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Science News Archive September 2008


Page 5 of 24

LOH analysis on 4q in sporadic colorectal carcinoma

Researchers found a significant relationship between loss of heterozygosity (LOH) frequencies on the D4S3018 locus and larger tumor size. Additionally, LOH at the D4S1534 locus was linked to liver metastasis in sporadic colorectal carcinoma patients.

A promising anti-cancer compound

Researchers developed a secretory Apoptin fusion protein that induces apoptosis in hepatocellular carcinoma HepG2 cells, offering new potential for cancer gene therapy. The study's findings suggest the therapeutic usage of Apoptin may be increased with its secretory characteristic.

Video game to help meet new high school graduation requirements

Researchers at NC State University have developed a video game program called GRADUATE to help North Carolina high school students fulfill the state's new graduation project requirement. The program aims to foster science achievement and IT skills while motivating students to pursue STEM degrees and careers.

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.

CAPHOSOL(R) unveils positive final data

The study found that CAPHOSOL treatment significantly limits the occurrence and severity of oral mucositis, with high levels of medication compliance and patient/physician satisfaction reported. Compliance was very high, with nearly all patients rinsing with CAPHOSOL at least once daily.

On the move: Personality influences migration patterns

Studies found that people with high sociability tend to migrate to urban areas over long distances, while those with high activity have a tendency to move both urban and rural locales. Emotional individuals are more likely to move away from home but don't migrate far or often.

USC: gamers play against type

A USC survey of 7,000 EverQuest II players found that older players were more typical, with playing time increasing with age. Women logged more hours in the game and were less likely to quit, while also exercising regularly. The study suggests that online gaming may not compromise mental health, contrary to stereotypes.

Cochlear implants in children a safe procedure

A new study has found that cochlear implantation in children is a safe procedure, with complications occurring at a rate below 3%. The researchers also reported very low device failure rates, making the procedure an attractive option for families. Continuous follow-up is critical to ensure optimal outcomes.

Personality can hamper a physician's assessment of depression

A study by University of Rochester Medical Center researchers found that physicians' personalities, particularly dutifulness and vulnerability, influence their approach to assessing depression. High dutifulness is associated with fewer questions about depression, while high vulnerability is linked to more accurate diagnoses.

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.

What are the clinical features of ineffective esophageal motility?

A study published in World Journal of Gastroenterology found that patients with ineffective oesophageal motility exhibiting different contractile patterns experience distinct symptoms, including heartburn and dysphagia. The research suggests the possibility of tailored treatment strategies for selected IOM patients.

Fishy diet in early infancy cuts eczema risk

Research published in Archives of Disease in Childhood found that an infant diet including fish before 9 months significantly cuts the risk of developing eczema. The study also discovered that owning a pet bird was associated with a reduced risk of the condition.

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.

Black Americans are at higher risk for colon polyps

A new study published in JAMA found that black Americans have a higher occurrence of colon polyps compared to white patients. The research suggests that black men and women are at greater risk for serious polyps, emphasizing the importance of regular screening among this demographic.

What's the difference between a liberal and conservative?

A new Northwestern University study finds that liberals fear a barren, lifeless world without deep feelings and intense experiences, while conservatives fear chaos and societal collapse. The research sheds light on why conservatives prefer authoritarian leaders and may explain differences in political orientation.

What is the clinical features of primary aortoenteric fistula?

Primary aortoenteric fistula (PAEF) is a rare but life-threatening condition that can cause massive gastrointestinal bleeding. PAEFs often present with a herald bleed prior to exsanguination, making early diagnosis challenging. The incidence of PAEF is likely higher than estimated, and prompt surgical intervention is crucial for survival.

CU-Boulder study suggests air quality regulations miss key pollutants

A new CU-Boulder study reveals that air quality regulations primarily target primary particles, while secondary particles formed by oxidized VOCs contribute significantly to poor air quality in the Los Angeles region. The study suggests that regulations need to focus on reducing VOC emissions from gases such as gasoline vapors.

Understanding the cycle of violence

Researchers found that children who grow up in aggressive households learn to process social information differently, leading to a higher likelihood of conflict in their own romantic relationships. The study provides insight into the developmental link between childhood exposure and adult aggression.

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.

A child dies every 3 seconds, a mother every minute

High-profile meeting at UN General Assembly tackles financing issues surrounding MDG 4 and 5; authors emphasize need for innovative financing to reduce maternal and child mortality. A child dies every 3 seconds, a mother every minute, the statement reads.

Side effects severely underreported in ENT medical journals

A new study reveals that ENT medical journals severely underreport side effects and harms, with nearly a third of clinical research articles containing no mention of adverse events. The study found that over 53% of articles failed to explicitly describe these events.

Unraveling 'math dyslexia'

Research by Daniel Ansari at the University of Western Ontario is exploring brain differences between children with math difficulties and those with both math and reading problems. Children with developmental dyscalculia show atypical activation patterns in the parietal cortex, which may lead to remediation tools to improve their lives.

Apple iPhone 17 Pro

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

Researchers find an essential gene for forming ears of corn

A team of plant geneticists has identified a gene called sparse inflorescence1 (spi1) essential in controlling the development of the maize plant's growth hormone auxin synthesis. This discovery sheds light on the complex process of organ formation and development in maize.

Vegetation hardly affected by extreme flood events

A study found that extreme flood events in 2002 had a significant impact on carabid beetle and mollusc populations, but not on plant species. The vegetation was the least affected by the flood, with some species benefiting from the increased water.

American kids most medicated

A new study found that American children are three times more likely to be prescribed psychotropic medication than their European counterparts. The differences in practice may be attributed to various factors, including diagnostic classification systems, government cost restrictions, and the use of direct-to-consumer drug advertising.

Celestron NexStar 8SE Computerized Telescope

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

Low sensitivity of clinical signatures

New research found that many published clinical genomic signatures have high specificity but very low sensitivity, making them inadequate for most clinical applications. The study suggests that a rigorous approach to evaluating signature quality is necessary to improve the accuracy of sequence-based diagnostics.

Balancing the brain

Neuroscientists identified Npas4 as the first known master switch to orchestrate inhibitory synapse formation and maintenance. This factor regulates over 200 genes involved in calming down over-excited cells, restoring balance that's thought to go awry in neurologic disorders.

NIH's Genes, Environment and Health Initiative adds 6 studies

The NIH's Genes, Environment and Health Initiative has awarded grants to six studies aiming to identify genetic factors associated with stroke, glaucoma, high blood pressure, prostate cancer, and other conditions. Genome-wide association studies will be conducted to rapidly scan DNA markers across large groups of people.

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.

Variety of foods -- the key for child nutrition

New research by Sugar Nutrition UK reveals that most children have sufficient levels of essential vitamins and minerals in their diets. The study found that even though children consume more added sugars than recommended, they still get the required amounts of most nutrients.

Chronic infection most common cause of adult tonsillectomy

A study conducted by researchers at Emory University and Johns Hopkins University found that chronic infection is the primary cause of tonsillectomy in adults. Over 50% of adult patients who underwent the procedure had chronic infection as a contributing factor, while no trends in complications emerged.

A novel therapy for bleeding gastric varices

Researchers successfully treated bleeding gastric varices using a novel sclerotherapy combining alpha-cyanoacrylate alkyl with aethoxysklerol, with no complications or re-bleeding observed in six months. The treatment was found to be an effective alternative for obliteration and eradication of gastric fundal varices.

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.

Is CA19-9 a good marker of pancreatic cancer?

Researchers found that serum CA19-9 levels correlate with TNM staging and tumor size in patients with pancreatic cancer. The study used ROC curve analysis to evaluate the clinical value of serum CA19-9 levels in predicting respectability, revealing a high accuracy of 93.1% sensitivity and 78.3% specificity.

An effective strategy for inhibition of cirrhosis

The study found that Qianggan-Rongxian decoction can inhibit hepatic fibrosis and prevent the development of cirrhosis in rats. It also showed a significant reduction in serum levels of ALT and AST, indicating liver cell protection.

How to treat abdominal compartment syndrome in acute pancreatitis?

Researchers found that administering a traditional Chinese medicine Dachengqi Decoction combined with Glauber's salt improved treatment outcomes for patients with severe acute pancreatitis and abdominal compartment syndrome. The study suggested that this therapeutic protocol can lower IAP, relax symptoms of ACS, slow disease progressio...

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.

How to select anti-hepatitis B virus agents for drug-resistance patients?

Researchers have developed a novel method to rapidly select anti-HBV agents for chronic hepatitis B patients with drug resistance. The approach involves replicating clinical HBV isolates in an in vitro model system, allowing for the identification of antiviral agents such as adefovir that can inhibit HBV replication.

Quantum measurements, precisely

The EuroQUASAR programme will develop next-generation quantum standards for precise optical clocks and inertial sensors. Researchers, including Professor Markus Arndt, are working on new methods for quantum interferometry to measure molecular details such as mass and geometry.

Weak bladders deter many young women from sports participation

Urinary stress incontinence affects many young women's lives, impacting routine and recreational activities. The condition is relatively high among women, with around 1 in 7 experiencing symptoms, and can be triggered by physical activity such as basketball or athletics.

Scientist plans to test for blood pressure genes affected by age

Researchers will examine genomes of 4,000 participants in the CARDIA Study to determine how genes influence rising blood pressure with age. The study aims to discover pathways for targeted therapeutic intervention and could lead to new treatments for cardiovascular disease.

Meta Quest 3 512GB

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

Not a moment to lose in therapy for acute stroke

Recent study findings suggest expanding thrombolysis window to up to 4.5 hours after acute ischemic stroke may lead to worsening outcomes due to irreversible tissue damage. The UCSD Stroke Center emphasizes the importance of timely treatment, highlighting the critical need for door-to-needle time during a stroke.

Looking past the 'down low:' New research

Researchers found that black bisexual men fear disclosure of their bisexuality due to perceived risks, highlighting the need for social awareness and acceptance in HIV prevention. The study suggests a shift from individual-level behavior programs to broader social and structural approaches to curb the spread of HIV.

Formula discovered for longer plant life

Researchers at the Max Planck Institute found that certain microRNAs regulate growth and aging processes in plants by inhibiting TCP transcription factors. This results in slower aging and increased lifespan, with potential applications for cultivating longer-lived and faster-growing plants.

Common COPD medications linked with increased risk of CV death, heart attack

A meta-analysis of randomized trials found that inhaled anticholinergic agents significantly increase the risk of heart attack, stroke, and cardiovascular death by 58% and 80% respectively. The study suggests clinicians closely monitor patients with COPD taking these medications for potential long-term cardiovascular risks.

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.

Is electrocautery shovel a safe and feasible tool in laparoscopic operation?

Research suggests that electrocautery shovel is a viable alternative to ultrasonically activated scalpel in laparoscopic rectal cancer operations, achieving similar clinic effects while reducing costs. The study's findings support the use of electrocautery shovel in laparoscopic surgery with proper technique and anatomical understanding.

UCLA astronomer Andrea Ghez named MacArthur Fellow

Andrea Ghez, a UCLA professor of physics and astronomy, has been selected as a MacArthur Fellow for her pioneering work on supermassive black holes and their role in shaping the evolution of galaxies. Her research has improved our understanding of these enigmatic objects and shed light on their impact on the surrounding environment.

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.

Flooding might help lower gas emission from wetlands

A study suggests that flooding wetlands can lower methane gas emissions by half compared to steady flow conditions. Researchers found that pulses of water through wetlands resulted in lower average emissions over the course of the year.

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.

Racial disparities decline for cancer in Missouri

A new report shows that racial disparities in cancer incidence are declining in Missouri, with the gap narrowing between African Americans and whites. However, racial disparities in cancer death rates remain higher for African Americans, despite efforts to reduce them.