Imaging the chemical fingerprints of molecules
Flip through any chemistry textbook and you'll see drawings of the chemical structure of molecules—where individual atoms are arranged in space and how they're chemically bonded to each other. For decades, chemists could only indirectly determine c.....»»
Researchers identify nutrient enrichment driven by canopy rainfall redistribution
Precipitation deeply couples with nutrient cycling through its interactions with atmospheric deposition and canopy interception, which alters its own chemical properties. Throughfall and stemflow carry numerous elements into the soil, not only affect.....»»
Machine learning and AI aid in predicting molecular selectivity of chemical reactions
There are few problems now that AI and machine learning cannot help overcome. Researchers from the Yokohama National University are using this modern advantage to resolve what conventional methods cannot......»»
Discovery of biomarkers in space—conditions on Saturn"s moon Enceladus simulated in the laboratory
In 2018, very large organic molecules were discovered in ice particles on Saturn's moon Enceladus. It is still unclear whether they indicate the existence of life or were created in some other way. A recent study could help to answer this question. I.....»»
Chemical tweaks to a toad hallucinogen turns it into a potential drug
Targets a different serotonin receptor from other popular hallucinogens. Enlarge / The Colorado River toad, also known as the Sonoran Desert Toad. (credit: Mark Newman) It is becoming increasingly accepted that classic p.....»»
Team observes two distinct holographic patterns with ultrafast imaging
A team of scientists led by Professor Dong Eon Kim at the Pohang University of Science and Technology and Professor X. Lai at the Innovation Academy for Precision Measurement Science and Technology has achieved a breakthrough in ultrafast imaging by.....»»
New "forever chemical" cleanup strategy discovered
As the U.S. Environmental Protection Agency cracks down on insidious "forever chemical" pollution in the environment, military and commercial aviation officials are seeking ways to clean up such pollution from decades of use of fire suppressant foams.....»»
For sustainable aviation fuel, researchers engineer a promising microorganism for precursor production
Sustainable aviation fuels made from renewable sources of carbon could reduce carbon dioxide emissions and help to mitigate climate change. Isoprenol is a chemical involved in the production of a jet biofuel blendstock called 1,4-dimethylcyclooctane.....»»
Getting dirty to clean up the chemical industry"s environmental impact
The global chemical industry is a major fossil fuel consumer and climate change contributor; however, new Curtin University research has identified how the sector could clean up its green credentials by getting dirty......»»
A multi-stream network for retrosynthesis prediction
Retrosynthesis aims to predict a set of reactants for producing given molecules, which plays a significant part in the biochemistry field, such as molecular pathway design and drug discovery. Most existing methods only benefit from one kind of inform.....»»
NASA and JAXA XRISM spot iron fingerprints in nearby active galaxy
After starting science operations in February, Japan-led XRISM (X-ray Imaging and Spectroscopy Mission) studied the monster black hole at the center of galaxy NGC 4151......»»
Strictly no dancing: Researchers discover "new molecular design rules"
Since the discovery of quantum mechanics more than a hundred years ago, it has been known that electrons in molecules can be coupled to the motion of the atoms that make up the molecules. Often referred to as molecular vibrations, the motion of atoms.....»»
Catalyst search shows how computing can take the guesswork out of chemistry
Imagine synthesizing and then testing over 50 different complex molecules to identify the most effective catalyst for a particular chemical reaction. The traditional approach to developing new catalysts for chemical reactions in this "try it and see".....»»
Research team develops AI to perform chemical synthesis
Chemistry, with its intricate processes and vast potential for innovation, has always been a challenge for automation. Traditional computational tools, despite their advanced capabilities, often remain underutilized due to their complexity and the sp.....»»
Researchers develop nanotechnology for creating wafer-scale nanoparticle monolayers in seconds
Nanoscale materials present us with astonishing chemical and physical properties that help materialize applications such as single molecular sensing and minimally invasive photothermal therapy—which were once just theories—into reality......»»
Study reveals flaw in long-accepted approximation used in water simulations
Computational scientists at the Department of Energy's Oak Ridge National Laboratory have published a study in the Journal of Chemical Theory and Computation that questions a long-accepted factor in simulating the molecular dynamics of water: the 2-f.....»»
Microbiome studies help explore treatments for genetic disorders
A collaboration has led to the identification, in a bacterium of the intestine, of new CRISPR-Cas9 molecules that could have a clinical potential to treat genetic diseases such as retinitis pigmentosa, through sub-retinal injections. Anna Cereseto an.....»»
Geologists, biologists unearth the atomic fingerprints of cancer
Scientists at the University of Colorado Boulder and Princeton University have, for the first time, employed a tool often used in geology to detect the atomic fingerprints of cancer......»»
Ultrathin samples with surface phonon polariton enhance photoinduced dipole force
A new study has been led by Prof. Xing-Hua Xia (State Key Lab of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University). While analyzing the infrared photoinduced force response of quartz, Dr. Jian Li.....»»
Variety in building block softness makes for softer amorphous materials
Scientists from Tokyo Metropolitan University have created a new model for disordered materials to study how amorphous materials resist stress. They treated groups of atoms and molecules as squishy spheres with varying softness......»»
DDT pollutants found in deep sea fish off LA coast raise questions about the pesticide"s continuing threat to wildlife
In the 1940s and 1950s, the ocean off the coast of Los Angeles was a dumping ground for the nation's largest manufacturer of the pesticide DDT—a chemical now known to harm humans and wildlife. Due to the stubborn chemistry of DDT and its toxic brea.....»»