When it comes to oxygen, you can have too much of a good thing. Breathing air that contains higher levels of oxygen than the usual 21 percent found in Earth's atmosphere can cause organ damage, seizures, and even death in ...
Cell & Microbiology
Mar 9, 2023
0
139
Which genes are specific for a certain cell type, i.e., "mark" their identity? With the increasing size of datasets nowadays, answering this question is often challenging. Often, marker genes are simply genes that have been ...
Biotechnology
Jul 1, 2022
0
15
The origin of the vertebrate skull is a topic of much debate among evolutionary biologists. Some believe that the vertebrate head has developed as a result of modification of the segmental elements of the trunk, such as the ...
Evolution
Jan 10, 2024
0
31
Researchers at New York University have created artificial Hox genes—which plan and direct where cells go to develop tissues or organs—using new synthetic DNA technology and genomic engineering in stem cells.
Biotechnology
Jun 30, 2022
0
220
The latest version of a microfluidic device for capturing rare circulating tumor cells (CTCs) is the first designed specifically to capture clusters of two or more cells, rather than single cells. The new device called the ...
Analytical Chemistry
May 18, 2015
0
39
(PhysOrg.com) -- Our body consists of individual organs that are made of cells, which in turn contain a number of separate organelles. Biological function cannot be maintained if there are no separate compartments, and compartments ...
Materials Science
Oct 6, 2011
2
0
Chemists at the U.S. Department of Energy's Brookhaven National Laboratory have received three patents for developing catalysts to accelerate chemical reactions in fuel cells. The newly patented catalysts, as well as a method ...
Materials Science
May 20, 2010
0
0
Rice University scientists have developed a big data technique that could have a significant impact on health care.
Computer Sciences
Aug 12, 2015
0
213
Researchers at the University of East Anglia have discovered how nitrogen-fixing bacteria sense iron—an essential but deadly micronutrient.
Cell & Microbiology
Sep 17, 2019
0
171
Every cell contains millions of protein molecules. Some of them have the ability to phase-separate to form non-membrane-bound compartments, called biomolecular condensates, inside a cell. It has long been assumed that there ...
Cell & Microbiology
Jul 11, 2022
0
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