For more than 40 years, the prevailing explanation of why we get old has been tied to what is called oxidative stress. This theory postulates that when molecules like free radicals, oxygen ions and peroxides build up in cells, ...
Feb 17, 2009
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A simple kitchen sink experiment helped Northwestern University researchers discover that green tea leaves not only can be used to steep a good cup of tea, but they make an excellent antibacterial coating, too.
Materials Science
Aug 22, 2013
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A group of scientists from the National Research Nuclear University MEPhI (Russia) and a series of foreign universities have developed an industrial technology for the purification of graphene, which has higher stability ...
Nanomaterials
Oct 31, 2016
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Supramolecular self-assembly based on noncovalent interactions is considered as a key strategy for introducing intracellular synthetic biocompatible macromolecules. The synthetic macromolecules resemble the nature, behavior, ...
Bio & Medicine
Jan 18, 2022
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Oxidative stress is believed to cause a number of diseases. Up to now, it has been common practice to measure oxidative stress levels by determining the oxidation state of a small molecule called glutathione in cell extracts. ...
Biochemistry
Dec 17, 2012
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Scientists at the Wake Forest University School of Medicine, the University of Manchester in the United Kingdom, and the Virginia Bioinformatics Institute at Virginia Tech have taken the first steps toward constructing a ...
Biochemistry
Apr 28, 2009
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Epidemiological studies have emphasised the importance of eating foods high in antioxidants to reduce the risk of developing cancer and cardiovascular disease, two leading causes of death worldwide. Inside the body, antioxidants ...
Biotechnology
May 19, 2015
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Scientists have discovered how naturally occurring but unstable molecules, known as free radicals, can control the fundamental process of cell division, which, when it goes wrong, can lead to uncontrolled cell growth and ...
Cell & Microbiology
Jul 27, 2022
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255
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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A potential new treatment for traumatic brain injury (TBI), which affects thousands of soldiers, auto accident victims, athletes and others each year, has shown promise in laboratory research, scientists are reporting. TBI ...
Bio & Medicine
Oct 17, 2012
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