Atmospheric oxygen facilitated the evolution and complexity of terrestrial organisms, including human beings, because it allowed nutrients to be used more efficiently by those organisms, which in turn were able to generate ...
Biochemistry
Apr 23, 2012
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Sometimes our immune defence attacks our own cells. When this happens in the brain we see neurodegenerative diseases such as dementia, Alzheimer's and Parkinson's disease. But if the the immune defence is inhibited, the results ...
Biochemistry
Feb 22, 2012
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Oxygen-consuming organisms obtain energy through cellular respiration, which is the transformation of carbohydrates and oxygen into carbon dioxide and water. This process also produces toxic oxygen radicals which must be ...
Cell & Microbiology
Sep 7, 2011
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Free radicals may have a bad reputation for causing ozone depletion and premature aging, but they are in fact extremely useful for making novel materials, particularly polymers. Skilled chemists can link up a wide range of ...
Polymers
Jan 21, 2011
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(PhysOrg.com) -- Used in such diverse applications as adhesives, detergents, and super-absorbent disposable diapers, polyacrylates are key polymers, but the mechanisms of their formation are complex and have long been incompletely ...
Polymers
Sep 22, 2009
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Researchers from Boston University School of Medicine (BUSM) and collaborators have discovered and analyzed several new compounds, collectively called the ''EUK-400 series,'' which could someday be used to prevent radiation-induced ...
Biochemistry
Jul 10, 2009
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By lending them a gene normally reserved for other classes of animals, researchers have shown they can rescue flies from their Parkinson's-like symptoms, including movement defects and excess free radicals produced in power-generating ...
Biotechnology
May 5, 2009
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Essential oils, also known as ethereal oils, are volatile, aromatic compounds derived from plants. Found in only about 10% of the plant kingdom, these oils are present in secretory structures such as glands, ducts, cavities, ...
Molecular & Computational biology
Jun 11, 2024
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The rapid increase in global industrialization in the past centuries has resulted in the disposal of excessive toxic pollutants into the environment, seriously threatening the aquatic ecosystem and human health. Peroxymonosulfate-based ...
Analytical Chemistry
May 28, 2024
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1
A birefringence based light modulator that works in the wavelength region of < 350 nm plays a vital role in DUV beam shaping, high density data storage, semiconductor micro-nano processing and photolithography. Actually, ...
Optics & Photonics
Jan 13, 2023
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