(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
A new paper in Nature Communications illuminates how a previously poorly understood enzyme works in the cell. Many diseases are tied to chronic cellular stress, and UMBC's Aaron T. Smith and colleagues discovered that this ...
Molecular & Computational biology
Mar 10, 2023
0
64
(PhysOrg.com) -- To make proteins, cells assemble long chains of amino acids, based on genetic instructions from DNA. That construction takes place in a tiny cellular structure called a ribosome, to which amino acids are ...
Cell & Microbiology
Nov 11, 2011
0
0
On Earth all biology is subjected to gravity. Some biological systems require gravity for correct orientation (geotropism: plants grow up, roots grow down). In the absence of gravity even human biology is affected: astronauts ...
Biotechnology
Jan 31, 2012
0
0
(Phys.org)—After years of experimentation, researchers at the University of Arkansas have solved a complex, decades-old problem in membrane biochemistry. The consequence of their work will give scientists more information ...
Biochemistry
Jan 24, 2013
0
0
A strain of genetically enhanced bacteria developed by researchers at the Salk Institute for Biological Studies may pave the way for new synthetic drugs and new ways of manufacturing medicines and biofuels, according to a ...
Biochemistry
Sep 21, 2011
1
0
(Phys.org) —Growing concern about bacterial resistance to existing antibiotics has created strong interest in new approaches for therapeutics able to battle infections. The work of an international team of researchers that ...
Cell & Microbiology
Sep 9, 2013
0
0
The heady math that describes how bubbles form in a glass of Champagne has inspired a framework for engineering living cells.
Cell & Microbiology
Sep 22, 2021
0
15
A protein found in the membranes of ancient microorganisms that live in desert salt flats could offer a new way of using sunlight to generate environmentally friendly hydrogen fuel. Researchers in the Nanobio Interfaces and ...
Nanomaterials
Aug 9, 2013
0
0
A three-dimensional image of one of the proteins that serves as an on-off switch as it binds to receptors on the surface of a cell suggests there may be a sort of main power switch that could be tripped. These surface receptors ...
Biotechnology
Apr 21, 2013
2
0
