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Science News Archive 2011


Page 39 of 311

Benefit of novel drug in breast cancer seen in blood within weeks

A new study found that a novel histone deacetylase inhibitor drug, entinostat, can predict clinical benefit in breast cancer patients just days after treatment. The study showed that levels of protein lysine acetylation were related to clinical benefit, with patients who had elevated levels having a reduced risk of disease progression.

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.

New way to target – and kill – proliferating tumors

Researchers at UC San Diego have identified a new class of drugs that can arrest division in virtually all tumor cells by altering the structure of the RAF enzyme. The discovery offers an effective alternative to current therapies and has shown promising results in tests on cancer cell lines, animal models, and human tissue biopsies.

Kidney disease care -- what's in store for the future?

Two studies presented at the American Society of Nephrology's Annual Kidney Week highlight concerns about dialysis clinic closures and their impact on patients' quality of life. The new initiative hopes to reduce new cases of chronic kidney disease and its progression, complications, disability, death, and economic costs.

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.

Intensive diabetes therapy protects Type 1 diabetics' kidneys

Researchers found that intensive diabetes therapy can preserve kidney function in patients with type 1 diabetes, preventing impaired kidney function and kidney failure. The study's results demonstrate the importance of maintaining good glucose control early in the course of type 1 diabetes to prevent long-term kidney complications.

Which diabetes drug is best for diabetics with kidney disease?

A new study by the American Society of Nephrology found that sitagliptin is safer and just as effective as glipizide in managing type 2 diabetes and chronic kidney disease. Patients taking sitagliptin also tend to lose weight, while those on glipizide often gain weight.

Can Twitter save lives?

A new study from the University of Pennsylvania School of Medicine reveals that discussions about cardiac arrest on Twitter can provide valuable opportunities for public health education. The researchers found that users frequently share information about CPR and AEDs, as well as discuss resuscitation topics in the news.

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.

FIFA, ICRS team up to keep soccer players on their feet

A new supplement of Cartilage, published by SAGE, examines the effects of articular cartilage injury and degeneration in soccer players. The supplement provides a comprehensive overview of current knowledge on cartilage injury, prevention strategies, and treatment options.

Journal receives its first paper from space

EPL has published its first paper submitted from space, detailing experiments conducted on the International Space Station by German and Russian researchers. The study reports on the measurement of the speed of sound within complex plasmas under microgravity conditions, providing new insights into material properties.

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

High blood pressure and pregnancy: Short- and long-term consequences

A mid-pregnancy test can predict preeclampsia, a late-pregnancy disorder characterized by high blood pressure and excess protein in the urine. Women with high blood pressure during pregnancy are at increased risk of experiencing high blood pressure, kidney problems, and stroke later in life.

Results of the PEPCAD-DES trial reported at TCT 2011

The PEPCAD-DES trial demonstrated paclitaxel-coated balloon angioplasty is more effective than plain old uncoated-balloon angioplasty in treating drug-eluting stent restenosis. The procedure resulted in lower late lumen loss, binary restenosis rates, and major adverse cardiac events.

Results of the REMEDEE trial reported at TCT 2011

The REMEDEE trial demonstrated that the new dual therapy stent effectively controls neointimal proliferation, with low rates of clinical events and comparable results to paclitaxel-eluting stents. The study showed non-inferiority compared to a clinically proven stent in ischemic heart disease patients.

Apple iPhone 17 Pro

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

Iowa State engineers establish national panel to advance a carbon negative economy

A national panel led by Iowa State University engineers is researching and developing technologies that capture, use and sequester carbon while enhancing food production, ecosystems, economic development and national security. The panel aims to develop an intellectual framework for a carbon negative economy by adopting a strategy of ac...

Results of the TWENTE trial reported at TCT 2011

The TWENTE trial demonstrated non-inferiority between zotarolimus- and everolimus-eluting stents, with low rates of target vessel failure and stent thrombosis. The study showed similar efficacy in a broad patient population with complex lesions and 'off-label' indications.

Tales from the crypt

Researchers at the University of Pennsylvania School of Medicine have discovered that two types of intestinal stem cells are related and can produce each other. This finding suggests that developmental pathways in human organs that regenerate quickly may be more flexible than previously appreciated.

Results of the ADVISE trial reported at TCT 2011

The ADVISE trial demonstrated that instantaneous wave-free ratio (iFR) is comparable to fractional flow reserve (FFR) without the use of adenosine. The study found excellent diagnostic efficiency and correlation between iFR and FFR, with potential clinical implications for improving patient experience and workflow in cath labs.

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.

Results of the NEXT clinical trial Reported at TCT 2011

Researchers found that polymer-free amphilimus-eluting stents resulted in significantly lower in-stent late loss at six months compared to paclitaxel-eluting stents. The trial, NEXT, demonstrated non-inferiority of these stents in de novo native coronary artery lesions.

Gene switch for odorant receptors

Scientists have identified a gene switch that regulates the choice of odorant receptor genes in olfactory sensory neurons. Regulatory elements in the genome act as on-off switches to determine which gene is chosen for expression.

Researchers gain insight into 100-year-old Haber-Bosch process

A team of chemists has gained new understanding of the Haber-Bosch process, which converts atmospheric nitrogen into ammonia. By mimicking the process in solution using an iron-potassium complex, they discovered that three iron atoms break the strong N-N bonds to form a complex with Fe3N2 core.

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.

Study finds shifting disease burden following universal Hib vaccination

The study reveals that while the Hib vaccine has reduced Hib disease in young children, other strains of the bacteria continue to cause substantial disease in older adults and infants. The burden of disease is highest among the elderly and youngest age groups, with nearly a quarter of cases being fatal.

Results of the ROTAXUS trial reported at TCT 2011

A clinical trial testing rotational atherectomy prior to implantation of a drug-eluting stent found that the process was not superior to standard balloon angioplasty and decreased the efficacy of the stent. Rotablation followed by drug-eluting stenting is not supported by randomized studies in complex calcified lesions.

Diseased hearts to heal themselves in future

Researchers identify oncostatin M as a key player in the self-healing powers of the heart, allowing damaged heart muscle cells to reversion and produce new cells. This discovery holds promise for treating heart disease, but further research is needed to pinpoint the precise window of application.

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.

Woodsmoke from cooking fires linked to pneumonia

Researchers discovered a one-third reduction in severe pneumonia among young children in homes equipped with smoke-reducing chimneys. Exposure to open fires and dirty cooking stoves increases respiratory infections, affecting billions worldwide.

Results of the EVOLVE trial reported at TCT 2011

The EVOLVE trial found that a bioabsorbable polymer stent was non-inferior to traditional durable polymer stents in treating de novo coronary artery disease, with lower rates of late events and reduced need for dual antiplatelet therapy.

Take care with pain meds

Chronic opioid users have longer hospital stays, more post-surgical pain and complications, and are less likely to recover fully after knee replacement surgery. Researchers recommend strategies such as weaning patients off strong opioids prior to surgery to improve patient outcomes.

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.

Use of GBIF helps clarify environment-species links

A massive set of mammal data from GBIF helped quantify the influence of environmental factors on species presence. The study found that climate is the biggest factor influencing mammal species communities at larger scales, while land use and land cover become more important at smaller scales.

Results of the PROFI study reported at TCT 2011

The PROFI trial found that proximal balloon occlusion resulted in fewer cerebral ischemic lesions compared to filter protection during carotid artery stenting. This reduction was associated with a lower risk of stroke and other major adverse cardiovascular events.

Results of the COBRA trial reported at TCT 2011

The COBRA trial found that cryoplasty post-dilation decreases the risk of in-stent restenosis by 26.5% compared to conventional balloon angioplasty in patients with diabetes. Researchers used a cryoplasty dilatation system that simultaneously dilates and cools the vessel wall, inducing smooth muscle cell apoptosis.

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.

Eating fish can reduce the risk of diabetes

A Spanish study of 945 adults found that high fish consumption was linked to lower glucose concentrations and a reduced risk of developing diabetes. In contrast, excessive red meat consumption was associated with increased weight gain, obesity, and higher cardiovascular risk.

Depression in young people increases risk of heart disease mortality

A nationwide study finds depression and a history of suicide attempts in young people markedly increase their risk for dying from heart disease. Women are particularly at risk, with a three times higher risk of cardiovascular disease and 14 times higher risk of ischemic heart disease.

I-mode powers up on alcator C-mod tokamak

Scientists at MIT's Alcator C-Mod tokamak reactor have successfully maintained I-mode operation over a wider power range. This breakthrough could enable the application of I-mode to larger ITER projects and future fusion reactors.

Flexible rack systems sort molecules

A new method has been developed to separate enantiomers, which are pairs of molecules with a mirror-inverted structure. The method uses porous molecular organic frameworks (MOFs) to sort molecules, allowing for rapid and efficient separation of enantiomers in pharmaceutical production.

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.

Large-scale jaw pain study sheds light on pain disorders

A large-scale clinical study has provided insights into the causes of temporomandibular joint disorders, known as TMD, and identified demographic, biological, psychological, and genetic factors associated with chronic cases. The study's findings may lead to new methods of diagnosing facial pain conditions and predicting susceptibility.

Mid-ocean creatures control light to avoid becoming snacks

Researchers at Duke University discovered that certain mid-ocean creatures can control their reflection by changing skin pigments in response to blue light. This allows them to avoid predators using searchlights, such as squid and octopuses that use this tactic to catch prey.

Researchers closer to the super bug puzzle

A new study published in PLoS Pathogens reveals that Staphylococcus aureus can develop resistance to the last-line antibiotic vancomycin by acquiring a single mutation in its DNA. This discovery highlights the high adaptability of Staph and emphasizes the need to improve antibiotic treatment strategies for serious bacterial infections.

Fluke 87V Industrial Digital Multimeter

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

Video simulation puts a new twist on fusion plasma research

Researchers at the Princeton Plasma Physics Laboratory have created a video simulation showcasing the complex dynamics of a plasma pulse within an experimental fusion machine, offering new insights into particle confinement and magnetic field manipulation. The simulation provides a detailed 3D picture of the plasma, allowing researcher...

Results of the DEB-AMI Trial reported at TCT 2011

The DEB-AMI trial found that drug-eluting balloons with bare metal stents did not meet the primary endpoint of reduced late lumen loss compared to drug-eluting stents. The study also showed that these procedures may induce more pronounced morphological changes, resulting in inferior angiographical and clinical outcomes.

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.

Feeling the heat: 30 tons of fine control for fusion plasmas

Researchers installed a movable 30-ton particle-beam heating system to develop fusion plasmas that can burn indefinitely. The system allows scientists to vary the spatial distribution of the plasma current to maintain optimal conditions for sustaining high-temperature plasmas needed for fusion energy production.

Scientists defuse the 'Vietnam time bomb'

An international team of scientists discovered how a bacterial pathogen kills cells by preventing protein synthesis, paving the way for novel therapies to combat melioidosis. The study, led by the University of Sheffield, used intense X-rays to solve the structure of a protein from Burkholderia pseudomallei.