#Physicists fine-tune control of agile exotic materials: Tunable hybrid polaritons realized with graphene layer on hexagonal boron nitride Abstract:
to Detect Cyanogen Toxic Gas June 23rd, 2015imaging Robust new process forms 3-D shapes from flat sheets of graphene June 23rd, 2015sweeping lasers snap together nanoscale geometric grids:
2015iranian Scientists Design Nano Device to Detect Cyanogen Toxic Gas June 23rd, 2015materials/Metamaterials n-tech Research Issues Report on Smart Coatings Market
to Detect Cyanogen Toxic Gas June 23rd, 2015interviews/Book reviews/Essays/Reports/Podcasts/Journals/White papers n-tech Research Issues Report on Smart Coatings Market
2015iranian Scientists Design Nano Device to Detect Cyanogen Toxic Gas June 23rd, 2015military Iranian Scientists Design Nano Device to Detect Cyanogen Toxic Gas June 23rd,
2015scientists Create Synthetic Membranes That Grow Like Living Cells June 22nd, 2015discovery paves way for new kinds of superconducting electronics June 22nd,
bio-inspired process unlike current approaches that rely on high temperatures, pressures, toxic solvents and expensive precursors,
In particular, current chemical synthesis methods use high temperatures and toxic solvents, which make environmental remediation expensive and challenging.
2015iranian Scientists Design Nano Device to Detect Cyanogen Toxic Gas June 23rd, 2015materials/Metamaterials Physicists fine-tune control of agile exotic materials:
This method is based on the standards of green chemistry due to the use of biological and green reactants instead of toxic chemicals and contaminants.
use of biological reactant and elimination of toxic and polluting materials and solvents are among the most important advantages of the proposed method.
its high concentration causes digestive malfunctions and results in the related diseases due to its toxicity.
reducing pollution caused by large consumption of toxic solvents due to the high surface area, and high sorption capacity.
ranging from gas leakage, toxic and explosive gas sensing, and contaminants in water to DNA and proteins.
High-throughput bioactivity screening did not reveal increased toxicity of the particles when compared to an equivalent mass of metallic silver nanoparticles or silver nitrate solution.
and also toxicity, made for a good attachment point. That means the drug was inactivated as it flowed through the circulatory system until it reached the tumor.
and decreasing the alkaline and acidic solubility without creating the cellular toxicity. Results of the research have applications in textile, polymer,
However, current methods for production currently require toxic chemicals and lengthy and cumbersome processes that result in low yield that is not scalable for commercial applications.
The process is relatively faster, safer and green--devoid of any toxic substances (just graphite plus concentrated light.
But many of the advances rely on petroleum-based plastics and toxic materials. Yu-Zhong Wang, Fei Song and colleagues wanted to seek a greener way forward.
These methods are also toxic, and can cause cell damage and death. By delivering proteins directly into cells with minimal toxicity,
Cellsqueeze avoids these shortcomings and, in this new study, demonstrates promise as a versatile platform for creating more effective cell-based vaccines.
where detection of toxic gases is needed at the parts-per-million level. Monitoring air quality,
and UV radiation (Nanowerk News) RMIT University researchers have created wearable sensor patches that detect harmful UV radiation and dangerous, toxic gases such as hydrogen and nitrogen dioxide (Small,"Stretchable
They want to know the drug toxic liability as soon as possible to eliminate failures from their programme,
Understanding the long-term toxicity of drugs Traditionally the potential harmfulness of drugs has been tested on cells grown on plates in a 2d format.
so the tests only reveal results for acute toxicity, i e. drugs that would harm patients almost as soon as they are administered.
allowing for testing of longer-term toxicity effects. The drug being tested passes in a nutrient solution across these various compartmentalised rgansand the plate is connected with analytical methods such as mass spectroscopy to analyse the drug metabolites produced.
but they might also be toxic. This metabolite toxicity can't be detected by classic 2d culture.
Commercial multi-tissue device could be ready in three years A device comprising rat cells,
and more commonly used drugs known to be toxic to the liver such as paracetamol, were passed over these tissues to test the device worked correctly.
Such a system also could be used to test toxic chemicals and environmental factors that contribute to infections or organ malfunctions.
because the materials can assemble in water instead of more toxic organic solutions that are used widely today.
bio-inspired process unlike current approaches that rely on high temperatures, pressures, toxic solvents and expensive precursors,
In particular, current chemical synthesis methods use high temperatures and toxic solvents, which make environmental remediation expensive and challenging.
""Our findings indicate that this nanoparticle delivery system increases the cytotoxicity of doxorubicin with no evidence of systemic toxic side effects in our animal model,
Marcia Silva da Pinto, postdoctoral researcher, works on growing metal organic frameworks onto cotton samples to create a filtration system capable of capturing toxic gas,
Other students have used MOFS to create a mask and hood capable of trapping toxic gases in a selective manner.
Removing these toxic materials which include pesticides and endocrine disruptors such as bisphenol A (BPA) with existing methods is often expensive and time-consuming.
Brandl says. hen we came up with the idea to use our particles to remove toxic chemicals, pollutants,
minimizing the risks of leaving toxic secondary products to persist in, say, a body of water. nce they switch to this macro situation where theye big clumps,
a condition that requires treatment with increasingly toxic drugs. Treasure hunt Many of the most successful antibiotics were found in the mid-twentieth century by scientists who trawled microbial communities for bacteria capable of killing their brethren.
and has yet to show any toxic side effects, but demonstrating its safety in humans will be important,
#Deficiency of Specific Protein in Brain Blood vessels Increases Risk for Alzheimer Disease New study finds that PICALM protein regulates removal of toxic plaques from brain.
Sientists at the Keck School of medicine of USC have discovered that a protein known as PICALM regulates removal of toxic plaques from the brain,
characterized by the loss of memory and other mental abilities linked to an accumulation of amyloid-beta and other toxic compounds in the brain.
They applied a toxic agent to the neurons known to induce double strand breaks and then harvested the RNA from the cells for sequencing.
But the reaction is toxic and destroys the animal motor neurons, Alex Parker explained. Is the same scenario at work with people?
but also seems to be toxic. Gagsteiger is now starting tests of irradiating sperm with the near-infrared light before fertilisation."
#Stretchy Sensors Remind You to Take a Break from the Sun Researchers at RMIT University in Australia have developed stretchy sensors that detect harmful UV radiation and toxic gases such as hydrogen and nitrogen dioxide.
A treatment that would inhibit TERT in a targeted cancer-cell-specific manner would bypass the toxicities associated with current treatments that inadvertently also target TERT in normal healthy cells s
The scientists are now looking for ways they can use the same approach to develop more effective and less toxic cancer treatments in humans.
and the side effects can be intense. reatment regimes for advanced colorectal cancer involve combination chemotherapies that are toxic and largely ineffective,
and past evidence suggests that completely blocking Wnt signaling would likely be severely toxic to normal intestinal cells,
"The U s. EPA Mercury and Air Toxics Standards and the International Minamata Convention on Mercury, have focused on limiting the emissions of toxic air pollutants,
Targeted biological therapy can reduce toxicity and improve outcomes for many cancer patients, when compared to the adverse effects of standard chemotherapeutic drugs.
or toxic exposures vaccinations diet and dental hygiene--trumped heritable ones when it came to accounting for differences within a pair of twins.
and can also cause toxicity.''In the past few years, Ho and his colleagues were developing cellular nanotags to help detect organ rejection,
Consequently, in these organs, the toxic side effects of the nanodrug decreased significantly. Furthermore, the researchers found that Intralipid pre-treatment allowed more of the drug to remain available and active in the body for longer periods of time.
Such a system also could be used to test toxic chemicals and environmental factors that contribute to infections or organ malfunctions.
tunable luminescence, superior photostability, low toxicity, and chemical resistance. Recently, Prof. Seokwoo Jeon (Material Science and Engineering), Prof.
The Rutgers team was able to isolate the uranium-breathing bacterium in the lab by recognizing that uranium in samples from the Rifle site could be toxic to microorganisms as well as humans.
So just like bacteria pick up resistance to things like antibiotics and heavy metal toxicity, this bacterium"picked up a genetic element that's now allowing it to detoxify uranium,
The researchers observed that the microspheres were not toxic and stayed in the heart for at least 35 days.
producing toxic cells that run afoul of the body's normal functions. Dr. Ho and his colleagues are currently validating a test based on the newly identified epigenomic fingerprint, called H3k36me3 loss,
and toxic chemicals cannot reach this zone. Hypoxia-activated cell signaling pathways may also protect the stem cells from dying or aging.
bio-inspired process unlike current approaches that rely on high temperatures, pressures, toxic solvents and expensive precursors,
In particular, current chemical synthesis methods use high temperatures and toxic solvents, which make environmental remediation expensive and challenging.
identification of gutter oils mainly involves detection of certain food residue markers or toxic and carcinogenic chemicals in the sample.
but with limited toxicity, making them safe enough to be used by children and pregnant women.
and if it can be targeted by drugs we could see something that stops malaria in its tracks without causing toxic side-effects."
Unfortunately, viral delivery poses significant safety risks including toxicity, activation of the patient's immune system against the virus,
--which by itself has no effect on cancer cells--into a compound that is toxic to actively dividing brain cancer cells.
toxic particles, infections, and chronic inflammatory responses pose a permanent threat to our lungs. To date, the regenerative mechanisms leading to healing of lung injury remain incompletely understood.
toxic or required a high temperature that was not accessible in the lab.""We had to discard many candidate compounds,
and also toxicity, made for a good attachment point. That means the drug was inactivated as it flowed through the circulatory system until it reached the tumor.
and for biological applications because of its toxicity to organisms and cells. Read de Alaniz Hawker, and postdoctoral researcher Brett Fors, now with Cornell University, led the study that was inspired initially by a photoreactive Iridium catalyst.
But many of the advances rely on petroleum-based plastics and toxic materials. Yu-Zhong Wang, Fei Song and colleagues wanted to seek a reenerway forward.
non-biodegradable and potentially toxic materials are discarded at an alarming rate in consumerspursuit of the next best electronic gadget.
However, gallium arsenide can be environmentally toxic, particularly in the massive quantities of discarded wireless electronics.
and potentially toxic material. e made 1, 500 gallium arsenide transistors in a 5-by-6 millimeter chip.
Such a system also could be used to test toxic chemicals and environmental factors that contribute to infections or organ malfunctions.
and toxic agents are studied. y developing this omo minutus, we are stepping beyond the need for animal or Petri dish testing:
and toxicity analysis systems that can mimic the response of actual human organs, said Rashi Iyer, a senior scientist at Los alamos National Laboratory.
potentially toxic molecules that accumulate when cells are under stress, such as that caused by oncogenic transformation.
because the materials can assemble in water instead of more toxic organic solutions that are used widely today. nce you make the materials,
or peptides molecules made up of short chains of amino acids that are toxic to the bacteria,
The paper demonstrates that using synthetic biology to modify a gene in a phage to make it more toxic to a pathogen can lead to more effective antimicrobial particles than classical approaches,
Some synthetic gels degrade into toxic chemicals over time, and some natural gels are not strong enough to withstand the flow of arterial blood through them,
and does not appear to have toxic effects when tested with living cells in the lab. The team also found that they could control how much the material swelled as well its strength,
therefore, cannot repair damage caused by toxic environmental agents. This result demonstrates, for the first time, that telomere damage may cause pulmonary fibrosis.
works on growing metal organic frameworks onto cotton samples to create a filtration system capable of capturing toxic gas,
Other students have used MOFS to create a mask and hood capable of trapping toxic gases in a selective manner.
Toxic effects The research team has developed also and tested specific antibodies that can directly neutralise the toxic effects of histones in the blood circulation
and found that their use can significantly prevent the development of heart complications in sepsis.
Screening for drug toxicity To test the potential of the system as a drug-screening tool,
problems with muscle contraction and lower beat rates compared with heart tissue that had not been exposed to thalidomide. e chose drug cardiac developmental toxicity screening to demonstrate a clinically relevant application of the cardiac microchambers,
and other UC Berkeley researchers publicly debuted a system of beating human heart cells on a chip that could be used to screen for drug toxicity.
can detect the toxic effect of over a dozen drugs with greater than 97%accuracy. he implications for liver biology
and is likely to critically improve our ability to predict drug toxicity, which was limited previously by the unavailability of liver cells.
< Back - Next >
Overtext Web Module V3.0 Alpha
Copyright Semantic-Knowledge, 1994-2011