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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In a recent study, researchers at Johns Hopkins Medicine suggest that the cell's messenger RNA (mRNA)—the major translator and regulator of genetic material—along with a critical protein called ZAK—spurs the cell's ...
Cell & Microbiology
Jul 2, 2024
0
59
The space environment is harsh and full of extreme radiation. Scientists designing spacecraft and satellites need materials that can withstand these conditions.
General Physics
Jun 24, 2024
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174
Researchers at The University of Texas at El Paso are developing a new therapeutic approach that uses nanoparticles for the treatment of skin and lung fibrosis, conditions that can result in severe damage to the body's tissues.
Bio & Medicine
Jun 7, 2024
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28
RIKEN chemists have demonstrated a gold-nanocluster system that carries two components of a drug in a controlled ratio for maximum cancer-cell killing effect. The active drug remains safely masked until red light triggers ...
Bio & Medicine
May 30, 2024
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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
0
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
0
1
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
0
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