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Science News for September 20, 2024


Chinese expert consensus on radiofrequency therapy for gastroesophageal reflux disease 2024

The 2024 Chinese consensus on radiofrequency therapy for gastroesophageal reflux disease standardizes treatment approaches by outlining essential surgical indications, contraindications, and postoperative management. The consensus also highlights the importance of precise energy application to the lower esophagus and cardia.

SourceKeAi Communications Co., Ltd.·JournalGastroenterology & Endoscopy·TypeData/statistical analysis·DateSep 20, 2024

Energy localization in three-dimensional nanostructure

A novel 3D tubular photothermoelectric detector was designed and fabricated, demonstrating enhanced light absorption and heat localization. This leads to improved photo-thermo-electric conversion, resulting in high sensitivity, wide spectral response range, and omni-directional detection capabilities.

Antidepressant shows promise for treating brain tumors

Researchers at ETH Zurich have found an antidepressant, vortioxetine, effective against glioblastomas, a particularly aggressive brain tumor with no cure. The drug's ability to cross the blood-brain barrier and trigger a signalling cascade makes it promising for treating this deadly tumour.

SourceETH Zurich·JournalNature Medicine·TypeComputational simulation/modeling·DateSep 20, 2024

Octave-spanning soliton frequency combs on thin-film lithium niobate

Researchers have demonstrated octave-spanning Kerr soliton frequency combs on thin-film lithium niobate, enabling ultrafast spectroscopy and laser frequency synchronization. The development of reliable fabrication guidelines suppresses Raman lasing, unlocking the potential for monolithic and compact comb-driven photonic systems.

Synergistic promotion of dielectric and thermomechanical properties of porous Si3N4 ceramics by a dual-solvent template method

Researchers at Tsinghua University Press developed porous Si3N4 ceramics with uniform pore structures using a dual-solvent templating and freeze-casting method. The resulting ceramics exhibit impressive mechanical properties and dielectric constants suitable for hypersonic aircraft radomes and antenna windows.

SourceTsinghua University Press·JournalJournal of Advanced Ceramics·DateSep 20, 2024

Mount Sinai expands Psychedelic Research Center with new facility in upper Manhattan

The Mount Sinai Health System has expanded its psychedelic psychotherapy research center with a new facility in upper Manhattan. The Center will support rigorous clinical trials for well-known compounds like MDMA, psilocybin, and ketamine, which have shown potential in alleviating symptoms of PTSD, depression, anxiety, and other stress...

Tumor irradiation, individualized daily

Researchers integrated personalized daily adjustments into proton therapy, ensuring more precise treatment and reduced radiation exposure. The new workflow, developed by PSI researchers, involves low-dose CT scans before each irradiation and adapts the treatment plan to the patient's current anatomy.

SourcePaul Scherrer Institute·JournalPhysics in Medicine and Biology·TypeExperimental study·DateSep 20, 2024

Breakthrough in submicron transistor thermal simulation through efficient phonon BTE method

Researchers have developed a novel computational method to simulate heat conduction at the nanoscale, overcoming limitations of traditional models by eliminating empirical parameters and increasing efficiency. This breakthrough enables accurate thermal simulations for complex nanoscale structures, paving the way for designing materials...

SourceKeAi Communications Co., Ltd.·JournalFundamental Research·TypeComputational simulation/modeling·DateSep 20, 2024

European Green Deal: a double-edged sword for global emissions

The EU's Green Deal aims to reduce carbon emissions by 2050 but may increase emissions globally. An international team of scientists found that the deal could lead to a 244.8% increase in global emissions outside EU borders. However, adopting a plant-based diet and phasing out biofuels within the EU could significantly reduce emissions.

SourceUniversity of Groningen·JournalNature Sustainability·TypeData/statistical analysis·DateSep 20, 2024

Researchers discover how enzymes ‘tie the knot’

Scientists used artificial intelligence and molecular dynamics simulations to understand how enzymes fold lasso peptides into a unique structure. They identified key residues important for interaction with the substrate, enabling the design of new cyclase variants that can produce potent lasso peptides.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalNature Chemical Biology·TypeExperimental study·DateSep 20, 2024

New drug molecule could lead to new treatments for Parkinson’s disease in younger patients

A novel drug molecule has been found to reactivate a crucial protein called parkin, which plays a key role in maintaining healthy brain cells. The study's findings lay the foundation for the design of personalized treatments for younger patients with specific mutations, offering new hope for a cure for Parkinson's disease.

SourceMcGill University·JournalNature Communications·TypeExperimental study·DateSep 20, 2024

Bringing lost proteins back home

Scientists at Stanford University have developed a new method to relocalize misplaced proteins in cells, which could lead to therapeutic treatments for diseases. The team created a class of molecules called TRAMs that convince natural shuttles to take cargo like proteins to different parts of the cell.

SourceStanford University·JournalNature·DateSep 20, 2024

AI is learning to read your emotions, and here’s why that can be a good thing

Researchers are developing AI technology to quantify emotions, improving emotional recognition in fields like healthcare, education, and customer service. This technology can create personalized experiences and enhance comprehension of human emotions, revolutionizing human-computer interactions and mental health assessments.

SourceTsinghua University Press·JournalCAAI Artificial Intelligence Research·DateSep 20, 2024

Study reveals large ocean heat storage efficiency during the last deglaciation

A recent study published in Science Advances found that the ocean's heat storage efficiency during the last deglaciation was substantially enhanced to ≥1 by strong warming in intermediate-depth waters. This significant increase resolves a long-standing paradox in the conventional view of climate system dynamics.

A simple blood test warns of possible cardiometabolic complications for children with obesity

A study from the University of Copenhagen detected lipid biomarkers in obese children that indicate a higher risk of developing type 2 diabetes, liver, and heart disease later in life. A one-year lifestyle intervention lowered these biomarkers, demonstrating the importance of early intervention for children with obesity.

Evolved in the lab, found in nature: uncovering hidden pH sensing abilities

Researchers have successfully evolved microbial cultures that can sense pH changes, enabling rapid responses to environmental fluctuations. They also found similar mutations in nature in emerging pathogens and coral symbionts, which navigate challenging pH shifts in their environments.

SourceVanderbilt University Department of Biological Sciences·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateSep 20, 2024

Microplastics found in coral skeletons

Researchers have discovered microplastics in all three parts of coral anatomy, including surface mucus, tissue, and skeleton. This finding may explain the 'missing plastic problem' and suggests that corals could be sequestering plastic waste from the ocean.

SourceKyushu University·JournalScience of The Total Environment·TypeExperimental study·DateSep 20, 2024

Inflammatory cells in tumor microenvironment promote the transformation of prostate cancer cells into treatment-resistant cells

A new study by the University of Eastern Finland found that pro-inflammatory macrophages can transform prostate cancer cells into stem-like cells, making them resistant to treatment. The study reveals that these immune cells secrete factors that increase the expression of stem cell markers in prostate cancer cells.

SourceUniversity of Eastern Finland·JournalOncoImmunology·TypeExperimental study·DateSep 20, 2024

Korean research team proposes AI-powered approach to establishing a 'carbon-neutral energy city’

A Korean research team has developed an AI-powered approach to establishing a 'carbon-neutral energy city' by implementing an energy management algorithm and system. The system achieved an 18% reduction in electricity costs and improved the stability of the power grid, particularly in addressing Low-Probability High-Impact Events.

SourceNational Research Council of Science & Technology·JournalSustainable Cities and Society·DateSep 20, 2024

Walking in lockstep

Study reveals the brain controls leg coordination during walking only when discoordination exceeds a certain threshold. Researchers found that not actively intervening improves energy efficiency and maneuverability.

SourceOsaka University·JournalCommunications Biology·TypeData/statistical analysis·DateSep 20, 2024

Demand-side actions could help construction sector deliver on net-zero targets

A new study suggests that using state-of-the-art energy efficiency technologies can enable Europe's construction sector to almost eliminate its carbon emissions by 2060. Employing technologies like solar energy and heat pumps can reduce total energy used for heating and cooling buildings by up to 97%.

SourceUniversity of Plymouth·JournalRenewable and Sustainable Energy Reviews·TypeComputational simulation/modeling·DateSep 20, 2024

Wastewater monitoring can detect foodborne illness, researchers find

Researchers found Salmonella enterica in wastewater treatment plant samples, indicating a foodborne pathogen. The study suggests domestic sewage monitoring can detect infectious diseases circulating in a community, enabling health officials to swiftly trace the source of contaminated food.

SourcePenn State·JournalJournal of Clinical Microbiology·TypeExperimental study·DateSep 20, 2024

Unlocking the potential of patient-derived organoids for personalized sarcoma treatment

Researchers at UCLA Health Jonsson Comprehensive Cancer Center developed a biobank of 294 samples from 126 patients with 25 different subtypes of bone and soft tissue sarcoma. The team created tumor organoids that retained key characteristics of the original tumors, which were then subjected to high-throughput drug screening. They iden...

Fever drives enhanced activity, mitochondrial damage in immune cells

Researchers found that fever temperatures increase helper T cell metabolism, proliferation and inflammatory activity, while causing mitochondrial stress, DNA damage and cell death in a specific subset of Th1 cells. These findings may explain how chronic inflammation contributes to cancer development and suggest a fundamental way cells ...

SourceVanderbilt University Medical Center·JournalScience Immunology·TypeExperimental study·DateSep 20, 2024

How can we make the best possible use of large language models for a smarter and more inclusive society?

The article discusses the potential benefits and risks of large language models (LLMs) on collective intelligence and proposes recommendations for action. LLMs can increase accessibility and accelerate idea generation, but also pose risks such as undermining motivation to contribute to collective knowledge commons.

SourceMax Planck Institute for Human Development·JournalNature Human Behaviour·TypeCommentary/editorial·DateSep 20, 2024

New data science tool greatly speeds up molecular analysis of our environment

A research team developed a computational workflow for analyzing large data sets in metabolomics, speeding up the process to capture chemical profiles of coastal environments. The tool, accessible to researchers worldwide, highlights potential sources of pollution and enables statistical insights within minutes.

SourceUniversity of California - Riverside·JournalNature Protocols·TypeData/statistical analysis·DateSep 20, 2024

Revealing the neuronal pathways involved in adaptive decision-making in primates

Researchers found that distinct brain pathways from the orbitofrontal cortex are necessary for experience-based and knowledge-based adaptation. The findings have implications for understanding individual differences in thinking styles and may lead to personalized strategies for improving decision-making skills.

SourceThe National Institutes for Quantum Science and Technology·JournalNature Communications·TypeExperimental study·DateSep 20, 2024

Korea University study reveals potential effects of uterine artery embolization on subsequent deliveries

A nationwide cohort study revealed a higher risk of placental problems, premature births, and severe bleeding in subsequent deliveries following uterine artery embolization. Babies born to mothers who underwent UAE also had a higher chance of major birth defects, particularly heart problems.

SourceKorea University College of Medicine·JournalHuman Reproduction Open·TypeObservational study·DateSep 20, 2024

Self-supported film catalyst with CNTs and Ni-Ni(OH)2 heterostructure for activated HER

A self-supported film catalyst with CNTs and Ni-Ni(OH)2 heterostructure has been designed for activated hydrogen evolution reaction (HER), exhibiting excellent performance in alkaline solution. The catalyst showed outstanding catalytic properties, including a low onset overpotential of 0 mV and steady overpotentials.

New tool to help decision makers navigate possible futures of the Colorado River

A new computational tool, FRNSIC, developed by Penn State scientists can help decision-makers explore possible futures of the Colorado River and identify consequential scenario storylines. The tool uses exploratory modeling to investigate a large number of plausible future conditions and classify relevant storylines for stakeholders.

SourcePenn State·JournalEarth's Future·TypeComputational simulation/modeling·DateSep 20, 2024