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Science News Archive 2010


Page 34 of 283

JCI online early table of contents: Nov. 15, 2010

A team of researchers identified the gene Trib1 in mice, which regulates lipid production by the liver. Overexpression of Trib1 decreased blood lipids, while lack of Trib1 increased them. This suggests that TRIB1 is responsible for associations between chromosome 8 and lipid levels.

When pride in achievement leads to a large order of fries

A new study published in Journal of Consumer Research explores how pride affects consumer self-control decisions. Researchers discovered that pride has two opposing forces: one promotes indulgence and the other facilitates self-control.

Adding pharmacists to docs' offices helps patient outcomes, study shows

A University of Alberta study found that including pharmacists in primary care teams leads to significant drops in blood pressure among patients with Type 2 diabetes. The collaboration enables direct discussion between healthcare professionals, resulting in better medication management and reduced cardiovascular risk.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Surgical instruments left in children rarely fatal, but dangerous

A study by Johns Hopkins Children's Center found that surgical items left behind during surgeries on children are rare but expensive mistakes, adding 8 days to hospital stays and $36,000 in extra charges. The risk of such errors varies depending on the type of surgery and patient age.

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.

Study examines surgeons' stress related to surgery and night duty

A study of 66 surgeons found that duration of surgery and blood loss are associated with increased stress scores, while night duty is linked to lower stress arousal scores. The authors argue that improving working conditions for surgeons, including reducing night duty, can lead to better patient care and reduced errors.

New research changes understanding of C4 plant evolution

A new analysis of fossilized grass-pollen grains from ancient European lake and sea bottoms has found that C4 grasses existed 14 million years ago, prior to the previously believed Oligocene epoch. This discovery sheds light on the evolution of these highly productive plants.

Use of AEDs in hospitals for cardiac arrest not linked with improved survival

A study published in JAMA found that using automated external defibrillators (AEDs) in hospital settings does not improve survival rates for patients experiencing cardiac arrest. The analysis, which included over 11,700 hospitalized patients, showed a 15% lower rate of survival among those who received AED treatment.

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.

Natural compound shows promise against Huntington's disease

Researchers at the Salk Institute found that fisetin slows the onset of motor problems and delays death in three models of Huntington's disease. The study suggests that fisetin may be able to slow down the progression of the disease in humans, improving quality of life for those affected.

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.

Important brain area organized by color and orientation

Researchers found that brain area V4 is divided into separate regions for different colors and orientations, with distinct processing domains for shape and surface properties. This compartmentalization has significant implications for understanding visual object recognition and attention.

Nanoengineers aim to grow tissues with functional blood vessels

Researchers are developing a manufacturing platform to produce biodegradable frames that mimic nature's fine-grained details, including vasculature. The goal is to grow replacement cardiac tissues for people who have suffered a heart attack, and create better systems for growing and studying cells in the laboratory.

Umbilical cord cells may treat arthritis

Researchers have discovered that mesenchymal stem cells from umbilical cord blood can suppress inflammation and attenuate collagen-induced arthritis. The study suggests a new potential therapy for rheumatoid arthritis, which currently has limited long-term drug-free remission options.

Apple iPhone 17 Pro

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

Biochemistry of how plants resist insect attack determined

Researchers at Virginia Tech have discovered a single P450 enzyme responsible for producing two common plant volatiles that defend against insect attacks. The discovery provides new insights into the biosynthesis of these compounds and offers potential applications in improving crop pest controls.

Reaching the AHA 2020 goals: Strategies for success -- news tips

According to the American Heart Association, only 12% of men and 13% of women had all four health factors at ideal levels. Researchers found that death rates were 55% lower for participants with five to seven health factors at ideal compared to those with no health factors at ideal levels.

Clinical science: Special reports II news tips

Researchers found that injecting a platelet inhibitor directly into the heart through a coronary artery may restore blood flow more effectively than conventional administration after a severe heart attack. In contrast, erythropoietin did not reduce heart damage but may increase it in patients over 70 years old. Additionally, measuring ...

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.

T. rex's big tail was its key to speed and hunting prowess

Research by University of Alberta graduate student Scott Persons reveals T.rex's long tail was a key factor in its exceptional speed. The dinosaur's caudofemoralis muscles, attached to upper leg bones, provided the power stroke for fast forward movement.

Origin of cells associated with nerve repair discovered

Researchers have identified the origin of olfactory ensheathing cells (OECs), which promote nerve repair in the central nervous system. OECs are derived from neural crest cells, which can be grown in large quantities from adult stem cells.

Internal body clock controls fat metabolism, UCI study shows

Researchers at UCI discovered that circadian rhythms directly control PPAR-gamma, a protein essential for lipid metabolism. The discovery could lead to new pharmaceuticals targeting the specific amino acid on PPAR-gamma, offering a singular target for drug development.

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.

Mastermind steroid found in plants

Researchers have identified about a thousand brassinosteroid target genes, revealing molecular links between the steroid and various cellular functions. The study provides the first comprehensive action map for a plant hormone, accelerating basic plant science and crop research.

AAPS presents awards to exemplary researchers

The American Association of Pharmaceutical Scientists (AAPS) presented several awards to researchers and students for their contributions to the pharmaceutical sciences. The awards included AAPS Presidential Citation, Dr. Rainer Hoffman Product through Science Award, and AAPS Community Service Award among others.

Molecular evolution proves source of HIV infection in criminal cases

Researchers at Baylor College of Medicine and UT Austin used molecular evolution analysis to identify the source of HIV infections in two criminal cases. They found that a single virus, with up to 75% of infections resulting from a single ancestral strain, could be linked to the infected individuals.

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.

Change in temperature uncovers genetic cross talk in plant immunity

Researchers at the University of Missouri discovered a previously unknown level of genetic cross talk between plant proteins that fight off bacterial infections. The study found that certain proteins physically associate, enabling them to communicate danger signals to the cell's nucleus.

Clinical science: Special reports I

Researchers identified irregular heartbeat in pacemaker recipients as a potential stroke risk factor. Meanwhile, disparities in cardiovascular care persist despite healthcare reform, with African-Americans and those with lower socioeconomic status receiving fewer invasive procedures. Stress tests using exercise electrocardiography and ...

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.

Erythropoietin counteracts breast cancer treatment with herceptin

Researchers found that using erythropoietis-stimulating drugs with Herceptin resulted in reduced effectiveness of the cancer treatment. The study suggests that these drugs may activate similar downstream pathways as trastuzumab, causing antagonism between the two treatments.

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.

New way of predicting dominant seasonal flu strain

Researchers used multidimensional scaling to create a graphical plot of amino acid sequence data for all strains of H3N2, predicting the dominant strain with high accuracy. The new method can predict whether a new flu strain will become dominant as little as two weeks after its appearance in GenBank, outperforming current methods.

New tech to help protect bridges, other infrastructure from scour

Researchers at NC State University have developed a sensor that allows engineers to assess scour potential of soils without excavation. The 'in situ scour evaluation probe' (ISEP) measures scour rates and behavior, helping authorities prepare for and minimize impact of natural events.

Indian honor for York's Vice-Chancellor

Professor Brian Cantor to receive honorary membership for distinguished services in metallurgical education and research. He will also deliver a keynote memorial lecture on Multicomponent High-Entropy Alloys, honoring his late colleague P Ramachandrarao.

Brain scans detect autism's signature

Researchers at Yale University used fMRI to identify three distinct 'neural signatures' in children with autism and their unaffected siblings. These patterns, including reduced activity in certain brain regions and enhanced compensatory activity, may help with earlier and more accurate diagnosis of autism spectrum disorder.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

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.

Microsensors offer first look at whether cell mass affects growth rate

University of Illinois researchers developed microsensors that can track individual cells' masses and divisions over time. They found that cells grow faster as they grow heavier, rather than at a fixed rate throughout the cell cycle. The sensors also allow for imaging and tracking of cellular processes in conjunction with changes in mass.

Shopping religiously

A Tel Aviv University researcher discovered that a consumer's religiosity has a significant impact on their likelihood of choosing particular brands. Secular populations are more prone to defining their self-worth through loyalty to corporate brands, while religious consumers are less likely to display explicit brand preference.

Women with high job strain have 40 percent increased risk of heart disease

Research found that women with high job strain have a 40% increased risk of cardiovascular disease, including heart attacks and the need for procedures to open blocked arteries. Job insecurity was also associated with risk factors for cardiovascular disease such as high blood pressure, increased cholesterol, and excess body weight.

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.

Research uncovers extensive natural recovery after spinal cord injury

Researchers discovered that connections in the spinal cord regrew spontaneously and extensively after a mild spinal cord injury in primates, restoring 60% of original connections. This finding holds significant promise for developing new treatments for patients with spinal cord injuries.

Symptoms of obese heart failure patients improved after bariatric surgery

A Mayo Clinic study found that morbidly obese heart failure patients who underwent bariatric surgery experienced significant improvements in disease symptoms and quality of life. The surgery led to better breathing during exercise and reduced swelling in the legs, even if most patients remained obese after weight loss.

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.

Synchronizing a failing heart

A new therapeutic implant has been proven to synchronize and strengthen a fading heart beat, reducing the risk of death by 24% compared to current treatment. The device therapy, called cardiac resynchronization therapy (CRT), also improves quality of life and reduces hospital admissions for worsening heart failure.