|
Home / News / Tags / nanoparticles
|
|
30
Stories about: nanoparticles |
|
|
More: next 50 >>
Scientists at the Stanford University announce the completion of a new class of electronic devices, fully biodegradable organic transistors. The materials hold great promise for the field of medicine, where they could be used to control temporary medical implants, before being harmlessly absorbed within the organism ... |
14 November 2009
14:01 GMT |
 |
|
Magnetic nanoparticles (mNPs) have been heavily researched for the past ten years, and serious advancements have been made during this time. Studies have resulted in these structures being made capable to carry white blood cells, deadly agents to counteract infections or tumors at specific locations in the body. Othe... |
6 November 2009
10:58 GMT |
|
|
In a groundbreaking, new discovery that may have significant implications for anything from energy production and global-warming mitigation to creating better and cheaper medicines and fuels, scientists at the University of Utah have recently managed to find out numerous new data on the general action mechanism of ca... |
6 November 2009
10:12 GMT |
|
|
The Cambridge, Massachusetts-based BIND Biosciences, a start-up, is currently working on a new method of creating nanoparticle-enclosed drugs, which have, in test trials, proven to be extremely effective at destroying cancer cells in tumors. In charge of the work is head of process development, Greg Troiano, who over... |
4 November 2009
09:49 GMT |
|
|
Scientists at the Duke University have recently announced the development of a new type of nanoscale drug delivery system, which shows great promise for treating cancer. According to the experts, animal models that had developed cancer had their tumors annihilated by chemotherapy drugs loaded onto the new cells after... |
2 November 2009
02:51 GMT |
|
|
A team of scientists has recently managed to produce a new type of measurement technology that relies on the optical resonances that form inside nanoparticles. These so-called plasmon resonances may prove to be the basis for a new class of sensors, experts from the Chalmers University of Technology, who have been beh... |
26 October 2009
06:45 GMT |
|
|
Many scientists in the international community believe that nanomaterials hold the key to tomorrow's technologies. They may be used in medicine, computing, electronics and environmental sciences, but one of the issues that prevents that from happening right now is the materials' inability to self-assemble, ... |
23 October 2009
18:41 GMT |
|
|
Scientists working with nanoparticles tout them as the way of the future in a large number of research fields, ranging from computing and chemistry to electronics and medicine. However, in order for the tiny structures to be of any good, they need to fulfill certain demands. Creating them after strict specifications ... |
25 September 2009
02:55 GMT |
|
|
According to a new scientific paper, published in the September 22nd issue of the respected scientific journal ACS Nano, experts at the University of Liverpool finally managed to discover what happened to nanoparticles after they were introduced in human cells. The study, which was funded by the Biotechnology and Bio... |
23 September 2009
06:09 GMT |
|
|
Experts from the Children's Hospital Boston (CHB) have recently devised a new method of controlling nanoparticles and the drugs they contain, via the use of magnets. There is little doubt among healthcare professionals that nanostructures will deliver drugs to people's bodies in the future. But one of t... |
19 September 2009
04:46 GMT |
|
|
In a new study published online in the September 13th issue of the journal Nature Materials, experts at the Eindhoven University of Technology (EUT) and the University of Ulm announced that they had managed to get high-resolution, 3D images of the inside of a polymer solar cell for the first time. Knowing the nanosca... |
14 September 2009
14:21 GMT |
|
|
Creating the best possible reactants and catalysts is the basic step in any chemical reaction, as long as experts know what they are trying to obtain. In recent years, chemists have noticed that nanoparticles featuring both platinum and gold make for an exquisite catalyst in a variety of chemical reactions related to... |
1 September 2009
01:53 GMT |
|
|
Experts from the Israel Institute of Technology, in Haifa, have recently announced that they are working on a new electronic nose that will have the ability to detect early signs of lung cancer, before the disease advances far enough to show up on conventional viewing methods such as X-rays and MRI. Relying on the po... |
31 August 2009
01:40 GMT |
|
|
Ever since micro- and nano-technology first appeared, there has been a steady strive on the part of researchers to develop ways of manipulating structures formed at such small scales. The efforts have grown considerably once experts have started realizing that nanostructures – billionths of times smaller th... |
29 August 2009
05:58 GMT |
|
|
In the near future, spies and top-secret agencies could have a lot to benefit from a new class of nanoparticle inks that was just created. Messages written with the new substance have a tendency to make themselves invisible, when viewed by suspicious strangers. The innovation, created by experts at the Northwestern U... |
27 August 2009
02:09 GMT |
|
|
Experts at the University of Texas in Austin, led by chemical engineer Brian Korgel, have recently developed a new type of solar cells, a bit less conventional. They propose that the energy-producing structures be made out of nanoparticle “inks,” which could be sprayed on rooftops and other structures lik... |
25 August 2009
15:51 GMT |
|
|
When treating cancer in the brain, delicacy is the operative word. Any and all methods of treatment, be they chemotherapy, surgery or nanoparticle-based alternatives, need(s) to be able to target the diseased cells specifically, and leave the surrounding networks of neurons undamaged. A newly devised technique does j... |
24 August 2009
15:01 GMT |
|
|
Zinc oxide has been in use in the nanotechnology industry since its early days, and researchers in Saudi Arabia have now devised a non-toxic and environmentally friendly method of producing it en masse. In a paper published in the International Journal of Nanoparticles, the scientists show that this class of nanopart... |
24 August 2009
04:25 GMT |
|
|
By incorporating inorganic nanoparticles on silk templates, researchers at the Georgia Institute of Technology (Georgia Tech) have recently developed a new method of obtaining strong and flexible composite structures, as well as composite films made of silk-silver nanoparticles. The latter product can be used to crea... |
21 August 2009
17:41 GMT |
|
|
Before the best course of treatment for cancer tumors is established, analyzing them is the top priority. Biopsies are at this point the main way to do this, but they consume lots of time and resources, and also offer only a one-angled view of the problem, at a specific point in time. That is precisely why oncologist... |
18 August 2009
21:01 GMT |
|
|
Stem cells are known among health experts for their almost limitless healing potential, but their efficacy is highly dependent on whether they can reach their destined location or not. In some forms of treatment, a large part of the cells gets lost on the way, which reduces the health benefits of the overall treatmen... |
18 August 2009
06:36 GMT |
|
|
Future generations of electronic display devices, sensors, and other such items will undoubtedly be based on nanoparticle technology, but one of the major issues that have plagued this field of research until now was the fact that scientists were unable to develop ways of controlling all aspects of their movements. T... |
12 August 2009
09:50 GMT |
|
|
Brain tumors are notoriously lethal and fast-evolving, and therefore intervening with surgery is a top priority in most medical cases. In the OR, doctors rely heavily on MRI scans and optical imaging of the affected area for their procedure, and it is therefore essential that they have the best possible data, so that... |
4 August 2009
07:00 GMT |
|
|
In a groundbreaking course of treatment, which could see human trials starting within the next 18 to 24 months, researchers from the Lankenau Institute for Medical Research (LIMR) have managed to deliver suicide genes to ovarian cancer tumor cells via nanoparticles, essentially slowing the growth of the tumor. Detail... |
31 July 2009
05:40 GMT |
|
|
Experts at the University of Warwick have recently devised a new class of high-tech foams, when they have realized that exposing particular mixtures of polymer particles and other materials to sudden freeze-drying drastically modifies their internal structure. Chemists and engineers at the university report that... |
28 July 2009
20:11 GMT |
|
|
Heavily injured patients in hospitals around the world all have a common enemy in their precarious condition, namely bacterial agents. Strains of microorganisms such as the MRSA can easily invade a person with a weakened immune system, and cause widespread internal damage, or even death. In their struggle to hinder t... |
28 July 2009
16:11 GMT |
|
|
Weighing any and all types of atoms individually has been a long-standing goal in science, and now efforts done by experts from the University of Melbourne, in Australia, have brought these attempts one nano-step closer to success. In their studies of gold nanoparticles of highly uniform shapes and sizes, the investi... |
27 July 2009
10:32 GMT |
|
|
Usually, when a burn victim is brought into the emergency room, their wounds are treated using some type of silver-based gel, which is known to promote and accelerate healing. Silver sulfadiazine and silver nitrate are potent germ fighters, and their actions have saved the lives of countless patients that would have ... |
23 July 2009
04:49 GMT |
|
|
Biomedical imaging techniques refer to tracking down particles injected into the human bodies to their destination, and assessing their behavioral patterns. This can be done using fluorescent markers, which are then observed with specialized equipment, designed specifically to track a certain type of marker. Now, exp... |
22 July 2009
06:47 GMT |
|
|
Undoubtedly, in future medical therapies, synthetic nanoparticles will play an essential role. Already, developments in technology allow for these materials to be used as carriers for drug and vaccine molecules, and further advancements will see them being employed more often in hospitals around the world. One of the... |
20 July 2009
08:40 GMT |
|
|
Metal-oxide nanoparticles are among the most commonly used in the industry, because they are relatively easy to produce, and can be grown in very small sizes. Now, their production process has been refined even further, as experts from the Ohio State University (OSU) have developed a new process for creating them sma... |
9 July 2009
06:25 GMT |
|
|
Despite having a “unitary” sound to their names, carbon nanotubes (CNT) can actually be of varied compositions and structures, as determined by their electronic properties. However, when they are produced in bulk, many types of CNT are generated in the same space, and disentangling something that is a few... |
9 July 2009
05:45 GMT |
|
|
Many of the potential advantages and applications of nanotechnology are, in some way or the other, related to the fact that they can act inside places regular-sized molecules cannot reach. But that action is entirely dependent on the ability of nanoparticles to self-assemble or self-combine into larger, more efficien... |
9 July 2009
05:32 GMT |
|
|
Pollution, oil spill, and air contamination are all real problems, as most of you living in large cities know. When it comes to their effect on nature, it can roughly be quantized, simply because there is no way of knowing how much damage an accident such as the Exxon Valdez oil spill caused. Its effects stretch to t... |
9 July 2009
04:57 GMT |
|
|
Certain watery environments are a bit tricky to analyze, especially when talking about the deep sea, or the frozen lakes buried under hundreds of feet of ice. Additionally, when nanoparticles come into play, it's very difficult to distinguish between the effects that other factors have on the water, and the effe... |
7 July 2009
16:41 GMT |
|
|
Researchers at the University of Leicester Department of Physics and Astronomy have recently taken another step in developing a technology that would allow health experts to monitor the way in which molecules in, say, a vaccine spread through the human body after administration. Their new synthesis method has led the... |
1 July 2009
05:52 GMT |
|
|
Over the coming months, a team of Australian researchers will proceed towards trying out on humans a therapy that has undergone constant studying for the last two years. In mouse subjects infected with human cancer cells, the survival rate after the treatment was of 100 percent, and these optimum results have given t... |
29 June 2009
04:46 GMT |
|
|
A newly bioengineered peptide nanoparticle has the ability to pass through the blood-brain barrier and provide localized care to brain regions affected by meningitis, as well as by other antibiotics-resistant bacteria and pathogens. The breakthrough, accomplished by experts at the Institute of Bioengineering and Nano... |
29 June 2009
04:28 GMT |
|
|
In a groundbreaking, new study conducted at the Max Planck Institute of Colloids and Interfaces, German researchers have set the basis for understanding how nanoparticles appear in nature. The work has also yielded cadmium sulphide particles coated in membrane bubbles at the microscopic scale, to be used as &ldqu... |
27 June 2009
07:08 GMT |
|
|
One of the main dangers plaguing all sorts of medical tools, devices and human implants at this point comes from a bacterium known as Staphylococcus epidermidis. Opportunistic by nature, the organism regularly lives on our skins, and is as harmless as it comes. However, when it hitches rides inside us via needles... |
27 June 2009
06:30 GMT |
|
|
In the last 25 years since nanoparticles were first created, a single problem about them remained universal, namely their lack of cohesion. At sizes lower than 100 nanometers, these particles need to be organized in films, so that they can be used in mind-boggling applications such as flexible computer and TV display... |
11 June 2009
06:59 GMT |
|
|
Up until this point, the golden rule in the industry of memory storing devices was that the greater the density of an information-storing medium, the shorter its durability. Stone tablets hold for millions of years, but hold only limited amounts of information, whereas flash memories hold a lot of data, but can ... |
5 June 2009
05:27 GMT |
|
|
Experts at the Rice University have recently announced the completion of their latest water-purifying technology, which makes use of nanotechnology to destroy arsenic. The new, revolutionary and low-cost nanorust technique will begin its testing runs in Guanajuato, Mexico, later this year. If it works, it could provi... |
28 May 2009
10:28 GMT |
|
|
Creating nanoparticles that have the ability to “guide” others into specifically designed positions is a thing that would undoubtedly open doors to the creation of a new class of devices. These future gadgets would have the ability to arrange themselves in the correct patterns inside spaces such as our ce... |
1 April 2009
09:42 GMT |
|
|
The idea of linking up nanoparticles via the use of modified DNA is not a new one, and researchers have recently made some headway in that direction, when they have created pyramid-shaped structures made from the acid, with each of them housing a single nanoparticle. Now, it would seem that experts from the US Depart... |
31 March 2009
04:26 GMT |
|
|
Researchers investigating the field of drug addiction may have just developed a new method of counteracting people's need for these substances. Rather than addressing the symptoms generated by the lack of the drug, or trying to replace it with something less harmful, the team from the University of Buffalo (UB)&... |
24 March 2009
07:13 GMT |
|
|
One of the many goals of nanotechnology is to make microscopic particles come together inside living organisms, so as to form transistors, metamaterials, or even microscale robots in designated locations, which cannot be reached with larger materials. But one of the main problems of self-assembly has been the fact th... |
17 March 2009
09:59 GMT |
|
|
Optical materials have been stretched to the maximum limits of their abilities over the years, but now researchers say that it's time for another class of materials to take their place. Apparently, that class of materials will be nanoparticles, as they seem to have the ability to distort and bend light in ways t... |
3 March 2009
10:48 GMT |
|
|
For nanoparticles this time though. Researchers from the Carnegie Mellon University's Material Science and Engineering and Chemistry have succeeded in partially cloaking nanoparticles by 'shrinking' their visible size without affecting the physical dimension of the particle. The study was conducted by ... |
7 March 2008
04:07 GMT |
|
|
When saying lightning, only one thing comes immediately to our mind, namely the image of a roughly linear electrical discharge through the Earth's atmosphere. This doesn't mean however that this is the one and only definition of a lightning. There is evidence, for example, that lightning discharges can take... |
3 March 2008
10:54 GMT |
|
More: next 50 >> |
|
|
