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Analytical Chemistry news
Scientists synthesize unsymmetrical ureas using non-phosgene method
Unsymmetrical ureas can form multiple stable hydrogen bonds with proteins. Since drugs containing urea functional groups display unique biological activities when interacting with their targets, they play an important role ...
Biochemistry
9 hours ago
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Integrated approach elucidates the long-sought structure of a natural powerful anticancer product
A collaborative effort by the research groups of Professor Haruhiko Fuwa from Chuo University and Professor Masashi Tsuda from Kochi University has culminated in the structure elucidation and total synthesis of anticancer ...
Biochemistry
9 hours ago
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1
Cobalt ions, not covalent organic frameworks themselves, drive catalytic activity, study finds
Covalent organic frameworks (COFs) are less stable as catalysts than previously thought but remain highly active. COFs are promising designer catalysts, for example for the sustainable production of chemicals and fuels. Their ...
Analytical Chemistry
Nov 26, 2024
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Biochemical alert system makes quick health and environmental monitoring possible
University of Wisconsin–Madison biochemists have developed a new, efficient method that may give first responders, environmental monitoring groups, or even you, the ability to quickly detect harmful and health-relevant ...
Biochemistry
Nov 26, 2024
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From days to hours: A faster way to make a promising new catalyst
Scientists have discovered a faster, more sustainable method for making metal-encapsulated covalent organic frameworks (COFs), materials that have the potential to play a crucial role in catalysis, energy storage, and chemical ...
Analytical Chemistry
Nov 26, 2024
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Microwave-assisted synthesis route leads to record-breaking performance for CO₂ conversion
Turning carbon dioxide (CO2) into useful chemicals is a compelling avenue towards minimizing our CO2 emissions and curbing climate change. Photocatalysts, which can be designed to leverage energy from light to drive CO2 conversion, ...
Polymers
Nov 26, 2024
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41
Improved catalyst turns harmful greenhouse gases into cleaner fuels and feedstocks
A chemical reaction can convert two polluting greenhouse gases into valuable building blocks for cleaner fuels and feedstocks, but the high temperature required for the reaction also deactivates the catalyst. A team led by ...
Analytical Chemistry
Nov 26, 2024
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Researchers develop a rapid, hands-free test for detecting bacteria in liquids
A novel new test for bacteria in fluids makes it as easy as observing a color change to confirm the presence of disease-causing pathogens, promising much easier diagnostic tests and greater food safety.
Biochemistry
Nov 26, 2024
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High-entropy-alloy catalyst boosts propane dehydrogenation efficiency
A research team from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences has recently developed a Pt-based high-entropy-alloy (HEA) catalyst that significantly enhances the efficiency ...
Analytical Chemistry
Nov 26, 2024
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X-ray measurements reveal an unexpected role for copper in photocatalysts
Copper is a promising catalyst for sustainably converting carbon dioxide into substances with more electrons (called reduced species). This is an important step in converting carbon dioxide into fuels. This reaction is often ...
Analytical Chemistry
Nov 26, 2024
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Study finds ZnO nanorods achieve 98.3% Faraday efficiency in CO₂ reduction
Nano-ZnO is a potential catalyst material for carbon dioxide electrocatalytic reduction (CO2RR), but its effective Faraday efficiency (FE) is still below 90% and the current density is less than 300 mA cm-2, which is not ...
Analytical Chemistry
Nov 25, 2024
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44
A new carbon-negative method to produce essential amino acids
Amino acids are essential for nearly every process in the human body. Often referred to as "the building blocks of life," they are also critical for commercial use in products ranging from pharmaceuticals and dietary supplements, ...
Biochemistry
Nov 25, 2024
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Study identifies path to design stable, durable polymer membranes for clean energy
Electrolytes that convert chemical to electrical energy underlie the search for new power sources with zero emissions. Among these new power sources are fuel cells that produce electricity.
Polymers
Nov 25, 2024
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Machine learning approach discovers crystallizable organic semiconductors
Organic semiconductors represent a transformative technology that bridges traditional electronics with the versatility of organic materials. They make flexible, wearable devices and next-generation displays possible.
Biochemistry
Nov 25, 2024
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Using sunlight to recycle black plastics: Researchers leverage additive to make materials chemically useful
Not all plastics are equal—some types and colors are easier to recycle than others. For instance, black foam and black coffee lids, which are often made of polystyrene, usually end up in landfills because color additives ...
Polymers
Nov 25, 2024
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64
A molecular trap for exotic metals promises improved diagnostics and faster drug development
A group of scientists from IOCB Prague, led by Dr. Miloslav Polášek, have created compounds that are up to a million times more stable than similar substances used in contemporary medicine to treat tumors or as contrast ...
Biochemistry
Nov 25, 2024
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Study discovers formation of Criegee intermediates from photochemical oxidation of alkenes
Organic peroxy radicals (RO2) and Criegee intermediates (CI, carbonyl oxides) are key reactive species in atmospheric chemistry and play crucial roles in the formation of secondary organic aerosol (SOA).
Analytical Chemistry
Nov 25, 2024
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Sustainable method can electrosynthesize important chemical for synthetic rubber production
Chemists from the National University of Singapore (NUS) have developed a sustainable method to electrosynthesize 1,3-butadiene, a feedstock used for synthetic rubber production, from acetylene.
Analytical Chemistry
Nov 23, 2024
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71
Natural substance from edible cyanobacterium could combat skin aging by enhancing collagen
Cyanobacteria, or blue-green algae, have existed for billions of years, adapting to a diverse range of environments. Their remarkable ability to photosynthesize and make their own food, as well as their adaptability across ...
Biochemistry
Nov 22, 2024
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89
Exploring new liquid organic hydrogen carrier materials for a safer, more transportable energy source
To reduce CO2 emissions, the energy transition from a carbon-based energy system to a more sustainable system based on hydrogen energy is urgently needed. However, the nature of hydrogen (such as low volumetric density, flammability, ...
Analytical Chemistry
Nov 22, 2024
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More news
Nano-patterned copper oxide sensor provides rapid ultra-low hydrogen detection
Inexpensive catalyst recycles methane emissions at room temperature
Spinel oxides study reveals pathways for improved electrocatalyst performance
Light-based photocatalytic system can break down PFAS at room temperature
Other news
Why the hunt for Thanksgiving's favorite bird could get tougher
Seemingly simple climate adaptation strategy could backfire
The future of tick control: Identifying genetic tools to control cattle fever ticks
Triazenolysis: A new chemical process to produce raw materials
Review makes connections between electron density-based methods
Novel magnetic field integration enhances green hydrogen peroxide production
When is a hole not a hole? Researchers investigate the mystery of 'latent pores'
Cell model identifies important factor in neural development
