Biochemistry news

Scientists Show How Bacteria Move Electrons Across a Membrane

Scientists Show How Bacteria Move Electrons Across a Membrane

Chemistry / Biochemistry

created 3 hours ago | popularity 4.5 / 5 (4) | comments 0

(PhysOrg.com) -- Scientists at the University of East Anglia, Pacific Northwest National Laboratory, and Pennsylvania State University have demonstrated for the first time the mechanism by which some bacteria ...


Scientists isolate new antifreeze molecule in Alaska beetle

Chemistry / Biochemistry

created Dec 14, 2009 | popularity 5 / 5 (14) | comments 4

Scientists have identified a novel antifreeze molecule in a freeze-tolerant Alaska beetle able to survive temperatures below minus 100 degrees Fahrenheit. Unlike all previously described biological antifreezes that contain ...


Chemical energy influences tiny vibrations of red blood cell membranes

Chemical energy influences tiny vibrations of red blood cell membranes

Chemistry / Biochemistry

created Dec 21, 2009 | popularity 4.8 / 5 (6) | comments 0

(PhysOrg.com) -- Much like a tightly wound drum, red blood cells are in perpetual vibration. Those vibrations help the cells maintain their characteristic flattened oval or disc shape, which is critical to ...


Argonne scientists use bacteria to power simple machines (w/ Video)

Argonne scientists use bacteria to power simple machines (w/ Video)

Chemistry / Biochemistry

created Dec 16, 2009 | popularity 4.8 / 5 (4) | comments 0

(PhysOrg.com) -- Scientists at the U.S. Department of Energy's Argonne National Laboratory and Northwestern University, Evanston, have discovered that common bacteria can turn microgears when suspended in ...


Molecular freight: Synthetic nanoscale transport system modeled on nature

Chemistry / Biochemistry

created Dec 21, 2009 | popularity 4.4 / 5 (5) | comments 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 ...


Making New Enzymes to Engineer Plants for Biofuel Production

Making New Enzymes to Engineer Plants for Biofuel Production

Chemistry / Biochemistry

created Dec 21, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- Brookhaven scientists have created a new enzyme with the potential to interfere with a key cell-wall component in plants, possibly leading to plants that are easier to "digest" and convert ...


H1N1 Virus Can Be Killed by Acidic Ozone Water

H1N1 Virus Can Be Killed by Acidic Ozone Water

Chemistry / Biochemistry

created Nov 09, 2009 | popularity 4.5 / 5 (44) | comments 16 feature

(PhysOrg.com) -- Scientists have found that acidic ozone water can deactivate H1N1 viruses very effectively, offering a promising disinfectant for the millions of people trying to avoid the disease. Acidic ...


Team makes breakthrough demonstration of pH-regulating protein

Chemistry / Biochemistry

created Dec 22, 2009 | popularity 5 / 5 (1) | comments 0

Researchers have identified the protein mechanism that senses bicarbonate fluctuations and adjusts blood pH levels.


Within a cell, actin keeps things moving

Within a cell, actin keeps things moving

Chemistry / Biochemistry

created Dec 17, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Using new technology developed in his University of Oregon lab, chemist Andrew H. Marcus and his doctoral student Eric N. Senning have captured what they describe as well-orchestrated, actin-driven, ...


Scientists crack mystery of protein's dual function

Chemistry / Biochemistry

created Dec 13, 2009 | popularity 5 / 5 (5) | comments 0

Researchers at The Scripps Research Institute have solved a 10-year-old mystery of how a single protein from an ancient family of enzymes can have two completely distinct roles in the body. In addition to providing guidance ...


New protein key for cell proliferation identified

Chemistry / Biochemistry

created Dec 14, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- Researchers at McGill University have identified a protein that plays a key role in cell proliferation and is likely to promote cancer development. The work may lead to the development of new diagnostic tools ...


How Did Evolution Begin?

How Did Evolution Begin?

Chemistry / Biochemistry

created Sep 28, 2009 | popularity 4.3 / 5 (28) | comments 17 feature

(PhysOrg.com) -- Life's ability to replicate itself is essential for evolution, yet even the simplest kind of replication requires a relatively complex system. So what kind of non-replicating system might ...


Sandia CR5

Machine Converts CO2 into Gasoline, Diesel, and Jet Fuel

Chemistry / Biochemistry

created Nov 23, 2009 | popularity 4.4 / 5 (45) | comments 25 weblog

(PhysOrg.com) -- Researchers at Sandia National Laboratories have built a machine that uses the sun's energy to convert carbon dioxide waste from power plants into transportation fuels such as gasoline, diesel, ...


Study shows how gene action may lead to diabetes prevention, cure

Chemistry / Biochemistry

created Dec 11, 2009 | popularity 4.3 / 5 (7) | comments 2

A gene commonly studied by cancer researchers has been linked to the metabolic inflammation that leads to diabetes.


Scientists Use Inkjet Printer to Manipulate Genes in New Ways

Scientists Use Inkjet Printer to Manipulate Genes in New Ways

Chemistry / Biochemistry

created Oct 05, 2009 | popularity 4.8 / 5 (17) | comments 0 feature

(PhysOrg.com) -- With recent advances in biochemistry, researchers can control the circuitry in a developing cell, thereby influencing cells to develop into specific phenotypes. Taking a step forward in this ...