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Science News Archive November 2013


Page 22 of 30

Single-cell genome sequencing gets better

Researchers at UC San Diego have developed a new single-cell genome sequencing technique that confines genome amplification to fluid-filled wells with a volume of just 12 nanoliters. This approach enables the generation of more complete genome sequences from single cells, including E. coli and individual neurons from the human brain.

Apple iPhone 17 Pro

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

Un-junking junk DNA

A study led by UC San Diego scientists reveals a new way in which RNA-binding proteins govern regulated gene expression, expanding potential targets for therapies. The discovery challenges existing models and has implications for the treatment of neurodevelopmental disorders and certain cancers.

Research by Saint Louis University scientists offers way to disrupt fibrosis

Scientists at Saint Louis University have discovered a potential novel therapeutic approach to treat fibrotic diseases by targeting the Transforming Growth Factor (TGF) beta protein. Removing a gene that makes alpha v integrins blocks TGF beta activation, and treatment with a small molecule compound replicates this effect.

Kidney damage in first responders linked to 9/11

A significant link has been found between high levels of exposure to particulate matter by first responders at Ground Zero and the development of kidney damage. Albuminuria, a sign of kidney disease, was significantly higher in those with high exposure levels.

Fluke 87V Industrial Digital Multimeter

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You want fries with that? Don't go there

A new Dartmouth study suggests that chronic dieters overeat when their brain regions that balance impulsive behavior and self-control are disrupted. This depletion reduces a person's ability to engage in self-control by reducing connectivity between brain regions involved in cognitive control and rewards.

Kidney Week 2013: New innovations in clinical science

Recent studies highlight the effects of combination therapy with ACE inhibitors and ARBs on kidney function decline and cardiovascular events. Additionally, genetic variants of the APOL1 gene are found to increase CKD progression in African Americans.

Nikon Monarch 5 8x42 Binoculars

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Gene hastens kidney disease progression in African-Americans

A recent study has found that the APOL1 gene variant is independently associated with a more aggressive course of disease, particularly in African-Americans. The variant is linked to twice the rate of CKD progression and loss of kidney function in those with chronic kidney disease.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Acid levels in the diet could have profound effects on kidney health

Studies suggest that consuming more fruits and vegetables can counteract the negative effects of dietary acid on kidney health. Research found that individuals with hypertensive nephropathy who received extra fruits and vegetables or an oral alkaline medication experienced preserved kidney health, while those with high dietary acid lev...

Preeclampsia during pregnancy may be linked with kidney failure risk

A new study links preeclampsia during pregnancy to a higher risk of developing kidney failure. Researchers analyzed data from Olmsted County, MN and found that individuals with preeclampsia were more likely to develop kidney failure later in life, but this association was attenuated when diabetes and hypertension were considered.

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.

Gene puts African-Americans at higher risk for kidney failure

Genetic variants in the APOL1 gene increase the risk of kidney disease progression and end-stage renal disease in African Americans. Approximately 1 in 10 blacks possess high-risk variants, which speed up kidney disease progression and substantially increase the risk of developing kidney failure.

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.

Repurposed drug may be first targeted treatment for serious kidney disease

A new study finds that treatment with abatacept appears to halt the course of focal segmental glomerulosclerosis (FSGS) in patients, preventing proteinuria and promoting remission. Abatacept has been shown to be effective in treating patients with recurrent disease and those at high risk for kidney failure.

Next-generation semiconductors synthesis

Researchers have created a method for producing high-quality aluminum nitride (AlN) layers with atomic-scale thickness and at half the temperature of other methods. This breakthrough expands the potential for new advanced specialty materials in next-generation electronics.

Tracking young salmon's first moves in the ocean

Young salmon scatter in all directions after entering the ocean, contrary to previous assumptions that most head north immediately. The study provides critical insights into salmon behavior and factors influencing survival, such as water temperature and predator presence.

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.

High bat mortality from wind turbines

A new estimate suggests that more than 600,000 bats likely died from wind turbine collisions in the contiguous US in 2012. Bat populations are already under stress due to climate change and disease, making this figure particularly worrisome for their already slow growth rates.

JCI early table of contents for Nov. 8, 2013

Researchers found that inhibiting ion channel TRPC5 limits kidney filtration loss after injury, suggesting a new therapeutic target. The study demonstrates the protective effects of TRPC5 inhibition on kidney function and provides hope for treating kidney failure.

NIH launches trial of investigational genital herpes vaccine

The National Institute of Allergy and Infectious Diseases is sponsoring a Phase I clinical trial for an investigational genital herpes vaccine candidate, called HSV529. The trial aims to test the safety and immune response of the vaccine in adults aged 18-40 with previous HSV-2 or HSV-1 infections.

In animal study, 'cold turkey' withdrawal from drugs triggers mental decline

A recent animal study from Georgetown University Medical Center suggests that 'cold turkey' withdrawal from morphine can trigger a decline in mental health. Researchers found that treating addicted animals with morphine both increased protective CCL5 protein and decreased pro-inflammatory cytokines, suggesting a beneficial effect.

You can have a food allergy, and eat it too

Researchers suggest that specific parts of food can be safe for consumption in individuals with food allergies, and substitutes can be eaten safely. For example, someone with an egg allergy may be able to tolerate egg yolk but not the whites.

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.

Edited RNA + invasive DNA add individuality

A new study reveals that edited RNA and invasive DNA contribute to individual variation in humans by regulating gene expression. The study found a 20% difference in life span and eye color between individuals with varying levels of ADAR activity.

A new scorpion species from ancient Lycia

A new scorpion species, Euscorpius lycius, has been discovered in the ancient Lycia region of Turkey, adding to the total of five known species within the genus. The newly found species is relatively small, ranging from 2-2.5 cm in length and has a pale color with darker pedipalps.

Hubble catches stellar explosions in NGC 6984

Astronomers observed two nearby supernovae, SN 2012im and SN 2013ek, in spiral galaxy NGC 6984 using NASA's Hubble space telescope. The recent image reveals the second star that has exploded, forming a new Type Ib supernova visible near the center of the galaxy.

Polish Academy Of Sciences awards LSUHSC's Bazan Medal

Nicolas G. Bazan, MD, PhD, receives the Polish Academy of Sciences' Professor Miroslaw M. Mossakowski Medal for his groundbreaking work on neurodegenerative diseases. Bazan's contributions to research on Alzheimer's, stroke, and other conditions have led to the development of multiple patented therapies.

SAMSUNG T9 Portable SSD 2TB

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Reducing 2.1 million emergency room visits, 1 count at a time

A new study suggests that asthma inhalers with dose counters can significantly reduce emergency room visits by 55 percent. The study found that patients who use these inhalers are more likely to know if they have enough medication left and receive timely treatment, resulting in fewer severe attacks. According to the American College of...

Researchers uncover origins of cattle farming in China

Research reveals morphological and genetic evidence for cattle management in north-eastern China around 10,000 years ago. The discovery of an ancient cattle jaw with unique wear patterns and genetic signatures suggests that humans may have started domesticating cows in more regions than previously believed.

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.

Gut reaction

Researchers found that diet complexity affects gut bacteria composition, with complex diets promoting beneficial Lactobacillales and simple diets increasing harmful Proteobacteria. The study suggests steroid hormone nuclear receptors play a role in microbiota maintenance.

NASA's TRMM satellite sees Super-typhoon Haiyan strike Philippines

The NASA TRMM satellite captured detailed data on Super-typhoon Haiyan before it struck the Philippines, revealing sustained winds of up to 195 mph. The storm's extreme power was showcased in the satellite imagery, with a well-defined eye surrounded by moderate rain and multiple rainbands.

NSF awards to UT Arlington researchers will fuel sustainable solutions

The University of Texas at Arlington has been awarded $49 million in grants from the National Science Foundation for sustainable chemistry and engineering projects. Researchers Fred MacDonnell and Qiming Zhang are working on converting carbon dioxide to methanol using solar power and developing more efficient solar cell technologies.

Mother's immunosuppressive medications not likely to put fetus at risk

A Vanderbilt study found that women with chronic autoimmune diseases who take immunosuppressive medications during their first trimester of pregnancy are not putting their babies at significantly increased risk of adverse outcomes. The study included over 600 infants and used health plan data from three geographically diverse health pl...

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.

Battle against resistant bacteria takes huge leap forward

A new method developed in collaboration with Unisensor A/S can determine the optimal antibiotic treatment for a given bacterial infection within 2-4 hours, reducing the response time by half. This faster diagnosis can help prevent the development of resistant bacteria and shorten disease courses.

Instrument neglect can lead to 'saxophone lung' in musicians

Researchers warn of the dangers of neglecting to clean reed instruments, which can lead to Saxophone Lung, an allergic pulmonary disease caused by specific fungi. Proper diagnosis is crucial, as corticosteroids alone are insufficient in treating this condition.

Depression therapy effective for poor, minority moms

A new study finds that short-term depression therapy through weekly home visits can relieve symptoms in low-income minority mothers, even in the face of poverty and trauma. The intervention improved depressive symptoms for 8 months after treatment ended, with participants regaining a sense of hope and control over their lives.

Anaphylaxis from shrimp allergy is rare in children

Anaphylaxis from shrimp allergy is rare in children, affecting only 7.8 percent of cases, according to a study. The most common reactions are angioedema and skin symptoms like hives, with asthma being a potential risk factor for anaphylactic reactions.

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.

Volunteers join scientists in finding out who gets rid of cow dung

A team of scientists collaborated with local volunteers to measure dung decomposition across Finland. Large tunnelling Dor beetles were found to remove dung twice as fast as smaller dung-dwelling beetles and earthworms. Climate also played a significant role in dung disappearance.

Snap to attention: Polymers that react and move to light

Researchers at the University of Pittsburgh have developed polymers that 'snap' when triggered by light, converting light energy into mechanical work. This phenomenon enables flexible devices with potential applications in robotics and biomedical engineering.

Novel LEDs pave the way to cheaper displays

Researchers have developed a novel type of OLED that shows promise for high conversion efficiencies, potentially leading to cheaper displays. The new compounds can store electrical energy for longer periods, allowing for more efficient light generation and reduced heat production.

Biochar and water to solve problems in West Africa

A new research project led by Aarhus University scientists aims to improve agricultural production in Ghana using irrigation and biochar. The initiative seeks to increase crop yields, reduce deforestation, and protect the environment while providing more employment opportunities and a better economy for local communities.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

CTCA doctor featured expert speaker at Society for Immunotherapy of Cancer

Dr. Walter Quan from Cancer Treatment Centers of America (CTCA) presents two new treatment options for previously-treated advanced cancer patients, showing major benefits with minimal side effects. The first treatment involves combination chemoimmunotherapy, while the second utilizes dose-dense outpatient intravenous Interleukin-2.

Vitamin D supplements may improve kidney transplant recipients' health

A study of 264 kidney transplant recipients found that vitamin D supplementation was associated with improved patient outcomes, including lower risk of organ rejection and death. The research suggests that maintaining adequate vitamin D levels may be crucial for optimal health in kidney transplant patients.