It was another good week for physics as a trio of physicists suggested that if scientists are someday able to detect mini black holes at the LHC, at certain energy levels, it could indicate the existence of parallel universes ...
(Phys.org) -- Research groups from Iowa State University and the Salk Institute for Biological Studies have uncovered the function of three plant proteins, a discovery that could help plant scientists boost seed oil production ...
Biotechnology
May 14, 2012
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0
Aquaculture, once a fledgling industry, now accounts for 50 percent of the fish consumed globally, according to a new report by an international team of researchers. And while the industry is more efficient than ever, it ...
Ecology
Sep 7, 2009
4
0
Using a controlled diet study with human volunteers, researchers may have teased out a biological basis for the increased inflammation observed due to humans' shift in their consumption of omega fatty acids.
Cell & Microbiology
May 29, 2009
4
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Dartmouth scientists have created a more sustainable feed for aquaculture by using a marine microalga co-product as a feed ingredient. The study is the first of its kind to evaluate replacing fishmeal with a co-product in ...
Ecology
Aug 18, 2018
3
157
A major discovery that could "revolutionise" the understanding of omega-3 production in the ocean has been made by an international team of scientists.
Environment
May 2, 2018
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309
Imagine you're on your way to Mars, and you lose a crucial tool during a spacewalk. Not to worry, you'll simply re-enter your spacecraft and use some microorganisms to convert your urine and exhaled carbon dioxide (CO2) into ...
Materials Science
Aug 22, 2017
2
167
In a new study that upends the way ornithologists think about a young bird's diet – but won't shock parents used to scanning the nutritional profile of their children's food – Cornell researchers have found that when ...
Plants & Animals
Sep 20, 2016
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14
An experimental nanoparticle therapy that combines low-density lipoproteins (LDL) and fish oil preferentially kills primary liver cancer cells without harming healthy cells, UT Southwestern Medical Center researchers report.
Bio & Medicine
Feb 8, 2016
0
89
An international team of scientists including researchers from the University of Georgia recently published the genome of Brassica napus—commonly known as canola—in the journal Science. Their discovery paves the way for ...
Biotechnology
Aug 21, 2014
0
0
n−3 fatty acids (popularly referred to as ω−3 fatty acids or omega-3 fatty acids) are a family of unsaturated fatty acids that have in common a final carbon–carbon double bond in the n−3 position; that is, the third bond from the methyl end of the fatty acid.
Important nutritionally-essential n−3 fatty acids are: α-linolenic acid (ALA), eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA), all of which are polyunsaturated. The human body cannot synthesize n−3 fatty acids de novo, but it can form 20-carbon unsaturated n−3 fatty acids (like EPA) and 22-carbon unsaturated n−3 fatty acids (like DHA) from the eighteen-carbon n−3 fatty acid α-linolenic acid. These conversions occur competitively with n−6 fatty acids, which are essential closely related chemical analogues that are derived from linoleic acid. Both the n−3 α-linolenic acid and n−6 linoleic acid are essential nutrients which must be obtained from food. Synthesis of the longer n−3 fatty acids from linolenic acid within the body is competitively slowed by the n−6 analogues. Thus accumulation of long-chain n−3 fatty acids in tissues is more effective when they are obtained directly from food or when competing amounts of n−6 analogs do not greatly exceed the amounts of n−3.[citation needed]
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