Articles tagged with Scientific Journals
A new mouse model of lung cancer has been developed that replicates the resistance of human lung cancer cells to certain treatments. The study identified secondary mutations in the EGFR gene that contribute to this resistance, which may be targetable with specific drugs.
A study published in the World Journal of Gastroenterology found that PEG placement does not guarantee elimination of gastroesophageal reflux. The researchers identified factors contributing to GER persistence, including reflux esophagitis and altered gastroesophageal flap valve function.
Peliosis hepatis, a rare pathological entity, can lead to spontaneous liver rupture, a life-threatening condition that necessitates prompt medical intervention. The case report highlights the importance of considering PH in patients with risk factors, emphasizing the need for early diagnosis and treatment to prevent severe complications.
Researchers investigated manometric measurements in patients with isolated distal reflux (IDR) to compare findings in those with erosive esophagitis and non-erosive esophagitis. IEM was observed only in patients with erosive disease, suggesting a potential pathophysiological link.
The December 2009 Geosphere issue examines the Stateline fault along the California-Nevada border, revealing right-lateral deformation and extension. The study also investigates crystal-rich magmas of the Tuolumne batholith in the Sierra Nevada range, exploring magma chamber formation and physical processes.
A recent study by researchers from the University of Extremadura found a significant imbalance between male and female scientists in research articles. Women account for as little as 10-15% of overall authorship, 12-20% of lead authors, and 6-17% of last-position signatories.
Michael Crickmore's prize-winning essay describes his research on the molecular basis of size differences in animals. He found that a delicate balance of size-regulating genes and signaling pathways control tissue development and shape specialized cells.
Researchers have identified three chemicals – betaine, glutamate, and succinate – produced by a bacterium that cause coral bleaching. These substances are involved in the transformation of harmless marine bacteria into killers that choke off corals' energy supply.
A study published in Management Science found that presenting small gains alongside large losses can improve decision-making by reducing mental pain. The 'Silver Lining Effect' suggests that people prefer separating positive and negative information to mitigate the impact of loss, with more pronounced effects for larger losses.
Scientists discover that smaller tectonic structures near larger faults in southeast Spain partially offset the risk of earthquakes, reducing seismic activity. By studying fossils and geological data, researchers found that these small faults help relax energy associated with plate convergence.
Researchers found that key employee migration reduces an organization's competitive advantage, even in superior organizations with established routines. The loss of strategic knowledge through employee migration allows rival firms to develop competitive responses.
A study found that fructose-sorbitol (F-S) ingestion provoked gastrointestinal symptoms in over half of female ED patients, with a significant difference in response between underweight and normal-weight individuals. The response was specific for F-S and more common in anorexia nervosa patients.
Patients with more bile duct visualization on imaging studies and fewer liver metastases had greater bile output after biliary drainage. However, daily observation of bile output and serum bilirubin reduction is crucial for determining procedure success.
A Spanish study detects counterfeit euros using optical mouse sensors, with 79% of 2008 European coins found to be two-euro coins. The system compares images captured by the sensor with reference images from genuine coins, allowing for accurate detection.
A study published in the World Journal of Gastroenterology found that vardenafil has dose-dependent gastroprotective effects against NSAID-induced peptic ulcer. This suggests that vardenafil may be used as a potential therapeutic drug to prevent NSAID-induced gastric ulcer formation.
The Journal of Dairy Science, the official journal of the American Dairy Science Association, has been selected as a new publisher by Elsevier. With an Impact Factor of 2.486 and 5-year Impact Factor of 2.978, it ranks first in agriculture, dairy and animal science category.
A new study investigates the effects of light intensity on pecan leaves throughout the growing season. The research found that shade leaves are less effective in assimilating CO2 than sun leaves, but maintain late-season photosynthetic capacity. This discovery may help commercial growers develop new canopy and crop management practices.
Research shows women exiting welfare have similar marriage rates to those without welfare. The temporary disincentive to marry while receiving benefits may be reduced by allowing spouses' earnings not affect eligibility. Researchers observed over 3,000 women and debunked long-standing debates on the impact of poverty on family values.
Researchers find that removing fruit from 'Pixie' mandarin trees reduces floral intensity of return bloom by inhibiting budbreak. Growers can investigate degrees of fruit thinning or pruning to mitigate alternate bearing, which is exacerbated by holding fruit on the tree to extend commercial harvest period.
A recent study found that a person's facial width-to-height ratio can be used to predict their tendency towards aggression. Volunteers rated the aggressiveness of male faces and found high correlation between the rating and the face's WHR, suggesting that subtle differences in face shape may affect personality judgments.
A study published in the World Journal of Gastroenterology investigated whether children can tolerate surgery without fasting. The results showed that children can handle the stress of surgery when fed up to 2 hours before surgery, indicating no significant difference between short and long periods of fasting.
A 33-year-old woman accidentally swallowed a 15 cm long spoon while attempting to remove a fish bone from her pharynx. The spoon was found in the lower mid-abdomen on an urgent plain abdominal radiograph and successfully removed during exploratory laparotomy, revealing it had passed into the jejunum after 200 cm of the ligament of Treitz.
A study published in the Journal of Marital and Family Therapy reveals that problem gambling has a profound impact on families, affecting their physical, emotional, and financial well-being. The authors emphasize the need for family-based therapy solutions to address this growing issue.
A study published in World Journal of Gastroenterology found that long-term proton pump inhibitor (PPI) treatment can lead to weight gain in patients with gastroesophageal reflux disease (GERD). The research highlights the importance of lifestyle modifications, such as dietary changes and weight management, to mitigate this effect. By ...
The HRS technology combines space sensors with ground and air measurements to provide advance warnings of natural disasters such as forest fires. It can also identify water contamination, pollution spills and monsoon strikes, offering valuable insights for property developers and authorities.
The Journal of the American Academy of Child and Adolescent Psychiatry will be published by Elsevier starting with Volume 49, Number 1 in January 2010. The journal aims to extend its reach and support translation of scientific discovery into improved patient care.
The use of external teleradiology services (EOTSs) has slowed in recent years, contradicting predictions of market expansion. Many radiology practices that initially adopted EOTSs have since stopped using them, suggesting a possible decline in their widespread adoption.
Thomas A. Wright, K-State professor and Jon Wefald Leadership Chair, was named a Fellow of the American Psychological Association for outstanding contributions to the field of psychology. He is also a Fellow in two other prestigious organizations, marking a rare achievement by a single scholar.
Small-for-size graft dysfunction can occur in liver transplant patients with a graft-to-recipient body weight ratio above 0.8%. The study found that patients with a high GV/SLV ratio were more likely to develop early graft dysfunction, highlighting the importance of prompt recognition and timely treatment.
A recent study found that Americans express strong concern about socio-economic based health disparities and support government intervention to address them. However, there is less public support for reducing racially-based disparities, with many attributing these differences to genetic factors.
New research from the University of California, Berkeley and the University of Southern California found a direct link between supervisors' self-perceived incompetence and aggression. The study challenges previous assumptions that abusive bosses are solely driven by ambition.
The American Society for Aesthetic Plastic Surgery (ASAPS) has partnered with SAGE to publish the Aesthetic Surgery Journal, a peer-reviewed international journal focusing on scientific developments and clinical techniques in aesthetic surgery. The journal will cover topics relevant to safe and effective practice of aesthetic surgery.
New research shows vitamin A is crucial for mitochondrial energy production, while excessive use can cause cell growth and death issues. Vitamin A plays a key role in regulating energy production, but its overuse or deficiency can have devastating consequences.
Four national groups of surgeons recommend changes in resident environment, including a reduction of duty-hours standards proposed in 2003. The changes aim to balance patient care and surgical education needs.
The American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America will present the 2009 fellows at a special ceremony in Pittsburgh. The fellows were chosen for their professional achievements and meritorious service, with only 0.3% of members selected.
The US Chamber of Commerce's annual surveys have been criticized for their inaccuracies and biases, raising concerns about the reliability of their rankings. Theodore Eisenberg's analysis suggests that the surveys may be more of an advocacy tool for tort reform rather than a genuine assessment of state judiciaries.
A two-year study of 100 untrained adult women reveals that playing soccer improves maximal oxygen uptake, muscle mass, and physical performance compared to running. The study also shows that soccer's fixed time and place make it easier for women to stick to their training than running.
Researchers found that administering interleukin-6 through a nasal spray improves memory consolidation during late night REM sleep cycles, particularly for emotional and procedural memories. The study involved 17 healthy young men who received either the nasal spray or a placebo fluid after reading an emotional or neutral short story.
A study by psychiatrist Szabolcs Kéri found a clear link between neuregulin 1 gene variant and increased creativity. Volunteers with the specific variant scored higher on creativity assessments and reported greater lifetime creative achievements.
Research found that native English speakers who learned Hindi or Zulu as children retained the ability to quickly relearn and correctly identify phonemes from these languages, even if they didn't speak them anymore. Exposure to foreign languages in childhood has a lasting impact on speech perception.
Green roofs can capture more than 55,000 tons of carbon per urban area of one million people, reducing greenhouse gas emissions and fighting climate change. The study found that green roofs not only absorb CO2 but also reduce heating costs and retain stormwater.
An international body of earth scientists has agreed to move the Quaternary age boundary by 800,000 years, formalizing a natural event marking the start of global climate cooling. This decision ends decades of controversy and provides a fixed point for geological research.
Researchers found that scientists combine model-based cognitive problem-solving with creativity to develop a better understanding of the system under investigation. This approach allows scientists to build real-world models and make predictions, leading to novel problem solutions.
Researchers developed a modified catheter with side holes and slits to reduce the force of contrast material exiting the end hole. The study found a nine to 30 percent reduction in velocity and a more cloud-like dispersal of contrast material, resulting in improved patient safety.
Research shows consumers develop specific rules for sharing personal data online, influencing retailers' data mining practices. Understanding these rules is crucial to improving online experiences and products.
Raptorex displays all the hallmarks of Tyrannosaurus rex, including a large head and tiny arms, at about 100th the size that would eventually become T. rex. This suggests that tyrannosaur design evolved at a small body size, with larger animals developing later.
A new species of tyrannosauroid dinosaur, Raptorex kriegsteini, has been discovered in China that predates the Tyrannosaurus rex by tens of millions of years. The fossil, which is only three meters long, exhibits the same physical traits as T. rex, including an oversized skull and powerful jaws.
A study published in the World Journal of Gastroenterology evaluated 76 cases of living donor liver transplantation and found that the Chengdu formula is reliable. The other formulas, such as Fan and Heinemann, underestimated liver volume, while Urata and Lee overestimated it.
The study investigates proficiency level in laparoscopic splenectomy using the learning curve method, finding a horizontal lazy S-shape with two distinct slopes. Surgeons can be accepted as proficient after performing at least 25 cases, contrary to the widely accepted 'L' shape.
A new study finds that cognitive stress can significantly impact decision making, leading participants to overlook information predicting negative outcomes. Under pressure, individuals may rely on past rewards rather than rational considerations, resulting in irrational biases.
A new study by Management Insights suggests that Iraq veterans may be experiencing a PTSD rate of up to 35%, doubling the expected rate due to delayed onset and subsequent deployments. The Institute for Operations Research and the Management Sciences calls for increased mental health resources to care for returning troops.
A study by psychologists found that individuals with strong moral convictions tend to distrust authorities' decisions, while those with high religiosity trust them. Participants based their trust on gut reactions rather than thoughtful deliberation.
Researchers found that enlarged fat cells and a higher waist-to-height ratio are key indicators of future diabetes in women. The study, published in the FASEB Journal, provides a simple tool for identifying women at risk of developing type 2 diabetes.
A French team identified a 'Goldilocks dose' of DHA (200mg/day) that affects biochemical markers predicting cardiovascular problems. Regular DHA consumption is likely to improve cardiovascular health, especially in aging-related issues.
A study published in Psychological Science found that carrying a heavy clipboard increased volunteers' judgment of the value of foreign currencies and the importance of social justice issues. The researchers propose that this effect may be linked to embodied cognition, where bodily experiences shape mental processes.
Researchers at the University of Haifa have developed a handwriting-based tool that measures physical properties of handwriting to detect deception. The tool shows promise in replacing verbal-based methods such as polygraphs, providing greater accuracy and ease for law enforcement.
A new study finds that abstainers are more likely to report symptoms of depression than moderate drinkers, with those labeling themselves as 'abstainers' at the highest risk. Other factors like age and social isolation may contribute to this increased risk.
Researchers found that acute transient hepatocellular injury occurs in patients with cholelithiasis and cholecystitis without evidence of CBD stones, resolving within weeks after surgery. Markers of liver damage are more severe in those with CBD stones or histologically less severe inflammation.
A rare case of duodenal obstruction after successful embolization for duodenal diverticular hemorrhage was reported. The study highlights the importance of thorough observation of resolving hematomas and conservative treatment before surgery to relieve duodenal fibrotic encasement.
Researchers at the University of Texas at San Antonio have published an 11-minute video in JoVE to demonstrate their novel hormone extraction technique. The video provides a clear format for communicating complex scientific experiments and has received nearly 3,000 views since its publication.