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Science News Archive 2011 - Page 98


Page 98 of 311

BVES butts heads with colorectal cancer

Researchers at Vanderbilt University School of Medicine found that BVES regulates EMT in human colon cancer cells and is silenced via promoter methylation in human colorectal carcinoma. Restoring BVES expression decreased cancer cell characteristics.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateSep 12, 2011
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Allowing part-time surgeons may help address workforce shortage

A recent study published in the Journal of the American College of Surgeons found that part-time employment models for surgeons can promote retention and address the looming shortages in surgical specialties. By working fewer hours, surgeons may practice more years, alleviating the predicted surgeon shortage by up to 42.5%.

SourceWeber Shandwick Worldwide·JournalJournal of the American College of Surgeons·DateSep 12, 2011

High medical costs decrease 28 percent after 5 years of Transcendental Meditation practice

A study published in the American Journal of Health Promotion found that consistently practicing Transcendental Meditation resulted in a significant decrease in physician fees for high-cost individuals, with a cumulative reduction of 28% after five years. This technique has major policy implications and could help reduce healthcare costs.

SourceRoth Media·JournalAmerican Journal of Health Promotion·DateSep 12, 2011

Out of the darkness

A special digital issue featuring 150-page four-volume reports from first-person accounts of responders who were thrust into the world spotlight on September 11, 2001. The report highlights the devastating effects of 9/11 on responders' lives and relationships, as well as their reluctance to seek counseling.

SourceElsevier·JournalJEMS Journal of Emergency Medical Services·DateSep 12, 2011
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Team finds stable RNA nano-scaffold within virus core

A team of researchers has discovered a thermodynamically stable RNA nanoparticle that can serve as a platform for building larger, multifunctional nanoparticles. This breakthrough could lead to new therapeutic applications in treating cancers and viral infections.

SourceUniversity of Cincinnati·JournalNature Nanotechnology·DateSep 12, 2011

Spin pumping effect proven for the first time

Researchers at Ruhr-University Bochum demonstrated spin pumping effect in magnetic layers using ultrafast X-ray scattering. This behavior is crucial for magnetic sensors in hard disk read heads and data storage.

SourceRuhr-University Bochum·JournalApplied Physics Letters·DateSep 12, 2011

Polonium poisoning case sheds light on infection control practices

A study on Alexander Litvinenko's care reveals that hospital staff involved in routine daily activities, such as handling patient blood and urine samples, were at higher risk of radiation contamination. The findings suggest that more attention should be given to infection control practices during these daily activities.

SourceSociety for Healthcare Epidemiology of America·JournalInfection Control and Hospital Epidemiology·DateSep 12, 2011
Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Lung cancer signatures in blood samples may aid in early detection

Researchers have identified protein signatures in mouse blood samples that reflect lung cancer biology in humans, paving the way for better monitoring of tumor progression and potential early detection strategies. The study's findings also suggest that these signatures may be useful in detecting lung cancer at an earlier stage.

SourceCell Press·JournalCancer Cell·DateSep 12, 2011

Proteins could help women avoid thyroid surgery

A study aims to utilize Galectin-3 and HBME-1 proteins as biomarkers for thyroid cancer diagnosis, enabling earlier detection and reducing surgical interventions. The research has the potential to improve patient outcomes by accurately identifying patients at risk of cancer.

SourceMedical College of Georgia at Augusta University·DateSep 12, 2011

Physicist detects movement of macromolecules engineered into our food

A team of researchers led by Professor Rikard Blunck has discovered the molecular mechanism behind toxin proteins engineered into food to kill insects. The study uses a novel technique involving fluorescent light to analyze the protein's structure and behavior in artificial cell membranes.

SourceUniversity of Montreal·JournalJournal of General Physiology·DateSep 12, 2011
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

September/October 2011 Annals of Family Medicine Tip Sheet

The tip sheet highlights common barriers to depression disclosure among patients, including concerns about antidepressant prescriptions and confidentiality. It also explores the widespread use of NSAIDs by patients with chronic kidney disease, despite warnings against their use. Additionally, the article critiques long-established coro...

SourceAmerican Academy of Family Physicians·JournalThe Annals of Family Medicine·DateSep 12, 2011

Novel drug combination offers therapeutic promise for hard-to-treat cancers

Researchers at Brigham and Women's Hospital have identified a new combination of targeted therapies that successfully treat two aggressive tumor types: neurofibromatosis type 1 and KRAS-mutant lung cancer. The treatment promotes dramatic tumor regression by targeting cancer cells from two different angles.

SourceBrigham and Women's Hospital·JournalCancer Cell·DateSep 12, 2011

3 in 1: team finds the gene responsible for three forms of childhood neurodegenerative diseases

A Montreal-led international team identified the mutated gene POLR3A as responsible for three forms of leukodystrophies, a group of childhood-onset neurodegenerative disorders. The findings provide crucial insights into diagnostic tests and genetic counseling, as well as potential therapeutic strategies to replace defective genes.

SourceMcGill University·JournalAmerican Journal of Human Genetics·DateSep 12, 2011
Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Fish oil reduces effectiveness of chemotherapy

Researchers at University Medical Center Utrecht discovered that fish oil supplements containing omega-3 and omega-6 fatty acids can induce resistance to a broad spectrum of chemotherapies. The study found that the body's own protective substances, which are also present in fish oil, can block the effect of chemotherapy.

SourceUniversity Medical Center Utrecht·JournalCancer Cell·DateSep 12, 2011
Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Study reveals link between high cholesterol and Alzheimer's disease

A recent study has found a significant link between high cholesterol levels and the presence of brain plaques associated with Alzheimer's disease. Researchers tested 2,587 people aged 40-79 and found that those with high cholesterol had significantly more brain plaques than those with normal or lower cholesterol levels.

SourceAmerican Academy of Neurology·JournalNeurology·DateSep 12, 2011
Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

MIT: In plane view

Researchers create detection tool that spots flight glitches without prior knowledge of parameters to check. The technique uses cluster analysis to identify abnormal flights, allowing analysts to further inspect reports and prevent potential accidents.

SourceMassachusetts Institute of Technology·DateSep 12, 2011

Gene therapy kills breast cancer stem cells, boosts chemotherapy

Researchers developed a gene therapy that targets breast cancer stem cells, eliminating them and increasing chemotherapy effectiveness. The therapy, VISA-claudin4-BikDD, was shown to reduce tumor volume by 75% and extend survival in mice.

SourceUniversity of Texas M. D. Anderson Cancer Center·JournalCancer Cell·DateSep 12, 2011

New world record for Danish nano researchers

Researchers at the University of Copenhagen have achieved a world record in nano research by tracking the largest contraction in an inorganic molecule ever recorded. The study used time-dissolved X-ray scattering to measure the contraction of Iridium atoms, resulting in a 62% increase over the previous record.

SourceUniversity of Copenhagen·JournalInorganic Chemistry·DateSep 12, 2011
Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

JCI online early table of contents: Sept. 12, 2011

Researchers have identified the protein BVES as a suppressor of colorectal cancer progression and suggest it could be a therapeutic or preventative target. Modulating BVES expression was found to decrease cancer cell characteristics in human colon cancer cells, providing rational for targeting BVES in individuals with colorectal cancer.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateSep 12, 2011
GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

High-fat diet and lack of enzyme can lead to heart disease in mice

Researchers found that mice without the HDAC3 enzyme experience rapid thickening of the heart muscle and heart failure on a high-fat diet. This molecular link has implications for people on Western diets and combating heart disease.

SourceUniversity of Pennsylvania School of Medicine·JournalJournal of Biological Chemistry·DateSep 12, 2011

MU study finds quitting smoking enhances personality change

Researchers found that quitting smoking is associated with a decrease in impulsivity and neuroticism in young adults. Those who quit smoking also showed the biggest declines in these traits from ages 18 to 25. The study suggests targeting anti-smoking efforts at impulsivity may help young people stop smoking.

SourceUniversity of Missouri-Columbia·JournalNicotine & Tobacco Research·DateSep 12, 2011

Ferroelectrics could pave way for ultra-low power computing

Researchers at UC Berkeley have demonstrated negative capacitance in ferroelectric materials, a phenomenon that can amplify charge for a given voltage. This breakthrough has the potential to revolutionize computing by enabling the creation of low-power transistors without compromising performance.

SourceUniversity of California - Berkeley·JournalApplied Physics Letters·DateSep 12, 2011

Day/night cycle even more important to life than previously suspected

Researchers found that the circadian cycle, regulating day-night rhythms, drives gene expression in mussels more than previously thought. The tidal cycle's influence was less significant, with 80-90% of genes showing rhythmic expression linked to the circadian cycle.

SourceUniversity of Southern California·JournalProceedings of the National Academy of Sciences·DateSep 12, 2011
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Tinnitus discovery could lead to new ways to stop the ringing

Neuroscientists at UC Berkeley have discovered a new approach to treating tinnitus by retraining the brain, targeting areas that have lost input from the ear. The study also found that drugs can boost inhibitors to reduce spontaneous firing of idle neurons in the auditory cortex.

SourceUniversity of California - Berkeley·JournalProceedings of the National Academy of Sciences·DateSep 12, 2011

Unique study shows efficacy of imaging technology in evaluating heart drug dalcetrapib

Researchers used MRI and PET/CT to prove the efficacy of dalcetrapib in preventing atherosclerosis progression and reducing vascular inflammation over 24 months. The study found significant reductions in atherosclerotic disease progression and arterial inflammation, suggesting a promising new treatment for cardiovascular disease.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalThe Lancet·DateSep 12, 2011

MUTE -- Efficient city car, showcase for electromobility research

The MUTE project presents a purely electric, energy-efficient vehicle with low weight and advanced technology. Researchers from TU Muenchen created an agile two-seater with a range of at least 100 kilometers, featuring a torque vectoring differential for improved safety and dynamics.

SourceTechnical University of Munich (TUM)·DateSep 12, 2011
Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Primary component in turmeric kicks off cancer-killing mechanisms in human saliva

A pilot study using human saliva found that curcumin inhibited a critical cell signaling pathway and reduced pro-inflammatory cytokines in patients with head and neck cancers. The study suggests curcumin could be combined with other treatments to treat head and neck cancer, and may be given to high-risk patients as an adjuvant treatment.

SourceUniversity of California - Los Angeles Health Sciences·JournalClinical Cancer Research·DateSep 12, 2011

Confronting meaninglessness

A recent study investigates how individuals respond to unexpected and unsettling events, suggesting that different threat-reduction approaches can be adaptive in various situations. The researchers propose a new framework for understanding responses to such events, highlighting the importance of considering individual perspectives on t...

SourceAssociation for Psychological Science·JournalPerspectives on Psychological Science·DateSep 12, 2011

Fathers wired to provide offspring care

A new Northwestern University study confirms that human males are biologically wired to care for their offspring, showing that fatherhood significantly lowers testosterone levels. The study found that fathers who became more involved in child care experienced the largest decline in testosterone.

SourceNorthwestern University·JournalProceedings of the National Academy of Sciences·DateSep 12, 2011
Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

USDA scientists use commercial enzyme to improve grain ethanol production

Researchers discovered that a commercial enzyme can extract water from an ethanol byproduct, reducing electricity, natural gas, and energy consumption. This could significantly decrease the amount of greenhouse gases emitted during ethanol production.

SourceUnited States Department of Agriculture - Research, Education and Economics·JournalIndustrial Biotechnology·DateSep 12, 2011

A tale of (more than) 2 butterflies

Researchers studied the genetic basis of species formation in the Appalachian tiger swallowtail butterfly, a rare hybrid of Eastern and Canadian tiger swallowtails. The study reveals that hybrid speciation can create new combinations of life history and morphological traits, allowing colonization of novel environments.

SourceU.S. National Science Foundation·JournalPLOS Genetics·DateSep 12, 2011
Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Researchers find way to measure effect of Wi-Fi attacks

A new metric called order gain measures the impact of Wi-Fi attacks on network disruption, helping design effective countermeasures. The research focuses on continuous attacks targeting networks with large numbers of users.

SourceNorth Carolina State University·JournalIEEE Transactions on Mobile Computing·DateSep 12, 2011

New species of ancient predatory fish discovered

A new species of ancient predatory fish, Laccognathus embryi, has been discovered in North America during the Devonian Period. The 5-6 foot long fish had a wide head, small eyes, and robust jaws lined with large piercing teeth.

SourceAcademy of Natural Sciences of Drexel University·JournalJournal of Vertebrate Paleontology·DateSep 12, 2011