Articles tagged with Molecular Behavior
The photochemical behavior of organic sunscreens in natural waters can influence their environmental fate and ecological risk. Research has shown that photolysis half-lives range from several hours to a month, with dissolved oxygen, pH, and water constituents influencing transformation rates.
Researchers developed a technique called pE-MAP to map thousands of interactions between an enzyme's molecular components, allowing them to predict its behavior. The study reveals patterns that can help understand how mutations in enzymes like RNAPII lead to specific disease states.
Researchers developed a simple model to explain the difference between glass and molten materials, with spherical plastic particles in aqueous solution. The study found that internal tensile stresses persisted in the glassy state, distinguishing it from fluid behavior.
Researchers at the University of Chicago are developing 'designer atoms' through nanocrystal assembly, offering new opportunities for solar energy, quantum computing, and functional materials. By controlling electron correlation, they aim to create strongly correlated systems with unique properties.
Researchers used simulations to study the scaling behavior of polymers at extreme limits, where it depends on their density and length. They found that polymer blends in ultrathin films displayed enhanced compatibility due to the simulations' ability to efficiently compute dense large-chain systems.
Researchers have created a 'nanolaboratory' inside a hollow spherical C60 Buckminsterfullerene molecule, allowing them to study the quantum mechanical principles governing the motion of imprisoned hydrogen and water molecules. The experiments revealed wave-like behavior and 'quantum rattling' of the guest molecules within the C60.
Scientists have developed a new method to accurately predict electron behavior in atoms and molecules, resolving the N-representability problem. This breakthrough enables more accurate calculations for phenomena such as combustion engine efficiency and atmospheric ozone depletion.
Wild West African chimpanzees build ground nests, shedding light on ancient humans' transition from tree to ground sleep. The study suggests a gradual, tree-to-ground transition occurred before the emergence of Homo erectus.
Researchers have successfully captured a quantum interference pattern from single dye molecules using live imaging. The experiment visualizes the dualities of particle and wave, randomness and determinism, locality and delocalization in a tangible way. This study has significant implications for understanding quantum physics and develo...
Researchers show that spider web durability relies on compensating for damage and stress responses of individual strands. Spider webs sacrifice local areas to prevent failure, a strategy unlike other biological materials.
Researchers confirm the fundamental physical principle relating individual particle behavior to that of a multiparticle system. Using fluorescent molecules and high-resolution imaging, they measured diffusive behavior of ensembles and single molecules, providing the first experimental confirmation of ergodicity.
Mathematicians from the University of Pennsylvania have found solutions to the 140-year-old Boltzmann equation, a 7-dimensional equation that predicts gas molecule behavior. The solution provides new insights into gaseous collisions and confirms the predictions made by James Clerk Maxwell and Ludwig Boltzmann.
Researchers have observed dynamic behavior of allophycocyanin protein for over one second, a significant increase from previous methods, revealing new insights into its shape-changing dynamics.
Physicists at JILA have observed chemical reactions near absolute zero, demonstrating that chemistry is possible at ultralow temperatures. By controlling ultracold molecules' internal states and molecular motions, scientists can study how the molecules scatter or interact with each other quantum mechanically.
The University of Chicago has established a new center for chemical innovation to pursue research on non-equilibrium chemistry, materials growth, and reactions in liquids. The center aims to develop new ways to convert methane into synthesis gas, producing liquid fuels and hydrogen.
The study found a vestige of the zero-temperature jamming transition in a system of small particles where thermal energy is important. Researchers used mathematical computer simulations and an experiment to investigate how jamming affects systems at non-zero temperature.
Researchers found a new way to control water behavior by confining it to narrow spaces, leading to the discovery of an 'ice sandwich' phase consisting of mobile water between two layers of frozen water. This breakthrough could advance scientific endeavors in energy sources, pharmaceuticals, and self-cleaning surfaces.
Researchers from USC and Cambridge have developed a method to track the activity of specific genes in real-time using a specially modified camera and computer vision techniques. This breakthrough has potential applications in various fields, including military, retail, and entertainment.
A novel Brandeis University study reports on molecular gymnastics performed by a protein involved in regulating DNA transcription. The research uses state-of-the-art tools and simple methods to observe the shape and behavior of individual DNA molecules.
Scientists at JILA have developed a powerful new technique to study ultracold atomic gases, revealing previously hidden properties. The technique, using photoemission spectroscopy, simultaneously probes energy and momentum, providing insights into the pairing of atoms.
Researchers at UCLA have discovered a theoretical model that can accurately predict the behavior of dense granular flows, similar to molecules in jammed materials. This breakthrough has significant implications for fields such as materials innovation, medicine, and geology, offering new avenues for understanding complex phenomena.
A new study has revealed in high definition how a blood protein gives blood clots their elasticity. Fibrinogen molecules form elastic fibers that seal the vessel, with cells like platelets filling the gaps. The protein's flexibility can be enhanced or altered by changing calcium levels or pH.
Researchers at Princeton University found a highly simplified model molecule that behaves in much the same way as water, challenging conventional wisdom. The discovery may have implications for industrial or pharmaceutical research.
Researchers uncover 'duality relations' between particle arrangements, enabling control of ground states and potentially creating novel materials with unique properties. The discovery could lead to materials that respond to light or mechanical stress in new ways, such as maintaining shape in extreme temperatures.
Using advanced imaging techniques, a physicist at the University of Wisconsin-Milwaukee is uncovering new insights into how surfaces interact with contaminants and toxic substances. By detecting molecular vibrations and analyzing electron behavior, she aims to develop new ways to monitor and control air pollution.
Researchers at Bar-Ilan University have identified a class of polyprismane molecules that exhibit auxetic behavior, getting thicker when stretched and thinner when compressed. This discovery has potential applications in bulletproof vests and medical technology.
A new theory explains how cracks propagate in brittle materials, shedding light on material failure in nanoscale devices, airplanes, and earthquakes. The research simulates the behavior of atoms under extreme conditions, uncovering the physics behind fractures.
Researchers at Ohio State University have provided first experimental proof of a previously theoretical quantum effect, known as quantum monodromy. The phenomenon relates to molecular behavior and vibrational frequencies, with potential implications for astronomy, atmospheric science, and biology.
Researchers at Cornell University have developed a new class of self-assembling designer molecules that mimic nature's system of organizing living tissue. These molecules can be programmed and exhibit a rich phase behavior, making them suitable for applications in batteries, fuel cells, and solar cells.
Male fruit flies without specific circadian clock genes spend up to 30-50% more time in copulation than normal counterparts. The findings broaden the known behaviors controlled by these genes and suggest they may regulate biological processes within short and long time scales.
Scientists have created giant wheel-shaped polyoxomolybdate molecules that associate and evenly distribute onto the surface of hollow spheres in dilute solution. Hydrogen bonds play a crucial role in this process, forming a 'glue' that overcomes electrostatic forces and holds the wheels in place.
Researchers at NIST used a special facility to study 'shake gels,' materials that firm up and relax in response to external stimuli. They discovered the polymer's oxygen atoms, not hydrogen atoms, attach to clay, and water binds to surfaces in a perpendicular arrangement.
NIST scientists have developed a new tool in chemical sensing called microboiling, which uses tiny vapor bubbles to detect specific substances. The technique can measure changes in boiling behavior in just 5 microseconds, making it faster than typical lab techniques.
Researchers discovered that blinking behavior in single-molecule wires is caused by temporary breaks in chemical bonds between the molecule and gold contacts. The study highlights limitations of the current gold surface material for electronic circuits.
Researchers found that molecules' apparent on-off conductivity was due to a weak bond with the gold surface, breaking contact and turning electrical connection off. The team confirmed this finding through experiments at varying temperatures, ruling out other explanations.
Researchers at TSRI develop a method for controlling chemical reactions by encapsulating molecules in nanocapsules, enabling self-regulatory amplification and exponential growth. This discovery offers a new approach to controlling reactivity without the need for autocatalysts.
Researchers found that water molecules can move through tiny carbon nanotubes in short bursts, with changes in interaction causing the tube to empty or fill. This dynamic behavior has implications for understanding how water is conducted in biological channels and may contribute to developing new sensors.
Scientists at the University of Illinois are investigating how glucocorticoids help regulate the body's response to infection, including changes in behavior. Glucocorticoids appear to modulate cytokine production and reduce behavioral effects, providing a protective mechanism against immune overreaction.