Chemistry
A polyaromatic receptor with high androgen affinity  Science Magazine · 2 days
Biological receptors distinguish and bind steroid sex hormones, e.g., androgen-, progestogen-, and estrogen-type hormones, with high selectivity. To date, artificial molecular receptors have been unable to discriminate between these classes of biosubstrates. Here, we... more
Discovery may help explain why women get autoimmune diseases far more often than men  SCIENCE DAILY · 2 days
New evidence points to a key role for a molecular switch called VGLL3 in autoimmune diseases, and the major gap... more
Fuel cells in bacteria  PHYS.ORG · 3 days
The exchange of nitrogen between the atmosphere and organic matter is crucial for life on Earth because nitrogen is a major component of essential molecules such as proteins and DNA. One major route for this exchange, discovered only in the... more
From nata de coco to computer screens: Cellulose gets a chance to shine  PHYS.ORG · 3 days
A team at the Institute of Scientific and Industrial Research at Osaka University has determined the optical parameters of cellulose molecules with... more
Helium Hydride Ion Spotted in Space for First Time  SCI-NEWS.COM · 3 days
When the Universe was still very young, only a few kinds of atoms existed. Astrophysicists believe that around... more
Chemists take a closer look at the spot where water meets air  PHYS.ORG · 3 days
Water, despite its central place in so many processes vital to life on Earth, remains a chemical mystery in many respects. One of those... more
Counting antigens with gold nanoparticles  nanowerk · 3 days
Researchers propose a gold nanoparticle (GNP) probe-assisted sandwich-counting strategy in vitro that relies on a GNP probe, an antibody-functionalized chip to 'count' antigen molecules using a scanning electron microscope. more
Medical News Today: Vitamin D may help fight colorectal cancer  MNT · 3 days
A recent study concludes that when a person takes vitamin D alongside standard chemotherapy, it might reduce the growth rate of colorectal cancer. more
Next frontier in study of gut bacteria: mining microbial molecules  PHYS.ORG · 3 days
The human gut harbors trillions of invisible microbial inhabitants, referred to as the microbiota, that collectively produce thousands of unique small molecules. The sources and biological functions of... more
Molecular target UNC45A is essential for cancer cell proliferation and tumor growth  NEWS MEDICAL · 3 days
Identifying a protein that plays a key role in cancer cell growth is a first step toward the development of a targeted cancer therapy.... more
Molecular target UNC45A is essential for cancer but not normal cell proliferation  PHYS.ORG · 3 days
Identifying a protein that plays a key role in cancer cell growth is a first step toward the development of a targeted cancer therapy.... more
Triple negative breast cancer develop resistance to chemotherapy by turning on molecular pathway  NEWS MEDICAL · 3 days
Researchers at The University of Texas MD Anderson Cancer Center have discovered that triple negative breast cancer cells can develop resistance to... more
New discovery transforms conventional microfluidics into open-space microfluidics  NEWS MEDICAL · 3 days
Microfluidics refers to the manipulation of fluids in microscale devices. Commonly called "labs on a chip," microfluidic systems are used to study and analyze very small-scale chemical or biological samples, replacing the... more
New automated biological-sample analysis systems to accelerate disease detection  SCIENCE DAILY · 3 days
Microfluidics refers to the manipulation of fluids in microscale devices. Commonly called "labs on a chip," microfluidic systems are used to study and analyze very small-scale chemical or biological samples,... more
Cancer-causing chemical taints water after California blaze  ABC NEWS · 3 days
Officials say the drinking water in Paradise, California, is contaminated with the cancer-causing chemical benzene after a deadly wildfire last year more
Bioengineers program cells as digital signal processors  SCIENCE DAILY · 3 days
Synthetic biologists have added high-precision analog-to-digital signal processing to the genetic circuitry of living cells. The research dramatically expands the chemical, physical and environmental cues engineers can use to prompt programmed responses from engineered... more
Study shows promise in repairing damaged myelin  SCIENCE DAILY · 3 days
A new study shows that a synthetic molecule stimulates repair of the protective sheath that covers nerve cells in the brain and spinal cord. The study demonstrates in mice that a synthetic molecule called... more
Fish under threat release chemicals to warn others of danger  PHYS.ORG · 3 days
Fish warn each other about danger by releasing chemicals into the water as a signal, research by the University of Saskatchewan (USask) has found. more
Deconstructing waters diffuse OH stretching vibrational spectrum with cold clusters  Science Magazine · 3 days
The diffuse vibrational envelope displayed by water precludes direct observation of how different hydrogen-bond topologies dictate the spectral response of individual hydroxy group (OH) oscillators. Using cold, isotopically... more
Fish under threat release chemicals to warn others of danger  SCIENCE DAILY · 3 days
Fish warn each other about danger by releasing chemicals into the water as a signal, research has found. more
Bioengineers add cooperative molecules to their toolkit for programming signal processing  PHYS.ORG · 3 days
Elaborate molecular networks inside living cells enable them to sense and process many signals from the environment to perform desired cellular functions. Synthetic biologists have been... more
Astronomers Finally Spot Universe's First Molecule in Distant Nebula  SPACE.COM · 3 days
A flying observatory has pinpointed the first type of molecule that formed in the universe after the Big Bang. more
Flies smell through a Gore-Tex system  PHYS.ORG · 3 days
A research group led by a scientist of the RIKEN Center for Biosystems Dynamics Research (BDR) has gained important insights into the nanopores that allow the fruit fly to detect chemicals in the air, and has... more
Video: Is it really 'dry clean only'?  PHYS.ORG · 3 days
Knowing the do's and don'ts of washing your clothes can be difficult, but chemistry has got your back. more
Astronomers Take First, High-Resolution Look at Huge Star-Forming Region of Milky Way  ASTRO WATCH · 4 days
Astronomers from the United States and South Korea have made the first high-resolution, radio telescope observations of the molecular clouds within a massive star-forming... more
Research provides insights into molecular gas in the massive spiral galaxy NGC 5908  PHYS.ORG · 4 days
In a recently published research, which is part of a broader observational campaign focused on studying massive spiral galaxies, astronomers have investigated... more
Making a fast ion transporter  PHYS.ORG · 4 days
An international team of researchers at Institute for Molecular Science in Japan and Max Planck Institute of Biophysics in Germany has revealed an ion transport mechanism of sodium/proton antiporter by simulating its motion. Based on the simulations, they... more
New study shows people used natural dyes to color their clothing thousands of years ago  PHYS.ORG · 4 days
Even thousands of years ago, people wore clothing with colourful patterns made from plant and animal-based dyes. Chemists... more
New automated biological sample analysis systems to accelerate disease detection  PHYS.ORG · 4 days
Professor Thomas Gervais of Polytechnique Montréal and his students Pierre-Alexandre Goyette and Étienne Boulais, in partnership with the team led by Professor David Juncker of McGill University, have... more
Researchers develop new variant of Maxwell's demon at nanoscale  PHYS.ORG · 4 days
Maxwell's demon is a machine proposed by James Clerk Maxwell in 1897. The hypothetical machine would use thermal fluctuations to obtain energy, apparently violating the second principle of thermodynamics. Now,... more
First astrophysical detection of the first molecule that formed in the universe  nanowerk · 4 days
Operating the GREAT far-infrared spectrometer onboard the flying observatory SOFIA, an international research team reports the unambiguous detection of the helium hydride ion towards... more
Elusive molecule, first in Universe, detected in space  PHYS.ORG · 4 days
In the beginning, more than 13 billion years ago, the Universe was an undifferentiated soup of three simple, single-atom elements. more
Olanzapine: A potent agonist at the hM4D(Gi) DREADD amenable to clinical translation of chemogenetics  Science Magazine · 4 days
Designer receptors exclusively activated by designer drugs (DREADDs) derived from muscarinic receptors not only are a powerful tool to test... more
Secondary nucleation and elongation occur at different sites on Alzheimers amyloid-{beta} aggregates  Science Magazine · 4 days
The aggregates of the Aβ peptide associated with Alzheimer’s disease are able to both grow in size as well as generate, through secondary nucleation,... more
Critical role of spectrin in hearing development and deafness  Science Magazine · 4 days
Inner ear hair cells (HCs) detect sound through the deflection of mechanosensory stereocilia. Stereocilia are inserted into the cuticular plate of HCs by parallel actin rootlets, where they convert sound-induced... more
The Suv420h histone methyltransferases regulate PPAR-{gamma} and energy expenditure in response to environmental stimuli  Science Magazine · 4 days
Obesity and its associated metabolic abnormalities have become a global emergency with considerable morbidity and mortality. Epidemiologic and animal model... more
Science News » NIH BRAIN Initiative Tool May Transform How Scientists Study Brain Structure and Function  NIMH · 4 days
Researchers have developed a high-tech support system that can keep a large mammalian brain from rapidly... more
Astronomers have spotted the universe’s first molecule  Science Magazine · 4 days
Helium hydride detected by airborne Stratospheric Observatory for Infrared Astronomy telescope more
Universe’s First Molecule Detected in Space for the First Time Ever  LIVE SCIENCE · 4 days
Researchers just found evidence of the universe's very first molecule swirling around a dead star in a distant nebula. more
The first type of molecule to form in the universe has been seen in space  SCIENCE-NEWS · 4 days
The chemistry of the universe began with helium hydride. Scientists have just seen it in outer space for... more
Medical News Today: House dust microbes degrade cancer-causing chemical  MNT · 4 days
A new study finds that the microbes in our household dust can break down cancer-causing environmental chemicals. However, this benefit comes at a cost. more
New study shows people used natural dyes to color their clothing thousands of years ago  SCIENCE DAILY · 4 days
Even thousands of years ago people wore clothing with colorful patterns made from plant and animal-based dyes. Chemists... more
LADEE Detects Water Molecules from Meteoroid Strikes on Moon  SCI-NEWS.COM · 4 days
Using data from NASA’s Lunar Atmosphere and Dust Environment Explorer (LADEE), a team of researchers has discovered that... more
New deep-learning approach predicts protein structure from amino acid sequence  PHYS.ORG · 4 days
Nearly every fundamental biological process necessary for life is carried out by proteins. They create and maintain the shapes of cells and tissues; constitute the enzymes that catalyze... more
Improving quantum computers  PHYS.ORG · 5 days
For decades, experts have predicted that quantum computers will someday perform difficult tasks, such as simulating complex chemical systems, that can't be done by conventional computers. But so far, these machines haven't lived up to their potential because of error-prone... more
Biosensor 'bandage' collects and analyzes sweat  PHYS.ORG · 5 days
Like other biofluids, sweat contains a wealth of information about what's going on inside the body. However, collecting the fluid for analysis, usually by dripping or absorbing it from the skin's surface, can be time-consuming and... more
Boosting muscle stem cells to treat muscular dystrophy and aging muscles  SCIENCE DAILY · 5 days
Scientists have uncovered a molecular signaling pathway involving Stat3 and Fam3a proteins that regulates how muscle stem cells decide whether to self-renew or differentiate -- an... more
A comprehensive look at cow's milk  PHYS.ORG · 5 days
Milk is a staple of the human diet, full of key nutrients such as protein, carbohydrates, fats, and vitamins. Cow's milk in particular is one of the most-used dairy products globally, with over 800 million tons... more
Researchers develop the next generation of endoscopy technology  PHYS.ORG · 5 days
Biotechnologists, physicists, and medical researchers at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) have developed technology for microscopic imaging in living organisms. A miniaturised multi-photon microscope, which could be used in an endoscope in future, excites... more
Carriers deliver controllable cancer chemotherapy  PHYS.ORG · 5 days
Cancer kills more than half a million men, women, and children each year in the U.S, and chemotherapy is only slightly more discriminating than the disease it treats. As a result, many cancer treatments kill cells throughout the... more
Crystallizing knowledge with a learning machine  PHYS.ORG · 5 days
Transforming a new drug from a set of liquid ingredients in a lab to a pill in a box can be an exercise in complex chemistry. To better understand how drug ingredients crystallize, UConn researchers mined... more
Timing of food intake influences molecular clock in the liver of mice  NEWS MEDICAL · 5 days
The timing of food intake is a major factor driving the rhythmic expression of most genes in the mouse liver, researchers report April 16... more
Smart antioxidant-containing polymer responds to body chemistry, environment  nanowerk · 5 days
Engineers have developed and tested a new drug-delivery system that senses high oxidant levels and responds by administering just the right amount of antioxidant to restore this delicate balance. more
Researchers create new small molecules that may combat equine encephalitis viruses  NEWS MEDICAL · 5 days
Viruses without a preventative vaccine or treatment option pose a looming threat. But for viruses in this category that have already been weaponized and are recognized... more
Low-cost, high-speed algorithm may allow animal-free chemical toxicity testing  NEWS MEDICAL · 5 days
The use of animals to test the toxicity of chemicals may one day become outdated thanks to a low-cost, high-speed algorithm developed by researchers at Rutgers and other universities. more
New drug-delivery system senses high oxidant levels, responds to body chemistry and environment  NEWS MEDICAL · 5 days
Oxidants found within living organisms are byproducts of metabolism and are essential to wound-healing and immunity. more
New algorithm allows for faster, animal-free chemical toxicity testing  SCIENCE DAILY · 5 days
The use of animals to test the toxicity of chemicals may one day become outdated thanks to a low-cost, high-speed algorithm. more
New algorithm allows for faster, animal-free chemical toxicity testing  PHYS.ORG · 5 days
The use of animals to test the toxicity of chemicals may one day become outdated thanks to a low-cost, high-speed algorithm developed by researchers at Rutgers and other universities. more
Smart antioxidant-containing polymer responds to body chemistry, environment  SCIENCE DAILY · 5 days
Oxidants found within living organisms are byproducts of metabolism and are essential to wound-healing and immunity. However, when their concentrations become too high, inflammation and tissue damage can occur. Engineers have now... more
Smart antioxidant-containing polymer responds to body chemistry, environment  PHYS.ORG · 5 days
Oxidants found within living organisms are byproducts of metabolism and are essential to wound-healing and immunity. However, when their concentrations become too high, inflammation and tissue damage can occur. University of Illinois... more
Ensuring 100% Accuracy in Antibody Protein Sequencing  NEWS MEDICAL · 6 days
The purpose of antibody protein sequencing is to accurately deduce every single amino acid present in the primary sequence. This is an issue with isoleucine and leucine which have the same molecular weight. Rapid... more
Researchers explore energy-saving catalysts that operate at room temperature  PHYS.ORG · 6 days
NIST researchers have explored in unprecedented detail a new breed of catalysts that allow some chemical reactions, which normally require high heat, to proceed at room temperature. The energy-saving catalysts... more
At the limits of detectability  nanowerk · 6 days
New approach facilitates spectroscopy on individual molecules. more
Spatial orgnization of the genome can be altered using small molecules  NEWS MEDICAL · 6 days
Researchers have discovered that the spatial organization of the genome can be altered using small molecule compounds which are considered as promising anti-cancer drugs. more
New catalog of DNA mutation 'fingerprints' could help doctors pinpoint cancer culprits  NEWS MEDICAL · 6 days
Scientists in Cambridge and London have developed a catalog of DNA mutation 'fingerprints' that could help doctors pinpoint the environmental culprit responsible for a... more
New compound allows bacterial communication to be controlled by light  SCIENCE DAILY · 6 days
Scientists have succeeded in incorporating a light-controlled switch into a molecule used by bacteria for quorum sensing -- a process by which bacteria communicate and subsequently control different... more
High-speed 'electron camera' films molecular movie in HD  SCIENCE DAILY · 6 days
With an extremely fast 'electron camera,' researchers have made the first high-definition 'movie' of ring-shaped molecules breaking open in response to light. The results could further our understanding of similar reactions with... more
Astronomers take first, high-resolution look at huge star-forming region of Milky Way  SCIENCE DAILY · 6 days
A team of astronomers used a newly commissioned radio telescope in South Korea to make the first high-resolution observations of the molecular clouds within... more
Astronomers take first, high-resolution look at huge star-forming region of Milky Way  PHYS.ORG · 6 days
Astronomers from the United States and South Korea have made the first high-resolution, radio telescope observations of the molecular clouds within a massive star-forming... more
Scientists present a new approach to fight cancer  NEWS MEDICAL · 6 days
In recent years, it's become clear that RNA-binding proteins play a major role in cancer growth. These proteins, active in all cells but especially so in cancer cells, bind to RNA molecules... more
'Fingerprint database' could help scientists to identify new cancer culprits  SCIENCE DAILY · 6 days
Scientists have developed a catalogue of DNA mutation 'fingerprints' that could help doctors pinpoint the environmental culprit responsible for a patient's tumor - including showing some of the... more
SLAC's high-speed 'electron camera' films molecular movie in HD  PHYS.ORG · 6 days
With an extremely fast "electron camera" at the Department of Energy's SLAC National Accelerator Laboratory, researchers have made the first high-definition "movie" of ring-shaped molecules breaking open in response to... more
Compound allows bacterial communication to be controlled by light  PHYS.ORG · 6 days
Scientists from the University of Groningen have succeeded in incorporating a light-controlled switch into a molecule used by bacteria for quorum sensing—a process by which bacteria communicate and subsequently control... more
Novel approach promises ready access to hard-to-study proteins  PHYS.ORG · 6 days
DNA and the genome, we know, provide the blueprint for life. But it is the proteins made according to the genome's instructions that are the nuts and bolts of living organisms, providing... more
Cancers 'change spots' to avoid immunotherapy  SCIENCE DAILY · 7 days
Cancers can make themselves harder for new immunotherapies to see by 'changing their spots' -- and switching off a key molecule on the surface of cells that is otherwise recognised by treatment. more
Can we cure cancer by finding out how two proteins interact?  PHYS.ORG · 7 days
In a paper published in the Journal of Biological Chemistry, Dr. Özdemir has studied two protein families named Rho GTPases and IQGAPs, which are known to... more
Cancer cells use tactics to avoid being recognised by immunotherapy agents  NEWS MEDICAL · 7 days
Researchers have found that bowel cancer cells have a mechanism by which they can switch off some key molecules on their surfaces and thus escape being... more
Cancers avoid immunotherapies by 'changing their spots'  NEWS MEDICAL · 7 days
Cancers can make themselves harder for new immunotherapies to see by 'changing their spots' - and switching off a key molecule on the surface of cells that is otherwise recognized by treatment. more
Physicists Scramble to Understand the Extreme Crystals Hiding Inside Giant, Alien Planets  SPACE.COM · 1 week
Planetary scientists are calling on mineral physicists to help them figure out the strange chemistry going on inside super-Earths and mini-Neptunes. more
Tiny light-up barcodes identify molecules by their twinkling  PHYS.ORG · 1 week
An imaging technique developed at Duke University could make it possible to peer inside cells and watch dozens of different molecules in action at once—by labeling them with short strands of light-up... more
'Molecular scissors' for plastic waste  SCIENCE DAILY · 1 week
A research team has solved the molecular structure of the enzyme MHETase at BESSY II. MHETase was discovered in bacteria and together with a second enzyme -- PETase -- is able to break down the widely used plastic... more
Clear sight in the data fog with PAGA  SCIENCE DAILY · 1 week
Experimental molecular assays with single-cell resolution generate big and complex data. Researchers are now presenting their computer algorithm PAGA. They create data-driven, easily interpretable maps that reveal cellular processes and fates in... more
FDA approves new treatment for adults with metastatic bladder cancer  NEWS MEDICAL · 1 week
The U.S. Food and Drug Administration today granted accelerated approval to Balversa (erdafitinib), a treatment for adult patients with locally advanced or metastatic bladder cancer that has a... more
New method inverts the self-assembly of liquid crystals  PHYS.ORG · 1 week
In liquid crystals, molecules automatically arrange themselves in an ordered fashion. Researchers from the University of Luxembourg have discovered a method that allows an anti-ordered state, which will enable novel material properties... more
Calcium-looping reforming of methane realizes in situ CO2 utilization with improved energy efficiency  Science Magazine · 1 week
Closing the anthropogenic carbon cycle is one important strategy to combat climate change, and requires the chemistry to effectively combine CO2 capture... more
Fully soluble self-doped poly(3,4-ethylenedioxythiophene) with an electrical conductivity greater than 1000 S cm-1  Science Magazine · 1 week
Wet-processable and highly conductive polymers are promising candidates for key materials in organic electronics. Poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate) (PEDOT:PSS) is commercially available as a water... more
Heterogeneous ice nucleation correlates with bulk-like interfacial water  Science Magazine · 1 week
Establishing a direct correlation between interfacial water and heterogeneous ice nucleation (HIN) is essential for understanding the mechanism of ice nucleation. Here, we study the HIN efficiency on polyvinyl alcohol (PVA) surfaces... more
New method may transport medicine better through the body  SCIENCE DAILY · 1 week
One of the major challenges in fighting inflammation is to get the medicine transported properly through the body. Now, chemists propose a new method for drug delivery. more
Shutting down deadly pediatric brain cancer at its earliest moments  SCIENCE DAILY · 1 week
Cell-by-cell genetic analyses of developing brain tissues in neonatal mice and laboratory models of brain cancer allowed scientists to discover a molecular driver of the highly aggressive, deadly,... more
Loss of a DNA repair system creates a unique vulnerability in many cancer types  SCIENCE DAILY · 1 week
Cancer cells adapt to potentially fatal mutations and other molecular malfunctions by adjusting one or more other genes' activity, in... more
Video: Is it really 'dry clean only'?
PHYS.ORG
Researchers develop new platform that recreates cancer in a dish to quickly determine the best bacterial therapy
PHYS.ORG
Ensuring 100% Accuracy in Antibody Protein Sequencing
NEWS MEDICAL
Smart antioxidant-containing polymer responds to body chemistry, environment
PHYS.ORG
Video: The chemistry behind different tea flavors
PHYS.ORG
NASA's OCO-3 measures how plants grow—and glow
PHYS.ORG
Cold plasma can kill 99.9% of airborne viruses, study shows
PHYS.ORG
Video: The chemistry behind color-changing birds
PHYS.ORG
Microscopic swimmers with visual perception of group members form stable swarms
PHYS.ORG
Injecting flies with snail venom could help us discover molecules for developing new drugs
PHYS.ORG
Nanomaterials give plants 'super' abilities
PHYS.ORG
Zooming in on an inner-cell DNA repair shop
PHYS.ORG
Making lead pipes safe
PHYS.ORG
Methane promising route for storage of renewable energy from sun and wind
PHYS.ORG
Chemists design faster production process for essential sugars
PHYS.ORG
Expert discusses alternatives to pesticides
PHYS.ORG
Accelerating electrocatalyst discovery
PHYS.ORG
Implant to better track brain chemical gone rogue after neurotrauma
PHYS.ORG
The 'invisible catalyst' that can supercharge chemical reactions
PHYS.ORG
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