News tagged with wall structures

Tuberculosis bacterium's outer cell wall disarms the body's defense to remain infectious

The bacterium that causes tuberculosis has a unique molecule on its outer cell surface that blocks a key part of the body's defense. New research suggests this represents a novel mechanism in the microbe's evolving efforts ...

Medicine & Health / Diseases

created Oct 03, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

An electronic bucket brigade could boost solar cell voltages

If solar cells could generate higher voltages when sunlight falls on them, they'd produce more electrical power more efficiently. For over half a century scientists have known that ferroelectrics, materials ...

Physics / General Physics

created Sep 15, 2011 | popularity 4.9 / 5 (8) | comments 7 | with audio podcast

Researchers find process that clears cholesterol and could reverse major cause of heart attack

Researchers at the University of Ottawa Heart Institute (UOHI) have discovered that an ancient pathway called autophagy also mobilizes and exports cholesterol from cells.

Medicine & Health / Cardiology

created Sep 08, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Enzymes for cell wall synthesis conserved across species barriers

Plants have neither supportive bone tissue nor muscles, and yet they can form rigid structures like stalks and even tree trunks. This is due to the fact that plant cells are enveloped by a stable cell wall. The main component ...

Biology / Biotechnology

created Jul 14, 2011 | popularity not rated yet | comments 0

ORNL neutrons, simulations reveal details of bioenergy barrier

A first of its kind combination of experiment and simulation at the Department of Energy's Oak Ridge National Laboratory is providing a close-up look at the molecule that complicates next-generation biofuels.

Physics / General Physics

created Jun 15, 2011 | popularity not rated yet | comments 0

Imaging with neutrons: Magnetic domains shown for the first time in 3-D

Although they exist in almost every magnetic material, you cannot see them: magnetic domains are microscopically small regions of uniform magnetization. Dr. Ingo Manke and his group at the Institute of Applied ...

Physics / General Physics

created Nov 23, 2010 | popularity 4.2 / 5 (6) | comments 4 | with audio podcast

Scientists crack code of critical bacterial defense mechanism

Scientists have combined chemistry and biology research techniques to explain how certain bacteria grow structures on their surfaces that allow them to simultaneously cause illness and protect themselves from the body's defenses.

Chemistry / Biochemistry

created Apr 25, 2010 | popularity 4.6 / 5 (5) | comments 0 | with audio podcast

New Path To Solar Energy Via Solid-State Photovoltaics

(PhysOrg.com) -- Berkeley Lab researchers have found a new mechanism by which the photovoltaic effect can take place in semiconductor thin-films. This new path to energy production brightens the future for ...

Nanotechnology / Nanomaterials

created Mar 30, 2010 | popularity 4.5 / 5 (24) | comments 2 | with audio podcast

Scientists discover rigid structure in centre of turbulence

Pioneering mathematical engineers have discovered for the first time a rigid structure which exists within the centre of turbulence, leading to hope that its chaotic movement could be controlled in the future.

Physics / General Physics

created May 05, 2009 | popularity 4.3 / 5 (10) | comments 3

A full-sized California-style home made of bamboo

A new type of eco-friendly residential house made of bamboo now stands in Changsha, Hunan Province, China.

Technology / Engineering

created Apr 08, 2009 | popularity 4.9 / 5 (9) | comments 1