Articles tagged with Chemical Properties
The study shows that PFAS-treated gear repels water but not oil or hydraulic fluid, posing a flammability hazard to firefighters. The research also reveals that PFAS-free gear performs similarly in terms of strength, but loses its oil-repelling properties after aging tests.
Scientists develop antiaromatic molecules that exhibit absorption and fluorescence bands in the near-infrared region, enabling deep biological imaging and photothermal therapy. This breakthrough holds potential for diverse NIR luminescent materials and applications in fields like healthcare, optoelectronics, and materials science.
Researchers at Xi'an Jiaotong-Liverpool University have developed a sensitive and robust pH sensor that can detect pH variation in just a few microliters of samples. The new sensor uses novel materials and methods to overcome the current method's limitations, which are not sensitive enough or fragile for commercial-scale use.
Researchers studied shark and skate skin mucus to understand its unique biochemistry. They found a thin, neutral mucus layer with properties similar to human mucus, suggesting potential biomedical applications for wound care and treatment.
Researchers created single-chain nanoparticles with thermoresponsive properties, which can be used to produce high-resolution internal images of the human body. These particles create a rich optical contrast that can be used to examine tumors more closely.
A team at Hokkaido University has set a size record for dynamic motion in crystals, demonstrating the largest molecular rotor operational in the solid-state. The rotors consist of a central rotating molecule connected to stationary stator molecules, and can rotate at frequencies of 100–400 kHz.
Associate Professor Tadashi Ando from Tokyo University of Science conducted a study to test the performance of OPC and OPC3 water models, evaluating their shear viscosities and comparing values to experimental calculations. The calculated viscosities for both models were very close, with notable accuracy at temperatures above 310 K.
The researchers created nanoribbons made of phosphorus and tiny amounts of arsenic, which were able to conduct electricity at high temperatures. The arsenic-phosphorus ribbons have also turned out to be magnetic, opening up possibilities for quantum computers.
The Beckman Institute has received a $3.6 million NSF grant to acquire an automated system for designing and analyzing polymers. The system will accelerate the discovery of useful materials, especially in combination with artificial intelligence.
A new study breaks down the complex structure of snail mucus, revealing three unique types of secretions with different functions. The researchers identified novel proteins, some of which have never been seen before, and found that subtle differences in composition can significantly impact properties.
Printable electronics have potential in solar power and LED screens but face challenges in scalable manufacturing. Professor Adam Printz is using a new RAPID printing process to examine fundamental characteristics and advance the field.
Scientists have successfully created macro-rotaxanes with multicyclic wheels, which hold long molecular chains together to modify the properties of soft polymers. These new structures offer improved damping efficiency and potential applications in next-generation polymers and molecular computing.
Researchers at the University of Missouri have developed a new type of nanoclay material that can be customized to perform specific tasks. This breakthrough could lead to advances in fields such as medical science, environmental science, and more.
Kolomeisky aims to develop analytical models that quantify the role of heterogeneity in chemical and biological processes. He plans to explore its impact on catalytic reactions, antimicrobial peptides and early cancer development.
Researchers from Radboud University have developed a quantum simulator to create artificial molecules resembling real organic ones. This allows for the simulation of complex chemical reactions and properties, paving the way for new materials and technologies.
Researchers at Ulsan National Institute of Science and Technology (UNIST) have identified seven types of zirconium metal clusters found in MOFs and fourteen potential new metal building blocks. This discovery provides a crucial clue to accelerate the development of carbon-neutral porous materials.
A Swansea University research study has evaluated the long-term environmental impacts of different Japanese knotweed management methods. The study found that glyphosate-based foliar spray control is the most sustainable approach, using the least materials and having the lowest economic costs.
Researchers at Aarhus University have found an enzyme, C-P lyase, in E. coli bacteria that can degrade highly stable chemicals, including pesticides like RoundUp. The enzyme uses energy from ATP to open and close a 'nutcracker' mechanism that traps and breaks down troublesome chemicals.
A new solid-state crystal growth (SSCG) technique has been developed to manipulate materials' properties by controlling crystallographic orientation. This method allows for large single crystals with desired orientations to be grown easily and inexpensively.
Researchers utilized the Chemistry42 platform to generate novel molecular structures and identified a hit molecule for CDK20, a promising target for hepatocellular carcinoma. The platform's customizable reward function and generative models enabled efficient design and optimization of molecules.
A team of researchers has developed a prototype of a quantum microscope that can see electric currents, detect fluctuating magnetic fields, and even see single molecules on a surface. The microscope uses atomic impurities and van der Waals materials to achieve high resolution sensitivity and simultaneous imaging of magnetic fields and ...
The genome of Singapore's National Flower, Papilionanthe Miss Joaquim, has been decoded by a collaboration between A*STAR and SingHealth Duke-NUS Institute of Biodiversity Medicine. The study reveals the presence of natural products with antioxidant properties, flavonols, and anthocyanins, which could be used for healthcare purposes.
Researchers from the Max Born Institute found that magnesium ions reduce ultrafast fluctuations in water's hydration shell, slowing solvation dynamics. The study reveals a short-range effect of individual ion pairs on dilute aqueous systems.
Scientists found that few components of an ant's waxy layer are enough to recognize nestmates from their own colony. The study also showed that adapting the wax layer to outside temperatures does not completely change the information used for recognition, but rather balances both functions.
A new Oregon State University study found significant differences in hop aroma profiles between Oregon and Washington-grown hops, affecting beer flavor. The research suggests that regional identity, similar to terroir in wine, can be attributed to specific growing environments.
A team of researchers from Tokyo University of Science has developed a novel multi-proton carrier complex that shows efficient proton conductivity even at high temperatures. The resulting starburst-type metal complex acts as a proton transmitter, making it 6 times more potent than individual imidazole molecules.
Researchers at Colorado State University have developed a cobalt-based molecule that can detect extremely subtle temperature shifts inside the body, opening up new possibilities for medical imaging and therapy. The noninvasive probe uses radiofrequency waves to read out temperature signals from the body.
Researchers analyzed polar bear fecal samples and dietary intake to understand how chemical contaminants accumulate inside the body. They found that polar bears store high amounts of fat, leading to higher levels of toxins in their bodies.
Researchers at Ohio State University developed a tool to create complex compounds using electricity, streamlining chemical processes and reducing costs. The discovery has broad applications in medicine, agrichemicals, and plastics production.
Researchers have provided direct insight into the electronic structure of a proton donating group in an amine aromatic photoacid using ultrafast X-ray spectroscopy. The study reveals major electronic structure changes occur on the base side of the Förster cycle, resolving the long-standing open question.
Researchers at NC State University have developed a 'self-driving lab' that uses artificial intelligence and fluidic systems to advance our understanding of metal halide perovskite nanocrystals. The technology can autonomously dope MHP nanocrystals, adding manganese atoms on demand, allowing for faster control over properties.
A team of scientists led by Samuel Dunning has developed an original technique to predict and guide the ordered creation of strong, yet flexible, diamond nanothreads. The innovation allows for easier synthesis of the material, which has potential applications in space elevators, ultra-strong fabrics, and other fields.
A study by Arizona State University shows that certain proteins can act as efficient electrical conductors, outperforming DNA-based nanowires in conductance. The protein nanowires display better performance over long distances, enabling potential applications for medical sensing and diagnostics.
Scientists at the University of Missouri study photodissociation reactions on the quantum level, revealing strong quantum effects that challenge classical 'billiard-ball' models. The research could lead to a better understanding of atmospheric chemistry and develop new theoretical frameworks.
Researchers developed propSym to calculate fundamental constants of solids, reducing redundant components and improving material modeling. The open-source software is adaptable to various physical properties, aiming to lower the entry barrier for analytical modeling.
The German Research Foundation has approved a new Collaborative Research Center (CRC) focused on developing sustainable iron alternatives to replace toxic or rare elements. The CRC will investigate iron's potential as a building block for the future, aiming to enhance its properties and make it more affordable and resource-efficient.
Researchers have developed a new light-emitting material that doubles the intensity of existing LEDs while also being more energy-efficient. The material, cerium-doped zinc oxide, has the potential to be used in commercial LED lighting applications and could make lighting more affordable for households and businesses worldwide.
Researchers have successfully formed rings made of three pyrroles for the first time, which could be used to produce compounds with unique properties. The discovery explains why tripyrrolic macrocycles were not observed before due to strain issues.
Cornell researchers created a chemically recyclable thermoplastic by synthesizing long polymer chains using a special catalyst. The resulting material, poly(1,3-dioxolane) or PDXL, has high tensile strength and can be easily depolymerized back to its monomer state, making it suitable for large-scale applications like packaging products.
The Center for Adapting Flaws into Features will explore chemical defects to optimize material properties, with a focus on creating better catalysts and electronics. The team aims to develop new approaches towards transformative technologies by leveraging advanced microscopy, spectroscopy, and data science.
A Curtin University study finds that up to three-quarters of Western Australia's iconic Banded Iron Formations (BIF) biodiversity could be lost forever after mining. The research highlights the challenges of rehabilitating these unique ecosystems, which are home to nearly every plant species in the region.
Researchers at Samara Polytech developed a method to obtain non-racemic 4,5-dihydrofurans using Michael addition, which could lead to the creation of biologically active compounds. The study also explores the potential use of these compounds as treatments for cancer and neurodegenerative diseases.
Researchers at Tokyo Institute of Technology produced and characterized novel organic molecules with a long helical structure, revealing special interactions between coils that can exhibit interesting optical and chemical properties. The longer compounds also displayed face-to-face stabilizing interactions between different helical lay...
Researchers at Samara Polytech synthesize new adamantane derivatives, enabling the creation of functional materials. The approach uses polyfunctional structures and bridged carboxylic acids to increase synthetic availability.
The University of Texas at Arlington is collaborating with the city of Coppell to inspect sewer pipelines using robotic technology and machine learning. The project aims to predict the remaining service life of the pipelines, utilizing advanced analysis techniques such as Energy-Dispersive X-ray spectroscopy.
A study by the Environmental Working Group found that all 26 reviewed PFAS chemicals exhibit at least one carcinogenic characteristic. Exposure to these chemicals increases the risk of cancer and other serious health concerns, including reproductive harms and reduced vaccine effectiveness.
A team of researchers found that the amino acids, a fundamental set of life's building blocks, may have special properties that helped bootstrap themselves into their modern form. The study suggests that each time a modern amino acid was discovered and embedded in biology's toolkit during evolution, it provided an adaptive value unusua...
Researchers developed graphene-based films that protect skin from mosquitoes by impeding their ability to detect molecular attractants. These wearable patches offer a potential solution for preventing insect bites without conferring mechanical puncture resistance.
Researchers at Shinshu University discovered that editing fusicoccins, a toxic organic compound, can transform them into chemicals with anti-tumor properties. The study suggests that the compound works as a stabilizer for protein-protein interactions, which could lead to the development of new clinically relevant anti-cancer agents.
Researchers created a machine learning technique to categorize different molecules based on the nano-sized shapes they form. The approach could help materials scientists identify suitable precursor molecules for synthesizing target nanomaterials.
Researchers have developed a method to infuse cotton fibers with fluorescent and magnetic properties, eliminating the need for chemical treatments. This breakthrough could enable the creation of sustainable fabrics with desirable properties.
A new study published in Nature Communications reveals that DNA molecules move faster as they enter a nanopore and slower when exiting, due to buckling under compressive forces. This finding could inform the design of biosensors and have real-world applications in polymer properties measurement.
Experts recommend using risk assessment to regulate endocrine disrupting substances, considering exposure and effects on sensitive species. Hazard assessments are suitable in absence of sufficient data.
A study published in PNAS identifies a unique chemical signature for chronic fatigue syndrome, revealing an unexpected connection to hypometabolic syndromes like dauer. The findings show that CFS has a characteristic metabolic response, with 80% of diagnostic metabolites decreased, and provide a basis for personalized therapies.
A new study by UCLA researchers found that Bisphenol S (BPS) damages a woman's eggs at lower doses than BPA. The study exposed roundworms to various concentrations of BPA and/or BPS, revealing decreased fertility in those exposed to either chemical.
Researchers at NIST develop a prefilling method to enhance the quality and consistency of single-wall carbon nanotubes by introducing a chemical filler. This approach yields superior results in optical applications, such as sensors and photodetectors.
Research finds that sweet cherry varieties differ in their susceptibility to skin cracking due to variations in cell wall properties. The study suggests that cell wall physical properties account for the differences in cracking susceptibility among cultivars.
A Harvard scientist has developed a new microfluidic design that can detect and extract biomolecules from fluid mixtures more efficiently than current techniques. The approach uses microscopic fins embedded in a hydrogel that responds to different stimuli, allowing for the selective separation of target biomolecules.
A recent study by Mohamed Bouaziz and colleagues found that olive oil maintains its quality and nutrition better than seed oils when deep-fried or pan-fried. The researchers tested four different refined oils and found that olive oil was the most stable, while sunflower oil degraded the fastest.
Scientists create two-dimensional biomimetic materials with customizable properties, forming at an oil-water interface. The new development enables designing peptoid nanosheets of increasing structural complexity for various applications.