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Biochemistry & Biophysics
Up from the Depths: How Bacteria Capture Carbon in the 'Twilight Zone' PDF Print E-mail
Monday, 05 September 2011 00:39
Understanding the flow and processing of carbon in the world's oceans, which cover 70 percent of Earth's surface, is central to understanding global climate cycles, with many questions remaining unanswered.
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Sandfly Saliva Provides Important Clues for New Leishmaniasis Treatments PDF Print E-mail
Friday, 02 September 2011 00:24

For millions of people who live under the constant threat of Leishmania infection, a new discovery by Brazilian scientists may lead to new breakthroughs, preventing these parasites from taking hold in the body or reducing the severity of infections once they occur.

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New Method Reveals Parts of Bacterial Genome Essential to Life PDF Print E-mail
Friday, 02 September 2011 00:21
A team at the Stanford University School of Medicine has cataloged, down to the letter, exactly what parts of the genetic code are essential for survival in one bacterial species, Caulobacter crescentus.
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Sutureless Method for Joining Blood Vessels Invented PDF Print E-mail
Wednesday, 31 August 2011 00:18
Reconnecting severed blood vessels is mostly done the same way today -- with sutures -- as it was 100 years ago, when the French surgeon Alexis Carrel won a Nobel Prize for advancing the technique. Now, a team of researchers at the Stanford University School of Medicine has developed a sutureless method that appears to be a faster, safer and easier alternative.
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Degrading Proteins to Divide Cells PDF Print E-mail
Monday, 29 August 2011 00:16
Researchers at IRB Barcelona discover a crucial mechanism controlling the segregation of genetic material from parent to daughter cells. A finely tuned process of degradation tightly regulates CenH3 protein levels to ensure the correct function of the cell division machinery in Drosophila.
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Rare Immune Cell Is Asset and Liability in Fighting Infection PDF Print E-mail
Monday, 29 August 2011 00:13
The same trait that makes a rare immune cell invaluable in fighting some infections also can be exploited by other diseases to cause harm, two new studies show.
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Three-Part Handoff Delivers Proteins to Membrane Surface PDF Print E-mail
Friday, 26 August 2011 00:27
The delivery system for an important class of proteins in the cell membrane can be fully replicated with a mere three components, according to a new study.
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At Last, a Reason Why Stress Causes DNA Damage PDF Print E-mail
Wednesday, 24 August 2011 00:23
For years, researchers have published papers that associate chronic stress with chromosomal damage. Now researchers at Duke University Medical Center have discovered a mechanism that helps to explain the stress response in terms of DNA damage.
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Tuning Natural Antimicrobials to Improve Their Effectiveness at Battling Superbugs PDF Print E-mail
Wednesday, 24 August 2011 00:19
Ongoing research at the Institute of Food Research, which is strategically funded by BBSRC, is exploring the use of virus-produced proteins that destroy bacterial cells to combat potentially dangerous microbial infections. Bacteriophages produce endolysin proteins that specifically target certain bacteria, and IFR has been studying one that destroys Clostridium difficile, a common and dangerous source of hospital-acquired infections.
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Kinder, Gentler Cell Capture Method Could Aid Medical Research PDF Print E-mail
Monday, 22 August 2011 02:52
A research team at the National Institute of Standards and Technology (NIST) has come up with a potential solution to a two-pronged problem in medical research: How to capture cells on a particular spot on a surface using electric fields and keep them alive long enough to run experiments on them.
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Low-Dose Naltrexone (LDN): Tricking the Body to Heal Itself PDF Print E-mail
Monday, 05 September 2011 00:30
Researchers at The Pennsylvania State University College of Medicine, Hershey, Pennsylvania have discovered the mechanism by which a low dose of the opioid antagonist naltrexone (LDN), an agent used clinically (off-label) to treat cancer and autoimmune diseases, exerts a profound inhibitory effect on cell proliferation.
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Cracking Cellulose: A Step Into the Biofuels Future PDF Print E-mail
Friday, 02 September 2011 00:23
Scientists from the University of York have played a pivotal role in a discovery which could finally unlock the full potential of waste plant matter to replace oil as a fuel source.
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In Cell Culture, Like Real Estate, the Neighborhood Matters PDF Print E-mail
Wednesday, 31 August 2011 00:33
Ever since scientists first began growing human cells in lab dishes in 1952, they have focused on improving the chemical soup that feeds the cells and helps regulate their growth.
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New Imaging Method Sheds Light On Cell Growth PDF Print E-mail
Wednesday, 31 August 2011 00:10
University of Illinois researchers are giving a light answer to the heavy question of cell growth.
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Molecular Chaperones Traffic Signaling Proteins Between Cells in Plant Stem-Cell Maintenance Pathway PDF Print E-mail
Monday, 29 August 2011 00:15
Like all living things, plants depend for their growth and sustenance on elaborate signaling networks to maintain stem cells, cells that have an almost magical regenerative capacity.
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New Theory May Shed Light On Dynamics of Large-Polymer Liquids PDF Print E-mail
Friday, 26 August 2011 00:29
A new physics-based theory could give researchers a deeper understanding of the unusual, slow dynamics of liquids composed of large polymers. This advance provides a better picture of how polymer molecules respond under fast-flow, high-stress processing conditions for plastics and other polymeric materials.
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Scientists Identify Point of Entry for Deadly Ebola Virus PDF Print E-mail
Friday, 26 August 2011 00:24
Ebola virus, the cause of Ebola hemorrhagic fever (EHF), is one of the deadliest known viruses affecting humans. Like anthrax and smallpox virus, Ebola virus is classified by the U.S. Centers for Disease Control and Prevention (CDC) as a category A bioterrorism agent.
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Imaging Probe Allows Noninvasive Detection of Dangerous Heart-Valve Infection PDF Print E-mail
Wednesday, 24 August 2011 00:22
A novel imaging probe developed by Massachusetts General Hospital (MGH) investigators may make it possible to diagnose accurately a dangerous infection of the heart valves.
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Research Team Achieves First Two-Color STED Microscopy of Living Cells PDF Print E-mail
Monday, 22 August 2011 02:55
Researchers are able to achieve extremely high-resolution microscopy through a process known as stimulated emission depletion (STED) microscopy. This cutting-edge imaging system has pushed the performance of microscopes significantly past the classical limit, enabling them to image features that are even smaller than the wavelength of light used to study them.
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New Tool Matches Medical Treatment Data to New Cancer Cases to Improve Prostate Cancer Treatment PDF Print E-mail
Monday, 22 August 2011 02:51
Prostate cancer, the most common form of cancer in U.S. men, is also one of the most treatable: 90 percent of patients who undergo intensity modulated radiation therapy (IMRT) in the early stages are disease free after five years, according to the journal Seminars in Radiation Oncology.
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