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Science News Archive December 2022 - Page 30


Page 30 of 31

Muscle wasting severity linked to type, size and location of tumor in mice

Researchers found that muscle wasting severity is related to the type, size and location of tumors in mice, with different tumors causing varying levels of wasting. The study's findings have crucial implications for understanding how different cancers affect muscle mass and developing effective treatments.

SourcePenn State·JournalJournal of Applied Physiology·DateDec 1, 2022

Commercial dishwashers destroy protective layer in gut

A new study by researchers at the Swiss Institute of Allergy and Asthma Research found that commercial dishwashers' rinse agents can damage the gut's epithelial barrier, leading to chronic diseases. The study used human intestinal organoids and analyzed the effect of detergents and rinse aids on gut cells.

SourceUniversity of Zurich·JournalJournal of Allergy and Clinical Immunology·TypeRandomized controlled/clinical trial·DateDec 1, 2022

Automated chemical reaction prediction: Now in stereo

Researchers demonstrate the expanded use of a computational method called AFIR, predicting pericyclic reactions with accurate stereoselectivity based on target product molecule information. The technique successfully handles molecules up to 52 atoms and predicts stereochemistry for reactions that break Woodward-Hoffman rules.

SourceHokkaido University·JournalJournal of the American Chemical Society·TypeExperimental study·DateDec 1, 2022
Apple iPhone 17 Pro

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

BrainHealth research demonstrates impact of virtual social training

The study found that Charisma Virtual Social Training improved recognition of emotions, inference of social intentions, understanding of perspectives, and description of pro-social qualities in youth. The research demonstrated significant benefits regardless of delivery model or ASD diagnosis status.

SourceCenter for BrainHealth·JournalFrontiers in Virtual Reality·TypeExperimental study·DateDec 1, 2022

Growers bugged by pests find help from WVU Extension

Through its Integrated Pest Management program, WVU Extension educates growers on safe techniques, including barriers, insect traps, and predatory insects. The goal is to reduce pesticide use and promote environmentally friendly practices.

SourceWest Virginia University·DateDec 1, 2022

A self-powered ingestible sensor opens new avenues for gut research

UC San Diego researchers have developed a self-powered ingestible biosensing system that provides continuous monitoring of gut metabolites, unlocking new understanding of intestinal health and its impact on human health. The battery-free sensor is powered by glucose and can measure glucose levels in the small intestine for up to 14 hours.

SourceUniversity of California - San Diego·JournalNature Communications·TypeExperimental study·DateDec 1, 2022

Step closer to tackling drug resistant parasites in Brazil

Scientists at the University of York have identified an enzyme that makes Leishmania infantum parasite resistant to miltefosine, a medication used to treat visceral leishmaniasis in Brazil. The discovery opens up potential for developing a blood test to predict patient outcome and tailor treatment to individual patients.

SourceUniversity of York·JournalEBioMedicine·DateDec 1, 2022
Celestron NexStar 8SE Computerized Telescope

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

1 in 10 women may develop hypertension for the first time after pregnancy

A new study found that 1 in 10 women without pre-existing hypertension may develop it up to a year after childbirth, highlighting the need for extended blood pressure monitoring. Mothers at highest risk include those over 35, current or former smokers, and C-section deliveries.

SourceBoston University School of Public Health·JournalHypertension·TypeObservational study·DateDec 1, 2022

University of Ottawa researchers solve 20-year-old optical light mystery

Researchers at the University of Ottawa have developed a new technique to differentiate the mirror images of a chiral molecule, a problem that was believed to be unsolvable for nearly 20 years. The team used linear polarized helical light beams to enhance sensitivity and observed differential absorption in achiral molecules.

SourceUniversity of Ottawa·JournalNature Photonics·TypeImaging analysis·DateDec 1, 2022
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 conducted at hospital in São Paulo state detects measles antibodies in only 75% of under-fifteens

A study conducted in Brazil reveals that only 75.8% of under-fifteen children in São Paulo have antibodies against measles, falling short of the ideal 94% target to prevent outbreaks. The finding is a warning sign that Brazilian children are not achieving herd immunity, making them susceptible to infection.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalVaccines·DateDec 1, 2022

Dual-energy CT metrics for differentiating adrenal adenomas

For adrenal lesions evaluated by single-phase dual-energy CT, fat fraction had significantly higher sensitivity than virtual noncontrast attenuation at both clinically optimal threshold and traditional ≤10 HU threshold. Fat fraction-derived metrics can help definitively diagnose incidental adrenal lesions as adenomas.

SourceAmerican Roentgen Ray Society·JournalAmerican Journal of Roentgenology·TypeImaging analysis·DateDec 1, 2022

New genetic mutation behind childhood glaucoma identified

Researchers discovered a genetic mutation in the THBS1 gene linked to severe childhood glaucoma, which may improve disease screening and treatment. The finding could lead to earlier diagnosis and more targeted therapies for children at risk.

SourceMass Eye and Ear·JournalJournal of Clinical Investigation·TypeExperimental study·DateDec 1, 2022

Underwater footage reveals sharks’ flexible feeding skills

Researchers identified various feeding behaviors in nurse sharks, including vertical and ventral feeding, as well as 'pectoral positioning' where they flex their pectoral fins. This adaptable behavior suggests nurse sharks can thrive on different prey across various habitats.

SourceUniversity of Exeter·JournalEnvironmental Biology of Fishes·TypeObservational study·DateDec 1, 2022
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.

Children with type 1 diabetes miss more school, study suggests

A Cardiff University-led study found that children with type 1 diabetes who struggle to manage their blood glucose levels are absent for 15 more sessions per year, compared to 7 for those with the healthiest levels. These absences result in lower educational attainment, including five grades lower in GCSEs.

SourceCardiff University·JournalDiabetes Care·TypeData/statistical analysis·DateDec 1, 2022

Study gives peek of how ketamine acts as ‘switch’ in the brain

A new study reveals ketamine dramatically changes neuronal activity patterns in the cerebral cortex, turning off active neurons and turning on silent ones. This switch in brain activity may impact our understanding of ketamine's antidepressant effects and future research in neuropsychiatry.

SourceUniversity of Pennsylvania School of Medicine·JournalNature Neuroscience·TypeImaging analysis·DateDec 1, 2022
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.

Green tea extract may harm liver in people with certain genetic variations

Research from Rutgers University suggests that high-dose green tea extract may cause liver damage in individuals with specific genetic variations. The study found that two genetic variants, COMT and UGT1A4, were associated with increased liver stress after a year of consuming the supplement.

SourceRutgers University·JournalJournal of Dietary Supplements·TypeExperimental study·DateDec 1, 2022

Adoption of front-of-pack nutrition warnings can help decrease obesity, cardiovascular disease, type-2 diabetes and some cancers in the Americas

A recent study led by the University of Nevada, Reno and the Pan American Health Organization suggests that the adoption of front-of-pack nutrition labeling can help reduce poor-nutrition related non-communicable diseases in the region. Improved FOPNL systems have been associated with improved diet quality and reduced risk of NCDs.

SourceUniversity of Nevada, Reno·JournalThe Lancet Regional Health - Americas·DateDec 1, 2022

Tiny fish could unlock big gains in tackling global malnutrition

Researchers found that small pelagic fish, such as herring and sardines, are a cheap source of nutritious seafood. These fish can provide essential micronutrients like iron, zinc, and omega-3 fatty acids to vulnerable populations in low-income countries.

SourceLancaster University·JournalNature Food·TypeData/statistical analysis·DateDec 1, 2022

Firearm injuries in kids leave lasting mental scars, study finds

A new study reveals that children who survive firearm injuries are more likely to develop mental health diagnoses, particularly stress-related conditions and substance misuse issues. The research found that 35% of firearm-injured kids received a new mental health diagnosis in the year after the incident.

SourceMichigan Medicine - University of Michigan·JournalAnnals of Surgery·TypeData/statistical analysis·DateDec 1, 2022
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.

Early life experiences can have long-lasting impact on genes

A new study found that early-life experiences can alter gene expression in fruit flies, leading to improved health and extended lifespan. The researchers discovered that changes in chromatin packaging persisted across the lifespan, counteracting normal aging processes.

SourceUniversity College London·JournalNature Aging·TypeExperimental study·DateDec 1, 2022

Hibernating corals and the microbiomes that sustain them

Researchers found that coral microbiomes shed nutrient-loving and pathogen-associated microbes while increasing nitrogen-fixing microbes during dormancy. This restructuring helps maintain the coral's microbial community structure.

SourceUniversity of California - Davis·JournalApplied and Environmental Microbiology·TypeObservational study·DateDec 1, 2022
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.

Integrated platform promises to accelerate drug discovery process

Researchers developed an integrated approach to accelerate drug discovery by combining complex datasets from two screening platforms and next-generation metabolomics analysis. The new framework identified known compounds, confirmed mechanisms of action, and discovered novel compounds with unique biological signatures.

SourceUniversity of California - Santa Cruz·JournalProceedings of the National Academy of Sciences·DateDec 1, 2022
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.

Few Americans are aware of links between alcohol and cancer risk

A study found that all types of alcoholic beverages increase cancer risk, with higher awareness for liquor than wine or beer. The researchers suggest educating the public about alcohol's link to cancer to prevent excessive use and related health issues.

SourceAmerican Association for Cancer Research·JournalCancer Epidemiology Biomarkers & Prevention·DateDec 1, 2022

New and more detailed world map of antimicrobial resistance

A new study maps the global landscape of antimicrobial resistance, revealing surprising transmissions in Sub-Saharan Africa and highlighting the need for tailored strategies to combat resistance. The research, which analyzed sewage samples from 243 cities in 101 countries, found that resistance genes are more frequently transmitted acr...

SourceTechnical University of Denmark·JournalNature Communications·DateDec 1, 2022

UNAIDS Executive Director Winnie Byanyima and Deputy Executive Director Matthew Kavanagh highlight inequalities in sex and gender, access to drugs and access to funding, as barriers to tackling AIDS and other pandemics

Inequalities in sex and gender, access to antiretroviral drugs, and inadequate funding hinder global efforts to combat AIDS and other pandemics. UNAIDS Executive Director Winnie Byanyima and Deputy Director Matthew Kavanagh emphasize these disparities as critical obstacles to effective pandemic response

SourcePLOS·JournalPLOS Global Public Health·DateDec 1, 2022

Long COVID patients and those with other illnesses experience similar, negative lingering effects during the pandemic

Research suggests that long COVID patients share similar lingering negative effects on physical, mental, and social well-being with individuals who have other illnesses. The study found moderate-to-severe residual symptoms in 40% of COVID-positive participants and 54% of those who tested negative.

SourceUniversity of California - Los Angeles Health Sciences·JournalJAMA Network Open·TypeRandomized controlled/clinical trial·DateDec 1, 2022
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.

Growing evidence for the role of the immune system in Parkinson’s disease

The latest research evidence suggests that inflammation may play a causative role in Parkinson's disease. Multiple independent studies have provided evidence of the involvement of central and peripheral immune and inflammatory processes in PD, with increasing evidence suggesting an association with autoimmune conditions.

SourceIOS Press·JournalJournal of Parkinson’s Disease·TypeSystematic review·DateDec 1, 2022

Immune T cell defence is coping with COVID-19 variants of concern – for now

Research found that while broad T-cell response against SARS-CoV-2 spike protein is currently protective, recognition of seven out of ten T-cell targets mutated in COVID-19 variants is impaired. The study suggests ongoing mutation could lead to decreased overall immune system protection.

SourceUniversity of Birmingham·JournalNature Immunology·TypeObservational study·DateDec 1, 2022
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.

Study in mice suggests that expression of estrogen-related gene can impact post-menopausal breast cancer risk and prevention strategies

A study using a mouse model found that over-expression of the Esr1 gene increased the risk of developing estrogen receptor-positive breast cancer in older women. Giving anti-hormonal drugs to mice with Esr1 over-expression lowered or reversed this risk.

SourceGeorgetown University Medical Center·JournalAmerican Journal Of Pathology·TypeExperimental study·DateDec 1, 2022

Where did Omicron come from?

Researchers found viruses with Omicron-specific mutations in COVID-19 patients in six African countries two months before the variant was detected. The study suggests that Omicron emerged gradually, evolving from existing human immunity, and spreading rapidly across Africa before global detection.

SourceCharité - Universitätsmedizin Berlin·JournalScience·DateDec 1, 2022

Making sense of coercivity in magnetic materials with machine learning

Researchers developed a new approach to analyze coercivity in soft magnetic materials using machine learning and data science. The method condenses relevant information from microscopic images into a two-dimensional feature space, visualizing the energy landscape of magnetization reversal. This study showcases how materials informatics...

SourceTokyo University of Science·JournalCommunications Physics·TypeExperimental study·DateDec 1, 2022
Meta Quest 3 512GB

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

Antiretroviral drugs for treatment, prevention of HIV infection in adults

The updated guideline provides recommendations on managing HIV infection, including changing antiviral regimens, use of preexposure prophylaxis, care for pregnant persons with HIV, people aging with HIV, and those with substance use disorder. The guidelines also address new challenges such as COVID-19 and monkeypox virus infection.

SourceJAMA Network·JournalJAMA·DateDec 1, 2022

Researchers from Insilico Medicine, University of Copenhagen, and University of Chicago unravel molecular secrets hidden in premature aging diseases and cancer using AI

Scientists used AI-driven PandaOmics platform to analyze gene expression datasets from DNA repair diseases, identifying biomarkers associated with treatment response. The study focused on genes that stratify cancer patients by survival outcomes, providing potential targets for personalized therapies.

SourceInSilico Medicine·JournalCell Death and Disease·TypeData/statistical analysis·DateDec 1, 2022
Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Five key factors affect physical activity in multi-ethnic older adults

A recent study published in Geriatrics found that age, education, social network, pain, and depression are significant predictors of physical activity in older adults. The findings suggest that modifying these factors through targeted interventions can increase physical activity levels.

SourceFlorida Atlantic University·JournalGeriatrics·TypeData/statistical analysis·DateDec 1, 2022

Women with elevated breast cancer risk could see mortality benefit from estrogen-blocking drugs

A new study suggests that estrogen-blocking drugs can not only prevent breast cancer but also reduce the risk of dying from the disease. Researchers used computer models to determine the lifetime benefits and harms of these treatments for women at high risk, finding a significant impact on mortality.

SourceGeorgetown University Medical Center·JournalJournal of Clinical Oncology·TypeComputational simulation/modeling·DateDec 1, 2022

When FMD hits a family, abdominal aortic aneurysms may too

Researchers discover a shared genetic basis between fibromuscular dysplasia (FMD) and abdominal aortic aneurysms (AAA), with males more likely to develop AAA when a family member has FMD. The study suggests that screening for AAA in male relatives of patients with FMD may be beneficial, along with established guidelines.

SourceMichigan Medicine - University of Michigan·JournalCirculation Genomic and Precision Medicine·TypeData/statistical analysis·DateDec 1, 2022

News tips from UCLA Health: New hope for deadly brain cancer; Mating patterns vs genetics; Do housing interventions improve health? Air pollution and neurodegenerative disease

Researchers at UCLA Health have made significant breakthroughs in understanding deadly brain cancer and the role of housing interventions. A study found a cancer vaccine to be highly effective in treating glioblastoma multiforme, a nearly lethal brain cancer. Additionally, a survey highlighted the need for increased diversity in gastro...

SourceUniversity of California - Los Angeles Health Sciences·JournalJAMA Oncology·TypeExperimental study·DateDec 1, 2022
Fluke 87V Industrial Digital Multimeter

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

Dr. AI, what’s my diagnosis?

A team of researchers developed a neural network that can analyze digital biopsy images to diagnose breast cancer, identifying the presence of PD-L1 protein. The AI system outperformed human pathologists in 70% of cases, with high accuracy rates and potential for personalized medicine.

SourceTechnion-Israel Institute of Technology·JournalNature Communications·TypeImaging analysis·DateDec 1, 2022

Synchronized neural oscillations in the right brain induce empathic behavior

Researchers discovered that synchronized neural oscillations in the right hemisphere of the brain induce empathic behavior in mice, allowing them to perceive and share each other's fear. The study identified the causal relationship between 5-7 Hz oscillations in the cingulo-amygdala circuit and empathic responses.

SourceInstitute for Basic Science·JournalNeuron·DateDec 1, 2022

Positively charged nanomaterials treat obesity anywhere you want

Researchers developed a new method to target and treat visceral adiposity using positively charged P-G3 nanomaterials, which inhibit unhealthy lipid storage in enlarged fat cells. This approach also rejuvenates healthy fat cells, promoting metabolically healthy fat cell formation.

SourceColumbia University School of Engineering and Applied Science·JournalNature Nanotechnology·DateDec 1, 2022
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.

CityU develops two novel hydrogen production catalysts based on mineral gel and "crystalline-amorphous" dual-phase nano-aluminium alloy

Researchers from City University of Hong Kong developed a new ultra-stable hydrogen evolution reaction electrocatalyst based on two-dimensional mineral gel nanosheets. The catalyst exhibits excellent electrocatalytic activity and long-term durability, with an overpotential of only 38.5 mV at 10 mA cm−2.

SourceCity University of Hong Kong·JournalNature Communications·TypeExperimental study·DateDec 1, 2022