News tagged with motor proteins

Chameleon-like camouflage: 'Nano-camo' for fashionistas and environmentalists

Nanotechnology / Nanomaterials

Apr 17, 2009 | 4 / 5 (10) | 1

(PhysOrg.com) -- Certain fish species blend with their environment by changing color. Sandia National Laboratories researchers have demonstrated that, in theory, they could cause synthetic materials to change ...

Nanotech researchers develop artificial pore

Nanotechnology / Bio & Medicine

Sep 28, 2009 | 5 / 5 (7) | 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 ...

Molecular freight: Synthetic nanoscale transport system modeled on nature

Chemistry / Biochemistry

Dec 21, 2009 | 4.4 / 5 (5) | 0

(PhysOrg.com) -- Just like our roads, there is a lot of traffic within the cells in our bodies, because cell components, messenger molecules, and enzymes must also be brought to the right places in the cell. One of these ...

Motor proteins may be vehicles for drug delivery

Biology / Biotechnology

Mar 20, 2009 | 5 / 5 (3) | 0

Specialized motor proteins that transport cargo within cells could be turned into nanoscale machines for drug delivery, according to bioengineers. Chemical alteration of the proteins' function could also help inhibit the ...

Atomic-level Snapshot Catches Protein Motor in Action (w/ Video)

Biology / Cell & Microbiology

Nov 20, 2009 | 4.7 / 5 (3) | 1

(PhysOrg.com) -- The atomic-level action of a remarkable class of ring-shaped protein motors has been uncovered by researchers with the Lawrence Berkeley National Laboratory using a state-of-the-art protein ...

Study offers clues to beating hearing loss

Medicine & Health / Research

Mar 04, 2009 | 3.7 / 5 (3) | 0

Researchers at the University of Leeds have made a significant step forward in understanding the causes of some forms of deafness.

New molecular force probe stretches molecules, atom by atom

Nanotechnology / Nanophysics

Mar 29, 2009 | 5 / 5 (2) | 5

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.

Chemists create bipedal, autonomous DNA walker

Chemistry / Biochemistry

Apr 02, 2009 | 5 / 5 (2) | 0

Chemists at New York University and Harvard University have created a bipedal, autonomous DNA "walker" that can mimic a cell's transportation system. The device, which marks a step toward more complex synthetic molecular ...

Bionanomachines: Proteins as resistance fighters

Biology / Biotechnology

Aug 14, 2009 | 5 / 5 (2) | 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 ...

New imaging studies reveal mechanics of neuron migration

Medicine & Health / Neuroscience

Jul 23, 2009 | 5 / 5 (1) | 0

(PhysOrg.com) -- The development of the brain proceeds a little like the European settlement of North America. The earliest pioneers settled on the east coast with subsequent waves of settlers forming communities further ...

Researchers 'unzip' molecules to measure interactions keeping DNA packed in cells

Biology /

Jan 28, 2009 | 4 / 5 (1) | 0

(PhysOrg.com) -- Anyone who has ever battled a stuck zipper knows it's a good idea to see what's stuck, where and how badly -- and then to pull hard. A Cornell research team's experiments involve the "unzipping" ...

Dartmouth researchers find new protein function

Biology /

Jan 09, 2009 | 4 / 5 (1) | 0

A group of Dartmouth researchers has found a new function for one of the proteins involved with chromosome segregation during cell division. Their finding adds to the growing knowledge about the fundamental ...