Human saliva may contain an enzyme which can decompose the plastic polyethylene terephthalate (PET). Researchers found the promising enzyme, a hydrolase, in a database containing human metagenome samples. As they report in ...
Biochemistry
Jun 29, 2022
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691
A new saliva test can measure the amount of potential carcinogens stuck to a person's DNA -- interfering with the action of genes involved in health and disease -- and could lead to a commercial test to help determine risks ...
Analytical Chemistry
Aug 31, 2011
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(PhysOrg.com) -- Graphene and DNA can combine to create a stable and accurate biosensor, reports a study published in the nanotechnology journal Small. The tiny biosensor might eventually help doctors and researchers better ...
Bio & Medicine
May 14, 2010
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Three young Komodo dragons have gone missing from a zoo in Indonesia, a spokesman said Tuesday, warning that the lost lizards were dangerous and fast on their feet.
Plants & Animals
Mar 22, 2011
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PCR tests, also called molecular tests or nucleic acid tests, are considered the gold standard in detecting the presence of SARS-CoV-2, the virus that gives rise to COVID-19. However, they can take a few days to process, ...
Analytical Chemistry
Aug 5, 2022
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270
The World Health Organization and the Centers for Disease Control recommend keeping a certain distance between people to prevent the spread of COVID-19. These social distancing recommendations are estimated from a variety ...
Soft Matter
Jun 9, 2021
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A frog uses its whip-like tongue to snag its prey faster than a human can blink, hitting it with a force five times greater than gravity. How does it hang onto its meal as the food rockets back into its mouth?
Plants & Animals
Jan 31, 2017
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283
Swimming in a pool of syrup would be difficult for most people, but for bacteria like E. coli, it's easier than swimming in water. Scientists have known for decades that these cells move faster and farther in viscoelastic ...
Soft Matter
Nov 25, 2015
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681
The giant water bug Lethocerus patruelis is the largest European true bug and the largest European water insect. The adult bugs reach an impressive 8 cm in length, and the largest representatives of the same family are even ...
Plants & Animals
Jul 31, 2013
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Out of the estimated 23,000 or more genes in the human genome, about 100 of them will differ—they will be present or not—between any two individuals. Genes lost or gained over time result from evolution and adaptation, ...
Biotechnology
Aug 9, 2013
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