Chemistry
Molecule modification could improve reprocessing of spent nuclear fuel  PHYS.ORG · 4 hours
The reprocessing of spent nuclear fuel could become safer and more efficient in future after researchers found a way to modify the structure of molecules to remove radioactive materials. more
Putting a nanomachine to work  nanowerk · 4 hours
A team of chemists has successfully coupled the directed motion of a light-activated molecular motor to a different chemical unit - thus taking an important step toward the realization of synthetic nanomachines. more
Chemist creates cheap catalysts for the production of vanillin  PHYS.ORG · 4 hours
A chemist from RUDN University has created cheap and effective catalysts for the production of vanillin using spinel nanoparticles with copper oxide nanoparticles. Hydrogen peroxide was used as an oxidizing... more
Chemist creates new catalysts for click reactions  PHYS.ORG · 4 hours
A chemist from RUDN University has created a series of catalysts for click chemistry. These reactions are widely used in the synthesis of biologically active substances, as well as in biological and medical research.... more
Putting a nanomachine to work  PHYS.ORG · 4 hours
A team of chemists at LMU has successfully coupled the directed motion of a light-activated molecular motor to a different chemical unit—thus taking an important step toward the realization of synthetic nanomachines. more
The roughening of a platinum electrode  PHYS.ORG · 5 hours
Smooth platinum electrodes roughen and wear when subjected to repeated cycles of oxidation and reduction, which causes nanometer scale mounds to grow. Leiden chemists Leon Jacobse and Mark Koper, together with physicist Marcel Rost, discovered the... more
From quarks to quails: Can the different sciences be unified?  PHYS.ORG · 5 hours
The world around us is populated by a vast variety of things—ranging from genes and animals to atoms, particles and fields. While these can all be described by... more
Nanoscopy through a plasmonic nanolens  PHYS.ORG · 5 hours
Imaging at the scale of a single molecule has gained much recent research interest in diverse fields of molecular biology, physics and nanotechnology. Researchers have used super-resolution microscopy to access subdiffraction resolution, but the technique does not apply... more
Scientists zero in on endgame for nasty bacteria  PHYS.ORG · 5 hours
Medications were once discovered by finding active ingredients in traditional remedies or by serendipitous discovery. A relatively new approach is to understand how disease and infection are controlled at the molecular level,... more
The long-term effects of wildfires  PHYS.ORG · 5 hours
The recent massive wildfires in Australia have killed more than 30 people and an estimated 1 billion animals, and burned 2,500 homes and millions of acres. And the human toll is expected to rise even after the blazes... more
Chemists propose new reagents for the removal of lead from wastewater  PHYS.ORG · 6 hours
RUDN University chemists together with colleagues from other countries have synthesized new compounds that effectively bind lead ions and can be used to remove it from... more
Atomic layer 3D printing  nanowerk · 10 hours
A team of scientists and engineers plan to combine expertise in the chemical control of atomic layer deposition, in gas delivery, microelectromechanical devices, and microprocessing and automation, in order to demonstrate the potential of atomic-layer 3D printing. more
Current model for storing nuclear waste is incomplete  SCIENCE DAILY · 22 hours
The materials the United States and other countries plan to use to store high level nuclear waste will likely degrade faster than anyone previously knew, because of the way those materials interact,... more
Synthesis of bio-based high-performance polyamide from biogenic residues  PHYS.ORG · 1 day
A research team from the Fraunhofer Society and the Technical University of Munich (TUM) led by chemist Volker Sieber has developed a new polyamide family which can be produced from a byproduct... more
Principles for a green chemistry future  nanowerk · 1 day
Scientists make the case for a future where the materials and chemicals that make up the basis of our society and our economy are healthful rather than toxic, renewable rather than depleting, and degradable rather than... more
Superfast insights into cellular events  PHYS.ORG · 1 day
In the same way that a single piece of a puzzle fits into the whole, the molecule hypoxanthine binds to a ribonucleic acid (RNA) chain, which then changes its three-dimensional shape within a second and in so doing... more
Chemist creates efficient catalyst for organic sulfides synthesis  PHYS.ORG · 1 day
A RUDN chemist has obtained a new compound—a dumbbell-shaped phosphate-bridged molybdenum cluster. The cluster accelerates the reaction of the formation of sulfides from oxides and can be used in pharmaceutical and cosmetic... more
Researchers use chicken poop to dope graphene to make a point  PHYS.ORG · 1 day
A trio of researchers, two from the University of Chemistry and Technology, Praha 6, the other the University of Toronto, has demonstrated that chicken feces can... more
Assessing risk of chemicals to wildlife is huge challenge that requires new approach  PHYS.ORG · 1 day
Computer modeling and long-term ecological monitoring will be essential to assess the environmental risks of the rapidly growing number of chemicals across... more
Study traces the molecular roots of hypertrophic cardiomyopathy  NEWS MEDICAL · 1 day
The heart's ability to beat normally over a lifetime is predicated on the synchronized work of proteins embedded in the cells of the heart muscle. more
Towering dinosaur with radioactive skull identified in Utah  LIVE SCIENCE · 1 day
Paleontologists have discovered the skeleton and radioactive skull of a previously unknown species of Allosaurus. more
Assessing risk of chemicals to wildlife is huge challenge that requires new approach  SCIENCE DAILY · 3 days
Computer modelling and long-term ecological monitoring will be essential to assess the environmental risks of the rapidly growing number of chemicals across... more
Blue-emitting diode demonstrates limitations and promise of perovskite semiconductors  SCIENCE DAILY · 4 days
Halide perovskites have garnered attention because they're highly efficient at capturing energy in solar cells and efficient emitters in diodes. But researchers failed at making perovskite LEDs that emit blue... more
'Jumping genes' help stabilize DNA folding patterns  SCIENCE DAILY · 4 days
The DNA molecule inside the nucleus of any human cell is more than six feet long. To fit into such a small space, it must fold into precise loops that also govern how genes... more
'Jumping genes' help stabilize DNA folding patterns  PHYS.ORG · 4 days
"Jumping genes"—bits of DNA that can move from one spot in the genome to another—are well-known for increasing genetic diversity over the long course of evolution. Now, new research at Washington University School of... more
Direct observation of glucose fingerprint using in vivo Raman spectroscopy  Science Magazine · 4 days
Noninvasive blood glucose monitoring has been a long-standing dream in diabetes management. The use of Raman spectroscopy, with its molecular specificity, has been investigated in this regard over... more
Large-scale synthesis of crystalline g-C3N4 nanosheets and high-temperature H2 sieving from assembled films  Science Magazine · 4 days
Poly(triazine imide) (PTI), a crystalline g-C3N4, hosting two-dimensional nanoporous structure with an electron density gap of 0.34 nm, is highly promising for... more
Can polarity-inverted membranes self-assemble on Titan?  Science Magazine · 4 days
The environmental and chemical limits of life are two of the most central questions in astrobiology. Our understanding of life’s boundaries has implications on the efficacy of biosignature identification in exoplanet atmospheres and in the solar... more
Shaping the social networks of neurons  PHYS.ORG · 4 days
The three proteins teneurin, latrophilin and FLRT hold together and bring neighboring neurons into close contact, enabling the formation of synapses and the exchange of information between the cells. In the early phase of brain development,... more
Principles for a green chemistry future  PHYS.ORG · 4 days
In the most recent issue of the academic journal Science, the case is made for a future where the materials and chemicals that make up the basis of our society and our economy are healthful rather... more
Mapping the cumulative health effects of environmental exposures  SCIENCE DAILY · 4 days
The genomics revolution has provided powerful insights into genetic risk factors for human disease while also revealing the limits of genetic determinants, which account for only a fraction of total disease risk.... more
Researchers observe fast and slow molecular pathways that support memory function  NEWS MEDICAL · 4 days
A sustained state of vigilance will generate a different type of memory than a momentary startle, and these differences are linked to distinct signaling molecules in... more
The paints that eat pollutants and heat homes  nanowerk · 4 days
Applying a coat of paint on the walls of a house may soon help to heat it, saving energy and reducing CO2 emissions. It could also clean the air that we breathe,... more
Scientists capture molecular maps of animal tissue with unprecedented detail  SCIENCE DAILY · 4 days
Scientists have refined a technique called mass spectrometry imaging (MSI) that translates reams of data into detailed visuals of the molecular makeup of biological samples. Their work features... more
Visualizing every step of on-surface cycloaddition reactions  PHYS.ORG · 4 days
By observing individual atoms as they rearrange themselves step by step, chemists at RIKEN have cast new light on the route by which halogenated aromatic molecules join together on a silver surface1. These insights... more
Scientists capture molecular maps of animal tissue with unprecedented detail  PHYS.ORG · 4 days
We've all heard, and seen, how a picture paints a thousand words. Now, in a scientific twist on that saying, researchers at the Florida State University-headquartered National High... more
Bayer stock climbs on report of Roundup settlement  PHYS.ORG · 4 days
Shares in German chemicals and pharmaceuticals giant Bayer climbed Friday on a report it was nearing a $10 billion settlement with US plaintiffs claiming weedkiller Roundup caused their cancer. more
New computer program can prevent accidents caused by unsafe mixing of certain chemicals  NEWS MEDICAL · 5 days
Improperly mixed chemicals cause a shocking number of fires, explosions, and injuries in laboratories, businesses, and homes each year. more
Can I mix those chemicals? There's an app for that!  PHYS.ORG · 5 days
Improperly mixed chemicals cause a shocking number of fires, explosions, and injuries in laboratories, businesses, and homes each year. more
Scientists discover small molecule that may slow or stop Parkinson's progression  NEWS MEDICAL · 5 days
A collaboration between scientists at Rutgers University and The Scripps Research Institute led to the discovery of a small molecule that may slow down or stop... more
A megalibrary of nanoparticles  nanowerk · 5 days
Using straightforward chemistry and a mix-and-match, modular strategy, researchers have developed a simple approach that could produce over 65,000 different types of complex nanoparticles, each containing up to six different materials and eight segments, with interfaces that could be exploited... more
Researchers identify novel cellular entry factor for AAV vector types  NEWS MEDICAL · 5 days
Researchers led by a team at Massachusetts Eye and Ear have identified a novel cellular entry factor for adeno-associated virus vector (AAV) types--the most commonly used viral vectors... more
New study to measure effects of environmental exposure on young women's breasts  NEWS MEDICAL · 5 days
A University of Massachusetts Amherst cancer epidemiologist has received a $462,000 grant from the National Institutes of Health to expand her research into the... more
Mechanism for how common gene therapy vectors enter cells  SCIENCE DAILY · 5 days
Researchers have identified a novel cellular entry factor for adeno-associated virus vector (AAV) types -- the most commonly used viral vectors for in vivo gene therapy. The researchers identified that... more
To replace controversial plastic additive BPA, a chemical company teams up with unlikely allies  Science Magazine · 5 days
To test its new compound, Sherwin-Williams sought help from scientists and environmental groups critical of bisphenol A more
Lineage tracing on transcriptional landscapes links state to fate during differentiation  Science Magazine · 5 days
A challenge in biology is to associate molecular differences among progenitor cells with their capacity to generate mature cell types. Here, we use expressed DNA barcodes... more
A two-way molecular dialogue between embryo and endosperm is required for seed development  Science Magazine · 5 days
The plant embryonic cuticle is a hydrophobic barrier deposited de novo by the embryo during seed development. At germination, it protects the... more
Designing for a green chemistry future  Science Magazine · 5 days
The material basis of a sustainable society will depend on chemical products and processes that are designed following principles that make them conducive to life. Important inherent properties of molecules need to be considered from the... more
The exposome and health: Where chemistry meets biology  Science Magazine · 5 days
Despite extensive evidence showing that exposure to specific chemicals can lead to disease, current research approaches and regulatory policies fail to address the chemical complexity of our world. To safeguard current and... more
Tracking complex mixtures of chemicals in our changing environment  Science Magazine · 5 days
Chemicals have improved our quality of life, but the resulting environmental pollution has the potential to cause detrimental effects on humans and the environment. People and biota are chronically exposed... more
Learning from the past and considering the future of chemicals in the environment  Science Magazine · 5 days
Knowledge of the hazards and associated risks from chemicals discharged to the environment has grown considerably over the past 40 years. This... more
Visualizing H2O molecules reacting at TiO2 active sites with transmission electron microscopy  Science Magazine · 5 days
Imaging a reaction taking place at the molecular level could provide direct information for understanding the catalytic reaction mechanism. We used in situ environmental... more
Chemicals in the environment: A focus on mixtures  PHYS.ORG · 5 days
Chemicals have improved our quality of life. But at the same time, they pose a considerable risk for humans and the environment: pesticides, pharmaceuticals and plasticisers enter the environment and the food... more
A megalibrary of nanoparticles  PHYS.ORG · 5 days
Using straightforward chemistry and a mix-and-match, modular strategy, researchers have developed a simple approach that could produce over 65,000 different types of complex nanoparticles, each containing up to six different materials and eight segments, with interfaces that could be exploited... more
FerriIridium drug can simultaneously help diagnose, treat gastric cancer  NEWS MEDICAL · 5 days
A novel drug, named "FerriIridium", can simultaneously help diagnose and treat gastric cancer. The initially weakly active precursor (prodrug), based on an iridium-containing compound, is selectively activated only after reaching... more
Taking aim at gastric cancer: New approach to selective chemotherapy  PHYS.ORG · 5 days
A novel drug, named "FerriIridium," can simultaneously help diagnose and treat gastric cancer. The initially weakly active precursor (prodrug), based on an iridium-containing compound, is selectively activated only... more
Predicting the degradation behavior of advanced medical devices  SCIENCE DAILY · 5 days
Polymer materials play a vital role in today's medicine. While many applications demand for long-lasting devices, others benefit from materials that disintegrate once their job is done. The design of such materials... more
The secret of strong underwater mussel adhesion revealed  SCIENCE DAILY · 5 days
Scientists have identified a mechanism of adhesive proteins in a mussel that controls the surface adhesion and cohesion. They substantiated the synergy of molecules in adhesive proteins. Their new discovery is expected... more
New cages to trap molecules push boundaries of protein design  PHYS.ORG · 5 days
Protein design is a popular and rapidly growing field, with scientists engineering novel protein cages—capsule-like nanostructures for purposes such as gene therapy and targeted drug delivery. Many of... more
The Science Behind the Beer and Brewing Industry  NEWS MEDICAL · 5 days
Beer consists primarily of four ingredients; water, malted grain, hops, and yeast. Yet, the analysis of beer and the brewing process has changed dramatically over the last decade. In this interview, Christopher... more
How old are they? Some non-photosynthetic orchids consist of dead wood  PHYS.ORG · 5 days
Botanists have long held a fascination for heterotrophic plants, not only because they contradict the notion that autotrophy (photosynthesis) is synonymous with plants, but also because... more
A new approach to reveal the multiple structures of RNA  PHYS.ORG · 5 days
Experimental data and computer simulations have yielded an innovative technique to characterize the configurations of an RNA molecule. The work, published in Nucleic Acids Research, opens new roads... more
Artificial cells react to environmental changes  PHYS.ORG · 5 days
Cells are the basic unit of life. They provide an environment for the fundamental molecules of life to interact, for reactions to take place and sustain life. However, the biological cell is very complicated, making it... more
Drug combo reverses arthritis in rats  SCIENCE DAILY · 6 days
Researchers have discovered that a powerful combination of 2 experimental drugs reverses the cellular and molecular signs of osteoarthritis in rats as well as in isolated human cartilage cells. more
Scientists identify gene that puts brakes on tissue growth  SCIENCE DAILY · 6 days
The planarian flatworm is a simple animal with a mighty ability: it can regenerate itself from nearly every imaginable injury, including decapitation. Scientists have studied these worms for decades to... more
What's in Puget sound? New technique casts a wide net for concerning chemicals  SCIENCE DAILY · 6 days
Using a new 'non-targeted' approach, researchers screened samples from multiple regions of Puget Sound to look for potentially harmful compounds that might... more
Surprise discovery shakes up our understanding of gene expression  SCIENCE DAILY · 6 days
A group of scientists has uncovered a previously unknown way that our genes are made into reality. Rather than directions going one-way from DNA to RNA to proteins, the latest... more
What's in Puget sound? New technique casts a wide net for concerning chemicals  PHYS.ORG · 6 days
The waters of Puget Sound support many species, including mussels, salmon and killer whales. But researchers know that runoff from land in... more
Team develops an electrochemical method for extracting uranium, and potentially other metal ions, from solution  PHYS.ORG · 6 days
Fifty years ago, scientists hit upon what they thought could be the next rocket fuel. Carboranes—molecules composed of... more
Molecular biologists identify gene that puts brakes on tissue growth  NEWS MEDICAL · 6 days
The planarian flatworm is a simple animal with a mighty and highly unusual ability: it can regenerate itself from nearly every imaginable injury, including decapitation. These tiny worms... more
Electrochemical method for extracting uranium, and potentially other metal ions, from solution  SCIENCE DAILY · 6 days
Fifty years ago, scientists hit upon what they thought could be the next rocket fuel. Carboranes -- molecules composed of boron, carbon and hydrogen... more
Determining the atomic structure of natural products more rapidly and accurately  SCIENCE DAILY · 6 days
Many drugs are derived from natural products. But before natural products can be exploited, chemists must first determine their structure and stereochemistry. This can be a... more
Mixing the unmixable: Novel approach for efficiently fusing different polymers  SCIENCE DAILY · 6 days
Cross-linked polymers are structures where large molecular chains are linked together, allowing exceptional mechanical properties and chemical resistance to the final product. However, their modification is not easy.... more
Single-cell morphology encodes metastatic potential  Science Magazine · 6 days
A central goal of precision medicine is to predict disease outcomes and design treatments based on multidimensional information from afflicted cells and tissues. Cell morphology is an emergent readout of the molecular underpinnings of a cell’s functions and,... more
Molecular identification of fungi microfossils in a Neoproterozoic shale rock  Science Magazine · 6 days
Precambrian fossils of fungi are sparse, and the knowledge of their early evolution and the role they played in the colonization of land surface are limited. Here, we... more
Different motilities of microtubules driven by kinesin-1 and kinesin-14 motors patterned on nanopillars  Science Magazine · 6 days
Kinesin is a motor protein that plays important roles in a variety of cellular functions. In vivo, multiple kinesin molecules are bound... more
Novel CD11b+Gr-1+Sca-1+ myeloid cells drive mortality in bacterial infection  Science Magazine · 6 days
Extreme pathophysiological stressors induce expansion of otherwise infrequent leukocyte populations. Here, we found a previously unidentified CD11b+Gr-1+ myeloid cell population that expresses stem cell antigen-1 (Sca-1) induced upon experimental infection... more
Isothermal digital detection of microRNAs using background-free molecular circuit  Science Magazine · 6 days
MicroRNAs, a class of transcripts involved in the regulation of gene expression, are emerging as promising disease-specific biomarkers accessible from tissues or bodily fluids. However, their accurate quantification from biological... more
Dense hydroxyl polyethylene glycol dendrimer targets activated glia in multiple CNS disorders  Science Magazine · 6 days
Poor transport of neuropharmaceutics through central nervous system (CNS) barriers limits the development of effective treatments for CNS disorders. We present the facile synthesis... more
[Research Articles] PI4KIII{beta} is a therapeutic target in chromosome 1q-amplified lung adenocarcinoma  Science Magazine · 6 days
Heightened secretion of protumorigenic effector proteins is a feature of malignant cells. Yet, the molecular underpinnings and therapeutic implications of this feature remain unclear.... more
A new 'molecular nano-patterning' technique reveals that some molecular motors coordinate differently  PHYS.ORG · 6 days
Body movement, from the muscles in your arms to the neurons transporting those signals to your brain, relies on a massive collection of proteins... more
Study sheds light on consequences of widespread practice of ringing the cancer bell  NEWS MEDICAL · 6 days
It's a scene that some cancer patients dream about: they celebrate the end of a course of radiation or chemotherapy by ringing... more
Residues in fingerprints hold clues to their age  PHYS.ORG · 6 days
Police have long relied on the unique whorls, loops or arches encoded in fingerprints to identify suspects. However, they have no way to tell how long ago those prints were left behind—information... more
Mosquitoes are drawn to flowers as much as people -- and now scientists know why  SCIENCE DAILY · 6 days
Despite their reputation as blood-suckers, mosquitoes actually spent most of their time drinking nectar from flowers. Scientists have... more
Inner complexity of Saturn moon, Enceladus, revealed  SCIENCE DAILY · 6 days
A team developed a new geochemical model that reveals that carbon dioxide (CO2) from within Enceladus, an ocean-harboring moon of Saturn, may be controlled by chemical reactions at its seafloor. Studying the plume of... more
Buckyballs can pave the way for molecular electronics  SCIENCE DAILY · 6 days
Organic self-assembled monolayers (SAMs) have been around for over forty years. The most widely used form is based on thiols, bound to a metal surface. However, exposure of these monolayers to air... more
New models reveal inner complexity of Saturn moon  PHYS.ORG · 6 days
A Southwest Research Institute team developed a new geochemical model that reveals that carbon dioxide (CO2) from within Enceladus, an ocean-harboring moon of Saturn, may be controlled by chemical reactions at its... more
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