The nucleus of a cell is well-shielded by a double membrane to protect its most sensitive possession—its DNA. Anything that enters or exits must pass through the nuclear pores, cylindrical structures made of hundreds of ...
Cell & Microbiology
Jan 7, 2021
0
346
Millions of medical imaging procedures each year rely on radioactive technetium. One of its radioisotopes decays quickly and is useful as a tracer material in nuclear medicine. But another, technetium-99, is very long-lived, ...
Materials Science
Nov 18, 2020
0
31
First introduced into wide use in the middle of the 20th century, nuclear magnetic resonance (NMR) has since become an indispensable technique for examining materials down to their atoms, revealing molecular structure and ...
Condensed Matter
Nov 16, 2020
0
2757
Given that phages are able to destroy bacteria, they are of particular interest to science. Basic researchers from the Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP) in Berlin are especially interested in ...
Cell & Microbiology
Nov 13, 2020
0
489
MIT chemists have determined the molecular structure of a protein found in the SARS-CoV-2 virus. This protein, called the envelope protein E, forms a cation-selective channel and plays a key role in the virus's ability to ...
Molecular & Computational biology
Nov 12, 2020
0
202
A new way of analyzing the chemical composition of soil organic matter will help scientists predict how soils store carbon—and how soil carbon may affect climate in the future, says a Baylor University researcher.
Earth Sciences
Sep 25, 2020
1
185
In human cells, the nucleus is enclosed by a structure called the nuclear pore complex (NPC). It acts as a 'gatekeeper' controlling the transport of molecules between the nucleus and the surrounding cytoplasm (the protein-containing ...
Cell & Microbiology
Jul 6, 2020
0
3
It's not often in nuclear physics that you can clearly get both sides of the story, but a recent experiment allowed researchers to do just that. They compared very similar nuclei to each other to get a clearer view of how ...
General Physics
Jun 8, 2020
0
359
Francisella tularensis, a bacterium that causes the illness tularemia (also known as "rabbit fever"), is one of the most hostile organisms on the planet. Once the bacterium enters the body and tularemia sets in, an infected ...
Molecular & Computational biology
May 27, 2020
0
31
A team of researchers affiliated with several institutions in Portugal has identified the molecular structure of folium, a blue watercolor dye used by medieval artists and book publishers. In their paper published in the ...
