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Biochemistry & Biophysics
Soy/Milk Protein Dietary Supplements Linked to Lower Blood Pressure PDF Print E-mail
Wednesday, 20 July 2011 00:31
Milk and soy protein supplements were associated with lower systolic blood pressure compared to refined carbohydrate dietary supplements, in a study reported in Circulation: Journal of the American Heart Association.
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The Face of a Frog: Time-Lapse Video Reveals Never-Before-Seen Bioelectric Pattern PDF Print E-mail
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Wednesday, 20 July 2011 00:26
For the first time, Tufts University biologists have reported that bioelectrical signals are necessary for normal head and facial formation in an organism and have captured that process in a time-lapse video that reveals never-before-seen patterns of visible bioelectrical signals outlining where eyes, nose, mouth, and other features will appear in an embryonic tadpole.
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Natural Chemical Found in Grapes May Protect Against Alzheimer's Disease PDF Print E-mail
Monday, 18 July 2011 00:41
Researchers at Mount Sinai School of Medicine have found that grape seed polyphenols -- a natural antioxidant -- may help prevent the development or delay the progression of Alzheimer's disease.
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Atomic Structure Discovered for a Sodium Channel That Generates Electrical Signals in Living Cells PDF Print E-mail
Friday, 15 July 2011 01:51
Scientists at the University of Washington (UW) in Seattle have determined the atomic architecture of a sodium channel. The achievement opens new possibilities for molecular medicine researchers around the world in designing better drugs for pain, epilepsy, and heart rhythm disturbances.
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Breathing Restored After Spinal Cord Injury in Rodent Model PDF Print E-mail
Friday, 15 July 2011 01:46
Researchers at Case Western Reserve University School of Medicine bridged a spinal cord injury and biologically regenerated lost nerve connections to the diaphragm, restoring breathing in an adult rodent model of spinal cord injury.
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Energy-Storage Capacity of Ancient Microorganism Could Lead to Power Source for Synthetic Cells PDF Print E-mail
Wednesday, 13 July 2011 00:57
Archaea are among the oldest known life-forms, but they are not well understood. It was only in the 1970s that these single-celled microorganisms were designated as a domain of life distinct from bacteria and multicellular organisms called eukaryotes.
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Loss of Motion After Knee Surgery May Increase Osteoarthritis Risk, Research Suggests PDF Print E-mail
Monday, 11 July 2011 03:17
The onset of osteoarthritis may be related to a loss of knee motion after reconstructive ACL surgery, as noted in new research presented at the American Orthopaedic Society for Sports Medicine's Annual Meeting in San Diego, California, July 7-10, 2011.
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Scientists Discover How Best to Excite Brain Cells PDF Print E-mail
Monday, 11 July 2011 03:13
Oh, the challenges of being a neuron, responsible for essential things like muscle contraction, gland secretion and sensitivity to touch, sound and light, yet constantly bombarded with signals from here, there and everywhere.
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Functioning Small Intestine Created in Laboratory Experiments PDF Print E-mail
Friday, 08 July 2011 01:22
Researchers at The Saban Research Institute of Children's Hospital Los Angeles have successfully created a tissue-engineered small intestine in mice that replicates the intestinal structures of natural intestine -- a necessary first step toward someday applying this regenerative medicine technique to humans.
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Gastric Bacterium Helicobacter Pylori Protects Against Asthma PDF Print E-mail
Wednesday, 06 July 2011 01:53
Infection with the gastric bacterium Helicobacter pylori provides reliable protection against allergy-induced asthma, immunologists from the University of Zurich have demonstrated in an animal model together with allergy specialists from the University Medical Center of the Johannes Gutenberg University Mainz.
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Bacteria Use Batman-Like Grappling Hooks to 'Slingshot' On Surfaces, Study Shows PDF Print E-mail
Wednesday, 20 July 2011 00:28
Bacteria use various appendages to move across surfaces prior to forming multicellular bacterial biofilms. Some species display a particularly jerky form of movement known as "twitching" motility, which is made possible by hairlike structures on their surface called type IV pili, or TFP.
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Editing the Genome: Scientists Unveil New Tools for Rewriting the Code of Life PDF Print E-mail
Monday, 18 July 2011 01:42
The power to edit genes is as revolutionary, immediately useful and unlimited in its potential as was Johannes Gutenberg's printing press. And like Gutenberg's invention, most DNA editing tools are slow, expensive, and hard to use -- a brilliant technology in its infancy.
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Enzymes for Cell Wall Synthesis Conserved Across Species Barriers PDF Print E-mail
Monday, 18 July 2011 00:37
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.
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Newly Discovered Molecule Essential to Resetting 'Body Clocks' PDF Print E-mail
Friday, 15 July 2011 01:50
Research has shown that light is the key to getting our 'body clocks' back in sync and now a new study exploring the resynchronization mechanism in insects has discovered a molecule essential to the process.
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Scientists Discover First Gonorrhea Strain Resistant to All Available Antibiotics PDF Print E-mail
Wednesday, 13 July 2011 02:01
An international research team has discovered a strain of gonorrhea resistant to all currently available antibiotics. This new strain is likely to transform a common and once easily treatable infection into a global threat to public health.
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A Flash of Insight: Chemist Uses Lasers to See Proteins at Work PDF Print E-mail
Wednesday, 13 July 2011 00:03
Binghamton University researcher Christof Grewer thinks he has an important brain transport protein -- glutamate transporter -- figured out. And he's using a novel approach to spy on them by taking aim with lasers.
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Gene Study Offers Clues On Memory Puzzle PDF Print E-mail
Monday, 11 July 2011 03:16
Scientists have shed light on why it is easier to learn about things related to what we already know than it is to learn about unfamiliar things, according to a new study. The team says this is a paradox, as very different things are arguably more novel, yet adding to what we already know is so much easier.
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Naked Mole-Rat Genome: Scientists Sequence DNA of Cancer-Resistant Rodent PDF Print E-mail
Friday, 08 July 2011 01:25
Scientists at the University of Liverpool, in partnership with The Genome Analysis Centre, Norwich, have generated the first whole-genome sequencing data of the naked mole-rat, a rodent that is resistant to cancer and lives for more than 30 years.
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Vitamin D Can Help Elderly Women Survive, Review Suggests PDF Print E-mail
Friday, 08 July 2011 01:16
Giving vitamin D3 (cholecalciferol) to predominantly elderly women, mainly in institutional care, seems to increase survival. These women are likely to be vitamin D deficient with a significant risk of falls and fractures. This is the key conclusion in a systematic review published in the latest edition of The Cochrane Library.
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The Smell of Danger: Rats Instinctively Avoid Compound in Carnivore Urine PDF Print E-mail
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Wednesday, 06 July 2011 00:57
The mechanics of instinctive behavior are mysterious. Even something as simple as the question of how a mouse can use its powerful sense of smell to detect and evade predators, including species it has never met before, has been almost totally unknown at the molecular level until now.
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