Articles tagged with Microparticles
Scientists at UCSF created a new material that enables more predictable organoid growth, allowing for better study of disease and potential tissue replacement. The dynamic gel, invented by Zev Gartner, mimics the body's soft environment and enables precise 3D printing of stem cells.
Researchers at Pohang University of Science & Technology have successfully synthesized Prussian Blue with an octahedral morphology by using a specialized solvent. The new crystal shape enhances electrochemical reactivity and stable performance in sodium-ion hybrid capacitors.
Researchers have confirmed the existence of hidden motions in granular materials like soil and snow, which can control their movement. This discovery could help understand how landslides and avalanches work, as well as benefit industries such as construction and grain filling.
Researchers found surprisingly high concentrations of small-diameter microplastics in air samples from their homes and cars, estimating adults inhale 68,000 particles per day. The study suggests health risks due to inhalation of lung-penetrating microplastics may be higher than previously thought.
Researchers found that sewage spills from land to sea coincided with winds of at least 6.5m/s on 178 days within a two-year period, potentially sending microplastics into the air. The study suggests that coastal towns and cities may be exposed to billions of airborne microplastic particles.
A new research article analyzes 103 scientific studies on microplastics and nanoplastics from food packaging, revealing that normal use of FCAs is a source of MNPs in food. The study highlights the need for harmonized testing and reporting framework to inform policy decisions.
A new study presents a two-step method to effectively dismantle bacterial biofilms and prevent regrowth. By using self-locomotive antibacterial microbubblers (SLAM) followed by a mixture of hydrogen peroxide and peroxyacetic acid, researchers were able to prevent the regrowth of biofilms on surfaces, including medical instruments.
MIT researchers develop polymer microparticles that release vaccine doses at predetermined times after injection, reducing the need for follow-up shots. The particles showed comparable antibody levels to traditional vaccines in mice, paving the way for potential childhood vaccines with fewer doses.
A new smart window technology combines liquid crystals with nanoporous microparticles and a patterned vanadium dioxide layer to simultaneously control visible light and infrared radiation. The device offers fast, efficient heat and visibility management, marking a significant step forward in energy-efficient building design.
The researchers created a 'metasheet' with an elastic polymer and embedded magnetic microparticles that can move like a wave when controlled by a magnetic field. This technology has potential for use in confined spaces, allowing objects to be lifted and moved without physical contact.
The study utilized biocompatible polymethyl methacrylate microspheres for controlled antigen delivery, demonstrating improved immunogenicity of tetanus toxoid. Microsphere formulations showed significant immune response, with optimal polymer concentrations required to meet I.P. requirements.
Researchers at MIT have designed tiny particles that can be implanted at a tumor site, delivering heat and chemotherapy to treat cancer. The treatment approach has been shown to completely eliminate tumors in most mice and prolong their survival.
Researchers use tongue and groove technique inspired by ancient East Asian wooden structures to create advanced ceramic microparticles with unprecedented complexity and precision. These particles can be used in various applications across microelectronics, aerospace, energy, and medical engineering.
Researchers at Rice University have developed a time-release technology called PULSED that could help protect against poliomyelitis in combination vaccines. The technology would allow poliovirus-like particles to be released from microparticles after a few days, ensuring full vaccination efficacy.
Researchers create a miniature, chip-based 'tractor beam' that can capture and manipulate cells at distances of over a hundred times further away from the chip surface. This technology has the potential to revolutionize biologists and clinicians' ability to study DNA, classify cells, and investigate disease mechanisms.
A new study published in PNAS suggests that delivering microparticles containing CCL2 directly to the gums can inhibit bone loss and speed up bone repair in a mouse model of periodontal disease. The therapy modulates the immune response, shifting macrophages from inflammatory M1 type to anti-inflammatory M2 type.
A study published in Nature Sustainability has found an antidote to neonicotinoids, a class of pesticides killing bees. The treatment involves tiny ingestible microparticles that physically bind to the pesticide, leading to 30% higher survival rates and reduced symptoms in bumblebees.
Researchers developed a dissolvable microneedle patch to deliver immunomodulatory microparticles containing bifunctional molecules, such as azithromycin, to treat periodontitis. The patch demonstrated therapeutic outcomes by suppressing bacterial growth and modulating immune responses in both in vitro and in vivo studies.
A new study published in GEN Biotechnology describes the establishment of a 3D hydrogel-based platform for producing functional T-cells from hematopoietic stem and progenitor cells. The platform was engineered with key thymic components to direct T-cell development, producing cytokine-producing T-cells.
Researchers have developed a method to create and repurpose artificial hairs with magnetic properties, enabling the control of motion at room temperature. The technique involves programming and reprogramming the magnetization of the magnetic particles in the cilia, allowing for changes in their behavior.
EPFL researchers develop DNGEs, 3D-printable double network granular elastomers that can vary their mechanical properties. These inks enable the creation of flexible devices with locally changing properties, eliminating the need for cumbersome mechanical joints.
New research from University of California San Diego and Algenesis shows that their plant-based polymers can break down in under seven months, even at the microplastic level. This discovery offers a sustainable solution to the environmental and health impacts of microplastics.
A recent study found that even extremely low levels of pesticide exposure can cause lasting behavioral changes in fish, extending to offspring never exposed firsthand. The impact also raises concerns for all vertebrates, including humans.
Physicists at Leipzig University have developed a neural network that uses active colloidal particles for artificial intelligence. The system reduces noise and increases efficiency in calculations by utilizing past states of the reservoir.
Researchers discovered how biological information travels between mothers and babies during pregnancy. Microscopic extracellular vesicles, produced by placental cells, act as a protective mechanism transporting important biological information to emerging neurons.
Researchers found an average of 41 microplastic particles per square meter per day settled from the atmosphere, while sediment samples contained denser particles with higher population densities. The study suggests clothing is likely the prominent source of microplastics to the Ganges River system.
Lehigh University researchers have discovered that applying magnetic forces to individual 'microroller' particles can spur collective motion, allowing the grains to flow uphill, up walls, and climb stairs. This counterintuitive phenomenon has potential applications in mixing, segregating materials, and microrobotics.
Scientists at the Terasaki Institute for Biomedical Innovation have developed a new bioink that enhances the formation of mature skeletal muscle tissue from muscle precursor cells, increasing efficiency and potential therapies for muscle loss or injury. The bioink's sustained delivery of IGF-1 promotes muscle regeneration and repair.
A team of researchers developed a pioneering technological solution using diamond-based anti-counterfeiting labels with unique Physically Unclonable Functions. The labels can be scanned using a phone, making them highly suitable for commercial products, and are extremely tough and cheap to produce.
Researchers replicate the movement of algae and hurricanes using laser beams and microscopic rotors, offering new insights into complex natural dynamics. The study demonstrates the ability to reproduce synthetically the dance of algae on a cellular scale.
Researchers estimate that gray whales off the Oregon Coast consume millions of microparticles per day, primarily from zooplankton and fish. The study suggests that these high loads of microfibers may be affecting the health and behavior of the whales, with potential consequences for their populations.
A group of scientists from the JIHT, HSE and MIPT have developed a novel solution: OpenDust, a fast, open-source code that performs calculations ten times faster than existing analogues. The algorithm uses multiple GPUs simultaneously to accelerate computations.
A recent study published in Environmental Science & Technology found that cutting boards made of plastic and wood can release tens of millions of microparticles when chopped, which may have negative health impacts if ingested. The researchers estimated that polyethylene microplastics could produce 14 to 71 million particles per year.
Scientists from the Institute of Industrial Science, The University of Tokyo, have used in situ confocal microscopy to study colloidal gels. They found that different local particle arrangements uniquely modulated the properties of the gel, with tetrahedra arresting motion and pentagonal bipyramid clusters imparting solidity.
A cell therapy using myeloid cells bound to drug delivery microparticles reduces disease burden in a preclinical multiple sclerosis model. The therapy partially reverses hind limb paralysis and improves motor functions.
Researchers at Shinshu University developed a microfluidic device using acoustic focusing to collect microplastics from water. The device achieved a 105-fold enrichment of MPs, making it an efficient solution for removing microplastics from laundry and industrial wastewater.
Researchers developed a biologically inspired 'vaping robot' to mimic human breathing patterns and tested commercially available e-liquids containing menthol. The study found that menthol vapers took shallower breaths and had poorer lung function compared to non-menthol smokers, regardless of age or smoking history.
Researchers at Shinshu University have developed a closed-loop recycling process for polymers using microparticles, resulting in fully recyclable films with high mechanical stability and fracture energy. The strategy enables the reuse of polymer materials, reducing plastic waste and environmental pollution.
A new study finds that rising temperatures will increase harmful plant emissions and dust, leading to a 14% boost in air pollution. The degradation in future air quality from natural sources is predicted to be significant, with two-thirds of the pollution coming from plants.
A new laboratory study shows that microplastics increase the severity of an important viral fish disease. Nylon fibers had the greatest impact on disease severity. The findings have major implications beyond fish farming, affecting human health and natural environments.
Researchers developed a blood test using circulating microparticle proteins to predict placenta accreta spectrum (PAS) cases as early as the second trimester. The study found five unique proteins that can distinguish PAS patients from control patients, enabling safe predication before delivery.
Researchers have developed a way to encapsulate vitamin A in a protective polymer, preventing its breakdown during cooking or storage. The technology has shown similar bioavailability when consumed as bread fortified with encapsulated vitamin A compared to eating vitamin A on its own.
Researchers developed a novel method for creating microspheres using a low-cost 3D printer, increasing efficiency and reducing costs compared to traditional methods. The new device produces high-throughput uniform polymer microsphere materials with significant economic value.
Researchers from SMU and ARA demonstrate that chemical coatings alter microparticle propulsion in biological fluids. The study offers new approaches to drug delivery strategies by designing specialized surface coatings for precise navigation.
A new study documents past changes in Earth's climate system by analyzing dust composition in samples collected from different areas and depths of the same glacier. The findings suggest that a complete dust record could offer more secrets than scientists realize, hinting at potential long-term perspectives on the Central Asian dust cycle.
A study found widespread occurrence of microplastics in Monterey Bay water and in the digestive tracts of anchovies and common murres. The researchers discovered that almost a quarter of the examined murres had particles exhibiting estrogenic activity, potentially disrupting hormone functions.
Researchers at MIT have created biomedical devices made from aluminum that can be disintegrated by exposing them to a liquid metal called eutectic gallium-indium. This process could eliminate the need for surgical or endoscopic procedures to remove medical devices, such as staples and stents.
Researchers at MIT designed simple microparticles that can collectively generate complex behavior, generating a beating clock that can power tiny robotic devices. The particles use a simple chemical reaction to interact with each other and create an oscillatory electrical signal.
A research team led by Dr Chen Ting-Hsuan developed a new rapid antibody test that shows the level of antibodies readable by the naked eye, displaying results as a length of a visual bar like a mercury thermometer.
Scientists at Imperial College London have created a laser device that can reconfigure its structure in response to changing conditions. The innovative technology mimics the properties of living materials, enabling self-healing, adaptation, responsiveness, and collective behavior.
A new method called sensPIV has been developed to measure both flow and oxygen concentrations simultaneously at the smallest scales. This breakthrough allows researchers to study how corals generate flows, increasing oxygen transport, and has potential applications in life sciences, microfluidics, and medicine.
Researchers at the University of São Paulo developed a natural antioxidant from unripe acerola, replacing banned synthetic additive TBHQ. The antioxidant microparticles were found to be effective in a range of applications, including food products and cosmetics, without affecting color, flavor or odor.
A new form of drug delivery microparticle mimics the properties of a red blood cell, enabling controlled release of drugs and targeting specific destinations. The goal is to bypass the body's filtration systems, allowing for improved efficacy and reduced negative side effects.
Researchers at Argonne National Laboratory discovered how microparticles can change direction when an electric stimulus is interrupted and reapplied with the same orientation. This emergent behavior has potential applications in microfluidic pumps for biomedical, chemical, and electronics applications.
A study has developed a method using dark-field microscopy and deep learning algorithms to identify microplastics in human cells, achieving an accuracy of 93% for 1-micron polystyrene particles. The technique has the potential to screen microplastics in various samples, reducing time-consuming data acquisition and processing steps.
A new study found that over 70% of microplastics in ocean and river samples could come from scientists collecting them. The researchers used a catalogue to identify potential sources of contamination, finding that even small items like clothing and gear contributed significantly.
Scientists developed a novel method to detect hormonally active substances in products, which can cause serious health problems. The new approach uses immobilized sulfotransferases and microparticles to quickly and easily detect low concentrations of these substances.
Researchers found that additives in commercial shopping bags boost the conversion of solid plastics into water-soluble compounds under sunlight. The compounds vary depending on the additives used, with some bags releasing up to 15,000 dissolved compounds.
A study published in PLOS Biology suggests that microparticle concentrations in lakes are higher than previously reported and can be predicted by surrounding land use. The researchers found that areas with more human activity and lower forest cover had higher microparticle concentrations, while lakes with more active microorganisms had...
A new study quantifies the contribution of agricultural and forest fires to poor air quality in Southeast Asia, finding that preventing these fires could reduce premature deaths by an estimated 59,000 annually. The region's poorest communities are disproportionately exposed to air pollution from these fires.