Last update Drug resistant infections associated with higher in-hospital mortality rates in India, 1 hour ago
Cancer will become easier to detect and diagnose early using magnetic resonance imaging (MRI) thanks to A*STAR researchers who have engineered biocompatible iron oxide nanoparticle contrast agents¹.
The field of intelligent nanorobotics is based on the great promise of molecular devices with information processing capabilities. In a new study that supports the trend of DNA-based information carriers, scientists have ...
Purdue University researchers have developed a technology aimed at making it easier to deliver cancer treatment to the right "address" in the body while also easing the painful side effects of chemotherapy on patients.
Researchers at Tokyo Institute of Technology (Tokyo Tech) have constructed protein nanotubes from tiny scaffolds made by cross-linking of engineered protein crystals. The achievement could accelerate the development of artificial ...
A team of scientists from the Helmholtz-Zentrum Dresden-Rossendorf (HZDR), in collaboration with researchers from Monash University Australia, has succeeded in significantly increasing the stability and biocompatibility of ...
Indiana University researchers have discovered that drug-delivering nanoparticles attach to their targets differently based upon their position when they meet—like ballroom dancers who change their moves with the music.
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 collagen model was recently ...
Under the leadership of Petr Cígler from the Institute of Organic Chemistry and Biochemistry (IOCB Prague) and Martin Hrubý from the Institute of Macromolecular Chemistry (IMC), a team of researchers has developed a revolutionary ...
Purdue University researchers have developed a new flexible and translucent base for silicon nanoneedle patches to deliver exact doses of biomolecules directly into cells and expand observational opportunities.
A new anti-thrombosis drug based on magnetite nanoparticles developed at ITMO University has been successfully tested on animals. Preclinical studies showed the drug's high efficacy and lack of side effects. Clot dissolution ...
Because of their antimicrobial and antifungal properties, silver nanoparticles measuring between one and 100 nanometers (billionth of a meter) in size, are being incorporated outside the United States into a variety of kitchen ...
Each year, there are some 13.3 million new cases of acute kidney injury (AKI), a serious affliction. Formerly known as acute renal failure, the ailment produces a rapid buildup of nitrogenous wastes and decreases urine output, ...
Finding a fast and inexpensive way to detect specific strains of bacteria and viruses is critical to food safety, water quality, environmental protection and human health. However, current methods for detecting illness-causing ...
Researchers of the Micro, Nano and Molecular Systems Lab at the Max Planck Institute for Intelligent Systems in Stuttgart, together with an international team of scientists, have developed propeller-shaped nanorobots that, ...
Knots are indispensable tools for such human activities as sailing, fishing and rock climbing, (not to mention, tying shoes). But tying a knot in a lacelike strand of DNA, measuring just billionths of a meter in length, requires ...
Sanguinarine is a natural product, a chemical made by certain plants including the bloodroot plant (Sanguinaria canadensis), the Mexican prickly poppy (Argemone mexicana), Chelidonium majus, and Macleaya cordata. It is a ...
NIBIB funded researchers have developed laser-activated nanomaterials that integrate with wounded tissues to form seals that are superior to sutures for containing body fluids and preventing bacterial infection.
Implantable arrays of microchambers show potential capacity for holding and releasing precisely controlled quantities of drugs on command, report A*STAR researchers with colleagues in Singapore, Russia and the United Kingdom.
Researchers can design the perfect molecule to edit a gene, treat cancer or guide the development of a stem cell, but none of that will matter in the end if they can't get their molecules into the human cells they want to ...
Researchers have identified the weak molecular forces that hold together a tiny, self-assembling box with powerful possibilities. The study demonstrates a practical application of a force common in biological systems and ...
Nanosystems that deliver anticancer drugs or imaging materials to tumours are showing significant progress, particularly those that respond to tumour-related stimuli, according to a review published in the journal Science ...
If it's up to Ph.D. student Guangsheng Du, patients don't need to worry about big needles anymore. At the Leiden Academic Center for Drug Research (LACDR), he studied the use of microneedles and nanoparticles as a new vaccination ...
Delivering an effective therapeutic payload to specific target cells with few adverse effects is considered by many to be the holy grail of medical research. A new Tel Aviv University study explores a biological approach ...
Halloween is just around the corner, and some people will celebrate by watching scary movies about brain-eating zombies. But even more frightening are real-life parasites that feed on the human brain, and they can be harder ...
While stem cells have the most therapeutic potential, the benefits of regenerative medicine may best be mobilised using extracellular vesicles (EVs), also known in the past as "cellular dust." A team of researchers from CNRS, ...
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Researchers at McMaster University have solved a vexing problem by engineering surface coatings that can repel everything, such as bacteria, viruses and living cells, but can be modified to permit beneficial exceptions.
For a number of innovative and life-saving medical treatments, from organ replacements and skin grafts to cancer therapy and surgery, success often depends on slipping past or fending off the body's immune system. In a recent ...
How to create nanocages, i.e., robust and stable objects with regular voids and tunable properties? Short segments of DNA molecules are perfect candidates for the controllable design of novel complex structures. Physicists ...
There just aren't enough kidney transplants available for the millions of people with renal failure. Aside from a transplant, the only alternative for patients is to undergo regular dialysis sessions to clear harmful cellular ...
Antibody-based imaging of a particularly aggressive form of breast cancer is undergoing clinical trials worldwide, but the path from trial to application is being hampered by a major obstacle: safety.
For decades, scientists have been trying to develop a vaccine that prevents mosquitoes from spreading malaria among humans.
Researchers at the Complutense University of Madrid (UCM) have developed a hybrid nanoplatform that locates tumours using three different types of contrast simultaneously to facilitate multimodal molecular medical imaging: ...
The membranes that surround our cells contain a large number of proteins. Membrane proteins are therefore a crucial class of macromolecules in living systems. They play key roles, such as providing transport gateways into ...
Venomous snakebites affect 2.5 million people, and annually cause more than 100,000 deaths and leave 400,000 individuals with permanent physical and psychological trauma each year. Researchers reporting in PLOS Neglected ...
A fluorescent molecule whose luminosity depends upon how fast it can rotate is helping researchers measure how viscous the fluid is inside different parts of a cell.
A new screening process could dramatically accelerate the identification of nanoparticles suitable for delivering therapeutic RNA into living cells. The technique would allow researchers to screen hundreds of nanoparticles ...
Approximately 10-20 percent of diagnosed breast cancers are found to be triple-negative, meaning the breast cancer cells test negative for estrogen and progesterone receptors as well as HER2 receptors, genes that can play ...
Stanford researchers have created a computer simulation, validated by experimental results, to help design drug-delivery nanoparticles that carry cancer-fighting medicines directly to tumors, while minimizing the potential ...
Scientists have developed a human-friendly, ultra-flexible organic sensor powered by sunlight, which acts as a self-powered heart monitor. Previously, they developed a flexible photovoltaic cell that could be incorporated ...
Skin acts as the first line of defense against pathogens and other harmful material from outside the body. Yet this barrier also excludes some beneficial drugs that could treat skin diseases. Now, researchers have taken the ...
A research team led by Arun Iyer, Ph.D., assistant professor of pharmaceutical sciences in the Eugene Applebaum College of Pharmacy and Health Sciences at Wayne State University, has developed a nanoplatform technology that ...
In materials science, the surface wettability of a biomaterial can be measured using the surface water contact angle as an important characterization of its hydrophilicity or hydrophobicity. The technique has attracted remarkable ...
Molecular electronics is a burgeoning field of research that aims to integrate single molecules as active elements in electronic devices. Obtaining a complete picture of the charge transport properties in molecular junctions ...
For half a century, researchers have seen loops of displaced atoms appearing inside nuclear reactor steel after exposure to radiation, but no one could work out how.
Researchers at Idaho National Laboratory have discovered how to make "superalloys" even more super, extending useful life by thousands of hours. The discovery could improve materials performance for electrical generators ...
Currently, half of the world's measured precipitation that falls in a year falls in just 12 days, according to a new analysis of data collected at weather stations across the globe.
With many disease-causing bacteria ratcheting up their shields against current drugs, new tactics are vital to protect people from treatment-resistant infections.
Scientists at the National Synchrotron Light Source II (NSLS-II)—a U.S. Department of Energy (DOE) Office of Science User Facility at DOE's Brookhaven National Laboratory—have used ultrabright x-rays to image single bacteria ...
Today, most of the water on Mars is locked away in frozen ice caps. But billions of years ago it flowed freely across the surface, forming rushing rivers that emptied into craters, forming lakes and seas. New research led ...
The next time you're gazing out of the window in search of inspiration, keep in mind the material you're looking through was forged inside the heart of an exploding ancient star.
SpaceX got the green light this week from US authorities to put a constellation of nearly 12,000 satellites into orbit in order to boost cheap, wireless internet access by the 2020s.
A team of researchers from Korea Advanced Institute of Science and Technology, Harvard University and Korea Research Institute of Chemical Technology has developed a way to make batteries in almost any shape that can be imagined. ...
Forests in the Pacific Northwest will be less vulnerable to drought and fire over the next three decades than those in the Rocky Mountains and Sierra Nevada, computer modeling by researchers in Oregon State University's College ...
Research by scientists at the University of Liverpool suggests that being raised communally makes mice more competitive when they're older.
The symmetries that govern the world of elementary particles at the most elementary level could be radically different from what has so far been thought. This surprising conclusion emerges from new work published by theoreticians ...
Technology first used by NASA to grow plants extra-terrestrially is fast tracking improvements in a range of crops. Scientists at John Innes Centre and the University of Queensland have improved the technique, known as speed ...
"Add 'skull-collecting ant' to the list of strange creatures in Florida," says Adrian Smith a scientist at the North Carolina Museum of Natural Sciences and North Carolina State University. His new research describes the ...
Tracks made by dinosaurs the size of sparrows have been discovered in South Korea by an international team of palaeontologists.
In a historic vote, more than 50 nations unanimously approved an overhaul of the international measurement system that underpins global trade and other human endeavors, uniting Friday behind new definitions for the kilogram ...
Hidden in a distant galaxy cluster collision are wisps of gas resembling the starship Enterprise—an iconic spaceship from the "Star Trek" franchise.
In mid-December, twin discs will begin glowing blue on the underside of a minibus-sized spacecraft in deep space. At that moment Europe and Japan's BepiColombo mission will have just come a crucial step closer to Mercury.
About 15 years ago, UNC Lineberger's Dale Ramsden, Ph.D., was looking through a textbook with one of his students when they stumbled upon a scientific mystery.
A new study has found ground-breaking evidence from an ice core in the Swiss-Italian Alps that proves the 7th century switch from gold to silver currencies in western Europe actually occurred a quarter of a century earlier ...
Cells replicate by dividing, but scientists still don't know exactly how they decide when to split. Deciding the right time and the right size to divide is critical for cells – if something goes wrong it can have a big ...
Carbon fiber composites—lightweight and strong—are great structural materials for automobiles, aircraft and other transportation vehicles. They consist of a polymer matrix, such as epoxy, into which reinforcing carbon ...
A new technique to study intact parts of cell membranes could revolutionise studies of cancer, metabolic and heart diseases.
New analysis of the structure and function of the naturally-occurring antimicrobial agent tunicamycin has revealed ways to produce new, safe antibiotics for Mycobacterium tuberculosis and other disease-causing bacteria.
Bacteria are increasingly resistant to available antibiotics. A team of chemists from the Technical University of Munich (TUM) have now identified important enzymes in the metabolism of staphylococci. Blocking these enzymes ...
Scientists at Tokyo Institute of Technology produced subnano-sized metallic particles that are as much as 50 times more effective than well-known Au-Pd bimetallic nanocatalysts.
A new study sheds light on how toothed whales adapted their sonar abilities to occupy different environments. The study shows that as animals grew bigger, they were able to put more energy into their echolocation sounds—but ...
Researchers from the Departments of Chemistry and Engineering Science at the University of Oxford have found a general way of predicting enzyme activity. Enzymes are the protein catalysts that perform most of the key functions ...
Heat is transported through the ocean by a deep-ocean circulation system, known as the global heat conveyor belt, which constantly circulates water around the globe and helps to balance the earth's climate.
With virtual reality (VR) sizzling in every electronic fair, there is a need for displays with higher resolution, frame rates and power efficiency. Now, a joint collaboration of researchers from SCALE Nanotech, Graphenea ...
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