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Science News Archive March 2023 - Page 3


Page 3 of 44

Surgery proves effective alternative to chemotherapy and radiation for early metastatic testicular cancer

A clinical trial has established surgery as an effective treatment option for patients with early metastatic seminoma, a slow-growing form of testicular cancer. Surgery has been shown to offer better outcomes than traditional therapies like chemotherapy and radiation, with fewer long-term side effects.

SourceUniversity of Southern California - Health Sciences·JournalJournal of Clinical Oncology·TypeRandomized controlled/clinical trial·DateMar 30, 2023

Improving the efficiency of maps

Researchers are developing cartographic visualisations that tap into internal brain processes to enhance spatial orientation skills. The project, funded by the European Research Council, involves adding distinctive lines or graphic patterns to maps to stimulate grid cell activity in the brain.

New mechanisms and therapeutic possibilities for heart failure uncovered by scientists at the Lewis Katz School of Medicine at Temple University and Johns Hopkins University

Researchers at Temple University and Johns Hopkins University found that brain-derived neurotrophic factor (BDNF) loss underlies post-myocardial infarction heart failure. BDNF levels can be replenished therapeutically, abolishing damage to heart tissue and enabling recovery.

SourceTemple University Health System·JournalCirculation Research·DateMar 30, 2023

Trinity and University of Manchester researchers tackle parasitic worms that infect millions worldwide

A recent study published in the journal Immunity has shed light on the immune response to parasitic worm infection, revealing a critical role for T cells and macrophages. The research team identified specific signaling molecules that control the development of tissue-resident macrophages, which are essential for eliminating the infection.

SourceTrinity College Dublin·JournalImmunity·TypeExperimental study·DateMar 30, 2023

Pusan National University researchers build a numerical algorithm to study continuous ice-breaking

Researchers at Pusan National University have created a new algorithm that can accurately predict ice resistance and fracture points for ships navigating through the Arctic shipping routes. The model uses an elastic material approach, allowing it to study continuous ice-breaking processes, which is essential for efficient navigation.

SourcePusan National University·JournalOcean Engineering·TypeComputational simulation/modeling·DateMar 30, 2023

Buprenorphine initiation in the ER found safe and effective for individuals with opioid use disorder who use fentanyl

A multi-site NIH study shows that less than 1% of people with opioid use disorder experience withdrawal when starting buprenorphine in the emergency department. The findings provide strong evidence for safe and effective buprenorphine treatment, even for those using stronger opioids like fentanyl.

SourceNIH/National Institute on Drug Abuse·JournalJAMA Network Open·DateMar 30, 2023

VIMS study: sea-level rise is double-edged sword for carbon storage

A recent VIMS study uses a new computer model to simulate the impact of sea-level rise on coastal carbon storage. The research found that moderate rates of sea-level rise enhance plant productivity and carbon preservation, while rapid rise rates can lead to marsh collapse and decreased carbon storage.

SourceVirginia Institute of Marine Science·JournalNature Communications·TypeComputational simulation/modeling·DateMar 30, 2023

How to achieve a functional cure for chronic hepatitis B

A study published in Journal of Hepatology found that some patients with chronic hepatitis B can achieve sustained immune control by discontinuing antiviral therapy after four years. This suggests a potential cure for the disease, which affects an estimated 350 million people worldwide.

SourceUniversität Leipzig·JournalJournal of Hepatology·TypeRandomized controlled/clinical trial·DateMar 30, 2023

Can we connect to a virtual world as in the movie “The Matrix”? Microrobot technology has been developed for externally connecting in vivo neural networks.

The research team developed a microrobot capable of forming neural networks and sectioning hippocampal tissues in an in vitro environment. They used superparamagnetic iron oxide nanoparticles to fabricate the Mag-Neurobot, which can move to a desired location by reacting to external magnetic fields. The technology enables analysis of n...

A biohybrid system to extract 20 times more bioplastic from CO2 developed by KAIST researchers

Researchers at KAIST have developed a hybrid system that combines electrochemical CO2 conversion with microbial bioconversion to produce bioplastics. The system resulted in the world's highest productivity, producing up to 83% of cell dry weight as bioplastic from CO2.

SourceThe Korea Advanced Institute of Science and Technology (KAIST)·JournalProceedings of the National Academy of Sciences·TypeMeta-analysis·DateMar 30, 2023

Deepfakes: has the camera always lied?

Research highlights centuries-old manipulation of photos and videos, raising questions about the social problems behind deepfakes, including the objectification of women and dehumanization of marginalized groups. Dr. Joshua Habgood-Coote argues for media reform and institutional change to combat these issues.

SourceUniversity of Leeds·JournalSynthese·DateMar 30, 2023

Breaking the barrier: Low-temp ammonia synthesis with iron catalysts and barium hydride

Scientists have developed a new catalyst that enables the production of ammonia at lower temperatures, reducing energy consumption and potentially lowering global carbon emissions. The BaH2–BaO/Fe/CaH2 catalyst facilitates nitrogen gas adsorption, resulting in enhanced catalytic activity for ammonia production.

SourceTokyo Institute of Technology·JournalJournal of the American Chemical Society·TypeExperimental study·DateMar 30, 2023

DGIST Professor Minseok Kim’s team develops an electronic medicine technology that restores abnormal protein behavior, the cause of Charcot-Marie-Tooth Disease (CMT)

The research team developed a technology that can restore normal peripheral myelin protein 22 distribution in CMT1A cells using electric stimulation, which eliminates protein aggregation and induces myelination. This technology has potential for the development of an electronic medicine with minimal side effects.

SourceDGIST (Daegu Gyeongbuk Institute of Science and Technology)·JournalBiosensors and Bioelectronics·DateMar 30, 2023

Increasing availability of non-alcoholic drinks may reduce amount of alcohol purchased online

A recent study published in PLOS Medicine found that increasing the proportion of non-alcoholic drinks on sale in online supermarkets can lead to a reduction in the amount of alcohol purchased. Participants who were exposed to more non-alcoholic drinks selected and purchased fewer units of alcohol compared to those with lower proportions.

SourceUniversity of Cambridge·JournalPLOS Medicine·TypeExperimental study·DateMar 30, 2023

Watch nanoparticles grow into crystals

For the first time, scientists have observed nanoparticles forming crystals with unprecedented clarity. The study used optimized liquid-phase transmission electron microscopy to capture the self-assembly process of thousands of nanoparticles. This breakthrough could lead to designing new materials for electronic applications.

SourceNorthwestern University·JournalNature Nanotechnology·TypeExperimental study·DateMar 30, 2023

Professor Jong-Sung Yu’s team at DGIST develops a method for carbon support synthesis with higher stability and durability of fuel cell catalysts

Professor Jong-Sung Yu's team developed a low-temperature method to synthesize highly graphitized carbon supports, increasing the lifespan of hydrogen fuel-cells. The new method introduces high graphiticity at relatively low temperatures, enhancing fuel-cell performance.

The Xishuangbanna Tropical Botanical Garden of the Chinese Academy of Sciences (CAS), together with several other units in China and other countries, summarizes important research in the field of ecology related to the current status and future trends of

The article summarizes current status and future trends of forest understory vegetation biodiversity, regeneration, biomass, nutrient content, and interactions with overstory trees. It proposes focusing on understory-Canopy tree interactions and plant-soil mechanisms driven by climate or environmental factors.

SourceMaximum Academic Press·JournalForestry Research·DateMar 30, 2023

Host matters aggregation and electroluminescence

Researchers have developed a new host material that enhances the efficiency of organic light-emitting diodes (OLEDs) by reducing concentration quenching and increasing thermally activated delayed fluorescence. This breakthrough could lead to improved displays, lighting, and medical treatments.

SourceHigher Education Press·JournalFrontiers of Optoelectronics·TypeExperimental study·DateMar 30, 2023

Rice U.’s Todd Treangen wins NSF CAREER Award

Rice University's assistant professor of computer science, Todd Treangen, has been awarded a $599,943 National Science Foundation CAREER Award to develop a comprehensive computational platform for detecting yet-unseen microbial pathogens. The project aims to characterize previously unseen pathogens that could pose a risk to humans.

Exploiting dark autoionizing states for enhancing the extreme ultraviolet laser power

Researchers develop unique method to enhance extreme ultraviolet laser power by exploiting dark-autoionizing states, increasing conversion efficiency by over ten times. This breakthrough enables studying ultrafast dynamics of dark autoionizing states at the femtosecond timescale, with potential applications in quantum technologies.

SourceInstitut national de la recherche scientifique - INRS·JournalPhysical Review Letters·DateMar 30, 2023