Titanium dioxide (TiO2) nanoparticles, found in everything from cosmetics to sunscreen to paint to vitamins, caused systemic genetic damage in mice, according to a comprehensive study conducted by researchers at UCLA's Jonsson ...
Bio & Medicine
Nov 16, 2009
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(PhysOrg.com) -- Scientists have shown in the laboratory that metal nanoparticles damaged the DNA in cells on the other side of a cellular barrier. The research, by the University of Bristol, is published online this week ...
Bio & Medicine
Nov 5, 2009
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For decades, microbiologists assumed that macrophages, immune cells that can engulf and poison bacteria and other pathogens, killed microbes by damaging their DNA. A new study from the University of Illinois disproves that.
Cell & Microbiology
Apr 27, 2009
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Researchers at ICIQ in Tarragona have developed a simple technique to produce microscopic crystals that activate in the presence of light, releasing silver ions with antimicrobial activity.
Bio & Medicine
Apr 17, 2024
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58
During the process of cell division, new daughter cells inherit a mix of genetic material and other molecules from their mother cells. This inheritance includes both beneficial components, which can help them for a robust ...
Cell & Microbiology
Mar 18, 2024
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Klebsiella pneumoniae is one of the most common and most dangerous bacterial pathogens impacting humans, causing infections of the gastrointestinal tract, pneumonia, wound infections, and even blood poisoning.
Cell & Microbiology
Feb 20, 2024
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The natural ends of chromosomes appear alarmingly like broken DNA, much as a snapped spaghetti strand is difficult to distinguish from its intact counterparts. Yet every cell in our bodies must have a way of differentiating ...
Cell & Microbiology
Feb 15, 2024
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64
Electrical deep brain stimulation (DBS) is a well-established method for treating disordered movement in Parkinson's disease. However, implanting electrodes in a person's brain is an invasive and imprecise way to stimulate ...
Bio & Medicine
Jan 18, 2024
0
16
A low-cost technology involving nanoparticles loaded with antibiotics and other antimicrobial compounds that can be used in multiple attacks on infections by the bacterium responsible for most cases of tuberculosis has been ...
Bio & Medicine
Dec 19, 2023
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66
The research team of Professor Petra Beli and their collaborators have discovered that aldehydes, a type of toxic chemical produced by the body after drinking alcohol, damage cells by creating chemical crosslinks between ...
Cell & Microbiology
Nov 22, 2023
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