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.....»»
Lab develops smallest free-floating bubbles for medical imaging
Bioengineering researchers at Rice University have developed ultrasmall, stable gas-filled protein nanostructures that could revolutionize ultrasound imaging and drug delivery......»»
New method for simultaneous high-resolution measurement of chiral molecules
Researchers have developed a new method for precisely analyzing molecules' chirality. This method, known as cavity-enhanced chiral eigenmode (CECEM) spectroscopy, offers several advantages over existing techniques, including the ability to simultaneo.....»»
Scientists demonstrate chemical reservoir computation using the formose reaction
Researchers from the Institute for Molecules and Materials at Radboud University, Netherlands, have demonstrated that a complex self-organizing chemical reaction network can perform various computational tasks, such as nonlinear classification and co.....»»
Research team develops light-activated compounds to treat neuropathic pain
Light can be used to activate drugs in specific parts of the body through photopharmacology. This innovative approach involves modifying the chemical structure of a drug by adding a light-activated molecular switch, such as azobenzene. This allows th.....»»
Croc"s deadly last meal in Ancient Egypt unearthed
Scientists have used state of the art 3D imaging technology to piece together the life—and probable death—of a 2.2 meter-long crocodile mummified by the ancient Egyptians......»»
Integrating small-angle neutron scattering with machine learning enhances measurements of complex molecular structures
Small-angle scattering (SAS) is a powerful technique for studying nanoscale samples. So far, however, its use in research has been held back by its inability to operate without some prior knowledge of a sample's chemical composition. Through new rese.....»»
Scientists create computer program that "paints" the structure of molecules in the style of famous Dutch artist
Scientists from Trinity College Dublin have created a computer program that "paints" the structure of molecules in the style of famous Dutch artist, Piet Mondrian, whose beautiful artworks will be instantly recognizable to many......»»
Scientists find new way global air churn makes particles
You can think of our atmosphere as a big chemistry set, a global churn of gaseous molecules and particles that constantly bounce off and change each other in complicated ways. While the particles are very small, often less than 1% of the thickness of.....»»
Prussian blue analogs unlock affordable, long-lasting lithium-ion batteries
Prussian blue (PB), a well-known pigment used to dye jeans, has been recognized as an emerging material for next-generation batteries. A team of researchers, led by Professor Hyun-Wook Lee in the School of Energy and Chemical Engineering at UNIST has.....»»
Biologists determine the liver is the source of free glycans in the bloodstream
In a rat study, RIKEN biologists have solved the mystery of where glycan molecules in the blood come from, tracking them down to the liver. This finding could lead to new biomarkers for liver-related diseases......»»
Advanced imaging reveals how a parasitic "kiss" alters cell metabolism
Toxoplasma gondii is a parasite responsible for toxoplasmosis, a lifelong chronic infection prevalent in about 30% of the human population. It poses little harm to healthy individuals, but can result in severe consequences for immunocompromised peopl.....»»
Astronomers discover dozens of double-lined double white dwarf binaries
An international team of astronomers reports the discovery of 34 rare double-lined double white dwarf binary systems using the Intermediate-dispersion Spectrograph and Imaging System (ISIS) on the William Herschel Telescope (WHT). The finding was det.....»»
Team investigates chemical modifications to gain deeper insights into genetic regulation mechanisms
University of North Carolina at Chapel Hill researchers have determined whether a specific chemical modification of a protein that packages the genome called a histone affects gene activity and cell proliferation, according to the paper, "Drosophila.....»»
Moving from the visible to the infrared: Developing high quality nanocrystals
Awarded the 2023 Nobel Prize in Chemistry, quantum dots have a wide variety of applications ranging from displays and LED lights to chemical reaction catalysis and bioimaging. These semiconductor nanocrystals are so small—on the order of nanometers.....»»
Researchers identify multiple "forever chemical" contamination hot spots in US
Harmful chemicals that don't break down are present in public water systems nationwide, and West Virginia University economists have found that densely populated, higher-income areas and those that use groundwater tend to have the highest contaminati.....»»
Improved imaging offers new insight into Mount Etna
With a technique called seismic tomography, researchers use the shape of traveling seismic waves from nearby or distant earthquakes to create 3D images of inner Earth, allowing them to "see" hundreds of kilometers below the surface......»»
The art of molecular self-assembly: Crafting 2D nanostructures for advanced materials
Creating periodic nanostructures is vital for progress in material science and nanotechnology. Traditional methods often struggle with complexity and scalability. Integrating bottom-up self-assembly of block molecules with top-down lithography offers.....»»
Researchers engineer poplar trees to synthesize valuable chemical squalene, normally harvested from shark livers
What do poplar trees, sharks and biofuels have in common? While it might sound a bit like a riddle, a team led by Michigan State University biochemists has reported exciting findings concerning all three in the quest for cleaner energy......»»
First set of rational design principles for chaotropic membrane transporters
The challenge of internalizing impermeable molecules into cells persists in drug development, particularly concerning water-soluble bioactive compounds that cannot diffuse across the cell membrane. To overcome this problem, various artificial transpo.....»»
Novel time-of-flight-resolved stimulated Raman scattering microscopy enables high-resolution bioimaging
Stimulated Raman scattering (SRS) microscopy is an optical vibrational spectroscopic imaging technique and has emerged as an appealing label-free imaging tool for tissue and cell imaging and characterization with high biochemical specificity......»»