Articles tagged with Zinc
A recent NIH study found that adding omega-3 fatty acids and lutein/zeaxanthin to a combination of nutritional supplements does not improve protection against age-related macular degeneration. However, removing beta-carotene from the supplement formulation may help reduce risk, according to researchers.
A large multicenter trial showed that adding lutein and zeaxanthin, omega-3 fatty acids DHA and EPA to an antioxidant vitamins formulation did not reduce the risk of progression to advanced age-related macular degeneration. No significant effects were observed on vision loss development either.
Researchers have discovered zinc as a promising material for bioabsorbable stents, which can dissolve harmlessly after healing. Zinc's corrosion rate is exactly right, allowing it to degrade at a controlled pace.
Researchers have created the first self-propelled micromotors and microrockets that utilize their surroundings as a source of fuel, eliminating damage to healthy tissue. These tiny devices can potentially perform microsurgery, clean clogged arteries, or transport drugs to specific areas in the body.
Researchers at UMass Amherst and Harvard found that women who consumed more non-heme iron had a 30-40% lower risk of developing pre-menstrual syndrome (PMS). High intake of zinc was also associated with lower risk. In contrast, high potassium intake was linked to higher PMS risk.
Scientists have identified aromatic rice from Bangladesh with very low arsenic content, higher selenium and zinc levels. This could benefit millions of people worldwide who consume rice daily, reducing their risk of cancer and other health problems.
Researchers discovered zinc's role in preventing excessive inflammation by interacting with the NF-κB pathway. Zinc deficiency can lead to poor outcomes in sepsis and common colds, but supplementation may help. The study sheds light on how zinc balances the immune response.
Scientists used X-ray beams to trace the uptake of zinc and cerium nanoparticles by soya bean plants. Zinc was found to dissolve and accumulate in the plants, while cerium did not biotransform and reached the plant pods.
Researchers used a unique X-ray instrument to analyze decades-old paint samples and determine that Picasso used common house paint, known as Ripolin. This discovery offers insights into the development of new materials and sustainable energies.
A UC Riverside-led research team tested the hypothesis that low zinc levels delayed eukaryote diversification, finding instead high seawater zinc availability throughout Earth's history. The study suggests that ferruginous deep oceans and volcanic activity maintained stable zinc levels.
Researchers found that administering zinc to human blood and mice treated with the venom's compound could slow down pore-forming process in cells. Zinc gluconate treatment increased survival times in mice, suggesting a potential therapeutic option. The study proposes zinc as a life-saver for victims of Australian box jellyfish stings.
Agricultural Research Service study found that adding beef manure compost to soil at post-mining sites increased pH, plant-available nutrients, and microbial activity. The compost also lowered lead and zinc availability by 90%, promoting vegetative cover and reducing runoff.
A new study suggests that a massive planetary collision may have led to the evaporation of volatile elements on the moon, resulting in Earth's abundance of water. Researchers found severe depletion of zinc and other similar elements on the lunar samples, indicating a 'planetary-scale' evaporation event.
Scientists at the University of Leeds found that prion protein regulates zinc absorption in brain cells, linking it to memory and learning capabilities. The study may lead to new treatments for neurodegenerative diseases like Alzheimer's.
A new study finds that zinc transporters are dysregulated in old animals, leading to increased inflammation and oxidative stress. Experts recommend adequate dietary intake of zinc for the elderly, particularly through supplements or seafood/meat-rich foods.
Researchers at Oregon State University have confirmed the potential of zinc tin oxide for use in resistive random access memory (RRAM), a 'memristor' technology that could replace traditional flash memory. This new approach offers significant advantages, including smaller size, faster performance, and lower cost.
A study found a fourfold increase in dissolved zinc in the upper Snake River over the last 30 years, driven by warmer air temperatures. Rising temperatures also accelerated mineral weathering rates, leading to increased metal concentrations in other months.
Researchers from Kiel University and Hamburg University of Technology have developed Aerographite, a three-dimensionally interwoven porous carbon tube material that is incredibly strong yet extremely light. The material has unique properties, including being electrically conductive, ductile, and non-transparent.
New research finds that adding zinc to standard antibiotic therapy significantly reduces treatment failure risk in young children with suspected serious bacterial infections, such as pneumonia and meningitis. The study showed a 40% lower risk of treatment failure and a 43% reduced risk of death among children given zinc.
Purdue researchers create new metamaterials by replacing traditional metals with aluminum-doped zinc oxide, offering improved performance and semiconductor compatibility. This breakthrough enables the development of ultra-powerful microscopes, advanced sensors, and more efficient solar collectors.
A study published in CMAJ found that oral zinc treatments significantly reduced the duration of common cold symptoms in adults, with high doses being more effective. However, there was no apparent effect in children and a higher risk of adverse effects such as bad taste and nausea.
Biologists at Ruhr-University Bochum discovered novel functions of the metal-binding molecule nicotianamine, which regulates iron and zinc transport in plants. The research provides important clues for breeding crops with increased zinc content to prevent health problems caused by deficiencies.
A UCI-led study reveals how Salmonella thrives in the digestive tract despite the immune system's best efforts to destroy it. The findings highlight a novel molecular mechanism allowing the bacteria to acquire zinc and promote its growth.
Researchers at the University of Science and Technology of China discovered that Mn-doped ZnS exhibits paramagnetic behavior due to isolated Mn ions in the lattice. This makes it unsuitable for use as a dilute magnetic semiconductor, contrary to previous hopes.
A new study published in BMC Medicine found that zinc supplements drastically improved children's survival rates from pneumonia when used alongside standard antibiotic therapy. The treatment was especially effective for HIV-infected children, who saw a 26-fold increase in survival rate.
Researchers have identified a key switch that releases zinc into cells, which could be used to block cancer development and halt tumor growth. Zinc levels are controlled by protein molecules called zinc transporters, and understanding how these transporters release zinc has important implications for disease treatment.
A recent study published in PLOS Medicine found that zinc supplementation does not protect young Tanzanian children against malaria. The research suggested that multi-nutrient supplementation may even increase the risk of malaria in children with iron deficiency.
Researchers discovered zinc's critical role in regulating neuronal communication, affecting memories formation and learning. The study found that removing zinc interferes with long-term potentiation, a process important for memory and learning.
Researchers at Rensselaer Polytechnic Institute have developed a new way to decrease zinc oxide's thermal conductivity without reducing its electrical conductivity by adding aluminum. This innovation could lead to new technologies for harvesting waste heat and creating energy-efficient systems, such as cars, aircraft, and power plants.
A study by Duke University researchers found that zinc plays a critical role in regulating communication between brain cells, particularly in the hippocampus. The discovery could lead to a better understanding of memory formation and epilepsy.
Zinc lozenges have been found to reduce the duration of common cold episodes by an average of 42% for trials using zinc acetate in high doses. However, low-dose zinc lozenges showed no effect on cold duration.
Researchers developed a new catalyst material that converts bio-ethanol into isobutene in one step, reducing costs. This process enables the creation of valuable chemicals such as tire rubber and safer solvents, expanding the applications for sustainably produced bio-ethanol.
A meta-analysis of 13 trials found that zinc lozenges shortened the duration of common colds by an average of 32%, with higher doses showing greater reductions. Zinc lozenges were generally well-tolerated, with no significant long-term harm observed.
Researchers have developed piezoelectric resistive switching devices that use zinc oxide nanowires to control memory cells through electromechanical modulation. The devices can detect electronic signals from mechanical actions in the biological world, enabling a new way to interface biology and electronics.
Researchers have developed a new semiconductor nanowire laser technology that can potentially kill viruses, increase storage capacity of DVDs, and provide superfast data processing. The discovery uses p-type zinc oxide nanowires, which can offer smaller sizes, lower costs, and higher powers.
Scientists have developed a sensor to detect zinc in zebrafish, which could help understand the role of zinc in diseases like type 2 diabetes, prostate cancer, and Alzheimer's. The new technology has been successfully tested and is expected to aid further research into these conditions.
Recent research found that zinc acts like a security guard to prevent amylin from forming harmful clumps. In healthy individuals with normal zinc levels, amylin helps regulate blood sugar, but in zinc-starved environments, it forms toxic aggregates.
Researchers successfully fabricate and test a new type of solar cell using inorganic core/shell nanowire structures with high bandgap semiconductors. The device efficiently absorbs visible wavelength light and shows potential as an affordable and durable solar energy solution.
A worldwide problem, zinc deficiency can cause health issues; proper denture care and regular dental check-ups are essential for safe use of zinc-based adhesives.
Researchers have developed a new class of optical fibers using zinc selenide, enabling more efficient light manipulation and transmission in the infrared spectrum. This breakthrough has potential applications in medical lasers, countermeasure lasers, and environmental monitoring.
A systematic review published in The Cochrane Library found that zinc supplements reduce the severity and duration of illness caused by the common cold. Zinc syrup, lozenges or tablets taken within a day of symptom onset reduced symptoms severity and length of illness.
Researchers discovered that removing ZIP proteins protects brain cells from seizures and other insults. Zinc enters cells through ZIP transporters, and its removal is an effective way to protect memory circuits.
Researchers have successfully created a metal-methane hybrid molecule by inserting metal atoms into methane gas molecules, potentially advancing industrial hydrocarbon chemistry. This discovery could lead to the creation of more complex and valuable products from simple compounds like methane.
A study led by the University of Colorado at Boulder found a four-fold increase in dissolved zinc over 30 years in the Snake River watershed, affecting stream ecology and fish populations. Climate change is believed to be the cause, linked to changes in groundwater conditions and snowmelt patterns.
Researchers at Brookhaven National Laboratory have discovered that the uptake protein ZIP acts like a door, facilitating zinc entry into cells. Zinc is crucial for cellular growth and health, and understanding its uptake could lead to breakthroughs in biomedical and energy research.
Researchers at Georgia Tech have developed nanogenerators that can harness mechanical energy from the environment to power small electronic devices. The devices, which use an array of tiny nanowires, can generate up to three volts and 300 nanoamps, enough to drive commercial displays, light-emitting diodes, and laser diodes.
A recent report by the Nutrilite Health Institute found that Americans who don't meet their daily fruit and vegetable recommendations tend to have lower intakes of vitamins A, C, and E, zinc, and selenium. These nutrients are essential for a healthy immune system. The report suggests that incorporating more colorful plant-based foods i...
The researchers have developed a new class of electronic logic device using strain-gated transistors fabricated on a flexible polymer substrate, enabling logic operations powered by mechanical action. The devices can be combined to create self-powered, autonomous systems with memory, processing, and sensing capabilities.
Researchers found that nursing facility residents with normal zinc levels were 50% less likely to develop pneumonia compared to those with low zinc concentrations. Those with adequate zinc levels also had shorter durations of pneumonia and lower mortality rates.
Research from Northwestern University found that healthy eggs require high levels of zinc to mature and be fertilized. The study may lead to advances in fertility treatment by enabling doctors to assess the best eggs for successful embryo formation.
Researchers have developed a new method to create nanostructured surfaces using polystyrene spheres and zinc oxide, which can efficiently absorb sunlight and convert it into electricity. The 'sea-urchin'-shaped structures
A report examines the relationship between nasal zinc gels and loss of sense of smell in patients. The study found that intranasal zinc gluconate therapy may be associated with a permanent reduction in sense of smell due to chemical injury. Experts recommend increased FDA oversight for homeopathic medications to monitor their safety.
Researchers found that nanoparticles of zinc oxide are twice as toxic to colon cells as conventional zinc oxide. The study's results suggest that accidental ingestion of sunscreen products could lead to toxicity in humans.
Researchers have developed self-powered nanometerscale sensing devices that can measure pH levels or detect ultraviolet light using electrical current generated from mechanical energy. The devices use improved nanogenerators with zinc oxide nanowires, enabling flexible and low-cost fabrication on various substrates.
Researchers have identified a molecular regulator Hv1 that controls human sperm ability to fertilize eggs. Hv1 operates as a pore in the outer membrane of sperm cells, increasing internal pH levels. The findings provide new insights into male infertility treatment and marijuana's effect on sperm motility.
A team of Florida State University researchers has developed a way to measure the levels of zinc ions in biological samples using fluorescence microscopy. This technique could lead to better understanding of zinc's role in various physiological processes, including cell division, DNA synthesis, and immune function.
Researchers found that copper and zinc toxicity in soybeans is additive, with high copper inhibiting zinc adsorption and causing more extractable zinc. Soil texture also influenced the degree of toxicity, with coarse-textured soils being more susceptible.
Researchers present findings on zinc deficiency's role in allergic asthma, air pollution's significant health risk for patients with chronic lung diseases, and electrical stimulation as a potential bronchodilation treatment. Studies also explore the reduction of daily steroids in children with asthma and the association between high-do...
A first national campaign to scale up zinc treatment of diarrhea in Bangladesh increased awareness significantly, peaking at 90% in urban areas. However, actual usage of zinc tablets was found to be low, with only 25% of children receiving the correct 10-day course of treatment.
Using precision techniques, researchers pinpointed a single copper-oxide layer as the key to superconductivity in a material. The discovery could lead to precision engineering of ultrathin films with tunable superconductivity for higher-efficiency electronic devices.