Chemistry
Improved drug delivery method is aimed at making chemotherapy easier to help treat people with various tumors.
Purdue University researchers have developed a technology aimed at making it easier to deliver cancer treatment to the right "address" in the...
VIDEO The chemical process of tanning turns animal hides into durable, supple leather.
ChemistryBiology more... PHYS.ORG 3 hours
What in the smart nanomaterials world is widely available, highly symmetrical and inexpensive? Hollow carbon structures, shaped like a football, called fullerenes. Their applications range from artificial photosynthesis and nonlinear optics to the production of photoactive films and nanostructures. To...
Chemical substances and nanomaterials are processed on a massive scale in diverse products, while their risks have not been properly assessed. Time and again synthesised substances have been...
The Peptides and Proteins lab at the Institute for Research in Biomedicine (IRB Barcelona) has published a paper in Chemical Communications describing the use of a peptide derived from chlorotoxin, found in...
When I introduce myself as a Ph.D. student in chemistry, I can often spot fear and incomprehension in people's eyes: chemists are often pictured as crazy scientists, like Dr. Maru...
Chemistry more... PHYS.ORG 4 hours
A team of researchers led by Professor Thomas Nann from Victoria University of Wellington has created a new electrolyte that could be the key to making safer and more environmentally friendly batteries.
In collaboration with fellow researchers, chemists at the Technical University of Munich (TUM) have developed a process that, according to initial calculations, can facilitate...
Scientists discovered 'impossible' modifications of silica coesite-IV and coesite-V - i.e., materials that are not supposed to exist.
Chemistry more... nanowerk 6 hours
Researchers in the Department of Physiology & Biophysics at the University of California, Irvine School of Medicine have discovered the molecular basis for therapeutic...
A team of researchers at the University of Cincinnati College of Medicine have been awarded $3.4 million by the National Institutes of Health to...
Draft report by the Environmental Protection Agency says long-term exposure to a chemical compound currently used for making nonstick coatings appears to be dangerous, even in minute amounts
more... ABC NEWS 19 hours
The Environmental Protection Agency says long-term exposure to a chemical compound used in nonstick coatings appears to be dangerous even in minute amounts
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Researchers in the Department of Physiology & Biophysics at the University of California, Irvine School of Medicine have discovered the molecular basis for therapeutic actions of an African folk medicine...
DiabetesPain more... PHYS.ORG 22 hours
A third of the global population relies heavily upon traditional or folk medicines, such as the...
Space StationsEarth's Orbit more... Science Magazine 23 hours
Oral administration of therapeutic peptides is hindered by poor absorption across the gastrointestinal barrier and extensive degradation by proteolytic enzymes. Here, we investigated the...
TabletsAnimalsDogs more... Science Magazine 24 hours
Many life-saving medicines, including insulin, antibodies and vaccines, are derived from living cells. These "biologics" can be difficult to obtain and store on the battlefield or in remote areas. That's why scientists are trying to develop portable systems that can...
With Halloween over, ghostly decorations are now being replaced by Christmas themed ornaments, many of which glow in the dark. This glow, termed luminescence, is produced by chemical and biochemical reactions or...
Halloween more... PHYS.ORG 1 day
You probably learned this basic lesson of biology in elementary school: Plants are self-feeders. These so-called autotrophs use the sun's energy and water to turn carbon dioxide from the air...
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Biodiversity goes beyond species diversity. Another important aspect of biodiversity is genetic variation within species. A notable example is the immense variety of cultivars and landraces of crop plants and their wild...
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VIDEO Violent and destructive, active volcanoes ought to be feared and avoided. Yet, these geological cauldrons expose the pulse...
Neuronal development is often regulated by the graded distribution of guidance molecules, which can either attract or repel the neuronal migration or neurite projection when presented in a format of concentration gradients, or chemotaxis....
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Scientists have discovered that by combining copper with organic molecules, they can create metal complexes that exhibit photoluminescence. What?s more, by varying the sizes of those organic molecules, they can control the...
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Neuronal development is often regulated by the graded distribution of guidance molecules, which can either attract or repel the neuronal migration or neurite projection when presented in a format of concentration gradients,...
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To understand cardiovascular failures, the leading cause of birth defect-related deaths in infants, UH professor of biomedical engineering Kirill Larin is teaming up with Baylor College of Medicine...
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Oil is still the most economically attractive resource for fuels and basic chemicals that can be used to manufacture everyday products such as plastic bottles and detergent. New biotechnological processes aim to simplify the use of renewable biomass as an...
AnimalsEvolutionFossil Fuels more... SCIENCE DAILY 2 days
One important aspect of biodiversity is genetic variation within species. A notable example is the variety of cultivars of crop plants. Scientists have now characterized at the molecular level a world collection...
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Scientists paired drug-delivering nanoparticles like dance partners to reveal that molecules attach to targets on cells differently based upon their position in time. The discovery could improve methods...
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Scientists developed a technology for trapping and chemical analysis of organic and non-organic molecules at ultra low concentrations.
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Experts from the International Atomic Energy Agency urged the operator of Japan's tsunami-wrecked Fukushima nuclear plant on Tuesday to urgently decide on a plan to dispose of massive amounts of...
Oil is still the most economically attractive resource for fuels and basic chemicals that can be used to manufacture everyday products such as plastic bottles and detergent. New biotechnological processes aim to simplify the use of renewable biomass as an...
An international group of physicists from Far Eastern Federal University (FEFU), the Russian Academy of Sciences and Swinburne University of Technology (Australia) has developed...
more... PHYS.ORG 2 days
Researchers have developed a synthetic molecule that can recognize and bind to double-stranded DNA or RNA under normal physiological conditions. The molecule could provide a new platform for developing methods for the diagnosis and treatment of genetic conditions.
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An international team of experimental physicists has for the first time determined the structure of ι-N2, a crystallized...
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German chemicals and pharmaceuticals giant Bayer confirmed its full-year forecasts Tuesday, after a solid performance in the firm's first full quarter of integrating US seeds and pesticides maker Monsanto.
AnimalsTech Business more... PHYS.ORG 2 days
Carnegie Mellon University researchers have developed a synthetic molecule that can recognize and bind to double-stranded DNA or RNA under normal physiological conditions. The molecule could provide a new platform...
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A study of 23 flowers used in cooking shows a lack of chemical and toxicological data, which makes it impossible to set a limit for safe...
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A new method for learning the structures of small molecules, such as hormones, is 'like science fiction.'
Movies more... SCIENCE DAILY 3 days
The protein klotho has been shown to promote longevity and counteract aging-related impairments. Having more klotho seems to allow for longer and healthier lives, whereas a depletion of this molecule...
Aging more... NEWS MEDICAL 3 days
Team uncovers a new and simple way to learn the structures of small molecules.
more... nanowerk 3 days
Plants are boring. They just sit there photosynthesizing while animals have all the fun. Right? Not so much. Take a look at the interactions between ants and plants—plants have evolved features specifically...
AnimalsEvolution more... PHYS.ORG 3 days
A new fabrication process for transparent ultra-thin silver films has been developed. The material may help build highly efficient solar cells and light-emitting diodes. However, traditional chemical methods have not been able to produce...
Universe more... SCIENCE DAILY 3 days
Experimenting with lab-grown brain cancer cells, Johns Hopkins Medicine researchers have added to evidence that a shortage of specific tiny molecules that silence certain genes is...
more... NEWS MEDICAL 3 days
Researchers have developed a synthetic molecule that can recognize and bind to double-stranded DNA or RNA under normal physiological conditions. The molecule could provide a new platform for developing methods for the diagnosis and treatment of genetic conditions.
more... nanowerk 3 days
Altering levels of a molecule that T cells need to grow could help the body fight cancer and lead to...
more... MNT 3 days
Scientists developed a technology for trapping and chemical analysis of organic and non-organic molecules at ultra low concentrations.
more... nanowerk 3 days
The structure of cross-linked polymeric gels is very similar to soft tissue—which is one reason that understanding this material is so critical, according to Kelly Schultz,...
more... PHYS.ORG 3 days
Carnegie Mellon University researchers have developed a synthetic molecule that can recognize and bind to double-stranded DNA or RNA under normal physiological conditions. The molecule could provide a new platform for developing methods for the diagnosis and treatment...
more... PHYS.ORG 3 days
Experimenting with lab-grown brain cancer cells, researchers have added to evidence that a shortage of specific tiny molecules that silence certain genes is linked to the...
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Cold plasma experiments reveal the chemical processes that precede the flytrap’s snapping
Thunder & Lightning more... Science Magazine 3 days
Immunotherapy drugs target molecule that speeds cancer growth in overweight people
Obesity more... Science Magazine 3 days
Abundant in the atmosphere, nitrogen is rarely used in the industrial production of chemicals. The most important process using nitrogen is the synthesis of ammonia used for the preparation of agricultural fertilizers.
Atmosphere more... PHYS.ORG 3 days
Under the leadership of Petr Cígler from the Institute of Organic Chemistry and Biochemistry (IOCB Prague) and Martin Hrubý from the Institute of Macromolecular...
Nuclear Energy more... PHYS.ORG 3 days
The cellular and molecular mechanisms of magnetic stimulation-based bone regeneration require further understanding at present. To evaluate the phenomenon in the lab, a three-dimensional (3-D) native...
more... PHYS.ORG 3 days
A new fabrication process for transparent ultra-thin silver films has been developed by researchers at Ruhr-Universität Bochum and the University of Wuppertal. The material may help build highly efficient solar cells and light-emitting diodes....
Universe more... PHYS.ORG 3 days
Several billion years ago, as the recently formed planet Earth cooled down from a long and brutal period of heavy meteor bombardment, pools of primordial muck began to swirl with...
Hongyacha, a new type of wild tea plant from the mountains of southern China, contains little or no caffeine, according to a...
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Exploring the mystery of molecular handedness in nature, scientists have proposed a new experimental scheme to create custom-made mirror molecules for analysis. The technique can make ordinary molecules spin so fast that they lose...
Inventions more... PHYS.ORG 3 days
Molecules to the MAX!, an animated adventure aimed at exciting and educating kids about the world of atoms and molecules, is now available for streaming video from iTunes and Amazon.
Amazon more... nanowerk 3 days
Under the leadership of Petr Cígler from the Institute of Organic Chemistry and Biochemistry and Martin Hrubý from the Institute of Macromolecular Chemistry, both of which...
more... NEWS MEDICAL 3 days
Could our blood hold the molecular secrets to a fountain of youth, preventing age-related brain disorders? Are brain aging and Alzheimer's disease caused by a failure of interconnected systems in our bodies,...
AlzheimersDementiaAging more... NEWS MEDICAL 4 days
Drinking a cup of tea or eating a handful of berries a day may help protect against heart disease, a new study suggests.
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Scientists report that Hsp70s from mammalian cells behave quite differently from bacterial Hsp70s. Because of the important roles Hsp70s play in protein misfolding diseases such as cancer and neurodegenerative diseases, the new findings 'will have a major impact...
AnimalsInfections more... SCIENCE DAILY 6 days
One day in the not-too-distant future, the gases coming from power plants and heavy industry, rather than spewing into the atmosphere, could be captured and chemically transformed from greenhouse gases like carbon dioxide into industrial fuels...
Researchers have made important insights into the link between genetic diversity and the intricate changes in peptides bound to human leukocyte antigen molecules -- which help the immune...
Infections more... SCIENCE DAILY 6 days
Small molecules -- from naturally occurring metabolites and hormones to synthetic medicines and pesticides -- can have big effects on living things. But for scientists to understand how the molecules work and how to design beneficial ones, they...
AnimalsThe Future more... SCIENCE DAILY 6 days
Researchers revealed that two molecules, PTEN and PIP3, mutually inhibit each other to ensure their exclusive distribution at opposite ends of motile cells. This polarized distribution results in the establishment of pseudopodia only at...
Animals more... SCIENCE DAILY 6 days
A new study shows that embryonic cells retain a memory of the chemical signals to which they are exposed. Without these memories, cells fail organize into distinct tissue types.
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Researchers establish that a cellular pathway that protects the brain against damage is disrupted in Parkinson's disease. Two enzymes play key roles.
more... MNT 6 days
Researchers establish that a cellular pathway that protects the brain against damage is disrupted in Parkinson's disease. Two enzymes play key roles.
more... MNT 6 days
For decades, molecular biologists studying a class of molecular chaperones known as heat shock proteins (Hsp70s) have relied on the Hsp70s found in bacteria as the model system. Now one of the world's experts...
Innovative experimental scheme can create tailor-made mirror molecules.
Inventions more... nanowerk 6 days
Researchers investigate micropumps as a window into self-propelled micromotors and beyond. Their findings are important not only to harnessing the full potential of micro- and nanomotor technologies, but also to...
more... nanowerk 6 days
In a process known as directed evolution, scientists reengineer biomolecules to find ones that perform beneficial new functions. The field is revolutionizing drug development, chemical engineering and other applications, but...
Evolution more... NEWS MEDICAL 6 days
In their catalytic center, hydrogenases manufacture molecular hydrogen (H2) from two protons and two electrons. They extract the protons required for this process from the surrounding water and transfer them – via a transport chain – into their...
more... PHYS.ORG 6 days
In a process known as directed evolution, scientists reengineer biomolecules to find ones that perform beneficial new functions. The field is revolutionizing drug development, chemical engineering and other applications, but to realize...
Evolution more... PHYS.ORG 6 days
Burnt toast and dinosaur bones have a common trait, according to a new study. They both contain chemicals that, under the right conditions, transform original proteins into something new. It's a process...
Evolution more... SCIENCE DAILY 6 days
galaxy scale fountain seen in full glory
A billion light-years from Earth lies one of the universe's most massive structures, a giant elliptical galaxy surrounded by a sprawling cluster of other...
A purple-pigmented molecule could have been the first to turn sunlight into metabolic energy.
more... SPACE.COM 6 days
VIDEO The simple transport of drugs directly into cells is one of the primary goals of the pharmaceutical industry. In large part, researchers still don't possess a...
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Crystalline perovskite cells are the key to cutting-edge thin-film solar cells. Although they already achieve very high levels of efficiency in the laboratory, commercial applications are hampered by the fact that the...
Universe more... PHYS.ORG 6 days
Miniature devices for sensing biological molecules could be developed quicker thanks to a rapid prototyping method.
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An unusually complex form of one of the most abundant chemical elements on Earth has been revealed in the lab for the first time.
more... nanowerk 6 days
Burnt toast and dinosaur bones have a common trait, according to a new, Yale-led study. They both contain chemicals that, under the right conditions, transform original proteins into something new. It's a...
Evolution more... PHYS.ORG 6 days
An unusually complex form of one of the most abundant chemical elements on Earth has been revealed in the lab for the first time.
more... PHYS.ORG 6 days
A major factor holding back development of wearable biosensors for health monitoring is the lack of a lightweight, long-lasting power supply. Now scientists at the University of Massachusetts...
more... PHYS.ORG 6 days
We all start out as a clump of identical cells. As these cells divide and multiply, they gradually take on distinct identities, acquiring the traits necessary...
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Small molecules -- from naturally occurring metabolites and hormones to synthetic medicines and pesticides -- can have big effects on living things. But for scientists to understand how...
Animals more... NEWS MEDICAL 7 days
Biomolecules such as hemoglobin or chlorophyll are difficult to study. It is worth investigating similar but simpler structures in the lab. Unexpected behavior has now been found in phthalocyanines, whose molecular ring structure closely...
more... SCIENCE DAILY 7 days
cosmic collisions sofia unravels the mysterious formation of star clusters
The sun, like all stars, was born in a giant cold cloud of molecular gas and...
Despite the enormous potential for the use of stereospecific cross-coupling reactions to rationally manipulate the three-dimensional structure of organic molecules, the factors that control the transfer of stereochemistry in these...
more... Science Magazine 7 days
Primary aluminum–air batteries boast high theoretical energy densities, but negative electrode corrosion irreversibly limits their shelf life. Most corrosion mitigation methods are insufficient or compromise power and energy density. We...
Fossil Fuels more... Science Magazine 7 days
Small chemical changes in the DNA building blocks, which may be influenceable by lifestyle factors, can reduce the amount of IGFBP2. A DIfE / DZD research...
Diabetes more... NEWS MEDICAL 7 days
Human leukocyte antigen molecules are a group of proteins that help the immune system identify foreign invaders such as viruses and bacteria and which impact a...
Infections more... NEWS MEDICAL 1 week
Imagine a day when—rather than being spewed into the atmosphere—the gases coming from power plants and heavy industry are instead captured and fed into catalytic reactors...
Small chemical changes in the DNA building blocks, which may be influenceable by lifestyle factors, can reduce the amount of IGFBP2. Researchers now report that these...
Diabetes more... SCIENCE DAILY 1 week
The effectiveness of nanopore biosensors capable of identifying sugar chains from biological molecules involved in key biological processes also depends...
more... SCIENCE DAILY 1 week
For scientists to understand how therapeutic molecules work and how to design beneficial ones, they need to know the precise arrangement of atoms and chemical bonds. Now researchers have found a faster, simpler and potentially more reliable way...
The Future more... nanowerk 1 week
Tea drinkers who seek the popular beverage's soothing flavor without its explosive caffeine jolt could soon have a new, naturally low-caffeine option. In a study appearing in ACS' Journal of Agricultural and Food Chemistry,...
more... PHYS.ORG 1 week
Video: How is leather made?
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How Earth volcanoes offer a window into the evolution of life and the solar system
PHYS.ORG
How do peptides penetrate cells? Two sides of the same coin
PHYS.ORG
Aluminium oxide found in an ultra-hot Jupiter
PHYS.ORG
Nanorobots propel through the eye
PHYS.ORG
Video: How to catch fruit flies
PHYS.ORG