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Science News Archive June 2010


Page 7 of 24

Silencing hepatitis B virus prevent recurrence of liver cancer

Researchers at Thomas Jefferson University found that antiviral therapy prevents HCC recurrence and extends survival in CHB patients. The median survival was 60 months for those receiving antiviral therapy, compared to 12.5 months for those not receiving it.

Endoscopic findings of cytomegalovirus gastritis

A study published in the World Journal of Gastroenterology revealed endoscopic findings of CMV gastritis in seven patients after allo-SCT, with oozing, erosion, and redness more frequently documented in these cases. The researchers suggest using erosion and oozing as early markers for CMV gastritis diagnosis.

Soap operas to the rescue of biodiversity

Using television and radio to tell stories about sustainable rice farming has helped Asian farmers better conserve biodiversity. Dr. K.L. Heong's research found that building biodiversity into rice paddies can prevent pest outbreaks, reducing the need for pesticides.

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Ecological change in the abyss -- the Amperima event

Scientists have monitored rapid faunal changes in a deep-sea community off Ireland's coast, where sea cucumber populations surged in abundance. Climate-driven fluctuations in organic matter supply and nutrient quality may have triggered these events.

New medical weapons to protect against anthrax attacks

Researchers have made significant progress in developing new medical technologies to combat the anthrax threat. Promising new treatments include a long-sought inhalable vaccine that can be self-administered without a needle, as well as new antibiotics and medicines that can block the effects of anthrax toxin.

NIST team advances in translating language of nanopores

NIST scientists have developed a theoretical model to decode electrical signals generated by nanopores, enabling the identification and quantification of proteins and other molecules. This breakthrough brings us closer to realizing nanopores as a powerful diagnostic tool for medical science.

Drug mitigates toxic effects of radiation in mice

Researchers at UNC Health Care have identified a simple, non-toxic pill that decreases radiation toxicity when given after radiation exposure. The drug, called PQ, temporarily stops bone marrow cells from dividing, protecting against radiation-induced damage.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

New study links 1 in 5 deaths in Bangladesh to arsenic in the drinking water

A new study published in The Lancet found that exposure to arsenic in drinking water is linked to increased mortality rates, particularly among those with heart disease and other chronic conditions. Researchers tracked 12,000 people in Bangladesh over a decade to gather data on the health effects of arsenic exposure.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Early and aggressive arthritis treatment recommended

Researchers found that patients treated with early combination disease-modifying antirheumatic drug therapy had less radiographic damage in small joints, even after 11 years. Early and aggressive treatment achieves excellent results for most patients, especially those who achieve strict remission at 1 year.

Apple iPhone 17 Pro

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

First preliminary profile of proteins in bed bugs' saliva

Researchers analyzed bed bug saliva proteins to understand their role in feeding and potential medical applications. The study found unique enzymes that characterize the saliva profile of Cimex lectularius, a blood-feeding insect with over 250 million-year survival success.

Imaging reveals how brain fails to tune out phantom sounds of tinnitus

Researchers propose a testable model of human tinnitus suggesting that the brain's limbic system, which normally blocks sound sensations sent from non-real sources, is compromised in people with tinnitus. This could lead to new therapeutic approaches by restoring the feedback loop and eliminating phantom sounds.

Solving the puzzle of the BK ion channel

A mutation in the big-conductance potassium ion channel (BK channel) is linked to epilepsy, altering its dynamics and increasing nerve-cell excitability. The mutation makes part of the channel more rigid, allowing it to toggle open more easily.

US ranks last among 7 countries on health system performance

The US ranked last in five areas of health system performance: quality, efficiency, access, equity, and healthy lives. Affordable Care Act provisions may improve access and equity, but the country still lags behind others on measures of quality and value.

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.

Study demonstrates pine bark naturally reduces hay fever symptoms

A study demonstrates that Pycnogenol, a natural plant extract from pine bark, substantially improves symptoms of hay fever. By reducing pollen-specific antibodies and inflammation, Pycnogenol effectively relieves eye and nasal symptoms in patients with allergic rhinitis.

To predict atherosclerosis, follow the disturbed blood flow

Researchers have developed an animal model that demonstrates the initial stages of atherosclerosis can be predicted by disturbed blood flow. The study identifies genes turned on or off in response to disrupted flow, providing new insights into how exercise may protect against the disease.

Fluke 87V Industrial Digital Multimeter

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

'Ghost particle' sized up by cosmologists

New results from a galaxy survey set the smallest upper limit on the size of the elusive neutrino particle to date at 0.28 electron volts. The research uses a large 3D map of galaxies and cosmic microwave background radiation, providing insights into dark matter.

Quantum simulations uncoverhydrogen's phase transitions

Researchers used quantum simulations to study hydrogen's behavior under extreme pressure, discovering a discontinuous transition between molecular and atomic states. The critical point occurs at high temperatures and pressures, near 3100°F and 1 million atmospheres.

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.

CIMIT announces $3 million in medical research grants

CIMIT has awarded over $3 million in seed grants to support innovative medical research projects targeting brain injuries, pain management and improving care for wounded warriors. The selected projects aim to accelerate medical innovation and improve patient care through novel approaches and clinical systems.

Underinsured African-American women have worse breast cancer outcomes

African-American women have more advanced breast cancer at diagnosis and poorer survival outcomes compared to non-Hispanic whites. Despite similar surgical care and adjuvant therapy, African-Americans experience lower overall and breast cancer-specific survival rates due to socio-demographic factors.

Oxidative and nitrosative stress contribute to lupus disease activity

Researchers found higher levels of oxidative and nitrosative stress markers, including anti-MDA and anti-HNE antibodies, in SLE patients with greater disease activity. These biomarkers suggest an imbalance between reactive oxygen and nitrogen species production and antioxidant defense mechanisms in SLE.

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.

Jetting off without the jet lag

A new study has identified a key role for adrenal glucocorticoids in resetting the internal body clock, a finding that could lead to new treatments for jet lag. The research also highlights the importance of timing and location in regulating circadian rhythms.

JCI table of contents: June 23, 2010

Researchers have found that modulating the adrenal gland's production of glucocorticoid hormones can regulate the resetting of the internal body clock, providing a new potential therapy for jet lag. This discovery also has implications for those who suffer from rotating shift work and its associated health problems.

Polio research gives new insight into tackling vaccine-derived poliovirus

A new study has shown that a vaccine-derived strain of poliovirus can be as easily transmitted and likely to cause severe disease as wild-type poliovirus. Vaccination with trivalent OPV is highly effective in preventing paralysis by this serotype 2 cVDPV, making it crucial for efforts to eradicate polio continue.

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.

Scientists grow new lungs using 'skeletons' of old ones

Researchers from the University of Texas Medical Branch at Galveston have successfully grown new lung tissue using embryonic stem cells and decellularized rat lungs. The breakthrough, published in Tissue Engineering Part A, paves the way for potential applications in treating severe lung disorders such as cystic fibrosis.

Every fifth scientific article now available openly on the internet

A recent study found that 20.4% of peer-reviewed articles published in 2008 were freely available online, with the highest share in Earth Sciences (33%) and the lowest in Chemistry (13%). The study suggests that author-posted manuscript copies dominate certain fields, while OA journals are more common in Medicine and Biochemistry.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Tests help predict falls in Parkinson's disease

A study published in Neurology found that a combination of tests can predict falls in people with Parkinson's disease. The tests evaluated overall symptoms, balance, and mobility, showing a sensitivity of 78% and specificity of 84%. Implementing these tests can help identify those at risk of falling and prevent injuries.

Subchondral bone changes contribute to cartilage damage and loss

A recent study found that subchondral bone mineral density positively predicts cartilage defect development at the medial tibial site, but not cartilage loss. Researchers believe subchondral bone changes and loss of cartilage contribute to osteoarthritis, a condition affecting millions worldwide.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Depth charge: Using atomic force microscopy to study subsurface structures

Researchers at NIST have developed a technique using atomic force microscopy to study subsurface conditions in nanostructured composite materials. The method, which uses electrostatic forces, allows for the mapping of electric potential distribution and quantification of carbon nanotube concentrations.

Ignoring stress leads recovering addicts to more cravings

Researchers discovered that recovering addicts who avoid coping with stress experience more cravings and are more likely to relapse. The study found that avoidance coping strategies can weaken a person's ability to deal with stress, leading to increased cravings.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Knocked of balance by a defect in the cellular process autophagy

Researchers found autophagy is crucial for inner ear development and balance sensing in mice, suggesting potential therapeutic approaches for human balance disorders. The study's findings indicate a role for autophagy in functions beyond degrading cellular constituents.

Researchers study value of chicken litter in cotton production

Agricultural Research Service study finds chicken litter has a value of about $78 a ton, compared to traditional synthetic fertilizers, resulting in 12% higher cotton yields and increased farmer profits. The research also shows farmers can further increase profits by using less fertilizer.

Studies confirm presence, severity of pollution in national parks

Two studies confirm widespread pollution in national parks across the Western United States, with pesticides being a major concern. The research found high levels of polycyclic aromatic hydrocarbons (PAHs) near industrial sites, posing health risks to humans and wildlife.

Celestron NexStar 8SE Computerized Telescope

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

Gap in preventive care exists among Latinos, study shows

Researchers at UCLA found that Latinos from Central and South America and those from Mexico are more likely to experience low levels of preventive care, with lower rates of basic screenings such as colorectal cancer screening and influenza vaccinations. Addressing this gap could help reduce healthcare costs by promoting targeted interv...

Timely technology sees tiny transitions

A new technique developed by Rice University researchers can detect the movement of single molecules over hours using plasmonic properties of nanoparticles. This method is label-free and permanent, enabling the tracking of molecular interactions at the single-molecule limit.

Informal childcare curbs chances of infants being breastfed

Research published in Archives of Disease in Childhood found that informal childcare arrangements significantly reduced the likelihood of breastfeeding, affecting all strata of society. Around a third of infants were breastfed for at least four months.

University of Denver neuropsychologist says most concussions deliver 95g's

University of Denver neuropsychologist Kim Gorgens states that most concussions deliver a significant force of 95g to the human body upon impact. This is significantly lower than the average football player's g-force, which reaches 103g during gameplay. The event also featured other notable speakers discussing pressing global issues.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.