mg L(-1) min total ozone dose], and the dips w...
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In the US, higher education in the life sciences is being overhauled. There is now a move both to change the way we teach biology students, emphasizing more engaging approaches, and to clearly define what it is a student should know. And for advanced degrees, there is a push to prepare students for a range of possible career paths, not just the tenure track. Cyrus Martin reports.
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tion of anthrax vaccine virulence factors by polymerase chain reaction. Okinaka R, et al. Multiple -locus variable-number tandem repeat analysis reveals genetic relationships within Bacillus anthracis. Preliminary studies on recom-binant protective antigen (rPA) vaccine against anthrax for veterinary use. In: Ab-To the Editor: Pomacea canalic-ulata, an invasive freshwater snail native to South ...
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ژورنال
عنوان ژورنال: Nature
سال: 1927
ISSN: 0028-0836,1476-4687
DOI: 10.1038/119117b0