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It sounds like something out of the Borg in Star Trek. Nano-sized robots self-assemble to form biological machines that do the work that keeps one alive. And yet something like this really does go on.
Harvard Medical School researchers have improved the design of tiny nanodiscs—synthetic models of cell membranes used to study proteins that control what enters and leaves a cell. The enhancements provide an unprecedented ...
Cancerous tumours are known to release cells into the bloodstream, and it is these circulating tumour cells or CTCs that are the sources of metastatic tumours – tumours that spread and form in distant locations in the body. ...
The base pairs found in DNA are key to its ability to store protein-coding information, but they also give the molecule useful structural properties. Getting two complementary strands of DNA to zip up into a double helix ...
A Purdue University biochemist has developed a novel method for detecting certain types of proteins that serve as indicators for cancer and other diseases.
Virginia Tech scientists have developed a new cancer drug that uses gold nanoparticles created by the biotech firm CytImmune Sciences to deliver paclitaxel—a commonly used chemotherapy drug directly to a tumor.
Scientists from LPI RAS, Skoltech, and MIPT have discovered unusual properties of silicon nanoparticles. They have shown that at normal conditions silica nanoparticles are enriched with oxygen. Such nanoparticles are magnetic ...
Tomi Laurila's research topic has many quirky names.
Nanoscale manipulation on the surface of materials could stimulate cells to differentiate into specific tissues – eliminating the use of growth or transcription factors.
Katie Whitehead, assistant professor of chemical engineering at Carnegie Mellon University, recently received the Young Faculty Award (YFA) from the Defense Advanced Research Projects Agency (DARPA). The YFA is a prestigious ...
Nanomaterials have invaded most of products used in our daily life. They are found everywhere: from cosmetics (creams, toothpastes, and shampoo), food components (sugar, or salt), clothes, buildings cement, paints, car tires, ...
Inspired by proteins that can recognize dangerous microbes and debris, then engulf such material to get rid of it, polymer scientists led by Todd Emrick at the University of Massachusetts Amherst have developed new polymer-stabilized ...
Scientists from the University of Basel have succeeded in organizing spherical compartments into clusters mimicking the way natural organelles would create complex structures. They managed to connect the synthetic compartments ...
Nanoparticles are particles that are smaller than 100 nanometers. They are typically obtained from metals and, because of their tiny size, have unique properties that make them useful for biomedical applications. However, ...
The intersection of nanotechnology and green chemistry presents an excellent opportunity to ensure that both fields can learn from each other, argues John C. Warner in Green Chemistry and Letters.
Nanomedicine has the potential to help personalize cancer treatments and reduce side effects of therapeutic drugs. While some progress has been made toward the latter goal, customized treatments are still hard to come by. ...
To infect its victims, influenza A heads for the lungs, where it latches onto sialic acid on the surface of cells. So researchers created the perfect decoy: A carefully constructed spherical nanoparticle coated in sialic ...
In a proof-of-concept study with mice, scientists at The Johns Hopkins University show that a novel coating they made with antibiotic-releasing nanofibers has the potential to better prevent at least some serious bacterial ...
The huge doses of drugs required to combat cancer could be reduced thanks to the work of A*STAR researchers, and the drugs themselves may become more effective. The researchers have developed a polymeric 'scaffold' that helps ...
A diagnosis of pancreatic cancer is often a death sentence because chemotherapy and radiation have little impact on the disease. In the U.S. this year, some 53,000 new cases will be diagnosed, and 42,000 patients will die ...
Pre-treating the fabric surface of the bandages used to treat burns with enzymes and polyethylene glycol or cellulase may promote the adhesion of antibacterial nanoparticles and improve their bacteria-repelling ability. These ...
A Daegu Gyeongbuk Institute of Science and Technology research team led by Professor Su-Il In, who developed acupuncture needles combined with nanotechnology, was recognized as the world's first application of this technology. ...
Silver nanoparticles have a wide array of uses, one of which is to treat drinking water for harmful bacteria and viruses. But do silver nanoparticles also kill off potentially beneficial bacteria or cause other harmful effects ...
Physicists at The University of Texas at Arlington have shown that using microwaves to activate photosensitive nanoparticles produces tissue-heating effects that ultimately lead to cell death within solid tumors.
A new tool that uses a forest-like array of vertically-aligned carbon nanotubes that can be finely tuned to selectively trap viruses by their size can increase the detection threshold for viruses and speed the process of ...
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For the first time, researchers from the University of Illinois at Urbana-Champaign have demonstrated that the success of delivery of drugs from nanoparticles can be quantified inside a cell.
If the 1967 film "The Graduate" were remade today, Mr. McGuire's famous advice to young Benjamin Braddock would probably be updated to "Plastics … with nanoparticles." These days, the mechanical, electrical and durability ...
MIT researchers have designed nanosensors that can profile tumors and may yield insight into how they will respond to certain therapies. The system is based on levels of enzymes called proteases, which cancer cells use to ...
Nanoparticles known as Cornell dots, or C dots, have shown great promise as a therapeutic tool in the detection and treatment of cancer.
Stanford researchers accidentally discovered that iron nanoparticles invented for anemia treatment have another use: triggering the immune system's ability to destroy tumor cells.
Osteoarthritis is a debilitating condition that affects at least 27 million people in the United States, and at least 12 percent of osteoarthritis cases stem from earlier injuries. Over-the-counter painkillers, such as anti-inflammatory ...
Scientists have discovered a new way to replicate the regenerative power of stem cells in the lab, which could lead to powerful treatments for injuries and diseases.
The combination of graphene nanoribbons made with a process developed at Rice University and a common polymer could someday be of critical importance to healing damaged spinal cords in people, according to Rice chemist James ...
Sticky nanoparticles that deliver drugs precisely to their targets—and then stay there—could play a crucial role in fighting ovarian and uterine cancers.
Researchers with the Harold C. Simmons Comprehensive Cancer Center successfully developed a synthetic polymer that can transport a drug into lung cancer cells without going inside of normal lung cells.
Nanoparticles offer a promising way to deliver cancer drugs in a targeted fashion, helping to kill tumors while sparing healthy tissue. However, most nanoparticles that have been developed so far are limited to carrying only ...
For the first time, scientists know what happens to a virus' shape when it invades a host cell, thanks to an experiment by researchers at Penn State College of Medicine and University of Pittsburgh School of Medicine. Understanding ...
When it comes to delivering drugs, nanoparticles shaped like rods and worms are the best bet for making the daunting journey to the centre of a cell, new Australian research suggests.
The first multicellular organism, Volvox, evolved from self-assembly of individual cells. Inspired by this organism, researchers from Brigham and Women's Hospital have developed a novel approach for treating cancer. Drawing ...
With one in two Australian children reported to have tooth decay in their permanent teeth by age 12, researchers from the University of Sydney believe they have identified some nanoscale elements that govern the behaviour ...
Changes in the genetic make-up of tissue samples can be detected quickly and easily using a new method based on nanotechnology. This report researchers from the Swiss Nanoscience Institute, the University of Basel and the ...
(Phys.org)—One of the biggest challenges to realizing the potential of targeted therapies is keeping nanomaterials from accumulating in the liver or spleen. The liver and spleen are part of the mononuclear phagocyte system. ...
A team of UCLA researchers has found a way to speed and simplify the detection of proteins in blood and plasma opening up the potential for diagnosing the early presence of infectious diseases or cancer during a doctor's ...
When you've got to go, but you're out there in space, zipped up in a spacesuit, with no toilet in sight and a crew of other astronauts around, what do you do?
We all know that when it rains, plants grow. When it doesn't, they don't.
In science, sometimes the best discoveries come when you're exploring something else entirely. That's the case with recent findings from the National Institute of Standards and Technology (NIST), where a research team has ...
Graphene, a two-dimensional form of carbon in sheets just one atom in thick, has been the subject of widespread research, in large part because of its unique combination of strength, electrical conductivity, and chemical ...
Every year, trade winds over the Sahara Desert sweep up huge plumes of mineral dust, transporting hundreds of teragrams—enough to fill 10 million dump trucks—across North Africa and over the Atlantic Ocean. This dust ...
The claws of coconut crabs have the strongest pinching force of any crustacean, according to a study published November 23, 2016 in the open-access journal PLOS ONE by Shin-ichiro Oka from Okinawa Churashima Foundation, Japan, ...
People have a remarkable ability to remember and recall events from the past, even when those events didn't hold any particular importance at the time they occurred. Now, researchers reporting in the journal Current Biology ...
"Mood ring materials" could play an important role in minimizing and mitigating damage to the nation's failing infrastructure.
A groundbreaking study of the virosphere of the most populous animals - those without backbones such as insects, spiders and worms and that live around our houses - has uncovered 1445 viruses, revealing people have only scratched ...
Reporting this week (Wednesday Nov. 23) in the journal Nature an international team led by British Antarctic Survey (BAS) explains that present-day thinning and retreat of Pine Island Glacier, one of the largest and fastest ...
A naturally occurring predatory bacterium is able to work with the immune system to clear multi-drug resistant Shigella infections in zebrafish, according to a study published today in Current Biology.
Piezoelectric sensors measure changes in pressure, acceleration, temperature, strain or force and are used in a vast array of devices important to everyday life. However, these sensors often can be limited by the "white noise" ...
The government wants smartphone makers to lock out most apps when the phone is being used by someone driving a car.
Scientists at The Scripps Research Institute (TSRI) have developed a vaccine that blocks the pain-numbing effects of the opioid drugs oxycodone (oxy) and hydrocodone (hydro) in animal models. The vaccine also appears to decrease ...
In the age of WikiLeaks, Russian hacks and increased government surveillance, many computer users are feeling increasingly worried about how best to protect their personal information—even if they aren't guarding state ...
Researchers have revealed new atomic-scale details about pesky deposits that can stop or slow chemical reactions vital to fuel production and other processes. This disruption to reactions is known as deactivation or poisoning.
A study co-led by the University of East Anglia (UEA) has found that people with genes for high educational achievement tend to marry, and have children with, people with similar DNA.
The study, published as the cover article in BioMed Central's Avian Research, led by the Earlham Institute and the Museum of Vertebrate Zoology at the University of California, explores the phylogenetic relationship between ...
Scientists at the U.S. Department of Energy's Ames Laboratory are being credited with creating the first intermetallic double salt with platinum.
(Phys.org)—A team of researchers from France, the U.S. and Italy has found evidence from the Tohoku-Oki earthquake that sensors that measure changes in gravity might offer a way to warn people of impending disaster faster ...
A new analysis of subsistence data collected in three Arctic communities underscores the importance of social ties and sharing among households.
Despite what you might think, evolution rarely happens because something is good for a species. Instead, natural selection favours genetic variants that are good for the individuals that possess them. This leads to a much ...
(Phys.org)—A team of researchers with the Universities of Roehampton and Birmingham in the U.K. has found a unique way to measure the energy spent by tree-dwelling apes when faced with gaps in a jungle canopy. In their ...
Although recent election coverage may suggest otherwise, research shows that people are more likely to use positive words than negative words on the whole in their communications. Behavioral scientists have extensively documented ...
How can quantum information be stored as long as possible? An important step forward in the development of quantum memories has been achieved by a research team of TU Wien.
An enterprising researcher from The University of Manchester has developed a prototype tool that could help transform the lives of the blind and visually impaired.
It only takes a few seconds for an employee of one of the world's leading hacking companies to take a locked smartphone and pull the data from it.
Men and women don't communicate much differently from each other, at least when they get the same training and are working on the same type of written assignment. The findings come amid frequent studies that have discovered ...
Black light does more than make posters glow. Cornell researchers have developed a chemical tool to control inflammation that is activated by ultraviolet (UV) light.
Scientists at Washington University in St. Louis isolated an enzyme that controls the levels of two plant hormones simultaneously, linking the molecular pathways for growth and defense.
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