Articles tagged with Polymer Engineering
Pitt and Princeton engineers develop a system that converts chemical energy into mechanical action, allowing two-dimensional polymer sheets to rise and rotate in spiral helices without external power. The self-assembly process creates a complex, three-dimensional structure resembling twisted yarn being formed by a rotating spindle.
A researcher at the University of Tsukuba has developed a method for producing electrically conductive polymers with helical configurations, which can convert linearly polarized light into circular polarization. This approach may lead to cheaper and more energy-efficient electronic displays.
Researchers at the Beckman Institute for Advanced Science and Technology observed structural chirality in achiral conjugated polymers, which can enhance solar cells' charge capacity. This discovery introduces new opportunities for research at the convergence of biology and electronics.
A team led by UMass Amherst food scientist Matthew Moore has received a $750,000 grant to develop portable biosensors for detecting noroviruses and mycotoxins in foods. The technology aims to provide quick, cheap, and effective detection without lab testing.
Researchers at Concordia University have developed a new platform technology called direct sound printing (DSP), which uses soundwaves to produce new objects. The process creates sonochemical reactions in minuscule cavitation regions, generating pre-designed complex geometries that cannot be made with existing techniques.
A team of researchers from Texas A&M University discovered helicoidal screw dislocations in layered polymers, enabling the easy diffusion of solvents through layers. This discovery has implications for stimuli-interactive structural colors, which are used in human-interactive electronics and health sensors.
Scientists at UMass Amherst developed a new theory to predict how double-gyroid networks form in polymer superstructures. The theory reveals the hidden geometry allowing polymers to assume this complex shape.
Researchers have successfully stored liquid fuels like ethanol in polymeric gels, drastically reducing evaporation rates and flammable gas mixtures. The development of this method aims to create safer work environments in industries that use liquid fuels.
Researchers at UMass Amherst have developed a new class of material called pZC that can withstand acidic stomach conditions and dissolve in the small intestine. This innovation could revolutionize oral medication delivery, increasing the number of medications that can be taken orally.
Researchers develop new membranes to capture more efficient CO2 from mixed gases, addressing trade-off between permeability and selectivity. The technology increases CO2 selectivity by up to 150 times while retaining relative high permeability.
Researchers developed a hair-thin patch that can measure pulse wave signals with high accuracy, creating a 2D pressure map on the wrist. This technology enables at-home diagnosis of cardiovascular diseases and pre-diagnosis of related conditions.
Researchers at UMass Amherst developed a new theory that allows for precise prediction of soft material failure. The breakthrough has major implications for polymer engineering and manufacturing, enabling the design of more efficient products.
Researchers at North Carolina State University have developed a new material with remarkable toughness and stretchiness, comparable to cartilage. The ionogels created by the team exhibit self-healing and shape memory properties, making them suitable for various applications.
Researchers at MIT have performed a systematic study on how different-sized polymer nanoparticles circulate in the body and interact with platelets to stop bleeding. They found that intermediate-sized particles (150 nanometers) were the most effective, with less likelihood of accumulating in off-target sites.
The University of Texas at El Paso Aerospace Center will engage in nuclear materials technology research with a five-year, $5 million grant from the US Department of Energy. This partnership aims to transform national nuclear security through nuclear material science applications and provide opportunities for underrepresented students.
Researchers have created a new rubber-like solid substance with surprising qualities: it can absorb and release large quantities of energy. The material is programmable, thanks to its use of tiny magnets embedded in an elastic substance, enabling predictable phase transitions.
Researchers create intelligent material that automatically controls heat transmission, enabling thermal insulation at low temperatures while dissipating excess heat during overheating. The study reveals a promising model for building thermal fields, providing new avenues for designing smart reactors for green chemical industries.
Researchers have developed a protein-based gel that can deliver anti-inflammatory growth factor progranulin to affected joints, halting post-traumatic osteoarthritis (PTOA) onset and progression. The study found that the gel provides prolonged release of progranulin and inhibits chondrocyte catabolism.
Scientists develop hairy cellulose nanocrystals to capture and remove excess chemotherapy drugs from the blood. The nanocrystals effectively removed over 6,000 milligrams of doxorubicin per gram, increasing DOX capture by two to three orders of magnitude compared to existing methods.
Scientists have created a new material using nanometer-scale ceramic particles decorated with polymer strands that exhibit enhanced toughness. The material's unique property allows it to dissipate energy from impacts rapidly, making it suitable for applications such as body armor and bulletproof glass.
Researchers at Lawrence Berkeley National Laboratory have developed water-walking liquid robots that can retrieve and deliver precious chemicals autonomously. The robots use chemistry to control buoyancy and do not require electrical energy, making them ideal for applications such as chemical synthesis and drug delivery.
Researchers at McGill University create injectable hydrogel that forms stable structure allowing cells to grow and repair injured organs. The material's toughness and porosity make it suitable for heart, muscle, and vocal cord repair.
Researchers at Durham University have developed a sugar-containing polymer coating that can repair damaged artificial joint implants by mimicking the way cartilage works to lubricate human joints. The coating uses water to create a slippery surface, protecting the surfaces from wear and tear.
Princeton researchers have solved a 54-year-old mystery about why certain fluids slow down under pressure when flowing through porous materials. The findings could help improve processes in oil recovery, groundwater remediation and more.
A team of UBCO researchers developed a recipe for a clean-burning, power-boosting aircraft fuel by adding graphene oxide nanomaterials to ethanol. This mixture improves the burn rate by about eight per cent, reducing carbon footprint and increasing engine power.
A team of researchers at UMass Amherst has developed a method to count the number of strength-enabling entanglements in glassy polymers, which can be used to create stronger, more cost-effective materials. By combining computer simulations with experimental processes, they found that not every entanglement contributes to the polymer's ...
Researchers studying azobenzene-based polymers found that free volume affects mechanical energy conversion, with a 10-fold increase in efficiency at higher volumes. This discovery could lead to new smart materials technology using light to control machine components.
Researchers at Harvard John A. Paulson School of Engineering and Applied Sciences have developed an elastomer that is both stiff and tough, resolving the long-standing conundrum in polymer science. The new material has high toughness, strength, and fatigue resistance, making it suitable for applications such as tissue regeneration, bio...
Lehigh University researchers are developing a model to understand the impact of grain growth on material properties. The project aims to create new materials informatics methods, innovative stochastic differential equations, and models of grain growth to improve material performance and reliability.
The Welch Institute has appointed Matthew Tirrell, a renowned material scientist, to chair its Scientific Advisory Board. His expertise in nanotechnology and biomolecular engineering will help the institute accelerate discovery and innovation in advanced materials.
Pengfei Cao, a polymer chemist at Oak Ridge National Laboratory, has been recognized for his significant contributions in polymeric materials science. He is the first ORNL scientist to win the award, which honors early-career emerging leaders who have made notable contributions within seven years of beginning their independent careers.
Researchers developed a new phosphorescent material inspired by wood's natural ability to faintly glow, using lignin trapped within a 3D polymer network. The material glows visibly for around one second and has potential applications in medical imaging, optical sensing, and textile industry.
Scientists have developed novel gas sensors with improved detection sensitivity and durability by combining organic and inorganic materials. The hybrid sensors boast high durability and high sensitivity, making them suitable for portable gas sensing applications.
Researchers have successfully synthesized AIE-active nanoparticles in a single step, producing fluorescent sensors that can detect nitroaromatic compounds with high sensitivity. The novel solid-state sensors show quenching of fluorescence emission on contact with PA, enabling fast and accurate detection of explosives.
Researchers at Skoltech developed a mathematical model for thermoplastic composite materials, reducing conservatism in strength calculations. The model allows for virtual testing of structures, minimizing manufacturing costs while ensuring safety and quality requirements.
Scientists at the University of Chicago have developed a new approach called click-to-polymer (CLIP) to attach functional units to polymer semiconductors, overcoming limitations in their functionality. The CLIP method enables the creation of multifunctional conjugated polymers for human-integrated electronics, including disease detecto...
Scientists at Tokyo University of Science developed a copper-containing polymer that greatly enhances the antibacterial activity of hydrogen peroxide. The use of these tailored polymers resulted in higher catalytic activity and more effective killing of bacteria, opening up new design avenues for antimicrobial drugs.
David C. Martin, a University of Delaware professor, is advancing novel polymeric materials to integrate electronics with human brain tissue. He has been named a Materials Research Society Fellow for his work on conjugated polymers for interfacing electronic biomedical devices with living tissue.
The UMass Amherst team has made a significant breakthrough in creating ultrathin flexible materials that can self-organize and respond immediately to mechanical force. By modifying the curvature and tension of a membrane, researchers were able to control the positions of tiny solid plates within the membrane.
Researchers found that microbes from termite species can break down lignin, the toughest of three polymers in straw, up to 37%. The microbes also efficiently degrade hemicelluloses and cellulose, which could lead to increased biofuel production.
A novel film developed by NUS researchers can evaporate sweat six times faster and hold 15 times more moisture than conventional materials. This breakthrough technology can power small wearable devices like watches and fitness trackers.
The study found that repetitive cycles of wet-dry conditions led to progressive evolution of polymer compartments, affecting molecule exchange and composition. This research sheds light on prebiotic Earth and has implications for designing electronics and drug delivery systems.
Researchers successfully degrade PET plastic using a two-enzyme system and engineered chimeric enzyme that works synergistically to break down the plastic pollutant. The discovery could lead to new methods for plastics depolymerization, offering an alternative to traditional recycling methods.
A new study demonstrates a modified 3D-printing process producing multiple colors from a single ink by mimicking nature's structural coloration. The method uses nanoscale structures called photonic crystals to reflect light and produce vivid colors.
Researchers at Rice University have found that the size of the space trapping petrochemicals is the primary factor behind puzzling NMR signals, leading to better interpretation of logs in unconventional shale formations. The discovery is crucial for extracting oil and gas safely and economically.
New research published in PNAS finds the missing link between soft surface adhesion and the roughness of the hard surface it touches. The study reveals that small-scale roughness can create more surface area for soft materials to grip, explaining predicted adhesion behavior.
Researchers at Rice University developed bottlebrush copolymers to refine surface coatings, making them more waterproof or conductive. The polymers' migration to top and bottom of thin films can effectively decouple properties of bulk coating from exposed surfaces.
Researchers at Rice University have created a new type of polymer that is nearly as hard as diamond and can deflect bullets more effectively than solid materials. The polymers are inspired by theoretical structures called tubulanes, which were predicted to have extraordinary strength.
UD researchers create a network of synthetic materials mimicking the mechanical gradient of a bristle worm's jaw system, governing its mechanical properties through metal coordination chemistry. This breakthrough enables the development of new materials for various applications, including soft robotics and medical devices.
A team of researchers, led by Professor Yu Zhu, has developed a novel shear-thickening electrolyte that can improve the safety of lithium ion batteries used in electric vehicles. The electrolyte becomes thicker under impact, preventing short-circuiting and fires.
Researchers developed a new methodology to create stretchable polymer composites with improved electrical and thermal properties. The materials are promising candidates for use in soft robotics, self-healing electronics, and medical devices.
Researchers at University of Akron discover the secret behind spider silk's sticky properties in humid conditions. They found that a combination of glycoproteins and low molecular mass compounds helps sequester interfacial water, preventing adhesive failure.
Self-assembled block polymer membranes offer customizable pore sizes and can selectively remove contaminants from various water sources. The technology has the potential to advance water treatment technologies, enabling decentralized reuse of wastewater and reducing chemical demands for membrane cleaning.
A team of researchers has developed potentially safer polymers that could replace BPA in thermally printed receipts and labels, reducing environmental and health concerns. The new polymers, called BPAF-N-type, have similar properties to BPA and are suitable for various applications.
Professor Sang Yup Lee was elected as a foreign associate to the US National Academy of Sciences (NAS) and previously to the US National Academy of Engineering (NAE). He is the first Korean to be elected to both prestigious academies, recognized for his leadership in microbial biotechnology and metabolic engineering.
A new theory by Murugappan Muthukumar accurately measures charged macromolecules like proteins and DNA. The Stokes-Einstein formula works for charged molecules by accounting for small ions that neutralize charges.
A new study introduces a novel hybrid polymer for producing 3D-printed scaffolds suitable for seeding living cells, enabling the creation of engineered tissues. The researchers successfully fabricated scaffolds using commercial 3D printers and demonstrated high cell survival rates.
Biomedical engineering graduate students Renata Minullina and Abhishek Panchal from Louisiana Tech University have developed a novel approach to clean up oil spills using halloysite Pickering emulsification. Their research was selected from over 230 international entrants at the ACS Meeting in San Diego.
The University of Akron researcher is designing a new class of tough double-network hydrogels with unique mechanical toughness and self-healing properties. These hydrogels can be used in various applications such as wastewater treatment, tissue engineering, and drug delivery.
Researchers from Drexel University have created a new method for producing polymer nanobrushes that repel dirt, allowing for greater control over their shape and size. This breakthrough enables the creation of more efficient and durable brush coatings with improved friction reduction, opening up new possibilities for various applications.