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Science News Archive March 2024 - Page 3


Page 3 of 42

Generative AI develops potential new drugs for antibiotic-resistant bacteria

Researchers at Stanford Medicine and McMaster University developed a generative AI model called SyntheMol that creates recipes for chemists to synthesize novel antibiotics. The model generated six compounds with high potential to kill antibiotic-resistant bacteria, including Acinetobacter baumannii, E. coli, and MRSA.

SourceStanford Medicine·JournalNature Machine Intelligence·TypeComputational simulation/modeling·DateMar 28, 2024

Older brain cells linger unexpectedly before their death

Researchers discovered that mature oligodendrocytes, critical for brain function, can survive for up to 45 days after a fatal trauma, defying the classical programmed cell-death pathway. This finding opens new avenues for understanding and potentially preventing damage caused by aging and neurodegenerative diseases.

SourceDartmouth College·JournalJNeurosci·TypeExperimental study·DateMar 28, 2024

Joint research team of DGIST-Sogang Univ. has developed a high-efficiency catalyst for converting carbon dioxide, the main cause of global warming, into ethylene using “vitamin C”

Researchers developed a high-efficiency catalyst that converts carbon dioxide into ethylene using vitamin C. The catalyst promotes the formation of essential intermediate product carbon monoxide at high current density, overcoming existing electrochemical catalyst limitations.

New imaging method illuminates oxygen's journey in the brain

A new bioluminescence imaging technique allows researchers to observe oxygen movement in the brains of mice in real-time, providing insights into diseases such as Alzheimer's and strokes. The method reveals that small areas of the brain, called 'hypoxic pockets,' can be denied oxygen for brief periods, increasing risk for these diseases.

DGIST research team develops next-generation semiconductor memory that operates in extreme environments

Researchers at DGIST have developed a new manufacturing technology that enables the production of high-quality oxide films and effective patterning at low temperatures. The technology is expected to be used in next-generation computing systems, overcoming existing shortcomings.

SourceDGIST (Daegu Gyeongbuk Institute of Science and Technology)·JournalJournal of Material Science and Technology·DateMar 28, 2024

Indoor air quality standards in public buildings would boost health and economy, say international experts

International experts, led by Professor Lidia Morawska, recommend setting standards for ventilation rate and three key indoor pollutants to improve indoor air quality. The recommended standards could help minimize the spread of airborne diseases like COVID-19 and contribute to achieving the United Nations' Sustainable Development Goals.

SourceUniversity of Surrey·JournalScience·TypeCommentary/editorial·DateMar 28, 2024

Researchers improve reversibility and specific capacity of iron-based phosphate cathodes for Na-ion batteries

A new iron-based phosphate cathode material has been developed with improved reversible capacity and energy density, enabling fast-charge capability and superior cycling performance. The material uses a bi-phase intergrowth heterogeneous structure to activate the inert phase, achieving high capacity and long cycle life.

SourceChinese Academy of Sciences Headquarters·JournalJournal of the American Chemical Society·DateMar 28, 2024

Memories of mitosis: Molecular mechanism that detects defects during cell division could aid cancer treatment

Researchers discovered a protein complex that eliminates potentially harmful cells over time by measuring the duration of mitosis. The Mitotic Stopwatch Complex starts forming after prolonged mitosis and triggers cell arrest or death, providing new insights into cancer development.

Wayne State University researchers uncover potential treatment targets for Zika virus-related eye abnormalities

A groundbreaking study reveals that targeting cholesterol metabolism can mitigate Zika virus-induced ocular pathology, offering promising therapeutic strategies. Researchers identified ABCG1 and SREBP-2 as key players in the pathway, and treatments with LXR agonists or SREBP-2 inhibitors showed promise in animal models.

SourceWayne State University - Office of the Vice President for Research·JournaliScience·TypeExperimental study·DateMar 28, 2024

Development of soft and highly durable brain electrodes that stick to the brain to treat brain diseases

Researchers at DGIST have created highly durable brain electrodes made of soft and elastic materials, sticking well to the curved brain surface. These electrodes can maintain stable performance over long-term use, enabling various applications in brain–machine interfaces and electronic medical devices.

SourceDGIST (Daegu Gyeongbuk Institute of Science and Technology)·JournalSensors and Actuators B Chemical·DateMar 28, 2024

Artificial Intelligence tool successfully predicts fatal heart rhythm

An AI tool developed by researchers at the University Hospitals of Leicester NHS Trust correctly identified lethal ventricular arrhythmia in 80% of cases. The tool performed well compared to current medical guidelines, suggesting a novel approach for determining patient risk and appropriate treatment.

SourceUniversity Hospitals of Leicester NHS Trust·JournalEuropean Heart Journal·TypeComputational simulation/modeling·DateMar 28, 2024

Exploring the relationship between HIV pre-exposure prophylaxis and the incidence of chlamydia, gonorrhea and syphilis – findings from Denmark

A Danish study found that PrEP use was associated with a more than twofold increase in chlamydia, gonorrhea, and syphilis diagnoses. The researchers suggest that changes in sexual risk-taking may lead people to seek PrEP rather than increased risks.

SourceEuropean Centre for Disease Prevention and Control (ECDC)·JournalEurosurveillance·TypeData/statistical analysis·DateMar 28, 2024

Social media use may help to empower plastic surgery patients

A survey of 473 patients found that those who used social media to gather information scored higher in patient empowerment categories. Facebook and RealSelf platforms were associated with increased empowerment in treatment options. Plastic surgeons are encouraged to engage with and contribute to social media to promote patient autonomy.

SourceWolters Kluwer Health·JournalPlastic & Reconstructive Surgery·DateMar 28, 2024

DGIST achieves simultaneous performance improvement and energy savings with innovative algorithm for 6G vision services!

The team of Professor Jeongho Kwak from DGIST developed a 'VisionScaling' algorithm that combines accuracy and efficiency for 6G vision services, reducing energy consumption by at least 30% while maintaining average accuracy. The algorithm adapts to changing mobile environments using Online Convex Optimization (OCO) techniques.

SourceDGIST (Daegu Gyeongbuk Institute of Science and Technology)·JournalIEEE Internet of Things Journal·DateMar 28, 2024

PO-AKID-teller: An interpretable machine learning tool for predicting acute kidney injury requiring dialysis after acute type A aortic dissection surgery

A new machine learning tool, PO-AKID-teller, can accurately predict patients at risk of acute kidney injury requiring dialysis after aortic dissection surgery. The model provides an interpretable explanation of the predicted risk, enabling clinicians to make informed decisions.

SourceSichuan International Medical Exchange and Promotion Association·JournalMedComm – Future Medicine·TypeObservational study·DateMar 28, 2024

Wild plants face viral surprise

A recent study published in Phytobiomes Journal found that non-native crop viruses are infecting and harming wild desert plants. Infection rates with the virus CABYV reached as high as 88% in some populations, causing visible impacts on plant growth and root health.

SourceMichigan State University·JournalPhytobiomes Journal·DateMar 28, 2024

Study: Dangerous surgical site infections can be reduced with simple prevention protocol

Researchers found that a simple pre-surgical infection prevention protocol involving povidone-iodine and skin antisepsis significantly reduced severe surgical site infections. The protocol eradicated Staphylococcus aureus in nearly 40% of patients, with a three-fold risk of developing an SSI associated with its presence within a day af...

SourceAssociation for Professionals in Infection Control·JournalAmerican Journal of Infection Control·TypeObservational study·DateMar 28, 2024

How extratropical ocean-atmosphere interactions can contribute to the variability of jet streams in the Northern Hemisphere

Researchers from Kyushu University found that ocean-atmosphere coupling enhances teleconnection patterns, leading to more meandering jet streams and extreme weather events. The study highlights the significance of extratropical ocean-atmosphere interactions in climate variability.

SourceKyushu University·JournalCommunications Earth & Environment·TypeComputational simulation/modeling·DateMar 28, 2024

First performance standards published to measure the effectiveness of lifestyle medicine treatments

The American College of Lifestyle Medicine has published the first performance measures to assess the effectiveness of lifestyle medicine treatments. The standards aim to facilitate the broader integration of lifestyle medicine into healthcare by documenting remission and long-term progress. The 32 proposed performance measures cover v...

SourceAmerican College of Lifestyle Medicine·JournalAmerican Journal of Lifestyle Medicine·DateMar 28, 2024

Multiple biomaterials for immediate implant placement tissue repair: Current status and future perspectives

The study investigates various biomaterials for bone defect repair, including autologous, allogeneic, and growth factor materials. These materials offer improved biocompatibility and strength, with potential solutions for enhancing soft tissue thickness.

SourceSichuan International Medical Exchange and Promotion Association·JournalMedComm – Biomaterials and Applications·TypeSystematic review·DateMar 28, 2024

Chinese Medical Journal review highlights beneficial interplay between caloric restriction, sirtuins, and cardiovascular diseases

A recent review highlights the positive effects of caloric restriction on cardiovascular health, linked to sirtuin activation and improved lipid metabolism. The study suggests that caloric restriction regulates metabolic processes via NAD+ levels, activating SIRT1 and modulating cardio-protective pathways.

SourceCactus Communications·JournalChinese Medical Journal·TypeLiterature review·DateMar 28, 2024