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Science News Archive 2022 - Page 173


Page 173 of 448

Towards higher nanopatterning resolution with molecules that fill nanogaps better

A research group from Tokyo University of Science has discovered molecular features that govern the filling process at nanoscales, enabling finer resolutions in ultraviolet nanoimprint lithography. The findings provide valuable insights for guiding the selection and design of optimized resists for sub-10 nm resolution.

SourceTokyo University of Science·JournalNanomaterials·TypeComputational simulation/modeling·DateAug 8, 2022

Ben-Gurion University plant biologist is figuring out how wild wheat protects itself from insects

Researchers at Ben-Gurion University have discovered two defense methods in wild emmer wheat that can protect cultivated wheat from insects. The wheat produces a poison called benzoxazinoid and has a coating of 'hairs' that prevent insects from burrowing, allowing for improved pest resistance

SourceBen-Gurion University of the Negev·JournalJournal of Experimental Biology·TypeExperimental study·DateAug 8, 2022

Cystic fibrosis -- Causal treatment suitable from childhood

A new combination drug therapy addressing the disorder's underlying defects has been found to be beneficial for primary school-aged children with cystic fibrosis. The study, conducted at Charité – Universitätsmedizin Berlin, confirmed that earlier treatment can slow disease progression and improve lung function and quality of life.

SourceCharité - Universitätsmedizin Berlin·JournalAmerican Journal of Respiratory and Critical Care Medicine·DateAug 8, 2022

Coarse sea spray keeps lightning strikes away

Researchers at Hebrew University of Jerusalem discovered that coarse sea spray significantly reduces the amount of lightning in storm clouds. The study found that aerosols larger than 1 micron, or coarse sea spray, inhibit lightning by up to 90%, while smaller aerosols actually increase lightning and affect rainfall.

SourceThe Hebrew University of Jerusalem·JournalNature Communications·TypeImaging analysis·DateAug 8, 2022

UCLA researchers use artificial intelligence tools to speed critical information on drug overdose deaths

Researchers used natural language processing and machine learning to analyze nearly 35,500 death records, identifying the most common substances involved in overdose deaths. The system reduced data processing time by months, allowing for more rapid public health responses and interventions.

SourceUniversity of California - Los Angeles Health Sciences·JournalJAMA Network Open·TypeData/statistical analysis·DateAug 8, 2022

Efforts to save money on prescription drugs associated with increased stroke risk for seniors

A new study by the University of Southern California found that formulary restrictions and prior authorization policies can limit access to life-saving medications like NOACs, leading to increased stroke risk. The research suggests that these policies may be 'penny wise and pound foolish' for patients with atrial fibrillation.

SourceUniversity of Southern California·JournalThe American Journal of Managed Care·TypeData/statistical analysis·DateAug 8, 2022

Value placed on resources and decisions in farming in Ethiopia differs across genders, study reveals

A new study published in the CABI Agriculture & Bioscience journal found that women place greater importance on autonomous social relations, while men value financial-related decisions. Psychological well-being is an important resource for both genders, and location plays a significant role in shaping empowerment resources.

SourceCABI·JournalCABI Agriculture and Bioscience·TypeExperimental study·DateAug 8, 2022

COVID-19 lockdown may have increased suicidal thoughts

A new study found that COVID-19 lockdowns significantly increased suicidal ideation and suicide attempts among patients with serious mental illness in Serbia. The study also highlighted the need for protections to mitigate mental health consequences during future lockdowns.

SourceDe Gruyter·JournalOpen Medicine·TypeObservational study·DateAug 8, 2022

Is brain fog limited to humans?

A study found that brain fog-like impairment is a problem in many animal species due to infection and disease, including humans. Cognitive impairments have been observed in birds, bees, rats, and other species, with various causes such as parasite damage, immune response, and malnutrition.

SourceHamilton College·JournalCell·TypeLiterature review·DateAug 8, 2022

Combining techniques to create more environmentally friendly, heat resistant, and transparent plastics

Researchers at Nagoya University have developed a new technique for creating polymers with controlled molecular weight and high optical activity. The discovery uses a combination of living cationic polymerization and asymmetric cationic polymerization, resulting in optically active polymers with unique properties.

SourceNagoya University·JournalJournal of the American Chemical Society·DateAug 8, 2022

United Kingdom-based smoking cessation program reports that 30 percent of support in a lung cancer screening program: the Yorkshire Enhanced Stop Smoking Study (YESS)

A UK-based smoking cessation program, YESS, reported a 30% abstinence rate among patients with lung cancer who participated in a personalized support program. The study found that women achieved higher quit rates compared to men, highlighting the need for continued support.

Into the brain of comb jellies: Scientists explore the evolution of neurons

A new study reveals key clues about the form of the most ancestral nervous system and how it first evolved. Researchers found that neurons, possibly the most complicated cell type ever to evolve, share similar structures with comb jellies and other ancient animal lineages.

SourceOkinawa Institute of Science and Technology (OIST) Graduate University·JournalNature Ecology & Evolution·TypeExperimental study·DateAug 8, 2022

The novel leucine-rich repeat receptor-like kinase MRK1 regulates resistance to multiple stresses in tomato

Researchers found that leucine-rich repeat receptor-like kinase MRK1 in tomatoes positively regulates responses to multiple stresses. The study showed that MRK1 is involved in plant defenses against bacterial pathogens and environmental stress, and its expression was induced by cold and heat stress as well as pathogen attacks.

Education with goal-oriented activities motivates students to choose fruits and vegetables

A new study published in the Journal of Nutrition Education and Behavior reveals that education with goal-oriented activities can motivate college students to make healthier choices. The intervention, which included food challenges and cooking videos, increased confidence in using fruits and vegetables in cooking and consumption outcomes.

SourceElsevier·JournalJournal of Nutrition Education and Behavior·TypeSurvey·DateAug 8, 2022

A heat-sensitive calcium channel gets positive feedback

Researchers at Osaka University discovered that mutant variants of the RyR1 calcium channel protein are more sensitive to heat than normal proteins, leading to a cycle of activation that can cause malignant hyperthermia. This finding provides new insight into the condition and could lead to preventive and treatment strategies.

SourceOsaka University·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateAug 8, 2022

Combining sauna and exercise lowers cardiovascular disease risk more than just exercise

Combining sauna and exercise for eight weeks improves cardiorespiratory fitness, lowers systolic blood pressure and total cholesterol levels compared to regular exercise alone. The study found the sauna-exercise combination to be superior in reducing cardiovascular disease risk factors.

SourceUniversity of Jyväskylä - Jyväskylän yliopisto·JournalAmerican Journal of Physiology-Legacy Content·TypeRandomized controlled/clinical trial·DateAug 8, 2022

Rapid warming in the Gulf of Maine reverses 900 years of cooling

New research reveals that rapid warming in the Gulf of Maine has reversed a 900-year cooling trend, with climate model simulations indicating that greenhouse gas forcings are causing surface temperature changes and changes in ocean circulation. The study's findings have significant implications for the region's ecosystems and fisheries.

SourceWoods Hole Oceanographic Institution·JournalCommunications Earth & Environment·DateAug 8, 2022

Aldosterone linked to increased risk of chronic kidney disease progression and end-stage kidney disease

Higher aldosterone concentrations are associated with lower eGFR, lower potassium levels in blood, and higher potassium and protein concentrations in urine. The risk of CKD worsening was independent of diabetes status. Finerenone may help prevent CKD progression by targeting aldosterone's action.

SourceEuropean Society of Cardiology·JournalEuropean Heart Journal·TypeObservational study·DateAug 8, 2022

NADIM II trial provides further support for neoadjuvant chemoimmunotherapy for patients with resectable non-small cell lung cancer

The NADIM II trial demonstrates the efficacy of neoadjuvant chemoimmunotherapy in patients with resectable stage IIIA NSCLC, with improved progression-free survival and overall survival rates seen with nivolumab plus chemotherapy. Patients with positive PD-L1 expression showed enhanced benefits.

New target for therapies to treat preterm labour

Researchers have discovered that Piezo1 is responsible for regulating the uterus's behavior during pregnancy, keeping it relaxed and ensuring proper expansion. The identification of Piezo1 paves the way for developing drugs and therapies to treat or delay preterm labour, a major cause of neonatal mortality and morbidity.

SourceThe Physiological Society·JournalThe Journal of Physiology·TypeExperimental study·DateAug 8, 2022

Digital security dialogue

A team of researchers from the University of Tokyo developed a system called DualCheck, which replaces traditional human verification tasks with educational content on online safety and ethics. Trials showed that users responded positively to the experience and felt they gained something from these microlearning sessions.

SourceUniversity of Tokyo·TypeExperimental study·DateAug 8, 2022

Neuroregeneration in multiple sclerosis

Researchers at Heinrich-Heine University Duesseldorf discovered that corticosteroid Medrysone promotes oligodendroglial cell replacement and myelin sheath restoration. Astrocytes play a surprising role in mediating this effect, with some promoting tissue repair and others contributing to lesion formation.

SourceHeinrich-Heine University Duesseldorf·JournalEBioMedicine·TypeExperimental study·DateAug 8, 2022

Why do men face a higher risk of most types of cancer than women?

A recent study published by Wiley suggests that biological sex differences are the primary reason for higher cancer rates in men compared to women. The study analyzed data from 171,274 males and 122,826 females aged 50-71 years and found that incidence was lower in men only for thyroid and gallbladder cancers.

SourceWiley·JournalCancer·DateAug 8, 2022

Can scratches on car surfaces disappear when exposed to sunlight? : A new self-healing coating material

A new transparent protective coating material can self-heal in 30 minutes when exposed to sunlight, satisfying durability and color requirements. The developed material uses a dynamic chemical bond and photothermal dye to repeat the dissociation and recombination of polymer structures.

SourceNational Research Council of Science & Technology·JournalACS Applied Polymer Materials·DateAug 8, 2022

Tumor bulk-RNA seq identifies patients at high risk of progression in non-complete pathological responders from NADIM trial

A study analyzing surgical tissue samples from patients with stage IIIA NSCLC found that high AKT expression and activated dendritic cells were associated with lower progression-free survival and overall survival. The immune expression signature identified could help follow-up and therapeutic management of high-risk patients.

CodeBreaK 100/101: first report of safety/efficacy of sotorasib in combination with pembrolizumab or atezolizumab in advanced KRAS p.G12C NSCLC

Combining sotorasib with pembrolizumab or atezolizumab demonstrated durable clinical activity, lower treatment-related adverse events, and improved overall survival in patients with advanced KRAS p.G12C NSCLC. The study showed a higher incidence of grade 3-4 adverse events initially, but these effects may be mitigated by dose reduction.

Amping up battery performance with black glasses grafted on micron silicon

Researchers at Japan Advanced Institute of Science and Technology have developed a novel anode material consisting of black glasses grafted silicon microparticles, which shows great promise in enhancing lithium-ion battery performance and energy storage. The material exhibits high lithium diffusion ability, reduced internal resistance,...

SourceJapan Advanced Institute of Science and Technology·JournalJournal of Materials Chemistry A·DateAug 7, 2022

NELSON trial protocol more sensitive than NLST and may increase the benefits of lung cancer screening, while reducing unnecessary follow-up procedures

The NELSON Trial demonstrated a 24% reduction in lung cancer mortality with low-dose CT screening, compared to the 20% found in the NLST. The new protocol used in NELSON showed improved sensitivity for early-stage cancers, increasing the benefits of lung cancer screening while reducing unnecessary follow-up procedures.

Manipulating interlayer magnetic coupling for future spintronics

The study observes electric gate-controlled exchange-bias effect in van der Waals heterostructures, enabling scalable energy-efficient spin-orbit logic. The team successfully tunes the blocking temperature of the EB effect via an electric gate, allowing for the EB field to be turned 'ON' and 'OFF'.