Articles tagged with Kinetics
Researchers developed a method to convert waste plastic mulch film into useful chemicals through catalytic pyrolysis. The study found that temperature controlled the product distribution and long-term stability of the catalyst, with optimal conditions producing valuable olefins and easily regenerable tar.
Wachs was recognized for his work on mixed oxide catalysts that guide the rational design of solid catalysts for air pollution remediation, sustainable energy, fuels, chemicals, and pharmaceuticals. His election to the NAE honors his contributions to chemical engineering and the modern field of operando molecular spectroscopy.
A study published in eLife reveals how kangaroos increase their hopping speeds without incurring an associated energetic cost. By adjusting their posture, kangaroos reduce tendon stress and energy storage, allowing them to maintain the same amount of net work at the ankle, regardless of speed.
Microplastics leak a complex mixture of dissolved organic chemicals that evolve over time, especially under sunlight. The study provides the most detailed molecular-level view to date of how this microplastic-derived dissolved organic matter forms and transforms in natural waters.
A new study published in PLOS One found that running with a stroller reduces vertical loading metrics by up to 17%, potentially decreasing injury risk. However, torsional loading metrics increased significantly, posing a potential trade-off.
Researchers developed a novel computational approach that predicts alloy microstructures in minutes, compared to years. The new model streamlines older approaches and avoids the 'curse of dimensionality', enabling rapid and accurate calculations of solidification and alloy microstructures.
A novel dual-enzyme-driven cascade reaction system significantly enhances catalytic therapy in tumors. Researchers developed this approach to refine single-atom catalytic kinetics, leading to improved cancer treatment outcomes.
A study published in Nature Materials reveals that cooperative particle rearrangements influence structural order and dynamic behavior in glass-forming liquids. The researchers identified a key process called T1, which maintains local order and leads to super-Arrhenius behavior.
A new PACT system offers rapid imaging of living organisms, enabling the tracking of whole-body dynamics and disease progression. The system achieves spatial resolution of approximately 212 micrometers and enables the visualization of oxygen saturation across complex biological systems.
Grain boundaries, common defects in polycrystalline materials, can migrate unidirectionally without a net driving force, exhibiting directionality. This phenomenon, similar to the unidirectional rotation of a Brownian ratchet, challenges traditional views on grain boundary mobility.
AlphaFold's groundbreaking ability to predict protein structures is set to transform predictive medicine, enabling the development of personalized vaccines and adaptive clinical trials. However, the review also highlights crucial challenges and ethical considerations surrounding AI integration with clinical data.
The researchers developed a novel viral reporter system called HIV-Tocky, which allows for real-time visualization of HIV dynamics post-viral infection. This innovation provides crucial insights into HIV-1 latency mechanisms and establishes a foundation for developing eradication strategies.
This study validates a two-stage process for producing polyhydroxyalkanoates (PHA) using peanut oil and propionate with Cupriavidus necator. The findings show that peanut oil is the most beneficial carbon source, leading to increased biomass and PHA production.
Scientists at Arizona State University develop a new simulation method to predict and guide the self-assembly process, creating tiny, self-assembled crystals with unique optical properties. This breakthrough advances technologies in computer science, materials science, medical diagnostics, and more.
Researchers developed a novel temperature-dependent viscosity mediated strategy to control Bi dopant deactivation during fiber drawing. A borate glass system with faster viscosity changing rate was created, resulting in the first demonstration of on-off gain in a Bi-doped borate fiber system.
A Bayesian model analysis reveals how key covariates affect SARS-CoV-2 viral kinetics at individual and population levels. The study identifies intrinsic differences between Omicron and Delta variants, shedding light on their growth drivers.
A new study reveals that molecules can interact non-reciprocally without external forces, driven by kinetic asymmetry and gradients of reactants and products. This finding has significant implications for our understanding of complex behavior in living organisms and the development of novel molecular machines.
Core-shell nanostructured Mg-based hydrogen storage materials show excellent kinetics and long-term cycling performances. They can absorb and desorb hydrogen at relatively low temperatures, reducing energy consumption in hydrogen storage and release. The materials have potential to improve Mg-based hydrogen storage systems for various ...
Researchers tracked immune cell clusters in the aging mouse prostate using highly multiplexed immune profiling. Early adulthood sees myeloid cells, while between 6-12 months old, there's a profound shift to T and B lymphocyte-dominance. The study reveals new insight into prostatic inflammaging and the window for interventions.
Researchers have documented a rare defense mechanism in the Dwarf Reed Snake, which uses active cartwheeling to evade predators. This behavior is the first time such an action has been observed in snakes.
Researchers have developed a smart contact lens capable of implementing AR-based navigation using a novel electrochromic display technology. The device uses Prussian blue to display directions to the user in real-time, overcame limitations of existing AR devices.
Researchers at Carnegie Mellon University have developed a latch control system that enables grasshopping robots to perform efficiently on soft substrates. The team discovered that the latch can not only regulate energy output but also mediate energy transfer between the robot and its environment, leading to improved jump performance.
Researchers have developed a novel catalytic approach to synthesize monocyclic 3-(pyrrol-1-yl)-azetidin-2-ones, which show potential as therapeutic agents. The method yields all four diastereomers with high selectivity and has been published in Current Organocatalysis.
Scientists at Washington University in St. Louis found that manganese oxides can be formed without atmospheric oxygen under Mars-like conditions. The study, published in Nature Geoscience, used kinetic modeling to show that halogens like chlorate and bromate can convert manganese into minerals thousands of times faster than by oxygen.
Researchers compared two semiconductor simulation tools and found that the Fermi kinetics transport solver outperforms a commercial hydrodynamics software package in modeling electronic heat flow and electron temperature, particularly in high-speed applications. The custom-developed code converges faster and provides more consistent re...
Researchers found that MK256 induced differentiation and maturation in leukemia stem cells, inhibiting proliferation of AML cell lines. The study also showed dose-dependent inhibition of the STAT pathway in both in vitro and in vivo studies.
A WVU postdoctoral researcher has made a groundbreaking discovery in the field of magnetic reconnection, which can be used to predict space weather events that affect satellite and power grid systems. The study uses advanced laser diagnostics to measure electron speeds, providing new insights into plasma physics processes.
Rice University researchers have developed a method to control the growth of tetrahedron-shaped nanoparticles, which can be used as building blocks for unique metamaterials. The team discovered that balancing thermodynamic and kinetic forces during crystallization allows for symmetry breaking, forming pyramid-shaped nanocrystals.
The PHAse Space MApping experiment, a complex plasma physics research project at WVU, aims to study the motion of ions and electrons in plasmas. The facility can measure three-dimensional motion at very small scales and is capable of performing detailed measurements.
Kazan Federal University researchers designed a unique dielectric cell to study gas hydrate formation and decomposition under pressure. The device's effectiveness was demonstrated, allowing for further investigation of hydrate inhibitors.
Researchers investigated glass fiber-reinforced epoxy-based flat laminates with pultrusion, a fast and versatile composite manufacturing process. The study found significant promise for structural applications of these 'shape memory' composites in various industries.
Researchers at HZB developed a method to quantify charge extraction at buried interfaces in perovskite solar cells. Time-resolved surface photovoltage technique facilitates design of ideal charge-selective contacts and improves efficiency.
Researchers propose an OV-engineering strategy to realize high-content anion doping in TiO2, enhancing charge transfer kinetics and sodium-ion storage performance. The optimized A-TiO2-x-S/C anode exhibits high-rate capability and ultrahigh energy density.
A new SERS gas sensor developed by Prof. HUANG Qing's group can detect aldehydes with high sensitivity and selectivity, using Co-Ni LDH composite nanomaterials. The sensor's accuracy, repeatability, and selectivity have been verified through experiments.
Professor Yuri Mishin at George Mason University is advancing understanding of interface thermodynamics and kinetics through atomic modeling. He aims to investigate grain boundary segregation, phase transformations, and solute drag effects in alloys.
Researchers at Case Western Reserve University have found a way to measure the kinetics of proteins that bind to RNA, shedding light on gene function regulation in diseases like cancer and neurodegenerative disorders. This discovery could lead to new therapeutic strategies targeting RNA-protein interactions.
Insufficient knowledge of thermodynamic and kinetic factors governing lead release led to the Flint Water Crisis. Understanding these factors can help anticipate and prevent lead contamination.
Researchers develop new algorithm to measure crystal growth rate in supercooled liquids, achieving accuracy orders of magnitude higher than existing methods. The approach is based on molecular dynamics simulation and can be applied to various systems with different physicochemical properties.
Researchers propose a kinetic misalignment scenario that strengthens the axion/dark matter equivalence. This novel concept answers key questions and provides new avenues for detection efforts.
Researchers provide new understanding of co-aggregation process between proinflammatory S100A9 protein and Aβ42 peptide in Alzheimer's disease. The study reveals that S100A9 amyloids coat the surface of Aβ42 amyloids, reducing secondary nucleation sites and enhancing cellular toxicity.
An international research team identified a temperature/time-dependent kinetic pathway with three distinctive transitions in the structural evolution from metastable crystalline ice (ice VII or ice VIII) to the thermodynamically stable ice I. The end result is a juxtaposition of these processes, where intermediate amorphous-ices compet...
A new model examines the relative role of random interactions between individuals in a crowd compared to interactions stemming from their eagerness to be on their way. The study reveals that internal interactions between pedestrians can be negligible, and external factors such as crowd pressure drive the flow of people toward exits.
Scientists have determined the kinetic cycle of a potassium channel at atomic resolution, allowing for more precise targeting of specific spots within the channel structure. This breakthrough could lead to the creation of new drug molecules that can correct potassium channels dysfunction, addressing conditions such as epilepsy and diab...
A study by Nagoya University researchers reveals that behavioral laterality in scale-eating fish is acquired through experience, with juveniles initially attacking both sides before favoring a dominant side. The stronger side's kinetic advantages support the theory that lateralized behavior is naturally determined.
Researchers use viral kinetic models to increase understanding of influenza biology and antiviral pharmacology, identifying sources of variation between individuals. These models have been used to support dose optimization and clinical development of potential influenza therapies.
Researchers developed moving subtrajectory analysis to study TCR microclusters, revealing kinetic and spatial details of CD3 and CD45 behavior. The study shows that the two molecules exhibit distinct mobility states, depending on their location relative to the microcluster, providing new insights into T cell activation mechanisms.
A study using Neuro Kinetics' I-Portal devices found that a battery of OVRT tests can accurately measure concussion symptoms both initially and during recovery. The study suggests that these tests may be used to monitor subacute concussion recovery and help determine the safest time for patients to return to activities.
A study published in PLOS ONE reveals the potential clinical utility of an integrated, multi-modal battery of oculomotor, vestibular, and reaction time tests for detecting concussions. The results show promising sensitivities and specificities, paving the way for objective diagnostic tools at the point of injury or in emergency rooms.
Researchers have developed a highly-sensitive detection method to monitor HDL kinetics, revealing new lipid biology and potential therapeutic targets. The technique allows for the identification of HDL subfractions and their unique proteomes, which may help pharmaceutical companies design more effective drugs.
Researchers found dynamic ads are more attention-grabbing than static ads, but it's not just about attention. Ads with kinetic property influence consumer perceptions of product innovation in products with small improvements, like tablets and smartphones. This effect is strongest in fast-changing industries.
Eitan Tadmor, a renowned mathematician, has received the prestigious Peter Henrici Prize for his groundbreaking work on nonlinear partial differential equations. His research has had significant impacts on fields like fluid dynamics, image processing, and social dynamics.
A study found that different colored lettuces have varying antioxidant effects, with red leaves acting faster than green ones. Researchers aim to boost these properties through short stresses.
Researchers at Nanjing University have developed a standard operation procedure to detect dietetically absorbed plant miRNAs in human plasma. The study identified six plant miRNAs with dynamic physiological patterns and kinetic absorption curves, suggesting they can exert physiological functions.
Scientists identified a broadly neutralizing HIV-1 antibody in a lupus patient, which could be used to target rapidly mutating viruses. Researchers also developed a workflow to evaluate protein turnover kinetics, revealing previously unknown alterations in disease development.
Researchers have discovered that daclatasvir, a direct acting antiviral agent, targets the HCV protein NS5A and also blocks viral secretion from infected cells. The study provides insight into the drug's modes of action and suggests a more accurate estimate of the HCV half-life.
Researchers studied Pr0.5 Ca0.5 Mn0.975 Al0.025 O3 and found kinetic arrest band formation, inversely correlated with temperature extremes.
A new method, SPR microscopy, allows for quantitative analysis of protein interactions on cell surfaces, streamlining drug development and diagnostic biomarker identification. The technique provides high-resolution spatial and temporal information, revealing dynamic processes evolving over time.
A novel lab-on-chip device has been developed to screen sensitive membrane proteins in parallel, utilizing a nano-fabricated chip with 50,000 nanopores. This technology preserves protein structure without organic solvents or solid support, enabling simultaneous analysis and preserving fragile protein function.
A novel and simple formula predicts treatment success for patients with chronic hepatitis C, outperforming viral kinetics. The formula, based on clinical data, is suitable for every cohort of patients and can help tailor treatment.
Researchers found that the 'washout' curve type is most predictive of malignancy, with 45.7% of lesions with this pattern being malignant compared to 20% with a plateau and 13.3% with persistent enhancement. The study suggests that kinetic features in breast MRI assessment can help determine whether a lesion needs biopsying.