Monday, January 5, 2009

Posts Tagged ‘Credit Image’

Brains Learn Better At Night

Saturday, December 6, 2008 18:27

Martin Sale demonstrates the technique to stimulate nerve activity in the brain. (Credit: Image courtesy of University of Adelaide) They have found that the time of day influences your brain’s ability to learn—and the human brain learns more effectively in the evening. And by identifying ...

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New Nanoparticle Could Provide Simple Early Diagnosis Of Many Diseases

Saturday, December 6, 2008 17:14

The nanoparticle polymer is made of peroxalate esters. A fluorescent dye (pentacene) is then encapsulated into the polymer. When the nano particles bump into hydrogen peroxide, they excite the dye, which then emits photons (or light) that can be detected (Credit: Image courtesy ...

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Human Derived Stem Cells Can Repair Rat Hearts Damaged By Heart Attack

Saturday, December 6, 2008 13:58

Researchers were successful in getting human-derived heart muscle cells, which are stained yellow in the image above, to graft into rat hearts and thrive alongside the rat’s normal heart muscle cells, which are stained in green. (Credit: Image courtesy of Charles Murry/University of Washington) The ...

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Social Habits Of Cells May Hold Key To Fighting Diseases

Saturday, December 6, 2008 13:10

Still image from a video showing changes in energy compartments of a heart cell. (Credit: Image courtesy of University of Manchester) As part of a new £18 million project spanning six countries, The Manchester Centre for Integrative Systems Biology at The University of Manchester will ...

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Summer Babies More Likely To Become Short-sighted Adults

Saturday, December 6, 2008 12:42

Prof. Michael Belkin (Credit: Image courtesy of Tel Aviv University) If your child is born in the winter or fall, it will have better long-range eyesight throughout its lifetime and less chance of requiring thick corrective glasses, predicts a Tel Aviv University investigation led by ...

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’Fat Eggs’ Causes Infertility In Obese Women

Saturday, December 6, 2008 12:30

PhD student Cadence Minge in the Research Centre for Reproductive Health. (Credit: Image courtesy of University of Adelaide) While obesity has long been thought to be a major factor in couples’ inability to conceive, this is the first time the effects of obesity on ...

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New Cancer Weapon: Nuclear Nanocapsules

Saturday, December 6, 2008 12:26

Rice University chemists have found a way to package some of nature’s most powerful radioactive particles inside DNA-sized tubes of pure carbon. (Credit: Image courtesy of Rice University) "There are no FDA-approved cancer therapies that employ alpha-particle radiation," said lead researcher Lon Wilson, professor of ...

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Key Hormone Protects Obese Mice From Diabetes

Saturday, December 6, 2008 12:18

Dr. Philipp Scherer, director of the Touchstone Center for Diabetes Research, led research showing in mice how an abundance of adiponectin, a hormone that controls sensitivity to insulin, and a lack of leptin, a hormone that curbs appetite, spurs storage of excess calories in ...

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Brain Implants Relieve Alzheimer’s Damage

Saturday, December 6, 2008 9:51

Plaques comprised of amyloid-beta are the hallmark pathology of Alzheimer’s disease. In this study, the scientists used an amyloid-degrading enzyme to clear these amyloid cobwebs from the brain - as illustrated in these treated (below) versus untreated (above) brain images. (Credit: Image courtesy of ...

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Brain’s Impaired Ability To Sense Glucose Might Play Role In Type 2 Diabetes

Saturday, December 6, 2008 9:10

Drs. Roberto Coppari (right) and Joel Elmquist have discovered in mice that defects in the brain’s ability to respond to glucose could play a role in the development of non-insulin dependent (type 2) diabetes. (Credit: Image courtesy of UT Southwestern Medical Center) The new study, ...

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Bleeding, Not Inflammation, Is Major Cause Of Early Lung Infection Death

Saturday, December 6, 2008 8:23

S. Pneumoniae Bacteria (Credit: Image courtesy of University of Rochester Medical Center) The study reveals for the first time that a toxin released by bacteria causes severe bleeding in the lungs by patients with pneumococcal pneumonia. It is the bleeding, the authors argue, not inflammation ...

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Biosensors To Probe The Metals Menace

Saturday, December 6, 2008 6:39

Scientists are developing water organisms that can act as an early warning tool for air and water contamination. (Credit: Image courtesy of CRC CARE) Researchers from CRC CARE are pioneering a world-first technology to warn people if their local water or air is contaminated with ...

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Molecular Pathway May Predict Chemotherapy Effectiveness

Saturday, December 6, 2008 4:17

Michael Reed, MD, and William Zagorski of UC’s surgery department study the role of the RB tumor suppressor in lung cancer. (Credit: Image courtesy of University of Cincinnati) Known as the retinoblastoma (RB) tumor suppressor, this fundamental molecule regulates cell proliferation in the body. Research ...

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Genome Study Shines Light On Genetic Link To Height

Saturday, December 6, 2008 3:17

Researchers have pinpointed a genetic variant associated with human height -- the first consistent genetic link to be reported. (Credit: Image designed by Bang Wong, Broad Institute) The findings, published in Nature Genetics, stem from a large-scale effort led by scientists at the Broad Institute ...

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’Skinny Gene’ Exists

Saturday, December 6, 2008 2:01

Dr. Jonathan Graff led a research team which found that a single gene might control whether or not individuals tend to accumulate fat. (Credit: Image courtesy of UT Southwestern Medical Center) "From worms to mammals, this gene controls fat formation," said Dr. Jonathan Graff, associate ...

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Wrestler Chris Benoit Brain’s Forensic Exam Consistent With Numerous Brain Injuries

Friday, December 5, 2008 23:37

Top: Slide detailing x600 magnification of immunostained neocortex in a non-CTE damaged brain. Bottom: Slide detailing x600 magnification of Chris Benoit’s tau-immunostained neocortex showing neurofibrillary tangles, neuritic threads, and several ghost tangles indicating CTE. (Credit: Image courtesy of Sports Legacy Institute) The Sports Legacy ...

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New ’Knock-out’ Gene Model Provides Molecular Clues To Breast Cancer

Friday, December 5, 2008 18:46

Yuxin Feng, David Manka, PhD, and Sohaib Khan, PhD, have developed a estrogen receptor gene knock-out mouse model. (Credit: Image courtesy of University of Cincinnati) About a decade ago, U.S. scientists at the National Institutes of Health (NIH) developed a standard estrogen receptor (ER) ...

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’Rain Man’ Mice Provide Model For Autism

Friday, December 5, 2008 18:28

Dr. Thomas Südhof (Credit: Image courtesy of UT Southwestern Medical Center) The researchers’ study also shows how the mutation affects nerve function and provides an animal model that might allow further study of the debilitating condition. "It’s an attempt to replicate, as best we can, a ...

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Device To Predict Proper Light Exposure For Human Health

Friday, December 5, 2008 17:16

By wearing this small, wireless device being developed by scientists in Rensselaer’s Lighting Research Center, users can monitor their daily rest and activity pattern as well as exposure to circadian light. The tool will have the capacity to communicate with the user in ...

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Embryonic Stem Cells Thrive When Shaken

Friday, December 5, 2008 17:04

Left: These are embryonic stem cells grown under normal static conditions. Note that they are not uniform and clump together. Right: These are embryonic stem cells that have experienced a mild rotary motion (or shaking). Note that they are much more uniform and ...

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New Drug Paradigm: Liquid Crystal Pharmaceuticals

Friday, December 5, 2008 16:40

Chun-che Tsai of Kent State (above), along with fellow researchers Jim Jamison of Summa Health System and Tom Miller of IC-MedTech Inc., have developed a new paradigm in drug discovery based on the pharmacologic properties of liquid crystals. (Credit: Image courtesy of Kent ...

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Women Less Likely Than Men To Change Habits That Increase Heart Disease Risk

Friday, December 5, 2008 16:03

Dr. Amit Khera led research showing that women - even those with a history of cardiovascular disease in their families — are less likely than men to change unhealthy habits such as smoking and infrequent physical activity. (Credit: Image courtesy of UT Southwestern Medical ...

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Pediatricians May Miss Developmental Delays, But Parents Can Help

Friday, December 5, 2008 15:00

Hollie Hix-Small and Dr. Kevin Marks, who led an effort to improve physician referrals of children with mild developmental delays, show the 12-month and 24-month versions of the Ages & Stages Questionnaires used in a yearlong project. (Credit: Image courtesy of University of ...

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Fever Causing Headaches For Australian Parents

Friday, December 5, 2008 14:57

New Australian research suggests there is widespread confusion in the community about managing children’s fevers. (Credit: Image courtesy of Queensland University of Technology) QUT senior research fellow Anne Walsh conducted the first study into how Australian parents’ manage childhood fever as part of her PhD. ...

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New DNA-based Technique For Assembly Of Nano- And Micro-sized Particles

Friday, December 5, 2008 12:20

(From left) Dmytro Nykypanchuk and Mathew Maye load a sample into an atomic force microscope while Daniel van der Lelie and Oleg Gang review data at Brookhaven Labs Center for Functional Nanomaterials. (Credit: Image courtesy of DOE/Brookhaven National Laboratory) The method, based on designed ...

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Nanotechnology Identifies Peptide ’Fingerprint’ In Both Forms Of ALS

Friday, December 5, 2008 11:50

A nanospray emitter developed by chemist Troy Wood, above, has identified a common molecular signature in familial and sporadic forms of Lou Gehrig’s disease. (Credit: Image courtesy of University at Buffalo) It is the first time that a common molecular signature has been found ...

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Leading-edge Body Sensor Could Help Produce Sporting Champions

Friday, December 5, 2008 10:23

"Ear to the ground -- data collected by the new sensor will translate directly into improved athletics performance." (Credit: Image courtesy of Engineering and Physical Sciences Research Council) Cufflink-sized and clipped behind the wearer’s ear, the sensor is unique in two key respects. First, ...

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New Approach To Fighting Obesity And Diabetes: Analyze Starches

Friday, December 5, 2008 9:37

Professor Gilbert (left) and Dr Patrice Castignolles. (Credit: Image courtesy of University Of Queensland) UQ researcher Professor Bob Gilbert said that while an unhealthy lifestyle and poor eating habits were significant factors in Australia’s obesity and diabetes epidemics, they were not entirely to blame. "An ...

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Photoacoustic Images Add Valuable Information To Conventional Mammography

Friday, December 5, 2008 9:19

Photoacoustic image showing a ring shaped area indicating tumor vascularisation. This is the image of an area at a depth of 12 millimeters from the breast surface. (Credit: Image courtesy of University of Twente) From first tests on patients using the ‘photoacoustic mammoscope’ developed by ...

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Bright Tumors Mean Dim Prospects

Friday, December 5, 2008 9:04

Cervical tumor PET. If a cervical tumor glows brightly in a PET scan, it’s apt to be more dangerous than dimmer tumors. (Credit: Image courtesy of Washington University in St. Louis) "We’ve seen that among patients with the same stage of cervical cancer, there ...

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