When animals and plants are exposed to influences such as bacterial attack, odour and cold, calcium ions flow into the cells. The calcium provides the cells with a signal about what is going on outside, but as high concentrations ...
Biotechnology
Oct 21, 2012
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0
Multidrug resistance (MDR)—a process in which tumors become resistant to multiple medicines—is the main cause of failure of cancer chemotherapy. Tumor cells often acquire MDR by boosting their production of proteins that ...
Bio & Medicine
Oct 16, 2020
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127
A previously unknown electrical current develops in the body's cells when the vital fat pump function of the flippases transfers ("flips") lipids from the outer to the inner layer of the body's cell membranes. This electrical ...
Cell & Microbiology
Aug 27, 2019
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5
A team of researchers from the Massachusetts Institute of Technology (MIT) and the U.S. Department of Energy's (DOE) Brookhaven National Laboratory has determined how to use hydrogen ions, "pumped" from water in the air at ...
General Physics
Nov 30, 2018
1
6
New research results from Aarhus University and New York University show how active transport of potassium can be achieved by a membrane protein complex that has roots in both ion pump and ion channel super-families. The ...
Cell & Microbiology
Jun 22, 2017
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6
Researchers at Aarhus University have described one of the cell's key enzymes, the calcium pump, in its decisive moment—a so-called transition state. These findings provide a very detailed picture of how one of the most ...
Biochemistry
May 9, 2016
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6
A novel cesium-transporting bacterial pump developed by researchers at the NITech could be beneficial in radioactivity decontamination efforts. These findings were recently reported in The Journal of Physical Chemistry Letters.
Materials Science
Feb 22, 2016
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11
The transport of ions is essential for the routine maintenance of the body. For this reason cells contain specialized enzymes that act as pumps that help ions to move around and pass through boundaries.
Cell & Microbiology
Feb 18, 2011
3
0
Can a door handle keep you healthy? That depends on what's on it. Most are teeming with bacteria: staph, E. coli, Enterococcus and sometimes even Salmonella. That stuff can make you sick.
Biochemistry
Jul 31, 2013
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