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A molecular sensor for in-situ analysis of complex biological fluids
SCIENCE DAILY A research group presented a molecular sensor with a microbead format for the rapid in-situ detection of harmful molecules in biological fluids or foods. As the sensor is... 4 minutes
Harmful pesticides lurking in New York State homes
SCIENCE DAILY Despite the existence of chemical-free methods to eradicate pests, Americans use more than a billion pounds of pesticides per year. These chemicals are mostly out of sight and out of mind to... 3 hours
Honey, I shrunk the cell culture
PHYS.ORG From "Fantastic Voyage" to "Despicable Me," shrink rays have been a science-fiction staple on screen. Now chemists at The University of Texas at Austin have developed a real shrink ray that can change the size and... 4 hours
Revealing the molecular mystery of human liver cells
SCIENCE DAILY A map of the cells in the human liver has been created, revealing for the first time differences between individual cells at the molecular level which can have a profound impact on... 5 hours
First immunotherapy success for triple-negative breast cancer
SCIENCE DAILY New research has shown that by using a combination of immunotherapy and chemotherapy the body's own immune system can be tuned to attack triple-negative breast cancer, extending survival. 5 hours
Do mussels reveal the fate of the oceans?
PHYS.ORG More than 10 million tons of plastic debris enter the oceans every year and are found in nearly every oceanic layer. They start out as large floating items and eventually break down... 7 hours
Smartphone app brings atoms and molecules to life like never before
PHYS.ORG A new smartphone app that enables people to see how atoms and molecules move in the world around them in unprecedented detail has been developed by... 7 hours
Tuneable emissive organic platform
PHYS.ORG NUS chemists have developed design guidelines for a type of material platform which can activate and adjust the light emission ability of organic molecules for lighting and display applications. 8 hours
A day to celebrate chemistry's favorite unit—the mole. But what's a mole?
PHYS.ORG On Oct. 23, between 6:02 a.m. and 6:02 p.m., chemists celebrate Mole Day. Mole Day is not a day to celebrate those furry little... 8 hours
Self-assembling silicone-based polymers
PHYS.ORG Scientists at Tokyo Institute of Technology, RIKEN and Tohoku University have developed a silicone polymer chain that can self-assemble into a 3-D periodic structure. They achieved this by using their recently reported self-assembling triptycene molecules to modify the ends of... 9 hours
Taking a close look at bacteria
PHYS.ORG Yong Wang, assistant professor of physics, and graduate student Asmaa Sadoon have been studying how molecules travel through bacterial cytoplasm in order to understand more about how these tiny organisms function. Using new high-tech tools, they... 9 hours
Researchers observe organic chemical reaction with electron microscope
PHYS.ORG Scientists from Zelinsky Institute of Organic Chemistry of Russian Academy of Sciences in Moscow imaged an organic chemical reaction with an electron microscope and recorded the transformation in real time. The team... 9 hours
Cheminformatics approaches to creating new hair dyes
PHYS.ORG Finding the next generation of safer hair dyes may be as simple as going to the library – in this case, NC State's Max Weaver Dye Library. The dye library, donated by the Eastman... 9 hours
New type of molecule shows early promise against treatment-resistant prostate cancer
NEWS MEDICAL A new type of molecule blocks the action of genes that drive the growth of therapy-resistant prostate cancer, a new study finds. 10 hours
Inexpensive chip-based device may transform spectrometry
PHYS.ORG Spectrometers—devices that distinguish different wavelengths of light and are used to determine the chemical composition of everything from laboratory materials to distant stars—are large devices with six-figure price tags, and tend to be found in large... 11 hours
Medical News Today: Immunotherapy successful against deadly breast cancer
MNT A new trial confirms that a combination of immunotherapy and chemotherapy boosts survival rates for people with triple-negative breast cancer. 12 hours
Advanced breast cancer patients can benefit from immunotherapy-chemotherapy combination
NEWS MEDICAL Patients with an aggressive form of advanced breast cancer can benefit from immunotherapy when used in combination with chemotherapy as first-line treatment, according to the results of a large international... 13 hours
Map of human liver cells reveals molecular make-up of individual cells
NEWS MEDICAL A map of the cells in the human liver has been created by University Health Network Transplant Program and University of Toronto researchers, revealing for the... 15 hours
Immunotherapy is better than chemotherapy as first-line treatment for advanced head and neck cancer
NEWS MEDICAL Immunotherapy on its own is better than aggressive chemotherapy as a first-line treatment for advanced head and neck cancer, according... 16 hours
Scientists use electron microscope to study chemical transformation in catalytic cross-coupling reaction
NEWS MEDICAL Scientists from Zelinsky Institute of Organic Chemistry of Russian Academy of Sciences in Moscow managed to look inside an organic chemical reaction with electron... 16 hours
SLU researcher seeks to find solutions for 'chemo brain' symptoms and side effects of opioids
NEWS MEDICAL With a pair of RO1 grants from the National Institutes of Health, pain researcher Daniela Salvemini, Ph.D., will... 16 hours
Cancer treatment may undergo a paradigm shift to immunotherapy soon
NEWS MEDICAL Immunotherapy when used for cancer treatment could extend life longer finds studies. Experts have explained that until now immunotherapy was reserved as a last resort for most patients... 17 hours
Research offers new hope to men who received childhood cancer treatment
NEWS MEDICAL Researchers have discovered a way to grow human stem cells destined to become mature sperm in an effort to provide fertility options later in life to... 18 hours
Plants engineered to always be on alert don’t grow well
SCIENCE-NEWS Scientists bred a type of weed to lack proteins that help stem the production of bitter chemicals used to ward off insect attacks. 1 day
New drug combination destroys chemo-resistant blood cancer
SCIENCE DAILY Researchers have developed a promising targeted strategy to treat chemotherapy-resistant acute myeloid leukemia (AML) and a diagnostic test to determine which AML patients would most likely benefit from this treatment. In a mouse model,... 1 day
Overspending on defense arsenal bankrupts a plant's economy
PHYS.ORG Defend or grow? Can plants do both at the same time? Michigan State University scientists might be inching closer to answering these questions. The answers matter. They could someday help us understand... 1 day
Researchers develop promising targeted strategy to treat chemo-resistant blood cancer
NEWS MEDICAL Researchers from The Ottawa Hospital and the University of Ottawa have developed a promising targeted strategy to treat chemotherapy-resistant acute myeloid leukemia and a diagnostic test to determine... 1 day
New protein sequencing technique could revolutionize biomedical research
NEWS MEDICAL Scientists have developed a new, low-throughput technique that allows individual proteins to be identified. It is called single molecule fluorosequencing. 1 day
New protein sequencing method could transform biological research
PHYS.ORG A team of researchers at The University of Texas at Austin has demonstrated a new way to sequence proteins that is much more sensitive than existing technology, identifying individual protein molecules rather... 1 day
Researchers wake-up DNA from soil bacteria to discover novel acid antibiotic
PHYS.ORG Scleric Acid has been discovered by capturing and engineering a DNA fragment from soil bacteria Streptomyces sclerotialus, and could help fight bacterial infections—by researchers at the... 1 day
How this researcher's risky idea could mean big things for regenerative medicine
PHYS.ORG Every cell in your body contains thousands of different proteins. These complicated molecules regulate chemical reactions, bind to invading bacteria or viruses, carry signals... 1 day
Secondary building units (SBUs)—the turning point in the development of metal-organic frameworks (MOFs)
PHYS.ORG There is an urgent need to control materials on the molecular level to make "materials on demand." A strategy to develop such... 1 day
HD 87240 is a chemically peculiar star with an overabundance of heavy elements, study suggests
PHYS.ORG European astronomers have conducted a chemical study of the star HD 87240, a member of the open cluster... 1 day
Heredity matters: Ancestral protease functions as protein import motor in chloroplasts
PHYS.ORG Over 1 billion years ago, a relationship began between the ancestor of all living plants and a type of bacterium that paved the way for the... 1 day
Genentech’s combination therapy improves outcome in patients with non-squamous non-small cell lung cancer
NEWS MEDICAL Genentech, a member of the Roche Group, today announced positive results from the Phase III IMpower130 study of Tecentriq (atezolizumab) plus chemotherapy... 2 days
Roche lands Tecentriq trial win, still trails Merck in lung cancer
REUTERS Roche's Tecentriq plus chemotherapy boosted lung cancer patients' survival by nearly five months, study... 2 days
Japanese Nobel chemistry laureate Shimomura dies at 90
PHYS.ORG Japanese-born Marine biologist Osamu Shimomura, who won the Nobel Prize in chemistry, has died. He was 90. 2 days
LYNPARZA Phase III SOLO-1 results show improved outcome for patients with advanced BRCA-mutated ovarian cancer
NEWS MEDICAL AstraZeneca and Merck & Co., Inc., Kenilworth, N.J., (Merck: known as MSD outside the US and Canada) today... 2 days
Multi-strain probiotic helps reduce chemotherapy-induced diarrhea in cancer patients
NEWS MEDICAL A high concentration of multi-strain probiotic helps to reduce mild to moderate episodes of chemotherapy-induced diarrhea in cancer patients, according to results of a phase II/III study in India. 2 days
With a microbe-produced toxin, bacteria prove old dogs can learn new tricks
SCIENCE DAILY In the ongoing chemical battles among bacteria and their microbial neighbors, a new toxin has been uncovered. This unfamiliar toxin behaves in a familiar... 3 days
Molecular memory can be used to increase the memory capacity of hard disks
SCIENCE DAILY Scientists have taken part in research where the first molecule capable of remembering the direction of a magnetic above liquid nitrogen temperatures... 3 days
Immunotherapy scores a first win against some breast cancers
ABC NEWS A newer immunotherapy drug for the first time has shown promise against breast cancer in a large study that combined it with chemotherapy to treat an aggressive form of the... 3 days
A new way to measure nearly nothing: Ultracold trapped atoms to measure pressure
PHYS.ORG Many semiconductor fabricators and research labs are under increasing pressure from, of all things, vacuum. These facilities need to remove greater amounts... 4 days
Expanding the optogenetics toolkit
SCIENCE DAILY A new molecular engineering technique has the potential to double the number of light-sensitive proteins available for studying brain circuits. 4 days
Making gene therapy delivery safer and more efficient
SCIENCE DAILY Viral vectors used to deliver gene therapies undergo spontaneous changes during manufacturing which affects their structure and function. As gene therapy approaches become more common for treating disease, managing consistency of the... 4 days
Atomic-level structure engineering of metal oxides for high-rate oxygen intercalation pseudocapacitance
Science Magazine Atomic-level structure engineering can substantially change the chemical and physical properties of materials. However, the effects of structure engineering on the capacitive properties of electrode materials... 4 days
Insight into how nanoparticles interact with biological systems
SCIENCE DAILY Personal electronic devices are a growing source of the world's electronic waste. Many of these products use nanomaterials, but little is known about how nanoparticles interact with the environment. Now chemists have... 4 days
Cell surface polysaccharides of Bifidobacterium bifidum induce the generation of Foxp3+ regulatory T cells
Science Magazine Dysregulation of intestinal microflora is linked to inflammatory disorders associated with compromised immunosuppressive functions of Foxp3+ T regulatory (Treg) cells.... 4 days
‘A new day for chemistry’: Molecular CT scan could dramatically speed drug discovery
Science Magazine Structure-mapping works with vanishingly small samples, is blazing fast, and is surprisingly easy 4 days
Medical News Today: Antibiotic resistance: Breakthrough study offers solution
MNT Mice treated with small molecules that stop bacteria forming toxins survived MRSA infection without the need for antibiotics, study found. 4 days
US air pollution deaths nearly halved between 1990 and 2010
PHYS.ORG Air pollution in the U.S. has decreased since about 1990, and a new study conducted at the University of North Carolina at Chapel Hill now shows that this... 4 days
Modified optical centrifuge has potential to open up new ways for the study of superrotors
PHYS.ORG Using corkscrew-shaped laser pulses, scientists at DESY have devised a sophisticated optical centrifuge that can make molecules rotate... 4 days
Scientists report technique to prolong lifespan of perovskite solar cells
PHYS.ORG A group of chemists at Kaunas University of Technology (KTU), Lithuania, together with the physicists from Vilnius University and the Swiss Federal Institute of Technology, Lausanne (EPFL), have... 4 days
Researchers study interactions in molecules using AI
PHYS.ORG Researchers from the University of Luxembourg, Technische Universität Berlin, and the Fritz Haber Institute of the Max Planck Society have combined machine learning and quantum mechanics to predict the dynamics and atomic interactions in... 4 days
Chemist obtains a nanocatalyst base from rice husk
PHYS.ORG A chemist from RUDN has developed a method to obtain high-porosity silicium dioxide, a base for nanocatalysts used in different types of organic reactions, from rice husks. The results of the study... 4 days
Chemists develop method to obtain catalyst-, surfactant- and template-free polymeric nanoparticles
PHYS.ORG A chemist from RUDN proposes a simple technology for producing polymeric nanoparticles from only two organic substances. By changing the temperature of the reaction and the... 4 days
Nanodiamonds as photocatalysts
PHYS.ORG Climate change is in full swing and will continue unabated as long as CO2 emissions continue. One possible solution is to return CO2 to the energy cycle: CO2 could be processed with water into methanol, a fuel that can be... 4 days
Scientists solve 3-D structure of cystic fibrosis protein in active, inactive states
PHYS.ORG Scientists at the UNC School of Medicine in collaboration with researchers at Oregon Health & Science University have resolved the three-dimensional molecular structure of... 4 days
How plants bind their green pigment chlorophyll
PHYS.ORG Chlorophyll is the pigment used by all plants for photosynthesis. There are two versions, chlorophyll a and chlorophyll b. These are structurally very similar to one another but have different colors, blue-green and yellowish... 4 days
Advanced sequencing technology provides new insights into human mitochondrial diseases
PHYS.ORG The ability to translate the genetic code into proteins is an essential step in all living organisms. A cornerstone of this molecular process is the ability of transfer... 4 days
CLARIOstar used for fluorescence measurements on CSIRO's purpose-built research vessel
NEWS MEDICAL Professor Peter Karuso, from the Department of Molecular Sciences at Macquarie University, recently set sail on the CSIRO's purpose-built research vessel, the RV Investigator, on a 31 day... 4 days
50 years ago, the safety of artificial sweeteners was fiercely debated
SCIENCE-NEWS Scientists are still learning more about the health effects of chemical sweeteners 4 days
Newly developed synthetic DNA molecule may one day be used as 'vaccine' for prostate cancer
NEWS MEDICAL Researchers from City of Hope, a world-renowned comprehensive cancer center and independent biomedical research institution, have developed a... 5 days
Next-generation RNA sequencing technology sheds new light on human mitochondrial diseases
NEWS MEDICAL The ability to translate the genetic code into proteins is an essential step in all living organisms. A cornerstone of this molecular process is the ability... 5 days
Gene sequencing reveals crucial molecular aspects of Trypanosoma brucei
NEWS MEDICAL Trypanosoma brucei, which causes sleeping sickness, evades the immune system by repeatedly altering the structure of its surface coat. Sequencing of its genome and studies of its 3D genome architecture... 5 days
EU leaders vow tough action on cyber attacks
PHYS.ORG EU leaders on Thursday condemned the attempted hack on the global chemical weapons watchdog and vowed to step up the bloc's efforts to tackle cyber attacks. 5 days
Supracellular contraction at the rear of neural crest cell groups drives collective chemotaxis
Science Magazine Collective cell chemotaxis, the directed migration of cell groups along gradients of soluble chemical cues, underlies various developmental and pathological processes. We... 5 days
Chiral Lewis acids integrated with single-walled carbon nanotubes for asymmetric catalysis in water
Science Magazine The development of highly reactive and stereoselective catalytic systems is required not only to improve existing synthetic methods but also to invent... 5 days
Aptamer-field-effect transistors overcome Debye length limitations for small-molecule sensing
Science Magazine Detection of analytes by means of field-effect transistors bearing ligand-specific receptors is fundamentally limited by the shielding created by the electrical double layer (the "Debye length" limitation). We detected small... 5 days
Chemists find a recipe that may have jump-started life on Earth
Science Magazine New sequence of reactions could have created all four RNA bases at once 5 days
Magnetic hysteresis up to 80 kelvin in a dysprosium metallocene single-molecule magnet
Science Magazine Single-molecule magnets (SMMs) containing only one metal center may represent the lower size limit for molecule-based magnetic information storage materials. Their current drawback is... 5 days
Scientists discover first high-temperature single-molecule magnet
PHYS.ORG A team of scientists led by Professor Richard Layfield at the University of Sussex has published breakthrough research in molecule-based magnetic information storage materials. 5 days
Electrons Are Perfectly Spherical, New Measurements Confirm
SCI-NEWS.COM Physicists from the Advanced Cold Molecule Electron Electric Dipole Moment (ACME) Collaboration have examined the shape of an electron’s charge with unprecedented... 5 days
What Caused This Man's Nail to Turn Brown and Striped?
LIVE SCIENCE Chemotherapy can have odd effects on a person's hair and nails, but in one man's case, the cancer treatment created a particularly striking pattern. 5 days
Video: How to catch fruit flies
PHYS.ORG VIDEO You can catch more flies with honey than with vinegar—or can you? In this video, Reactions explains the chemistry behind why fruit flies love vinegar so much that some entomologists call them "vinegar flies": 5 days
Infection biology: Staying a step ahead of the game
SCIENCE DAILY Trypanosoma brucei, which causes sleeping sickness, evades the immune system by repeatedly altering the structure of its surface coat. Sequencing of its genome and studies of its 3D genome architecture... 5 days
Mice need a clutch to smell
SCIENCE DAILY Researchers identify shootin 1b as a clutch molecule that couples force and adhesion for the migration of neurons to the mouse olfactory bulb. The study provides new insights on how internal forces are converted into external... 5 days
Nanocages in the lab and in the computer: how DNA-based dendrimers transport nanoparticles
PHYS.ORG How to create nanocages, i.e., robust and stable objects with regular voids and tunable properties? Short segments of DNA molecules are perfect... 5 days
Adding flavors to e-cigarette liquids changes chemistry, creates irritants
SCIENCE DAILY New research shows added flavorings in e-cigarettes or vaping devices react to e-liquid, or e-juice, creating new compounds that could trigger irritation and inflammation when inhaled. 5 days
Shining light on the separation of rare earth metals
PHYS.ORG Inside smartphones and computer displays are metals known as the rare earths. Mining and purifying these metals involves waste- and energy-intense processes. Better processes are needed. Previous work has shown... 5 days
Staying a step ahead of the game
PHYS.ORG Trypanosoma brucei, which causes sleeping sickness, evades the immune system by repeatedly altering the structure of its surface coat. Sequencing of its genome and studies of its 3-D genome architecture have now revealed crucial... 5 days
Placing atoms for optimum catalysts
PHYS.ORG Fuels, plastics, and other products are made using catalysts, materials that drive chemical reactions. To design a better catalyst, scientists must get the right atoms in the right spot. Positioning the atoms can be difficult, but new research... 5 days
A chemical criterion for rating movies
PHYS.ORG A measurable criterion now exists for determining the age rating of films. A group of scientists at the Max Planck Institute for Chemistry in Mainz has found that the concentration of isoprene in cinema air correlates... 5 days
Electrical enhancement: Engineers speed up electrons in semiconductors
PHYS.ORG Researchers from the Graduate School of Bio-Applications and Systems Engineering at Tokyo University of Agriculture and Technology (TUAT) have sped up the movement of electrons in organic semiconductor films by two to... 5 days
Targeting immune checkpoints in microglia could reduce out-of-control neuroinflammation
NEWS MEDICAL A group of Massachusetts General Hospital investigators is proposing that targeting immune checkpoints - molecules that regulate the activity of the immune system - in immune cells called microglia could... 6 days
Vast leukemia dataset could help researchers match therapies to patients
SCIENCE DAILY Data on the molecular makeup and drug sensitivity of hundreds of patient samples could accelerate progress against the aggressive blood cancer acute myeloid leukemia. 6 days
Scientists Find New Biomarker Evidence for Neoproterozoic Animals
SCI-NEWS.COM A team of scientists led by University of California, Riverside’s Professor Gordon Love has found the oldest evidence yet of... 6 days
When cancer strikes the young, infertility can result; now states act to help
ABC NEWS Treatment for cancer and other serious conditions involves toxic chemotherapy drugs, radiation and surgery that can cause infertility in women and men. 6 days
Study uncovers new link between neonicotinoid pesticide exposure and bumblebee decline
PHYS.ORG Adding to growing evidence that pesticide use may be contributing to the decline of many bumblebee species across North America, a new study reveals that daily... 6 days
Regulating microglial activity may reduce inflammation in neurodegenerative diseases
SCIENCE DAILY A group of investigators is proposing that targeting immune checkpoints -- molecules that regulate the activity of the immune system -- in immune cells called microglia could reduce the inflammatory... 6 days
Moss rapidly detects, tracks air pollutants in real time
PHYS.ORG Moss, one of the world's oldest plants, is surprisingly in tune with the atmosphere around it. Now in a study appearing in ACS' journal Analytical Chemistry, scientists report that they... 6 days
Grants awarded to Russian scientists for new research projects in natural sciences
NEWS MEDICAL The employees of the Institute of Natural Sciences and Mathematics Dmitry Zaitsev and Dmitry Tsvetkov and a specialist from the Institute of Chemical Engineering,... 6 days
Combined X-ray and fluorescence microscope reveals unseen molecular details
PHYS.ORG A research team from the University of Göttingen has commissioned a worldwide unique microscope combination at DESY's X-ray source PETRA III to gain novel insights into biological cells. The team... 6 days
Cellular stress defense
PHYS.ORG Small heat-shock proteins (sHSPs) are molecular chaperones that bind to unfolded proteins to prevent protein aggregation and defend against cellular stress. Mutations in human sHSPs are associated with inherited diseases including cataract and cardiomyopathy. 6 days
Sex or food? Decision-making in single-cell organisms
PHYS.ORG Unicellular diatoms are able to adapt their behavior to different external stimuli based on an evaluation of their own needs. This was discovered by scientists of the Friedrich Schiller University and the Max Planck... 6 days
Chemists test a new nanocatalyst for obtaining hydrogen
PHYS.ORG A chemist from RUDN was the first to use catalysts with ruthenium nanoparticles to obtain hydrogen under the influence of visible light and UV radiation. In the future, such catalysts may be... 6 days
Controlling organic semiconductor band gaps by electron-acceptor fluorination
PHYS.ORG Organic semiconductor materials have the potential to be used in innovative applications such as transparent and flexible devices, and their low cost makes them particularly attractive. The properties of organic semiconductor materials... 6 days
Tuning the electrocatalytic performance of bifunctional catalysts
PHYS.ORG In the search for highly active and inexpensive electrocatalysts, two reactions pose a particular challenge: the oxygen reduction reaction (ORR) and the oxygen evolution reaction (OER). Both are important for the development of better... 6 days
No sweat required: Hypertension treatment mimics effect of exercise
SCIENCE DAILY By studying a chemical produced predominately in the liver, hypertension researchers have found a novel approach to lower blood pressure, even without reducing sodium intake or increasing exercise. 6 days
Using Galleria mellonella to assess acute toxicity of chemicals
NEWS MEDICAL TruLarv is considered a non-animal technology in the context of UK animal use regulations where procedures on this species are not regulated. 6 days
Video: How to catch fruit flies
Artificial intelligence aids automatic monitoring of single molecules in cells
Harvesting solar fuels through a bacterium's unusual appetite for gold