Articles tagged with Redox Reactions
Researchers have created a flexible, wearable thermocell that harnesses body heat to generate electricity. The device uses gel-based electrolytes and combines two different redox pairs to produce a current. This innovation overcomes previous challenges in wearable energy harvesting and storage devices.
Researchers have designed a smart membrane that stops battery discharge when not in use, allowing for rapid recharging. The technology aims to improve the range of electric cars by tens of miles per minute, outpacing the current limit of 0.4 miles per minute.
Researchers discovered that WhiB6 regulates the ESX-1 secretion system and DosR regulon, enabling mycobacteria to form persistent granulomas and maintain virulence.
Researchers at Jena University developed a simple, safe, and economical redox-flow battery based on organic polymers and water, which can be produced at lower cost than traditional systems. The new technology has shown high capacity and efficiency in initial tests.
Researchers have created novel rewritable paper based on color switching property of commercial chemicals, allowing for up to 20 erasures without significant loss in contrast or resolution. The paper has potential applications in meeting increasing global needs for sustainability and environmental conservation.
Research team discovers changes in glutathione redox potentials between cytosol and mitochondria, indicating different redox requirements for each compartment. Inhibition of GSH synthesis leads to increased mitochondrial oxidation in response to GSH depletion.
Researchers at NIST developed a new method to accurately measure changes in living cell redox potential, which can serve as an indicator of cellular health and function. The technique uses nuclear magnetic resonance spectroscopy to detect glutathione levels and monitor intracellular redox reactions.
Researchers have charted a significant signaling network in Synechococcus, a fast-growing microbe that can produce biofuels. The findings reveal redox reactions that allow the organism to adapt to changing environments and provide insights into its ability to create biofuels.
Researchers have developed a method to precisely control the distance between electrodes and cells, allowing for accurate measurement of single-cell oxygen consumption. This enables quick analysis of cell activity and metabolic processes.
Caltech chemists have explained one of the remaining mysteries of photosynthesis, the chemical process by which plants convert sunlight into usable energy and generate oxygen. The discovery provides a new way of approaching the design of catalysts that drive water-splitting reactions in artificial photosynthesis.
Researchers at University College London have discovered a new property of flames that allows for the control of reactions at solid surfaces, opening up new fields of chemical innovation. This breakthrough has significant implications for future technologies, including air quality detection and greenhouse gas management.
Researchers at NIST have created a method to directly correlate particle size, shape, and agglomeration with redox chemical properties of nanoparticles. This allows for the observation of structural changes in nanoparticles during important chemical reactions.
A new FRET-based sensor has been developed for real-time imaging of intracellular redox dynamics, allowing for the quantification of redox state. The sensor's dynamic range is improved, enabling better discrimination between redox states in complex biological specimens.
A team of geologists led by David Fike has revisited the Great Oxygenation Event, finding that it was likely a two-step process involving sulfur compounds rather than just oxygen. This challenges the traditional narrative of the event and highlights the difficulties in interpreting redox proxies.
Researchers at the University of Illinois have discovered a way to fine-tune the reduction potential of copper-containing proteins, enabling the creation of efficient water-soluble redox agents. This breakthrough allows for greater control over electron-transfer properties and extends the range of redox potentials.
USGS scientists investigated pesticide occurrence in ground water at four US sites. Herbicides triazines and chloroacetanilides were most frequently detected, with degradation products often exceeding parent compounds. Redox conditions, residence times, oxygen levels, and nitrogen gas influenced pesticide concentrations.
Researchers at Fraunhofer-Gesellschaft have developed a new lithium-ion battery with non-flammable polymer electrolytes, enhancing safety and increasing conductivity. The improved batteries are expected to compete with lead batteries in cars within 3-5 years.
Researchers have designed novel peptide sequences that can detect oxidation and reduction inside cells, providing a new tool for understanding molecular mechanisms underlying complex biomedical problems. The biosensors use Förster resonance energy transfer (FRET) to measure redox potentials and oxidative stress in live cells.