Articles tagged with Chemical Resistance
Scientists are racing to find solutions as Palmer amaranth develops resistance to multiple herbicides, outcompeting crops for resources. The weed's ability to thrive and produce new generations of resistant plants poses significant threats to crop yields.
Waterhemp, a broadleaf weed common in corn and soybean fields, has become resistant to multiple herbicides, including Group 15s. Scientists have confirmed the resistance in a new study from the University of Illinois, which highlights the need for farmers to rethink long-term management strategies.
Scientists at the Francis Crick Institute and Imperial College London have identified novel compounds that target a different part of the malaria parasite's enzyme, evading the same resistance mechanism. This study aimed to prevent malaria treatment resistance by studying how it evolves during drug development.
Scientists at University of Freiburg create three-dimensional hollow structures in quartz glass using Glassomer process. This breakthrough enables the production of optical waveguides and microfluidic channels, previously difficult to manufacture due to glass's chemical resistance.
Ascribe Bioscience has developed a seed treatment technology using ascarosides, signaling molecules produced by microscopic worms in the soil microbiome. The technology enhances plant resistance to pathogens at extremely low concentrations.
A new laser technique has been validated for removing non-stick and anticorrosive coatings made of fluoropolymers from industrial products. The method uses a Nd:YAG industrial laser and has shown effective results in recovering the material.
A study by Cambridge University researchers found Italian ryegrass resistant to multiple herbicides, including clethodim and glyphosate. The study recommends preemergence herbicides for effective control of the weed in fruit and nut tree crops.
Researchers found high levels of fungicide resistance in dollar spot isolates from golf courses, ranging from 41-85% compared to resistant-free samples. The study suggests that fine-tuning fungicide programs can help reduce the need for repeated applications and save golf courses money.
Researchers found that the peppermint shrimp outperformed other species in a set of experiments, reducing parasite infection by 87% and targeting environmental stages. This discovery provides a viable candidate for a natural biocontrol agent to combat parasites in aquaculture industries.
Researchers have developed a new method to analyze plant resistance to bacterial wilt at the seedling stage, allowing for early detection of disease-resistant cultivars. This approach combines plant metabolomics and statistical modeling to identify key chemicals that confer resistance.
Researchers confirm glyphosate resistance in junglerice, a weedy grass affecting rice, corn, and vegetable crops. Resistance mechanisms identified as target-site mutation and reduced translocation of glyphosate, emphasizing the importance of integrated control methods.
A new type of bed net showed a 12% reduction in clinical malaria cases compared to conventional nets, and children sleeping under it were 52% less likely to be anaemic. The study also found a 51% reduction in risk of malaria-infective mosquito bites.
A study published in PLOS ONE found intricate tunnel systems inside garnet crystals from Thailand, suggesting the presence of microorganisms. The tunnels were formed by endolithic microbes, providing a rare source of iron for these organisms in nutrient-poor sediments.
Researchers at Goethe University Frankfurt have created a new process to produce highly functionalized organochlorosilanes, ideal crosslinkers for various applications. The process enables the production of inorganic-organic hybrid materials with unique properties.
Researchers developed an algorithm capable of analyzing the spread of antibiotic resistance genes in gut microbiota, revealing new evidence of gene transfer between bacterial species. This method can contribute to effective therapy schemes and curb superbug emergence.
Weeds like common waterhemp and Palmer amaranth can reduce corn and soybean yields by up to 80%, while resistant weeds are developing resistance to available herbicides. To combat this, researchers suggest diversifying weed management practices with crop rotation, weed suppressive cultivars, and other tactics.
University of Nevada, Reno researchers are developing mosquitoes that can detect and avoid human odors, potentially breaking the transmission cycle of mosquito-borne diseases. The goal is to create genetically modified mosquitoes that feed on other animals, reducing resistance development.
Researchers at KAIST have synthesized DNA-copper nanoflowers using eco-friendly conditions, exhibiting high DNA loading capacities and low cytotoxicity. The hybrid nanoflowers show exceptional peroxidase activity, enabling sensitive detection of molecules.
Researchers have discovered a unique gene responsible for metabolic atrazine resistance in waterhemp, which can evolve resistance to multiple herbicides. The gene is associated with GST enzymes and has been found to make plants more resistant to herbicides.
A UK-based international team of researchers has made a breakthrough in understanding the mechanism of mcr-1 gene-mediated resistance to colistin. They identified key features necessary for the protein that modifies bacterial surface to reduce colistin binding, and constructed computer models to block MCR-1 function.
The FDA's triclosan ban is a starting point for addressing antibiotic resistance and environmental concerns. Researchers emphasize the need for new chemicals that demonstrate both efficacy and safety in replacing banned substances.
A global-scale survey of 100 snake species has found a larger number of snakes with a mutation that protects them from the deadly toxins stored in toad skin. The research reveals these mutations occur in a wider range of species than previously believed, challenging the initial assumption they were limited to toad-eating snakes.
A brief blast of heat can kill bedbugs on the exterior of soft-sided luggage, according to a study by University of California, Irvine entomologist Catherine Loudon. The six-minute treatment at temperatures between 158 and 167 degrees effectively killed all bedbugs on the exterior, including those under zipper flaps and decorative piping.
Scientists have developed a way to upsize nanostructures into light, flexible 3-D printed materials with unprecedented scalability. The new process creates lightweight, strong and super elastic materials with a 400 percent increase in tensile elasticity over conventional metals and ceramic foams.
Researchers at Berkeley Lab have developed a new method to predict material stability in semiconductors, crucial for creating efficient solar fuel generators. By analyzing bismuth vanadate, they found complex chemical instabilities that must be addressed to achieve stable performance.
Researchers at 2Blades Foundation have isolated novel disease resistance genes and successfully transferred them into wheat, soybean and potato to combat diseases such as wheat stem rust, Asian soybean rust and late blight of potato. These breakthroughs aim to provide durable genetic resistances to protect crops from devastating losses.
Scientists have developed a new method to accelerate the isolation of plant disease resistance genes, using 'SMRT RenSeq' technology. This technique has been successfully used to identify a brand new source of blight resistance genes in Solanum americanum, a wild relative of the potato.
A new study found that different strains of bed bugs have varying levels of resistance to insecticides, with some having oxidases and others esterases. The researchers used a synergist called EN16/5-1 to determine which enzyme type was responsible for the resistance.
A recent University of Illinois study found that waterhemp populations in the Midwest are resistant to multiple classes of herbicides, including HPPD-inhibitors and ALS-inhibitors. Researchers recommend using integrated pest management strategies, such as mechanical soil preparation and seed control, to reduce resistance.
Researchers developed a new n-type semiconducting polymer with superior electron mobility and oxidative stability, boosting charge transport in polymer semiconductors. The modified polymer formed a superstructure composed of polymer backbone crystals and side-chain crystals, resulting in high semicrystalline order.
A recent study found that six commonly used insecticides kill amphibian parasites, potentially decreasing the number of parasites an amphibian must defend against. The study also showed population-specific differences in pesticide resistance, highlighting the importance of considering multiple populations when assessing toxicity.
Researchers found that lice populations in 25 states have high levels of gene mutations linked to resistance to pyrethroids. The most resistant populations are from California, Texas, and Florida, where lice have all three genetic mutations associated with knockdown resistance.
A new method for producing high-quality yarn from gelatine has been developed by Philipp Stössel and his team. The process involves spinning the protein-rich material into fine fibers that can be woven into textiles with improved insulation and water resistance compared to traditional wool-based fabrics.
A study in the Journal of Marketing found that chemical farmers resist converting to organic methods because it challenges their belief systems. Organic farmers, on the other hand, report a sense of joy and renewal through their practice.
Gila Stein, a University of Houston chemical engineer, received an NSF grant to build models explaining lithography systems used for device fabrication. Her research focuses on chemically amplified resists, which are crucial for patterning semiconductor devices in smaller sizes.
Scientists boosted potato resistance to late blight without deploying fungicides in a three-year GM research trial. The study found non-transgenic plants were 100% infected while GM plants remained fully resistant., The GM technology triggers the plant's natural defense mechanisms, enabling it to recognize and resist the pathogen.
A study by Arjun Venkatesan and Rolf Halden found that sludge contains 123 distinct CECs, including high-production volume chemicals like flame-retardants and antimicrobials. Analysis of these chemicals in sludge may provide a useful surrogate for assessing human exposure and bioaccumulation.
Duke University researchers used computational methods to identify dozens of new platinum-group alloys that could prove beneficial in applications such as catalytic conversion, corrosion-resistance, and fuel cells. The study provides detailed structural data on known materials and identifies potential targets for further research.
Naked mole rats have a unique protein richly present in their tissues that protects them from cancer, according to recent research. The researchers identified high molecular weight hyaluronan (HMW-HA) as the chemical responsible for this resistance.
A team of chemists from the University of Valencia has proposed a two-stage process for creating Maya Blue, a highly-resistant pigment used in ancient Mesoamerican cultures. The researchers believe that indigo and palygorskite clay can be combined through heat to form a blue pigment with variable proportions.
C. Grant Willson and Jean M.J. Fréchet developed chemically amplified resists, enabling the mass production of microprocessors and memory chips. Their innovative process is used worldwide in various technologies, including mobile phones and medical equipment.
Researchers at Harvard University found that certain atmospheric particles can resist chemical aging in a jelly-like phase, challenging current climate models. This discovery may impact the formation of clouds and light absorption.
A new gene has been discovered that can help make domestic tomatoes more resistant to pests, a trait shared by their wild cousins. The research, published in the Proceedings of the National Academy of Sciences, identifies a gene involved in producing acyl sugars that fend off bugs.
Researchers at the Max Planck Institute for Chemical Ecology identified a specific enzyme, CYP337B3, responsible for the cotton bollworm's resistance to pyrethroids. This discovery highlights the importance of understanding the genetic mechanisms behind insecticide resistance.
A clinical study published by The Endocrine Society reveals that over half of type 2 diabetes patients are aspirin resistant, increasing the risk of blood clots causing heart attacks and strokes.
Researchers found that defects in graphene improve its chemical sensing capabilities, leading to potential breakthroughs in gas detection technology. The study suggests that micrometer-sized line defects can enhance the sensitivity of graphene sensors.
Researchers identified genes expressed when diamondback moth is attacked by parasitic wasp, which could lead to new control measures and resistance management strategies. The study provides a comprehensive analysis of the impact of parasitization on host physiology.
Researchers discover house mice acquired warfarin resistance from Algerian mice through interbreeding, highlighting multiple pathways to trait evolution. This unusual process helps explain rodents' ability to resist poison and informs strategies for controlling evolved resistances.
Developed at the Technical University of Munich, Metaklett is a steel-based hook and loop fastener resistant to temperatures up to 800°C and aggressive chemicals. It has a tensile load of up to 35 tonnes per square meter and can be easily opened and closed.
Scientists developed a test to evaluate the performance of smudge- and reflection-resistant coatings used in smartphones. The test revealed that fluoroether content, silica, and aluminum layers enhance anti-smudge properties and reduce glare.
Researchers at Rensselaer Polytechnic Institute have discovered that incorporating treated carbon nanotubes into epoxy composites can significantly improve toughness and crack resistance. The study found a five-fold reduction in crack growth rate when subjected to repetitive stress.
Developed over 20 years through classical breeding techniques, WineCrisp boasts scab resistance and a pleasant flavor mix of sugar and acid, available now for licensing to nurseries, with potential market in the southeastern US and extended shelf life.
A new study has discovered that a single gene in the codling moth can make it 100,000 times less susceptible to a granulovirus, used as an environmentally friendly means of biological crop protection. The virus resistance is inherited on the Z chromosome and can spread quickly through populations.
Plants form networks to warn each other of enemies and threats, allowing them to strengthen their defenses. However, these same networks can be used by plant viruses to rapidly spread and infect other plants.
The University of Leeds is developing a new material for mosquito nets that uses its structure to kill mosquitoes, reducing the need for chemical-treated nets. This approach has the potential to break the cycle of insect resistance to insecticides, making it a safer and cheaper method of protection.
Research by University of Bath scientists shows that DDT resistance confers an advantage when inherited through females, leading to its global spread. This discovery challenges the common assumption that genetic resistance always carries a fitness cost.
Researchers at Northwestern University have developed a new coating that provides effective fouling resistance for over five months, outlasting existing antifouling polymers. The coating, made of two parts, sticks securely to surfaces and prevents cell and protein buildup, holding promise for use on medical implants.
Researchers at Purdue University have identified a method to identify chemical compounds that can be added to pesticides to overcome insect resistance. The approach, which was tested on fruit flies, shows promise for increasing the effectiveness of current pesticides and reducing the need for new ones.
Researchers have discovered a single gene mutation in flies that provides resistance to multiple, chemically unrelated pesticides. This mutation has spread globally and has been linked to devastating consequences if not addressed through reassessment of current pest management methods.
Researchers at University of Melbourne warn of potential risks in pesticide control due to widespread resistance discovered in Drosophila melanogaster fly species. The gene Cyp6g1 confers resistance by producing more protein that breaks down pesticides, posing significant challenges for future pest management options.