Articles tagged with Synthetic Polymers
A new study reveals that entangled, long-chain polymers in solutions relax at two different rates, marking an advancement in fundamental polymer physics. The findings will provide a better understanding of the physical properties of polymeric materials and individual polymer molecule behavior under high-stress processing conditions.
The study introduces a method for controlling polymer structure and function by utilizing electrostatic charge, allowing for the creation of smart materials with diverse applications. By tuning the sequence of charges along polymer chains, researchers can engineer desired properties and expand the diversity of polymers used.
Researchers at Toyohashi University of Technology developed a novel synthetic method to create chiral polymers containing cinchona sulfonamide repeating units. These polymers showed high catalytic activity in asymmetric reactions, enabling the enantioselective desymmetrization of cyclic anhydrides.
Researchers at the University of Bristol have developed a new bio-ink containing stem cells that can be printed using 3D technology. The bio-ink allows for the creation of complex living tissue structures with microscopic pores, providing effective nutrient access for stem cells.
Scientists create synthetic polymers that decompose without harsh elements, opening doors for biomedical applications such as drug delivery and bioimaging. Preliminary testing shows growth and depolymerization of straight and branched polymers are possible in water and extracellular matrix.
Berkeley Lab scientists discover a family of nature-inspired polymers that spontaneously assemble into hollow crystalline nanotubes in water. The nanotubes have uniform diameters and can be tuned for specific functions, opening up new possibilities for filtration, desalination, and more.
ASU researchers are developing artificial genetic polymers composed of threose nucleic acid (TNA) to address emerging health and defense threats. The team plans to search large combinatorial pools for TNA molecules with desired functional properties.
Researchers have discovered that polymers can disrupt the way bacteria communicate with each other, leading to unexpected clustering behaviors. This finding has significant implications for the design of materials as antimicrobials, bioprocessing, and synthetic biology.
Researchers have created synthetic receptors that mimic biological nicotine receptors, showing promise in clinical detection and treatment therapies for nicotine addiction. The new molecularly imprinted polymers (MIPs) demonstrate high selectivity and effectiveness across a wide pH range.
Researchers at MIT develop approach to print synthetic materials with fracture behavior similar to natural bone, using computer-optimized designs and 3-D printing. The new material exhibits a fracture resistance of up to 22 times larger than its strongest constituent material.
Researchers imitated sea sponge skeleton to produce highly flexible synthetic spicules, exhibiting rubber-like flexibility and resistance to fracture. The new material has potential applications in body armor and other fields.
Researchers at the University of Utah have developed a synthetic version of sandcastle worm glue, which has shown promise in repairing shattered bone fragments. The glue performs 37% as well as commercial superglue in lab tests and may be used to align small bone fragments in joints and the face before they heal.
National Chemistry Week highlights the importance of polymers as natural insulators, found in products like umbrellas, sunglasses, and jackets. The week also explores fascinating chemistry facts about the weather, such as the transformation of nitrogen into a more user-friendly form by lightning.
Researchers at the University of Massachusetts have created a switchable adhesive coating that relies on temperature changes to control its stickiness. This technology has potential applications in self-cleaning tennis racquets and golf club grips, improving performance and durability.
Researchers at CalTech designed a new protein-like polymer that supports endothelial cell growth and could be used for blood vessel replacement. The material is expected to aid patients who cannot supply their own replacement veins, offering a potentially improved success rate compared to current synthetic polymers.
Researchers found that individual polymer vibrations can be accurately described by a linear theory, similar to the vibrations of a musical string. The study used DNA strands and optical tweezers to analyze their movements, finding a high accuracy rate of over 1 percent up to the eighth harmonic.