Diverse cellular processes require many tiny force-generating motor proteins to work in a team. Paradoxically, nature often chooses the weak and inefficient dynein motor to generate large persistent forces inside cells. Here ...
Cell & Microbiology
Jan 17, 2013
2
0
Researchers at the Louisiana State University Health Sciences Center have figured out how ATP is broken down in cells, providing for the first time a clear picture of the key reaction that allows cells in all living things ...
Biochemistry
Mar 1, 2010
2
0
(Phys.org) —Two researchers from Japan's Synchrotron Radiation Research Institute have found evidence that bees share a wing muscle contraction mechanism with vertebrates by using X-rays and high speed cameras. In their ...
Chemists at the University of Illinois have created a simple and inexpensive molecular technique that replaces an expensive atomic force microscope for studying what happens to small molecules when they are stretched or compressed.
Nanophysics
Mar 29, 2009
5
0
Myosins are motor proteins that convert chemical energy into mechanical work, generating force and movement. Myosin II generates forces that are essential to drive cell movements and cell shape changes that generate tissue ...
Biotechnology
Oct 28, 2019
0
106
A study published today offers a new understanding of the complex cellular machinery that animal and fungi cells use to ensure normal cell division, and scientists say it could one day lead to new treatment approaches for ...
General Physics
Jan 4, 2017
0
165
As nanomachine design rapidly advances, researchers are moving from wondering if the nanomachine works to how long it will work. This is an especially important question as there are so many potential applications, for instance, ...
Bio & Medicine
Jan 26, 2015
0
24
By tracking the flow of information in a cell preparing to split, Johns Hopkins scientists have identified a protein mechanism that coordinates and regulates the dynamics of shape change necessary for division of a single ...
Cell & Microbiology
Nov 5, 2010
0
0
(PhysOrg.com) -- Friction limits the speed and efficiency of macroscopic engines. Is this also true for nanomachines? A Dresden research team used laser tweezers to measure the friction between a single motor protein molecule ...
Biotechnology
Aug 14, 2009
0
0
(PhysOrg.com) -- Using an RNA-powered nanomotor, University of Cincinnati (UC) biomedical engineering researchers have successfully developed an artificial pore able to transmit nanoscale material through a membrane.
Bio & Medicine
Sep 28, 2009
0
0
