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ScienceDaily · 08/01/2024 12:19 EDT

New AI tool simplifies heart monitoring: Fewer leads, same accuracy

To diagnose heart conditions including heart attacks and heart rhythm disturbances, clinicians typically rely on 12-lead electrocardiograms (ECGs) -- complex arrangements of electrodes and wires placed around the chest and limbs to detect the heart's electrical activity. But these ECGs require specialized equipment and expertise, and not all clinics have the capability to perform them. Scientists showed that, with help from an AI tool, cardiologists can diagnose heart attacks using... Read more ›

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ScienceDaily
ScienceDaily · 08/01/2024 12:19 EDT

Healthier nutrition in hospital possible thanks to modified menus

Food in hospitals often does not enjoy a good reputation. The proportion of meat on the plate in particular is too high. Clinics can do a lot to motivate patients to choose a healthier menu, as two new studies show. Read more ›

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ScienceDaily
ScienceDaily · 08/01/2024 12:19 EDT

New insights into cellular processes after a stroke

Strokes lead to irreversible damage to the brain and are one of the most common causes of dependency or death. As the cellular reactions to a cerebral infarction are not yet fully understood, there is a lack of possible approaches to promote the regeneration of damaged nerve tissue in the brain. A new study closes crucial gaps in our knowledge and paves the way for research into new, targeted therapeutic... Read more ›

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ScienceDaily
ScienceDaily · 08/01/2024 12:19 EDT

Sustainable catalysts: Crystal phase-controlled cobalt nanoparticles for hydrogenation

Controlling the crystal phase of cobalt nanoparticles leads to exceptional catalytic performance in hydrogenation processes, scientists report. Produced via an innovative hydrosilane-assisted synthesis method, these phase-controlled reusable nanoparticles enable the selective hydrogenation of various compounds under mild conditions without the use of harmful gases like ammonia. These efforts could lead to more sustainable and efficient catalytic processes across many industrial fields. Read more ›

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ScienceDaily
ScienceDaily · 08/01/2024 12:19 EDT

Stacked up against the rest

Scientists have hypothesized that moir excitons -- electron-hole pairs confined in moir interference fringes which overlap with slightly offset patterns -- may function as qubits in next-generation nano-semiconductors. However, due to diffraction limits, it has not been possible to focus light enough in measurements, causing optical interference from many moir excitons. To solve this, researchers have developed a new method of reducing these moir excitons to measure the quantum coherence... Read more ›

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ScienceDaily
ScienceDaily · 08/01/2024 12:19 EDT

Multiple urinary metals play key role in cardiovascular disease and mortality, study finds

Higher levels of urinary metals such as cadmium, tungsten, uranium, cobalt, copper and zinc are linked to increased cardiovascular disease and mortality in a racially and ethnically diverse U.S. population, according to a new study. Read more ›

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ScienceDaily
ScienceDaily · 08/01/2024 12:19 EDT

Engineering researchers crack the code to boost solar cell efficiency and durability

Photovoltaic (PV) technologies, which convert light into electricity, are increasingly applied worldwide to generate renewable energy. Researchers have now developed a molecular treatment that significantly enhances the efficiency and durability of perovskite solar cells. Their breakthrough will potentially accelerate the large-scale production of this clean energy. Read more ›

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ScienceDaily
ScienceDaily · 08/01/2024 12:19 EDT

Climate change may lead to shifts in vital Pacific Arctic fisheries

Commercially important marine fish and invertebrate species will likely shift northwards under a warmer climate, according to new research. Read more ›

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ScienceDaily
ScienceDaily 3 place · 08/01/2024 12:19 EDT

'Smarter' semiconductor technology for training 'smarter' artificial intelligence

A research team has recently demonstrated that analog hardware using ECRAM devices can maximize the computational performance of artificial intelligence, showcasing its potential for commercialization. Read more ›

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ScienceDaily
ScienceDaily · 08/01/2024 12:19 EDT

Method prevents an AI model from being overconfident about wrong answers

Thermometer, a new calibration technique tailored for large language models, can prevent LLMs from being overconfident or underconfident about their predictions. The technique aims to help users know when a model should be trusted. Read more ›

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ScienceDaily
ScienceDaily · 08/01/2024 12:18 EDT

Human odorant receptor for geosmin identified for the first time

Geosmin is a volatile compound of microbial origin with a distinct 'earthy' to 'musty' odor that can affect the quality of water and food. A research team has now identified and characterized the human odorant receptor for geosmin for the first time. Read more ›

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ScienceDaily
ScienceDaily · 08/01/2024 12:18 EDT

Uncontrolled hypertension: The old 'silent killer' is alive and well

High blood pressure affects about 45% of U.S. adults. In the 1970s, only about 50% of patients were aware of their hypertension. Today, 54% are aware of their high blood pressure, 40% are actively treated and 21% are actively controlled. As such, researchers alert health care providers that the old 'silent killer' is alive and well. Healthy individuals should have a systolic blood pressure of 130 mmHg or less, and... Read more ›

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ScienceDaily
ScienceDaily · 08/01/2024 12:18 EDT

Study examines effect of fish oil in older adults' brains

A clinical trial suggests that a subset of older adults with a genetic predisposition to Alzheimer's disease may benefit from fish oil supplements. Read more ›

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ScienceDaily
ScienceDaily · 08/01/2024 12:18 EDT

Warming stops tiny organisms working together

Hotter conditions prevent two tiny organisms working together for mutual benefit, new research shows. Read more ›

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ScienceDaily
ScienceDaily · 08/01/2024 12:18 EDT

Cheese of the future: Consumers open to animal-free alternatives

Companies and institutes are currently working on biotechnological processes for the production of 'dairy products' without the use of cows: In so-called precision fermentation, egg and milk proteins are produced with the help of bacteria, yeasts or other fungi. This results in foods such as milk or cheese with a familiar flavor and texture. Supporters hope that this will lead to more sustainable food production, as nutrient-rich proteins can be... Read more ›

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ScienceDaily
ScienceDaily · 08/01/2024 12:18 EDT

Proteins as the key to precision medicine: Finding unknown effects of existing drugs

Fewer side effects, improved chances of healing: the goal of precision medicine is to provide patients with the most individualized treatment possible. This requires a precise understanding of what is happening at the cellular level. Researchers have now succeeded in mapping the interactions of 144 active substances with around 8,000 proteins. The results could help to identify previously unknown potential benefits of existing drugs. Read more ›

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ScienceDaily
ScienceDaily · 08/01/2024 12:18 EDT

Electrical impedance tomography--extracellular voltage activation technique simplifies drug screening

Recently, researchers developed a non-invasive method combining electrical impedance tomography and extracellular voltage activation to evaluate drug effects on ion channels. The resulting printed circuit board sensor allows real-time monitoring of how newly developed drugs can affect ion flow in channels, providing a cost-effective and accurate alternative to traditional methods like patch-clamp techniques and paving the way toward more efficient and shorter preclinical testing in the drug discovery proces Read more ›

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ScienceDaily
ScienceDaily · 08/01/2024 12:18 EDT

Breakthrough in plant disease: New enzyme could lead to anti-bacterial pesticides

Scientists uncover a pivotal enzyme, XccOpgD, and its critical role in synthesizing C G16, a key compound used by Xanthomonas pathogens to enhance their virulence against plants. This breakthrough opens new avenues for developing targeted pesticides that combat plant diseases without harming beneficial organisms. Insights into XccOpgD's enzymatic mechanism and optimal conditions offer promising prospects for sustainable agriculture, bolstering crop resilience and global food security while minimizing enviro Read more ›

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ScienceDaily
ScienceDaily · 08/01/2024 12:18 EDT

Novel nanosensing technique for quality control of viral vectors in gene therapy

Researchers develop a nanosensing platform that can assess the quality of individual viral vector particles Viral vectors hold much potential for gene editing and gene therapy, but there is a pressing need to develop quality control methods to minimize potential side effects on patients. Addressing this, researchers from Japan developed a nanosensing-based approach that can differentiate between functional and faulty viral vectors at the single-particle level. This convenient and inexpensive... Read more ›

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ScienceDaily
ScienceDaily · 08/01/2024 12:18 EDT

Modern behavior explains prehistoric economies

What if the 'Market Economy' always existed? Archaeologists tried to answer this question by researching how much Bronze Age people used to spend to sustain their daily lives. Their results show that, starting at least 3,500 years ago, the spending habits of prehistoric Europeans were not substantially different from what they are today. Read more ›

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29.11.2024 14:47
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