Articles tagged with Chemical Engineering
Researchers at POSTECH have developed a bioink using alginate from algae and visible light, resulting in enhanced cell viability and printing resolution. This innovation could lead to the creation of artificial organs and tissues, as well as cultivated meat with lower environmental impact.
A new camera technology developed by Aarhus University and Newtec Engineering A/S aims to make it easier to recycle plastic materials. The technology uses hyperspectral imaging to analyze the chemical composition of plastic waste, allowing for the removal of unwanted additives that may be banned or harmful.
A new research project, LC-H2, will develop next-generation electrodes to boost energy efficiency in electrolysis. This will help reduce grey hydrogen's carbon footprint and increase the share of green hydrogen in European energy systems.
Researchers developed a rapid mixing reaction method to synthesize trifluoromethyl intermediate from fluoroform, taking less than a second. The new technique allows for improved yield of fluoride-based compounds and introduces a robust synthesis method for fluorine-based drugs.
A €2.5million European research programme, FRIETS, is increasing the shelf-life of berries through high-precision agriculture and innovative processing methods while maintaining quality. The four-year project combines precision agriculture strategies with dehydration and edible coating methods to discover healthier food alternatives.
Researchers at Nanyang Technological University found that cells near wavy shaped wounds moved in a swirling manner, while those near straight wounds moved in straight lines. This discovery reveals that the swirling motion is crucial for gap-bridging and accelerates wound healing in wavy wounds.
Researchers at Pohang University of Science & Technology developed a selective catalyst that curbs corrosion in fuel cells, increasing durability three times compared to traditional catalysts. The catalyst's performance is attributed to the robust interaction between titanium dioxide and platinum.
A new alkaline thermal treatment (ATT) technology produces hydrogen from biomass with significant potential for negative carbon emissions. The study highlights the importance of alkali and catalysts in the reaction mechanism, suggesting strategies to enhance efficiency and overcome kinetic limitations.
A POSTECH research team has successfully mass-produced metalenses for visible light, overcoming previous limitations in fabrication and efficiency. By combining photolithography and nanoimprint lithography, the team achieved high-speed production of high-performance lenses with improved efficiency up to 90%.
Researchers are working to develop battery cells that can be easily recycled, reducing the environmental impact of electric cars. The goal is to unlock the full potential of electric vehicles by reusing valuable materials in batteries.
Researchers at Northwestern University have developed a new catalyst that converts captured carbon dioxide into acetic acid with high efficiency. The innovation uses electrochemistry to convert CO2 into products with established markets, offering new pathways for improving the economics of carbon capture and storage.
Researchers have created a novel bioadhesive material to facilitate stem cell transplantation into damaged cartilage. The adhesive, derived from mussel protein and hyaluronic acid, enables the secure encapsulation of stem cells, promoting cartilage regeneration.
Researchers created microscale origami machines that can self-fold and operate in dry environments, paving the way for autonomous devices. The machines use a chemical reaction to deform and bend, acting as a 'hinge' to achieve motion.
A new metric called a correlation ratio has been developed to correlate microscopic-level processes with macroscopic-level behavior in soft materials. This breakthrough allows for the design of new soft materials by tweaking microscale parameters to achieve desired macroscale properties.
Researchers at POSTECH developed seawater batteries with improved performance by incorporating chelating agents, overcoming limitations of traditional lithium-ion batteries. The new design achieved high energy efficiency and capacity, making it a promising candidate for next-generation energy storage systems.
Researchers at Colorado State University have created a new chemical strategy to deliver universal dynamic crosslinkers into mixed plastic streams, transforming them into viable new polymers that can be turned into higher-value materials. The method makes post-consumer plastics usable as a new kind of material with useful properties.
A two-component system designed by MIT engineers has shown promising results in stopping internal bleeding in mouse models. The system, which mimics the body's natural clotting process, uses a nanoparticle and polymer to recruit platelets and form blood clots at injury sites.
A team of researchers at Binghamton University partnered with Brookhaven National Laboratory to investigate copper oxide peroxides and their effects on oxidation reactions. They used two spectroscopy methods to observe changes in the surface of copper oxide and found that peroxides enhance H2 oxidation but inhibit CO oxidation.
A new liposome-based method aims to kill periodontitis-causing leukotoxin while protecting immune cells, providing an alternative treatment for aggressive gum infections. The approach has potential applications against a range of bacteria and could help combat antibiotic resistance.
Researchers at POSTECH have successfully developed perovskite solar cells using novel additives, achieving high power conversion efficiency and fill factor. The use of alkylammonium formats enables the elimination of surface defects, leading to more stable and efficient solar cells.
Researchers at Colorado State University propose using ultrathin films of molybdenum disulfide to improve solar cell efficiency. The material displays unprecedented charge carrier properties that could lead to drastic improvements in solar technologies.
A new study published in Scientific Reports has revealed the presence of starch glue, vinyl glue and mercury sulphide particles causing black stains on the passepartout. The research used non-invasive and micro-invasive analysis techniques to understand the phenomenon.
Scientists have developed a method to activate protein functions using brief flashes of light, enabling precise control over when and where chemical reactions occur. This technology has potential uses in tissue engineering, regenerative medicine, and understanding biological processes.
Researchers at Tohoku University developed a method for creating molecular robots using artificial multicellular-like bodies made of phospholipids and synthetic surfactants. The technique allows for the assembly of micron-sized compartments that can combine to form heterogeneous structures with multiple functionalities.
Researchers at ETH Zurich have decoded details of how cyclic peptides cross cell membranes, providing a new understanding of their mechanism. This knowledge can help speed up drug discovery by identifying ideal side chains for these molecules.
The funding will support the development of next-generation delivery technology for mRNA vaccines and CRISPR-based genome editing. This will enable broader application of messenger RNA therapeutics, including for various diseases and immunological properties of nanoparticles.
Researchers explored multicomponent electrocatalysts for activating and converting inert bonds in CO2 and N2. Three models were developed: Type I, II, and III, offering advantages in stability, activity, and reaction processes. Future directions involve scaling up and integrating these processes into industrial applications.
Engineers at UMass Amherst invent bilayered fabric that traps warmth like polar bear fur, keeping wearer comfortable in cold temperatures. The fabric is also lightweight and efficient, making it a sustainable alternative to traditional insulation.
A novel biorefinery process has been developed to minimize the usage of external utilities by reusing by-products from biomass production. The process successfully reduced the total process energy and supplied it by itself, as well as utilizing excess solid by-products for building materials and other purposes.
Researchers at Argonne National Laboratory and University of Chicago developed a hybrid simulation process using IBM quantum computers to solve electronic structure problems. The new method uses classical processing to mitigate noise generated by the quantum computer, paving the way for future improvements.
Researchers at UW-Madison developed a model of how catalytic reactions work at the atomic scale, potentially allowing for more efficient catalysts and enormous energy savings. The new framework challenges established assumptions about catalysis, its relevance to non-metal catalysts, corrosion, and tribology.
Researchers predictably synthesized broadband white-light-emitting perovskites using a steric hindrance regulation strategy, exhibiting tunable emission from 400 to 800 nm. The approach opens a general way to directed synthesis of abundant white-light-emitting perovskites.
Researchers at Duke University have produced the world's first fully recyclable printed electronics that replace hazardous chemicals with water in the fabrication process. The demonstration points to a path towards reducing environmental footprint and human health risks in the electronics industry.
Researchers at the University of Illinois have identified a novel class of ribosomal peptides called daptides, which exhibit hemolytic activity. This discovery opens up new avenues for therapeutic development and highlights the vast potential of undiscovered RiPP classes.
A novel copper-containing polymeric filter can effectively capture carbon dioxide from the air, converting it into sodium bicarbonate that can be released harmlessly into the ocean. The technology has garnered international attention and could be powered by renewable energy in the future.
Researchers have developed a functional polymeric binder for stable, high-capacity anode material that can increase the current EV range at least 10-fold. The new polymer utilizes hydrogen bonding and Coulombic forces to control volumetric expansion, resulting in a thick high-capacity electrode and maximum energy density.
Researchers developed innovative contrast-enhancing agents to tackle limitations of photoacoustic imaging, including low SNR, image contrast, and targeted delivery. The study suggests promising strategies such as photoswitching agents, near-infrared-II agents, and micromotor agents.
Researchers at Chalmers University of Technology have developed a cellulose-based material that can easily remove 80% of toxic dyes from wastewater using sunlight. The method is cost-effective, simple to set up, and could benefit countries with poor water treatment technologies.
Researchers at UChicago develop a more efficient and less toxic method to create MXene material, enabling new applications in electronics and energy storage. The breakthrough allows for the production of large amounts of materials with minimal waste, paving the way for innovative technologies.
A team of MIT researchers has created an 'unclonable' label system to combat counterfeit seeds in Africa, where fake seeds can cost farmers up to two-thirds of expected crop yields. The system uses biodegradable silk-based tags with unique codes that cannot be replicated.
The research demonstrates that low concentration ether-based electrolyte can successfully endure the long-term high voltage operation of practical LMB. The findings show that regulating solvation structure and adjusting surficial electric double layer can prevent degradation and improve performance.
Researchers developed a chemical scissors-mediated structural editing strategy to regulate the structure and elemental composition of MAX phases/MXenes. This approach enables the creation of novel MAX phase and MXene materials with improved functional applications.
Researchers from POSTECH and University of Ulsan developed an omnidirectionally stretchable pressure sensor mimicking the structure and function of a crocodile's sensory organ. The sensor maintains sensitivity to pressure even when subjected to significant deformation, enabling its use in various wearable devices.
Researchers developed a self-driven lab, AlphaFlow, that uses AI to optimize complex chemical reactions and discover new materials. The system significantly reduces the time needed to develop new chemistries from months to hours.
Researchers at Pohang University of Science & Technology (POSTECH) created a multifunctional vortex beam capable of operating with a wide range of light frequencies using a metasurface. The breakthrough technology has the potential to store more information at the same frequency, paving the way for 6G communication systems.
A new method developed by scientists at Argonne National Laboratory and Cornell University converts used HDPE into a fully recyclable and potentially biodegradable material. The approach uses catalysts to break polymer chains, making the material easier to decompose.
A new coating material developed by Korean researchers facilitates bone regeneration and attracts osteo-progenitor cells, significantly improving the success rate of dental implants. The coating, loaded with BMP-2, prevents non-osteogenic cell invasion and induces high bone differentiation in a short period.
A new study from the University of Pittsburgh reveals that metal organic frameworks (MOFs) can heat up significantly when absorbing gases, leading to a loss of efficiency. The researchers identified MOFs with high densities and small pores as more capable of conducting heat, paving the way for their practical commercial implementation.
The new technique allows for the production of a dozen different soft polymer material morphologies, including ribbons, nanoscale sheets, rods, and branched particles. By precisely controlling three sets of parameters during manufacturing, researchers can fine-tune the morphology of polymeric materials at the micro- and nano-scale.
Scientists at the Institute of Nuclear Physics Polish Academy of Sciences have developed new nanocomposites that spontaneously and continuously kill microorganisms. The composites use silver ions or copper ions to destroy cell membranes and oxidative shock, respectively, providing a durable and safe solution for biocidal materials.
Chemists have developed a high-performance catalyst specifically designed for solid-state mechanochemical synthesis, achieving efficient reactivity at near room temperature. The approach uses a metal catalyst attached to a long polymer molecule, which traps the catalyst in a fluid-phase, enabling fast and energy-efficient reactions.
The University of Houston researchers have developed a new test that uses glow-in-the-dark materials to improve the sensitivity and accuracy of at-home COVID-19 tests. The test, which can detect COVID-19 proteins more efficiently, has shown excellent results compared to commercial tests.
Chung-Ang University researchers develop a novel flexible supercapacitor platform with vertically integrated gold electrodes in a single sheet of paper. The design shows low electrical resistance, high foldability, and good mechanical strength, making it suitable for wearable devices.
Scientists create optical imaging method to detect specific neurotransmitters serotonin, dopamine, and acetylcholine using fMIP-NPs. The technique demonstrates feasibility in selective detection of neurotransmitters released in the brain.
Researchers at TU Wien have detected clear indications of chaos in chemical reactions on nanometer-scale rhodium crystals, a phenomenon previously unseen in atomic scale systems. The coupling behavior can be controlled by changing the hydrogen concentration, leading to a transition from ordered to chaotic behavior.
Scientists at Caltech have developed a method to move and arrange cells using ultrasound waves, which could enable tissue engineering and cell-based therapy. By harnessing the properties of gas vesicles derived from bacteria, researchers can apply force to cells in a selective manner.
A North Carolina State University study shows that yam seeds wrapped in a biodegradable paper made from banana fibers and cardboard grow larger and more abundantly than those without the paper. The 'wrap-and-plant' method also reduces post-harvest loss by minimizing nematode pest effects.
Researchers at Berkeley Lab have developed a new technique that captures real-time movies of copper nanoparticles as they convert carbon dioxide into renewable fuels and chemicals. The study reveals that metallic copper nanograins serve as active sites for CO2 reduction, paving the way for advanced solar fuel technology.
A new crosslinking strategy for organic-inorganic hybrid dielectric layers improves TFT performance by reducing leakage current and increasing stability. This approach enables low-power driving and easy manufacturing through solution processing, contributing to next-generation flexible electronic devices.
The addition of antioxidants to cell cultures can improve the production of monoclonal antibodies by reducing oxidative stress and increasing cell viability. This has potential benefits for therapies targeting cancer and autoimmune diseases.