Articles tagged with Lignins
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Researchers created a powerful catalyst from renewable lignin waste, boosting the efficiency and stability of oxygen evolution reaction in water electrolysis. The new catalyst achieves a low overpotential of 250 mV at 10 mA cm² and maintains strong performance for over 50 hours.
Researchers achieved hydroxyl groups esterification and lignin dissolution through a two-hour pyridine-benzoyl chloride bath. The resulting fibers became photobleaching and stable under accelerated weathering, with a 15-unit ΔE* swing and 96% plunge in tensile strength.
Researchers developed an effective strategy to remove hemicellulose from crude alkaline lignin, resulting in hard carbon anodes with improved structural properties and enhanced sodium storage capabilities. The purified lignin-based hard carbon achieved high reversible capacity and initial Coulombic efficiency.
A study found that lignin, a polymer from plant cell walls, can improve the performance of nanoparticles with herbicide. Lignin was subjected to a green process and showed distinct properties, making it suitable for customizing different applications. The substance demonstrated potential for sustainable agricultural pest management.
A new international study led by Prof. Edouard Pesquet at Stockholm University uncovers the complex relationship between lignin chemistry and structure in different cell types of plants. The research highlights how this molecular diversity has enabled plants to succeed on land.
Researchers show low-molecular-weight kraft lignin restores insulin sensitivity and slashes blood glucose levels in diabetic rats. The fractionation process is simple, scalable, and cost-effective, positioning lignin as a renewable and non-toxic active ingredient for functional foods or therapies.
University of Arkansas researchers have found a new way to clean wastewater of toxic and carcinogenic dyes commonly used in the garment industry. They developed an environmentally friendly solution using lignin, a low-cost biopolymer derived from plant cell walls.
Researchers found that freeze-drying preserves sulfoethylated kraft lignin's functional integrity, maintaining charge density, solubility, and sulfonic acid groups. Oven drying compromised performance, triggering chemical changes that reduced solubility and increased glass transition temperature.
A Northwestern University study reveals how Pseudomonas putida, a common soil bacterium, rewires its metabolism to thrive on complex carbons like lignin. The findings provide insights into the biomanufacturing industry's quest to harness bacteria for biofuel production and chemical synthesis.
A University of Missouri-led study has uncovered how poplar trees can naturally adjust a key part of their wood chemistry based on changes in their environment, supporting improved bioenergy production. The discovery sheds light on the role of lignin and its potential to create better biofuels and sustainable products.
Researchers develop biodegradable polyurethane using natural polymer lignin and captured carbon dioxide, reducing energy consumption and toxic chemicals. The material is strong, heat-resistant, and easily processed, making it a promising alternative to petroleum-based plastics.
Researchers at Linköping University developed a fluid battery that can be integrated into future technology in a completely new way. The soft battery has been tested to have high capacity, recharging over 500 times and maintaining its performance.
A new enzyme discovered can extract high-value molecules from lignin, a forestry by-product, using a hydrogen peroxide-driven process. This breakthrough could support the development of green chemistry 'enzyme factories' to produce valuable chemicals.
Researchers developed a sustainable approach to improving polymer performance by using plasma treatment on polypropylene-lignin blends. The treated lignin exhibited increased phenoxy radicals and reduced hydroxyl functionalities, leading to enhanced compatibility with PP.
Rising temperatures alter lignin deposition in plant cell walls, requiring adaptive strategies for a resilient supply chain. Understanding regional variations, exploring alternative sources, and developing climate-resilient plant varieties are crucial to mitigate the effects of global warming.
Colombian researchers create novel mycelium-based biocomposites by cultivating Ganoderma gibbosum on agro-industrial residues. The resulting biocomposites exhibit tailored physical-mechanical properties, enabling sustainable and renewable materials production.
A new review highlights temperature's influence on lignin biosynthesis in plants, impacting global warming and sustainable resource management. Lignin's traditional applications are being supplemented by emerging uses in advanced materials and nanomaterials.
The study presents a lignin-based hydrogel that combines mechanical strength with bioactivity, promoting wound healing and sustained drug release. The hydrogel's controlled-release properties make it an ideal candidate for treating complex wounds and reducing medication side effects.
Researchers at North Carolina State University identify molecular property of lignin that determines ease of using microbial fermentation to turn trees into industrial chemicals. The discovery could lead to more sustainable alternatives to petroleum-based chemicals.
Researchers developed a lignin sub-microsphere loaded with TiO2 for enhanced sunscreen capabilities, achieving SPF 42.93 and improved color properties.
Washington State University scientists developed a continuous reaction process to produce lignin-based jet fuel from agricultural waste, reducing carbon footprint and emissions. The new technology has the potential to replace fossil fuel-derived compounds and make sustainable fuels fully "drop-in" capable.
The new material absorbs CO2 from concentrated sources or directly from the air, and can be reused to capture more CO2 without high pressure or extreme temperatures. Researchers found that controlling the heat applied to the sample allowed them to control the amount of CO2 released.
Researchers uncover the CsmiR397a-CsLAC17 module's role in regulating lignin biosynthesis, essential for balancing quality and resistance. The discovery offers promising avenues for improving tea quality and disease resistance.
Researchers tracked how a mixture of plant waste was metabolized by bacteria to contribute to atmospheric CO2. Microbes respired three times as much CO2 from lignin carbons compared to cellulose carbons, shedding light on the role of microbes in soil carbon cycling and its impact on climate change.
Researchers from Dalian Institute of Chemical Physics developed a strategy to leverage lignin condensation, a process previously considered a hindrance, to produce valuable chemicals and materials. This approach maximizes the value of lignocellulose, aligning with the goals of green biorefineries.
Researchers have identified an ancient protein that partners with a modern plant enzyme to synthesize lignin, a key component of plant cell walls. This discovery provides insights into the evolution of plant protective mechanisms and their potential industrial applications.
The study reveals that cellobiose fragments can bind to the tunnel's back door and block subsequent cellulose molecules, as well as bind to Cel7A near the front door, preventing enzyme binding. New methods could be developed to fine-tune this process, improving biofuel production efficiency.
Researchers at FAMU-FSU have created a sustainable polymer product from CO2 and lignin, fully degradable without microplastics or toxic substances. The material can be recycled repeatedly without losing properties, enabling a true circular economy.
Researchers at Washington University in St. Louis have developed a method to break down lignin into small molecules similar to oxygenated hydrocarbons. This process could lead to the creation of renewable chemicals that replace traditional petroleum-based products.
Researchers review microbial processes for sustainable lignin valorization, producing dicarboxylic acids, phenolic acids, and complex natural products. Engineered microbes enhance lignin transformation efficiency, offering a promising alternative to traditional chemical synthesis methods.
A new study reveals that introducing a simple, renewable chemical to the pretreatment step can make next-generation biofuel production cost-effective and carbon neutral. A CELF biorefinery can more fully utilize plant matter than earlier methods, resulting in sustainable aviation fuel at a break-even price of $3.15 per gallon.
Researchers have developed a novel imaging method to study the intricate relationships within a fungal garden cultivated by leafcutter ants. The technique revealed crucial metabolites and enzymes driving plant degradation, highlighting the fungus as the primary degrader of plant materials.
Researchers have successfully engineered the plant microbiome to boost beneficial bacteria that protect plants from disease. This breakthrough could substantially reduce pesticide use and unlock opportunities to improve plant health.
Researchers engineered bacteria to produce zeaxanthin and PDC simultaneously from underutilized plant fiber, offering a promising solution for sustainable biofuels. The discovery could lead to lower greenhouse gas emissions and improved economics in the production process.
Scientists at Linköping University have created stable and environmentally friendly organic solar cells by incorporating untreated kraft lignin into the electron transport layer. This innovation improves the overall efficiency and reliability of organic solar cells, paving the way for a more sustainable future.
The researchers fabricated a lignocellulose-based NIR transparent optical biofilter with high near-infrared transmittance and excellent comprehensive stability. The biofilter features ~90% NIR transmittance, ultralow haze, and strong UV-vis light blocking.
Researchers at Brookhaven National Laboratory engineered enzymes to modify grass plant cell walls, reducing lignin content and making sugars more accessible. This led to up to 30% more sugar collection through fermentation, enabling potential conversion into biofuels like ethanol.
Researchers have discovered that high-quality lignin can be extracted from cocoa pod husks and modified to have flame-retardant properties. The team's modified lignin biopolymer charred when heated but did not burn, suggesting its potential as a fire suppressant.
A team of scientists at Aalto University has created a bio-based transparent film from lignin nanoparticles, offering an alternative to toxic synthetic materials. The coating can be used on glasses, windshields, and other surfaces, and also displays coloured films with structural colours.
Researchers genetically engineered plants to study lignin biosynthesis, but found a compound called pinoresinol restores growth by affecting root hair production. This suggests a broader function for pinoresinol in plant development beyond just lignin synthesis.
Researchers at Washington State University have developed a novel method to extract lignin from wheat straw, producing a color-neutral, odorless, and homogenous material. This breakthrough could make lignin a more viable candidate for developing high-value products and biobased materials.
Researchers at North Carolina State University used CRISPR gene-editing to breed poplar trees with reduced lignin levels, while improving their wood properties. This breakthrough could make fiber production for paper, diapers, and other products more sustainable, efficient, and cost-effective.
Recent development in identification of oligomeric products from lignin depolymerization reveals understanding of formation causes and potential valorization routes. Common targeted products include monomeric phenols, aromatics, and cycloalkanes.
The Center for Bioenergy Innovation has been renewed with $590 million in funding over five years to develop sustainable jet fuel from nonfood biomass crops and specialty processes. The center aims to reach Tier 1 validation of its jet biofuel, reducing carbon dioxide emissions from commercial aircraft.
A team led by Professor Siegfried Waldvogel has successfully degraded Kraft lignin using a
Scientists have successfully developed a novel method to recover vanillin from Kraft lignin, a previously waste material, without using harmful chemicals. This process utilizes recycled materials and electric power, making it an environmentally friendly approach to meet the high demand for vanillin in various industries.
Researchers have developed a method to transform lignin, a biopolymer found in biomass, into chemically recyclable plastics using light. This breakthrough could advance the circular plastic economy by producing next-generation materials with reduced waste.
Rice University scientists have developed a method to engineer wood that traps carbon dioxide while increasing its strength. This process involves removing lignin and hemicellulose from the wood and replacing them with metal-organic framework particles, making it a sustainable alternative to traditional materials.
Researchers decipher metabolic mechanisms of Comamonas testosteroni to digest complex carbons, enabling potential for biotechnology platforms that recycle plastic waste. The study reveals a novel approach to upcycle plastic waste into industrially relevant polymers.
Researchers at Northwestern University developed a sustainable biorefinery that turns organic waste, including lignin, into valuable products. The process involves a microbial electrolysis cell that breaks down lignin into aromatic compounds with medicinal properties.
Plant biochemists have discovered a new level of regulation in the biochemical machinery that plants use to convert organic carbon into aromatic compounds. The research reveals new strategies for controlling plant biochemistry, including genetic tools to precisely control which compounds get produced in different parts of a plant.
A team of scientists, led by Marco Fraaije from the University of Groningen, has developed an enzyme that can convert lignin monomers into useful chemical building blocks. The enzyme has been engineered to be stable, selective, and faster in conversion, offering a promising solution for the valorization of biomass.
A new catalytic process using lignin could enable the production of 100% sustainable aviation fuel, reducing carbon emissions from the airline industry. The researchers successfully reduced the oxygen content of lignin to less than a half-percent, making it suitable for use as a jet fuel blendstock.
Researchers have discovered a way for plants to adapt to drought by modifying their lignin chemistry, enabling them to grow and thrive in challenging conditions. By understanding the 'chemical code' of lignin, scientists can develop crops and trees that are more resilient to climate change stresses.
Researchers at Washington University in St. Louis have developed a new type of lignin that can improve the strength and recyclability of carbon fibers. When combined with polyacrylonitrile, the lignin-based material has shown record-breaking tensile strength and enhanced mechanical properties.
A new artificial enzyme has successfully degraded lignin, a stubborn polymer in woody plants, offering hope for developing a new renewable energy source. The enzyme, developed by mimicking natural enzymes that break down lignin in nature, shows promise for producing valuable products from lignin.
A fungus, Moniliophthora perniciosa, causes witches' broom disease in cocoa trees by releasing cytokinin, altering plant hormone balance. The fungus then consumes lignin produced by the tree's vascular tissue after its death.
Researchers developed a sustainable jet fuel from agricultural waste that increases energy density and replaces aromatics, reducing soot emissions and contrails. The fuel's properties make it suitable for blending with conventional fuels to meet aviation industry demands.
Researchers identified eight new microorganisms that cleave ether bonds in the lignin-based compound-2-phenoxyacetophenone. These discoveries could enhance our understanding of the carbon cycle and facilitate biotechnological applications for lignin commercialization.
Researchers at the University of Delaware have developed a low-pressure method to convert industrially processed biomass into high-performance plastics and valuable chemicals. The process uses glycerin as a solvent instead of methanol, reducing costs and environmental impact.