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Science News Archive July 2023 - Page 34


Page 34 of 36

New study shows glutaminase 2 regulates glucose metabolism in pancreatic β-cells

A recent study published in Scientific Reports has uncovered the crucial role of glutaminase 2 in maintaining glucose homeostasis in pancreatic β-cells, particularly under conditions of hyperglycemia. The research team found that impaired GLS2 activity drives the onset of diabetes mellitus by disrupting insulin and glucagon regulation.

SourceChiba University·JournalScientific Reports·TypeExperimental study·DateJul 5, 2023

Study finds younger kidney cancer survivors at significant risk for heart problems

Researchers found that younger age is associated with an increased risk of heart failure in adolescent and young adult cancer survivors treated with sunitinib or sorafenib. Cardiovascular disease is a leading cause of health complications and death among AYAs diagnosed with cancer, with hypertension being a common complication.

SourceVirginia Commonwealth University·JournalJournal of the National Comprehensive Cancer Network·TypeData/statistical analysis·DateJul 5, 2023

Orbital angular momentum boosts multiplexed holography

Researchers have implemented Orbital Angular Momentum (OAM) as an independent information carrier for optical holography, leading to OAM multiplexed holography. The new design approach, MHC-OAM, uses spatial light modulators to achieve multiramp helical conical beams with different parameters serving as information encryption or decryp...

SourceSPIE--International Society for Optics and Photonics·JournalAdvanced Photonics Nexus·DateJul 5, 2023

Polarized imaging dynamic light scattering measures the nanoparticle size, morphology, as well as their distributions simultaneously, thus finding applications in various fields including catalysts, abrasives, fillers, nanodrugs, and battery materials

Researchers developed a fast and convenient method called polarized imaging dynamic light scattering (PIDLS) to evaluate nanoparticle size, morphology and distributions. The method uses optical sphericity to describe the degree of deviation from spheres and provides statistical morphological distribution.

SourceParticuology·JournalParticuology·DateJul 5, 2023

Potent greenhouse gas produced by industry could be readily abated with existing technologies

Researchers have found that industrial sources of nitrous oxide emissions can be readily abated with existing technology. The study suggests that low-cost technologies already exist to reduce nitrous oxide emissions to nearly zero, providing a double benefit for the environment and humanity by also protecting the ozone layer.

Finding the flux of quantum technology

Researchers at the University of Pittsburgh have discovered a way to efficiently separate and harness individual photons, a critical component in quantum photonics. This breakthrough has the potential to significantly increase the speed of quantum technology applications.

SourceUniversity of Pittsburgh·JournalNanophotonics·DateJul 5, 2023

Reichman University researchers develop a model to enable the efficient and accurate diagnosis of postpartum depression and appropriate treatment

Researchers at Reichman University developed a comprehensive biological model that unifies the processes impacting postpartum depression (PPD) and its symptoms. The model highlights four main factors leading to PPD: immune system activity, continuous stress, hormonal imbalance, and reduced activities involving closeness.

SourceReichman University·JournalTranslational Psychiatry·TypeLiterature review·DateJul 5, 2023

Lasering lava to forecast volcanic eruptions

University of Queensland researchers have developed a new technique using laser ablation inductively coupled plasma quadruple mass spectrometry to analyze the chemical composition of magma. This high-resolution method provides clearer data on the eruption style and lava flow, enabling better forecasting of volcanic eruptions.

SourceUniversity of Queensland·JournalScience Advances·DateJul 5, 2023

Holograms for life: Improving IVF success

Researchers at the University of Adelaide have created 3D holographic images of embryos to aid in selecting the best quality embryos for IVF, potentially improving success rates. The non-invasive approach uses miniscule amounts of light to provide insights into embryo development.

SourceUniversity of Adelaide·JournalBiomedical Optics Express·DateJul 5, 2023

Memories of childhood abuse and neglect has greater impact on mental health than the experience itself

Researchers found that people who retrospectively reported childhood maltreatment had more depressive episodes than those without a record of maltreatment, regardless of whether they had an official court record. Early interventions may help prevent emotional problems by addressing memories of abuse and neglect.

SourceKing's College London·JournalJAMA Psychiatry·TypeObservational study·DateJul 5, 2023

No increase in mortality for most overweight people, study finds

A large US study of over half a million adults found that BMI was not significantly linked to increased all-cause mortality in most cases. The study suggests that further research is needed to fully understand the relationship between BMI and mortality risk, particularly among younger adults.

SourcePLOS·JournalPLOS ONE·TypeObservational study·DateJul 5, 2023

Antisense therapy restores fragile X protein production in human cells

A novel antisense therapy has restored fragile X protein production in human cell samples, revealing aberrant alternative splicing of messenger RNA as a key factor in fragile X syndrome. This finding offers real hope for developing new treatments and improving the lives of individuals affected by the condition.

SourceUMass Chan Medical School·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateJul 5, 2023

New ferroelectric material could give robots muscles

A new type of ferroelectric polymer holds promise as a high-performance motion controller, offering a promising avenue for the development of soft actuators. The research demonstrates the potential of ferroelectric polymer nanocomposites to overcome limitations of traditional piezoelectric polymers.

SourcePenn State·JournalNature Materials·TypeExperimental study·DateJul 5, 2023

Scientists link genes to diet in inflammatory bowel disease

Researchers have identified two candidate genes, EPHA6 and MUC4, that may play a role in gut chronic inflammation leading to IBD. The study used genetically diverse mice to mirror human populations and found that increased expression of MUC4 in part of the colon may increase IBD risk in humans.

SourceeLife·JournaleLife·DateJul 5, 2023

Stressed for a bit? Then don’t click it, cybersecurity experts advise

A study by Pacific Northwest National Laboratory found that workers experiencing high levels of work-related distress are more likely to fall victim to phishing attacks. The researchers identified a statistically significant relationship between stress and response to simulated phishing emails, with every one-point increase in self-rep...

SourceDOE/Pacific Northwest National Laboratory·TypeObservational study·DateJul 5, 2023

Different areas of the brain activated depending on structural complexity of music, language

Research from UTHealth Houston reveals that different brain regions are engaged when processing simple versus complex melodies and sentences. The study used intracranial electrodes to map brain activity during music and language tasks, finding shared temporal lobe activity but distinct sensitivities to melodic and syntactic complexity.

Public support for militarily defending NATO allies

A recent study found that voters in NATO member states are more willing to defend another country if it joins the alliance, with benefits varying by country. NATO membership boosts support for military defense, particularly among non-member countries, and perception of the alliance's value plays a critical role.

SourcePNAS Nexus·JournalPNAS Nexus·DateJul 5, 2023

A two-for-one approach to boost melanoma immunotherapy

A new study from Sanford Burnham Prebys identified a protein called NR2F6 that helps melanoma cells evade the immune system, but also promotes anti-tumor immunity when targeted. The researchers hope to develop new drugs that can block this protein's activity, potentially doubling the effectiveness of immunotherapy for melanoma patients.

SourceSanford Burnham Prebys·JournalScience Advances·DateJul 5, 2023

Oregon State scientists find a better way to capture carbon from industrial emissions

Researchers at Oregon State University have developed a new, cost-effective way to capture carbon dioxide from industrial emissions. The method uses a nanomaterial called a metal-organic framework (MOF) that can selectively adsorb CO2 in humid conditions, making it suitable for post-combustion applications.

SourceOregon State University·JournalCell Reports Physical Science·TypeExperimental study·DateJul 5, 2023

Lack of sleep lessens cognitive benefits of physical activity

A recent study published in The Lancet Healthy Longevity found that people who were more physically active had better cognitive function, but this benefit was reduced for those with short sleeps. The research suggests that getting sufficient sleep is essential to reap the full cognitive benefits of physical activity.

SourceUniversity College London·JournalThe Lancet Healthy Longevity·TypeData/statistical analysis·DateJul 5, 2023

In search of rice to reduce methane emissions

Researchers have discovered that breeding high-yielding rice hybrids with lower methane emissions can help farmers achieve food security without significantly increasing emissions. The study highlights the potential for low-emission rice production systems to mitigate methane emissions in Latin America and the Caribbean.

Helping plants make better use of sunlight

Researchers at Technical University of Munich have discovered that the outer envelope membrane of chloroplasts plays a crucial role in regulating metabolite transport, which is essential for optimizing photosynthesis. By understanding this process, scientists hope to develop new strategies to boost crop yields and produce more biomass.

SourceTechnical University of Munich (TUM)·JournalNature Structural & Molecular Biology·DateJul 5, 2023

Health professions requiring advanced degrees have few Latinos

A new study by George Washington University researchers reveals that Mexican Americans and other Latinos face significant barriers to occupations in the healthcare field that require an advanced degree. The study found that despite being the largest Latino subpopulation, Mexican Americans represent one-quarter or less of the professions.

SourceGeorge Washington University·JournalHealth Affairs·TypeData/statistical analysis·DateJul 5, 2023

How the ear can inform the brain of whether hearing is impaired

A study by Pierre Hakizimana at Linköping University found that the DC signal in the cochlea can provide an indication of ear health status, allowing the brain to decode faint sounds. The discovery may contribute to new research on diagnosing noise-induced hearing loss and has implications for preventing permanent damage from loud sounds.

SourceLinköping University·JournalCellular and Molecular Life Sciences·TypeExperimental study·DateJul 4, 2023

Development of a ”network slicing” technique applicable to 6G core technology ”low-earth orbit (LEO) satellite communications”

The study proposes a novel network slicing planning and handover technique applicable to next-generation low-earth orbit (LEO) satellite networks. The developed technique can provide flexible services according to user needs, enabling the adoption of 6G-era demands such as VR/AR and autonomous driving.

SourceDGIST (Daegu Gyeongbuk Institute of Science and Technology)·JournalIEEE Vehicular Technology Magazine·DateJul 4, 2023

HKUMed in collaboration with the Hong Kong Sanatorium & Hospital, establishes the positive clinical impact of the Multidisciplinary Molecular Tumour Board among patients with advanced solid cancer in the era of Precision Cancer Medicine

The Multidisciplinary Molecular Tumour Board (MTB) has been shown to improve treatment response rates for patients with advanced solid cancer, with 64% of patients benefiting from the MTB-guided approach. The board provides a systematic precision oncology strategy for treatment selection, combining expertise in multiple disciplines.

SourceThe University of Hong Kong·JournalThe Lancet Regional Health - Western Pacific·TypeExperimental study·DateJul 4, 2023

Joint research team from Korea and Germany seeks to enhance production efficiency of fuel cells with laser machining technology

A joint Korean-German research team has developed a new laser machining technology for fuel cells that enables simultaneous welding and cutting of thin bipolar plates. The technology uses a scanner with real-time cross-coupling control to improve machining accuracy and reduce costs.

Insert an ID card into hair-thin optical fiber with femtosecond laser direct-writing fiber Bragg grating array

Fiber sensing scientists from Shenzhen University have developed an encrypted fiber optic tag that can be used for all-optical labeling and recognition of optical transmission channels. The team proposed a method using fiber Bragg grating arrays prepared by femtosecond laser direct writing to flexibly store different coding sequences.

SourceInternational Journal of Extreme Manufacturing·JournalInternational Journal of Extreme Manufacturing·DateJul 4, 2023

Older adults who remain more active have a better quality of life, study finds

A recent study published in Health and Quality of Life Outcomes found that older adults who maintain moderate-intensity physical activity experience a higher quality of life. The researchers tracked the health-related quality of life of over 1,500 participants aged 60 and above, finding that those who spent more time physically active ...

SourceUniversity of Cambridge·JournalHealth and Quality of Life Outcomes·DateJul 4, 2023

Warmer and murkier waters favour predators of guppies, study finds

Changes in water conditions impact how Trinidadian guppies protect themselves from predators. The interaction of increased temperature and reduced visibility causes fish to form looser protective shoals. This study contributes to understanding the dynamics between prey and predators in a rapidly changing world.

SourceUniversity of Bristol·JournalProceedings of the Royal Society B Biological Sciences·TypeObservational study·DateJul 4, 2023

During Operation Guardian of the Walls, residents of the south suffered significantly greater physiological and mental harm than the rest of the population

Residents of southern Israel suffered significantly greater physiological and mental harm than others, with spikes in heart rate and stress, reduced sleep duration, and decreased physical activity. Women, young people, and those living near Gaza paid the heaviest price, with notable differences in screen time, mood, and quality of sleep.

SourceTel-Aviv University·JournalCommunications Medicine·DateJul 4, 2023