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Science News Archive October 2008 - Page 19


Page 19 of 24

Scientists simulate gut reaction to arsenic exposure

Researchers at Ohio State University have developed an in-vitro method to test the digestion and absorption of arsenic-laden soil. This simulation can help determine the amount of arsenic that dissolves during digestion, allowing for more efficient assessment of contaminated sites.

SourceOhio State University·DateOct 7, 2008

Older renal cancer patients appear to benefit from sorafenib treatment

A subset analysis of a randomized trial found that older patients with renal cell carcinoma derive similar clinical benefits from sorafenib therapy as younger patients, including improved progression-free survival and quality of life. The treatment was well-tolerated regardless of age, with manageable side effects.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateOct 7, 2008

NIAID announces 25 new awards to develop radiation countermeasures

The National Institute of Allergy and Infectious Diseases (NIAID) has awarded $25 million in grants to develop new diagnostics and treatments for radiation exposure. Researchers will focus on improving the diagnosis and treatment of individuals exposed to radiation, as well as investigating the effects of radiation combined injuries.

SourceNIH/National Institute of Allergy and Infectious Diseases·DateOct 7, 2008
Apple iPhone 17 Pro

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

Study suggests LF elimination program is 'best buy in public health'

The study found that the LYF elimination programme has prevented 6.6 million children from acquiring LF and stopped another 9.5 million people already infected from progressing to more debilitating stages. The programme's success is attributed to its rapid scale-up, delivering what experts call a 'best buy' in public health.

SourcePLOS·JournalPLOS Neglected Tropical Diseases·DateOct 7, 2008

New knowledge about thermoelectric materials could give better energy efficiency

Researchers at the University of Copenhagen have discovered a new understanding of thermoelectric materials that can efficiently convert waste heat into electrical energy. This breakthrough has the potential to significantly improve fuel economy in vehicles and contribute to more environmentally friendly cooling methods.

SourceUniversity of Copenhagen·JournalNature Materials·DateOct 7, 2008

Withdrawal of life support often an imperfect compromise

A study found that sequential withdrawal of life support is more common than thought and associated with higher satisfaction among surviving family members. The study suggests that improving communication between physicians and families is key to better care.

SourceAmerican Thoracic Society·JournalAmerican Journal of Respiratory and Critical Care Medicine·DateOct 7, 2008

Stars stop forming when big galaxies collide

Astronomers have discovered evidence that high-speed collisions between large elliptical galaxies can prevent new stars from forming. The study found that gravitational interactions can heat up gas, making it difficult for stars to cool and form.

SourceYale University·JournalThe Astrophysical Journal Letters·DateOct 7, 2008
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.

Wheezing and asthma in young children

Young wheezing children are often underdiagnosed due to symptoms similar to common childhood illnesses. Asthma diagnosis is challenging, requiring assessment of symptom frequency and patterns.

SourceIndiana University·JournalClinical Pediatrics·DateOct 7, 2008

What is the pathogenesis of liver damage induced by ethanol?

Researchers explored the effects of ethanol on IGF-I system and JNK1/2 activity, revealing its role in liver damage. Ethanol exposure altered p-JNK1/2 activity, IGF-I system, and cell viability in hepatocytes.

SourceWorld Journal of Gastroenterology·JournalWorld Journal of Gastroenterology·DateOct 7, 2008
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.

Egg whites solve the 3-D problem

Researchers at Baylor College of Medicine found a solution to the high cost of commercial media for 3D cell cultures using chicken egg whites. The process enables normal and cancer cells to be grown in three dimensions, allowing scientists to study cell signaling and tumor microenvironments.

SourceBaylor College of Medicine·DateOct 7, 2008
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.

Discovering drugs, biofuels in tropical seas

A $4 million NIH-funded project led by OHSU aims to discover biologically active molecules from bacteria associated with marine mollusks in the Philippines. The project will catalog and preserve over 10,000 mollusk species, targeting potential central nervous system, cancer, and antimicrobial drugs.

SourceOregon Health & Science University·DateOct 7, 2008

How are children choosing their food portions?

A study found that children serve themselves larger portions when super-sized meals are available, but portion sizes vary by gender, ethnicity, and parental feeding practices. The researchers aim to identify factors affecting children's eating habits and promote healthy choices from an early age.

SourceTemple University·DateOct 7, 2008
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.

Why current publication practices may distort science

A team of researchers argues that current publication practices create an extreme imbalance between the abundance of supply and limited venues for publication, leading to unrepresentative results. This distortion affects the broader scientific community, as only a small proportion of research findings are selected for publication.

SourcePLOS·JournalPLOS Medicine·DateOct 6, 2008

News from Cancer: Disparities in head and neck cancer patients

A new analysis found that African Americans and those from low-income communities have poorer survival rates for head and neck cancer, with earlier diagnosis crucial to improving outcomes. The study reveals racial disparities and socio-economic inequities in cancer treatment, highlighting the need for targeted interventions.

SourceAmerican Cancer Society·JournalCancer·DateOct 6, 2008

NASA spacecraft ready to explore outer solar system

The Interstellar Boundary Explorer (IBEX) mission will conduct extremely high-altitude orbits above Earth to investigate and capture images of processes taking place at the farthest reaches of the solar system. The spacecraft will provide scientists with a new understanding of the global interaction between our sun and the galaxy.

SourceNASA/Goddard Space Flight Center·DateOct 6, 2008

African-Americans may be at higher risk of stroke-causing brain lesions

A study published in Neurology found that African-Americans are more likely to have cerebral microbleeds, which can increase the risk of having a stroke. Researchers discovered that African-Americans had 32% more microbleeds than Caucasians and were more likely to have them in certain areas of the brain.

SourceAmerican Academy of Neurology·JournalNeurology·DateOct 6, 2008
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.

New studies examine the effectiveness of probiotics in IBS

Several new studies suggest that probiotics can help improve symptoms of Irritable Bowel Syndrome (IBS), including constipation or diarrhea. The research findings indicate that probiotics may be effective in normalizing bowel movement frequency, reducing IBS-related symptoms such as abdominal pain and bloating.

SourceAmerican College of Gastroenterology·DateOct 6, 2008

Individuals with social phobia see themselves differently

Patients with generalized social phobia show increased blood flow in medial prefrontal cortex and amygdala when reading negative statements about themselves. This context-dependent response may guide future therapeutic formulations for the disorder.

SourceJAMA Network·JournalArchives of General Psychiatry·DateOct 6, 2008
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.

Mayo researchers explore issues related to multiple myeloma treatment

A study by Mayo researchers found that outpatient stem cell transplantation for multiple myeloma patients resulted in a high survival rate of 99% at 100 days. The treatment also showed significantly shorter hospital stays, with a median duration of four days for those who required some hospital care.

SourceMayo Clinic·JournalMayo Clinic Proceedings·DateOct 6, 2008

Surface tension drives segregation within cell mixtures

Researchers have developed a new three-dimensional computer model that reveals surface tension plays a crucial role in cell sorting. The study found that when minority cells make up at least 25% of the mix, they are more likely to be in direct contact with other minority cells, enhancing the surface tension effect and allowing it to dr...

SourceVanderbilt University·JournalPhysical Review Letters·DateOct 6, 2008

H. Pylori bacteria may help prevent some esophageal cancers

Research found that people with H. pylori strains carrying a gene called CagA were almost half as likely to get adenocarcinoma of the esophagus. The study suggests that declining rates of H. pylori in developed populations may contribute to the increase in esophageal adenocarcinomas.

SourceAmerican Association for Cancer Research·JournalCancer Prevention Research·DateOct 6, 2008
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.

Endoscopic therapy may offer an alternative to surgery

Researchers found that endoscopic therapy was successful in treating esophageal cancer, with a 90% success rate and low recurrence rates. Patients treated endoscopically had higher survival rates compared to those who underwent surgery.

SourceAmerican College of Gastroenterology·DateOct 6, 2008

Study examines how and why some children become chronically abused by peers

Children who are aggressive in infancy, have harsh parenting styles, and come from low-income families are more likely to be chronically victimized by peers. Research suggests that multiple forms of victimization are common among these children, including verbal bullying and social aggression.

SourceJAMA Network·JournalArchives of General Psychiatry·DateOct 6, 2008
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.

Metastatic movements in 3-D

Research reveals that blocking avb3 integrin leads to a5b1's increased trafficking and association with EGFR1, activating the Akt pathway and promoting random migration and invasive ability. This study sheds light on the mechanisms underlying metastatic movement in tumor cells.

SourceRockefeller University Press·JournalJournal of Cell Biology·DateOct 6, 2008

New blood test for Down syndrome

Researchers at Howard Hughes Medical Institute have created a non-invasive blood test that accurately detects Down syndrome and two other serious chromosomal defects. The test is more accurate than previous methods and can provide results within a few days, reducing the wait time for anxious parents.

SourceHoward Hughes Medical Institute·JournalProceedings of the National Academy of Sciences·DateOct 6, 2008

New screening technologies improve detection of polyps during colonoscopy

Two studies presented at the American College of Gastroenterology's Annual Scientific Meeting highlight new technologies that improve the detection of colorectal polyps and flat lesions. The Retroscope device was found to significantly increase polyp detection, while narrow band imaging improved detection of flat or depressed lesions.

SourceAmerican College of Gastroenterology·DateOct 6, 2008
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.

Future looks bleak for 1 of world's smallest seal species

The Caspian seal population has dropped from over 1 million to just 100,000 due to commercial hunting, habitat degradation, and pollution. Conservation efforts are underway to establish protected areas and ban hunting to prevent further decline.

SourceUniversity of Leeds·JournalAMBIO·DateOct 6, 2008

Embargoed news from Annals of Internal Medicine

The US Preventive Services Task Force (USPSTF) recommends high-intensity behavioral counseling for all sexually active individuals at increased risk for STIs. The new stool DNA test is twice as effective at detecting colon cancer and polyps than previous tests, showing promise for improved screening effectiveness.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateOct 6, 2008

Age-related macular degeneration: New gene association identified

A genetic association with SERPING1 has been found to be strongly linked to age-related macular degeneration, a leading cause of visual impairment and blindness. The study's findings have significant implications for the development of novel treatments for this devastating disease.

SourceThe Lancet_DELETED·JournalThe Lancet·DateOct 6, 2008
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.

New prenatal test for down syndrome less risky than amniocentesis, Stanford/Packard scientists say

Researchers at Stanford University have developed a new prenatal test for Down syndrome that requires only a maternal blood sample, significantly reducing the risk of miscarriage. The test uses fragments of fetal DNA in the woman's blood to detect chromosomal disorders and could provide an earlier diagnosis than current methods.

SourceStanford Medicine·JournalProceedings of the National Academy of Sciences·DateOct 6, 2008

Mayo Clinic collaborates to advance Crohn's treatment

A Mayo Clinic-led study finds that infliximab administered alone or in combination with azathioprine is more effective for moderate to severe Crohn's disease than azathioprine alone. The study demonstrates improved patient outcomes, including higher remission rates and mucosal healing.

SourceMayo Clinic·DateOct 6, 2008

Nanoscopic screening process to speed drug discovery

Researchers at Wake Forest University are using nanotechnology to screen millions of chemicals simultaneously for cancer-fighting properties. The 'Lab-on-Bead' process uses tiny plastic beads to identify potential drugs faster and more efficiently than current methods.

SourceWake Forest University·DateOct 6, 2008
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.

Metabolic syndrome ups colorectal cancer risk

Patients with metabolic syndrome have a significantly higher lifetime risk of colorectal cancer compared to those without the condition. The American College of Gastroenterology recommends closely adhering to published guidelines for colorectal cancer screening.

SourceAmerican College of Gastroenterology·DateOct 6, 2008

NASA study finds rising Arctic storm activity sways sea ice, climate

A NASA study confirms a link between rising Arctic storm activity and accelerated sea ice drift, which may serve as a negative feedback mechanism for global warming. The research suggests that the Arctic's capacity to absorb carbon dioxide could increase, offering a potential solution to climate change.

SourceNASA/Goddard Space Flight Center·JournalGeophysical Research Letters·DateOct 6, 2008

Traumatic brain injury common amongst homeless people

A study of over 900 homeless individuals in Toronto found that 58% of men and 42% of women had a history of traumatic brain injury, leading to poorer physical and mental health status. The findings suggest that traumatic brain injury may be a causal factor contributing to homelessness through cognitive or behavioral sequelae.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateOct 6, 2008
Fluke 87V Industrial Digital Multimeter

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

Children's asthma affected by parental expectations

A study found that children with high parental expectations for normal functioning have less severe asthma symptoms and use medications correctly. Parents' perceptions play a key role in controlling their child's asthma, particularly if they follow a routine for taking medication.

SourceHarvard Medical School·JournalPEDIATRICS·DateOct 6, 2008

C. difficile and antibiotics not necessarily linked

A new study by Dr. Sandra Dial challenges the long-held assumption that antibiotic use is always a precursor to C. difficile infections. Researchers found that approximately 53% of community-acquired C. difficile infections were not related to antibiotic use, highlighting the need for further investigation into other risk factors.

SourceMcGill University Health Centre·JournalCanadian Medical Association Journal·DateOct 6, 2008