Reactive molecules, such as free radicals, can be produced in the body after exposure to certain environments or substances and go on to cause cell damage. Antioxidants can minimize this damage by interacting with the radicals ...
Polymers
Jan 8, 2021
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Nylon, rubber, silicone, Teflon, PVC—these are all examples of man-made polymers—long chains of repeated molecular units that we call monomers. While polymers also exist in nature (think wool, silk, or even hair), the ...
Materials Science
Nov 24, 2020
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77
Natural occurring wildfires create large smoke plumes that are transported several hundred miles away in the atmosphere exposing many people to pollutants that affect public health.
Environment
Oct 14, 2020
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10
Hypoxia is a typical characteristic of most tumors, owing to the fast consumption of oxygen by tumor tissue over the supply through malformed and abnormal tumor vasculature. Hypoxia in tumor tissue promotes the probability ...
Bio & Medicine
Aug 31, 2020
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6
Free radicals—atoms and molecules with unpaired electrons—can wreak havoc on the body. They are like jilted paramours, destined to wander about in search of another electron, leaving broken cells, proteins and DNA in ...
General Physics
Aug 7, 2020
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252
Non-invasive color analysis of cells could one day be used in diagnostics, a proof-of-concept study has shown.
Cell & Microbiology
May 13, 2020
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86
For plants, sunlight can be a double-edged sword. They need it to drive photosynthesis, the process that allows them to store solar energy as sugar molecules, but too much sun can dehydrate and damage their leaves.
Plants & Animals
Mar 10, 2020
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302
Sleep-deprived fruit flies helped reveal what induces sleep. University of Oxford researchers Anissa Kempf, Gero Miesenböck, and colleagues reveal that fruit fly sleep is driven by oxidative stress, the imbalance of free ...
Molecular & Computational biology
Feb 18, 2020
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5
A RUDN University chemist has synthesized new derivatives of 1,2,4-triazole that exhibit antidiabetic properties. Experiments showed that these compounds work better than acarbose, a widely used hypoglycemic drug, and demonstrate ...
Biochemistry
Feb 17, 2020
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25
Scientists of Tomsk Polytechnic University and partners from the Czech Republic and France have designed extremely sensitive sensors for free oxygen-containing radicals that are able to disrupt cell function. According to ...
Analytical Chemistry
Jan 29, 2020
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