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The catalysts are cheap, earth-abundant materials and form by self-assembly, which should make manufacture cheaper.
or even laptop even if it missing a hard drive and the whole system is completely wireless.
and catalysts that allow us to control which sites in a molecule will undergo C-H functionalization,
The results outlined in the paper demonstrate the efficiency of rhodium catalysts to selectively install a new carbon-carbon bond into complex alkaloids in a highly controlled manner.
Protein kinase c (PKC) is a group of enzymes that act as catalysts for a host of cellular functions, among
and Ram Truck 3. 0-liter Ecodiesel engine D
#New Sensor Easily Detects Greenhouse gases Scientists have created a highly sensitive portable sensor to test the air for the most damaging greenhouse gases.
'the biological catalysts that help it decompose. For Europe packaging industry, such a recyclable product is important
#Chip uses magnetism to sort living cells Researchers have developed a chip-like device that similar to a random access memory chip,
Applications for HIV and cancer In a random access memory chip, similar logic circuits manipulate electrons on a nanometer scale, controlling billions of compartments in a square inch.
alkaline phosphatasehat are produced naturally by bone tissue. he catalysts are naturally present in your body at all times, in low levels.
#dgy films are perfect catalysts for fuel cells Chemists have found an easy and inexpensive way to create flexible films from molybdenum disulfide a versatile chemical compound with edges that are highly efficient catalysts.
and as catalysts for hydrogen evolution reaction (HER) a process used in fuel cells to pull hydrogen from water.
and 70 percent larger current density than platinum-based catalysts The materials required to make the flake-like hybrids are much cheaper too Tour says. he efficiency is better than platinum in terms of oxygen
Unlike other water splitters that use precious-metal catalysts the electrodes in the Stanford device are made of inexpensive and abundant nickel
professor at Stanford university. his is the first time anyone has used non-precious metal catalysts to split water at a voltage that low.
But scientists have yet to develop an affordable active water splitter with catalysts capable of working at industrial scales. t s been a constant pursuit for decades to make low-cost electrocatalysts with high activity
properties from catalysts made with smooth copper in reactions involving carbon dioxide according to the new study.
LED lightingâ##allowing for brighter more efficient lights. hese guidelines should permit the discovery of new and improved phosphors in a rational rather than trial-and-error mannersays Ram Seshadri a professor in the department of materials at University of California
and co-author on the paper. e want to know how nature builds these catalystsâ##from a chemist s perspective these are really strange things. he bacterial catalysts are organized based on precisely clusters of iron and sulfur atoms with side groups of cyanide and carbon monoxide.
which suggests that the general fabrication technique the researchers developed could be used to produce lightweight mechanically robust small-scale components such as batteries interfaces catalysts
Via Motherboard Share Thissubscribedel. icio. usfacebookredditstumbleupontechnorat o
#Since monitoring emails and phone calls wasn t enough, NSA now plans to watch you with super tiny drones Black Hornet Flying insects have one huge advantage over humans:
Google is also increasing the maximum file size to 5tb larger than the largest hard drive on any PC available today.
say a machine that designed to destroy incoming mortar fire such as the U s c-RAM or Germanymantis, is tasked also with destroying the launcher.
It not exactly a gamer rig, with an Atom processor and 2gb of ram and a 32 GB solid state drive,
or hard drives reliant on electrons'intrinsic spin are getting packed into smaller and smaller spaces. The limit was thought to be set:
or China's use of mercury catalysts in the manufacture of plastics. In addition, coal fired power plants, which emit mercury because of its natural presence in coal,
marks another step towards using nucleic acids as a practical way of storing information#one that is more compact and durable than current media such as hard disks or magnetic tape.#"
a well-known reaction combines hydrogen and carbon monoxide gases using commercial catalysts. Methanol also traps a lot of hydrogen (12.5%by weight.
and Lu treat an entire population of cells as an analog hard drive greatly increasing the total amount of information that can be stored
They are taking a closer look at inexpensive catalysts that can help encourage the breakdown of large hydrocarbons
which is entitled"Colloidal Nanoparticles as Catalysts and Catalyst Precursors for Nitrite Hydrogenation"on Thursday 15 january a
Heterostructured nanoparticles can be used as catalysts and in advanced energy conversion and storage systems. Typically these nanoparticles are created from tiny seeds of one material on top of
The transferred device successfully demonstrates fully-functional random access memory operation on flexible substrates even under severe bending.
eliminating adhesion issues that plagued the transfer of platinum catalysts to common electrodes like transparent conducting oxide.
In fuel cells these nanowire arrays can be used to lower production expenses by relying on more cost-efficient catalysts.
or outperform the current use of platinum and show that these nanowire arrays are better catalysts for the oxygen reduction reactions in the cells says Dr. Manashi Nath assistant professor of chemistry at Missouri S&t.
but previous studies determined the material's edges are highly efficient catalysts for hydrogen evolution reaction (HER) a process used in fuel cells to pull hydrogen from water.
touted as a transformational replacement for current hard drive technologies such as Flash, SSD and DRAM. Memristors have potential to be fashioned into nonvolatile solid-state memory
Facile Catalytic Growth on Bifunctional Natural Catalysts and Their Applications as Scaffolds for High-Rate Lithium-Sulfur Batteries.
and high catalytic activity that make them excellent candidates for industrial catalysts. Now, researchers in Singapore have developed a simple chemical process to grow uniform pentagonal nanorods composed of gold and copper.
The nanorods were examined as catalysts for this reaction using the model substrates p-toluene sulphonamide and benzyl alcohol."
and better recyclability compared to commercially available catalysts, "Ying says. Beyond catalysis, Ying predicts these new materials could be useful in electronics, chemical sensing and even biomedicine.
"The paper notes that this in operando approach could be applied in other fields, such as studies of fuel cells and catalysts,
#Chirality-controlled growth of single-walled carbon nanotubes Recently, Professor Li Yan's research team developed a novel strategy to produce single-walled carbon nanotubes with specific chirality by applying a new family of catalysts,
The catalysts, tungsten-based bimetallic alloy nanoparticles of non-cubic symmetry, have high melting points and consequently are able to maintain their crystal structure during the chemical vapor deposition (CVD) process,
The (12,6) SWNTS are synthesized directly at an abundance of>92%by using W6co7 catalysts. Experimental evidence and theoretical simulation reveal that the good structural match between the carbon atom arrangement around the nanotube circumference
"Employing tungsten-based alloy nanocrystals with unique structure as catalysts paves a way for the ultimate chirality control in SWNT growth.
#Metal particles in solids aren't as fixed as they seem memristor study shows In work that unmasks some of the magic behind memristors and"resistive random access memory,
where they enable three-dimensional imaging for a vast array of applicationsranging from biological tissue, technical devices such as catalysts, fossils to antique works of art.
such as the fine structures of cell components or modern catalysts and batteries. Until now, such fine details could only be rendered visible with the aid of electron microscopes
Taox-capped Pt nanoparticles as efficient catalysts for polymer electrolyte fuel cells More information: Covert thermal barcodes based on phase change nanoparticles Scientific Reports 4 Article number:
So basically a Ram Air (Oxygen) induction that is super cooled used to ignite/burn rocket/hydrogen fuel.
I am guessing that due to the need for Ram Air at mach 5. 2 that this thing has to stop engine burn at orbit (due to lack of oxygen)
and then dive back into the atmosphere to reach Ram Air induction speed again? Or am I missing something?
Maybe just takeoff requires Ram and not return? Do not try and bend the spoon.
The Ram air stuff does not work at slow speeds. 3. The diagram shows a LOX pump.
They use the temperature difference between the ram air coming in and the liquid hydrogen to run a closed cycle helium turbine.
says Rajeev Ram, professor of electrical engineering at MIT. His group develops energy-efficient photonics, nd the way we do that is to miniaturize the devices,
Ram lab aims to overcome major hurdles in integrating optical interconnection for microprocessors within existing manufacturing systems. typical microprocessor fab costs between 1 and 3 billion dollars,
Ram says. Making material progressover time, new materials and devices will provide far more powerful integration of photonics on silicon.
#Insights into potential substitutes for costly platinum in fuel cell catalysts Replacing inefficient and polluting combustion engines with fuel cells is not currently feasible
because the cells require platinum-based catalysts. The PNNL study shows how to create particles with a similar reactivity to platinum that replace some of the platinum with Earth-abundant metals.
It may be used to create alloy nanomaterials for solar cells, heterogeneous catalysts for a variety of chemical reactions, and energy storage devices."
"The researchers are now exploring different metal combinations with various platinum ratios to get the desired characteristics for fuel cell catalysts.
Professor Shu Kobayashi's group at the Graduate school of Science has developed highly active immobilized catalysts (heterogeneous catalysts)
and demonstrated simple and highly efficient synthesis of (R)- and (S)- rolipram by an eight-step continuous flow reaction using multiple column reactors containing the immobilized catalysts.
Professor Kobayashi's application of flow chemistry techniques to the production of fine chemicals using heterogeneous catalysts has resulted in simple method to synthesize (R)
and without purification of products from catalysts. Professor Kobayashi says"This new technology can be applied to not only other gamma aminobutyric-acids acids and medicines but also various chemicals such as flavors, agricultural chemicals,
"One purpose of this experiment was to show we could integrate bacterial catalysts with semiconductor technology.
To do that, they need model systems to study nature's best designs, especially the catalysts that convert water and carbon dioxide into sugars at room temperatures."
#Universitat Jaume I Patents Graphene-Based Catalysts for Energy conversion and Storage Researchers at the Universitat Jaume I have developed materials based on graphene that can catalyse reactions for the conversion and storage of energy.
Thus, the patented materials can be used both in the development of catalysts as well as storage batteries or other energy types p
One purpose of this experiment was to show we could integrate bacterial catalysts with semiconductor technology.
especially the catalysts that convert water and carbon dioxide into sugars at room temperatures.""This is not about mimicking nature directly
Random access memory (RAM) is an example of volatile memory. Nonvolatile memory is slow but stable and it continues to store the data even
Engineers led by Stanford have demonstrated a way to create memory that combines the stability of flash memory with the speed of RAM.
Catalysts can split water into its constituent hydrogen and oxygen atoms, a process required for fuel cells.
detailed in Nature Communications, is a significant step toward lower-cost catalysts for energy production, according to the researchers."
We're getting away with very little cobalt to make a catalyst that nearly matches the best platinum catalysts."
Tour said single-atom catalysts have been realized in liquids, but rarely on a surface.""This way we can build electrodes out of it,
He noted platinum-carbon catalysts still boast the lowest onset voltage.""No question, they're the best.
#Single atom alloy platinum-copper catalysts cut costs, boost green technology A new generation of platinum-copper catalysts that require very low concentrations of platinum in the form of individual atoms to cleanly
They synthesized small quantities of realistic catalysts, such as platinum-copper single atom alloy nanoparticles supported on an alumina substrate,
"To our delight, these catalysts worked very well and their performance was steady for many days,
and value-added chemicals from bio-renewable feedstocks, the new, less expensive platinum-copper catalysts could facilitate broader adoption of such environmentally friendly devices and processes,
Together we embarked on a new direction involving single atom alloys as catalysts for selective hydrogenation reactions.
"Sykes and Flytzani-Stephanopoulos have used this approach to design a variety of single atom alloy catalysts that have,
Armed with this knowledge, we are now ready to compare the stability of these single atom alloy catalysts to single atom catalysts supported on various oxide or carbon surfaces.
It is powered by a 1. 5 GHZ dual-core Qualcomm Snapdragon S4 processor paired with 2gb RAM.
CHEAP CATALYST Another key advance is the use of active, inexpensive catalysts for fuel production. The photoanode requires a catalyst to drive the essential water-splitting reaction.
Rare and expensive metals such as platinum can serve as effective catalysts, but in its work the team discovered that it could create a much cheaper,
This catalyst is among the most active known catalysts for splitting water molecules into oxygen, protons,
which is like a computer hard drive, is read, so that the cell switches from a lung cell to a serotonin neuron,
Over the years, hard drives, CDS, DVDS, and solid state memory came along, but tape is still very much a mainstream technology used in backups, disaster replicas,
Both the 11 and 14-inch versions of the Aspire One Cloudbooks are powered by Windows 10, with Intel Celeron processors, 2 GB RAM and 1, 366 x 768 LED
#Snake skin-inspired steel could lead to better hard drives and more When it comes to human phobias,
and researchers at the Karlsruhe Institute of technology (KIT) have figured out how to potentially use that feature to enhance everything from hip prostheses to computer hard disks.
when power is both on and off think of a CD, DVD or hard drive. But computers are limited in their speed by the transmission of electric data between a processor
and is compatible with standard motherboards, servers, operating systems and applications. Memory1 represents a major evolution in server architecture.
"The challenge now is to incorporate these wonderful natural catalysts into materials capable of doing the specific chemical job we need.
the computer must shuttle that information via an electrical signal back and forth across the (relatively) vast inches of wire between the computer's memory (typically a hard drive)
while many of the metal elements in hard drives (or solid state drives) melt at those temperatures, Shulaker said.
Another key advance is the use of active, inexpensive catalysts for fuel production. The photoanode requires a catalyst to drive the essential water-splitting reaction.
Rare and expensive metals such as platinum can serve as effective catalysts, but in its work the team discovered that it could create a much cheaper,
This catalyst is among the most active known catalysts for splitting water molecules into oxygen
#Single atom alloy platinum-copper catalysts cut costs, boost green technology: New generation of catalysts demonstrated for selective hydrogenation of butadiene Abstract:
A new generation of platinum-copper catalysts that require very low concentrations of platinum in the form of individual atoms to cleanly
and cheaply perform important chemical reactions is reported today by Tufts University researchers in the journal Nature Communications.
They synthesized small quantities of realistic catalysts, such as platinum-copper single atom alloy nanoparticles supported on an alumina substrate,
"To our delight, these catalysts worked very well and their performance was steady for many days,
and value-added chemicals from bio-renewable feedstocks, the new, less expensive platinum-copper catalysts could facilitate broader adoption of such environmentally friendly devices and processes,
Together we embarked on a new direction involving single atom alloys as catalysts for selective hydrogenation reactions.
"Sykes and Flytzani-Stephanopoulos have used this approach to design a variety of single atom alloy catalysts that have,
Armed with this knowledge, we are now ready to compare the stability of these single atom alloy catalysts to single atom catalysts supported on various oxide or carbon surfaces.
Researchers are optimistic that the approach can be applied readily to other multimetallic catalysts potentially lowering the cost of catalytic material production.
The Pt3ni nanoframe catalysts achieved a more than 36-fold and 22-fold enhancement in two different measures of catalytic activity (mass and specific activities, respectively) for the oxygen reduction reaction in comparison to state-of-the-art
carbon-supported Pt catalysts (Pt/C) during prolonged exposure to reaction conditions. This work is a significant advance towards developing more efficient electrocatalysts for water-splitting reactions and fuel generation.
and surface composition should be readily applicable to other multimetallic catalysts s
#Plant cell structure discovery could lead to improved renewable materials (Nanowerk News) Major steps forward in the use of plants for renewable materials,
Unlike conventional computers that store data on transistors and hard drives, quantum computers encode data in the quantum states of microscopic objects called qubits.
These catalysts work by binding to carbon dioxide molecules, orienting them in a way that is ideal for chemical reactions.
"We're interested in finding new catalytic reactions that will be more efficient than the current catalysts,
Meanwhile, the researchers are interested in searching for other catalysts that might even outperform their copper tetramer.
These catalysts can be varied in size, composition and support material, which results in a list of more than 2, 000 potential combinations, Vajda said.
and then test the catalysts that seem most promising.""We haven't yet found a catalyst better than the copper tetramer,
As well as offering new opportunities for industry, it will stimulate the search for even better basic catalysts
Catalysts come in multiple forms including: acids, solid metal nanoparticles, and large protein molecules or enzymes in human bodies.
Ninety percent of industrially important chemicals are made using catalysts. It is a major field in applied science;
an extremely useful chemical in industry for making plastics. his study opens a new way for designing metal-based catalysts with complexities, for example, geometry and composition, promoters and poisons, defects,
#Inexpensive new carbon-based catalysts can be tuned fine Researchers at MIT and Lawrence Berkeley National Laboratory have developed a new type of catalyst that can be tuned to promote desired chemical reactions,
Catalysts enhance the rate of a chemical reaction but are consumed not in the process. As a result, the repeated action of very small amounts of a catalyst can have large and long-lasting effects.
By finding a way to make this material tunable in the same ways as molecular catalysts
In addition to their possible uses in fuel cells, such new catalysts could also be useful for enhancing chemical reactions,
These microscopic widgets could be customized into incredibly sensitive chemical detectors or long-lasting catalysts, to name a few possible applications.
DARPA portfolio of neurotechnology programs includes the Restoring Active Memory (RAM) and Systems-Based Neurotechnology for Emerging Therapies (SUBNETS) programs,
he told Motherboard. ur biggest initial worry was about whether it would stay on the tail,
#A Team Of MIT Bartender Robots Serves Beer More Efficiently Using robots, a team at MIT Computer science and Artificial intelligence Laboratory has solved an ancient problem:
Recently, researchers have looked to DNA as a method to store large amounts of digital information that are saved currently on hard drives.
Our hard drives may seem pretty stable for now, but because of what they're made of,
our hard drives can store up to five terabytes of data, encoded with the zeros and ones of binary code.
if the DNA would be able to retain information longer than a hard drive does now
The project, called Restoring Active Memory (RAM), could help people suffering from traumatic brain injury. The Defense department research wing shared both milestones last week at a conference called ait, What?
#The Future Of The DNA Hard drive Back in August at a chemistry conference, the worlds of science fiction and fact merged with the announcement of a technological advancement in data storage.
After all, imagine being able to store the entirety of the world data on one hard drive.
This stability can provide far more than just a hard drive to last the ages. Because DNA is always present in a variety of biological environments
the idea of a personal DNA hard drive within the body may also be possible. According to Dr. Narayan, it already happening at the microbial level. everal years ago researchers built the first self-replicating bacterial cell
There also another reason why this personalized biological hard drive may not be the best option. We do not yet have the technology to read it.
There is little doubt the future of the DNA hard drive is bright. Yet while the biological aspects may be suited perfectly for a variety of applications
For Dr. Narayan, the answer to the future of the DNA hard drive is clear. NA as a medium for archival storage may have place in digital storage.
Catalysts can split water into its constituent hydrogen and oxygen atoms, a process required for fuel cells.
detailed in Nature Communications, is a significant step toward lower-cost catalysts for energy production, according to the researchers. hat unique about this paper is that we show not the use of metal particles, not the use of metal nanoparticles,
Wee getting away with very little cobalt to make a catalyst that nearly matches the best platinum catalysts.
Tour said single-atom catalysts have been realized in liquids, but rarely on a surface. his way we can build electrodes out of it,
He noted platinum-carbon catalysts still boast the lowest onset voltage. o question, theye the best.
#Promising technique improves hydrogen production of affordable alternative to platinum Scientists have demonstrated that microwaves can help create nanostructured molybdenum disulfide (Mos2) catalysts with an improved ability to produce hydrogen.
"The microwave-assisted strategy could be a viable way to design advanced molybdenum disulfide catalysts for hydrogen production
Earth-abundant materials that could provide low-cost alternatives to platinum-based catalysts. Platinum is an extremely efficient catalyst for splitting water into hydrogen and oxygen
Scientists have experimented for decades with a class of catalysts known as zeolites that transform alcohols such as ethanol into higher-grade hydrocarbons.
Instead, an energy-producing"hydrocarbon pool"mechanism allows the zeolite catalysts to directly produce longer hydrocarbon chains from the original alcohols."
and reprogram your hard drive, this virus reprogrammed the genetic machinery of the M1t1 strep into a more virulent form,
and offers great stability. here are many catalysts that are sophisticated considerably more than nickel and often involving obscure and expensive precious metals,
and metal-free catalysts can reduce cost while improving performance,"said Liming Dai, professor of macromolecular science and engineering at Case Western Reserve University and senior author of the study."
or surpassed that of expensive platinum/metal oxide-based catalysts. And, it had better long-term stability.
or outperformed most previously reported metal-free catalysts, even recently developed carbon-based catalysts with metals.
Moving forward, Dai's team has begun to further optimize the process while also investigating other graphitic carbon materials co-doped with different elements for possible use in other energy and environmental technologies.
Dai's lab previously developed carbon-based catalysts that perform comparably or better than more expensive metal-based catalysts used in alkaline and acidic fuel cells and in dye-sensitized solar cells."
"Maybe it's time to push for metal-free catalysts in commercial devices, "Dai said d
#Just hit'print':'Office inkjet printer could produce simple tool to identify infectious disease, food contaminants Consumers are one step closer to benefiting from packaging that could give simple text warnings
Unlike conventional computers that store data on transistors and hard drives, quantum computers encode data in the quantum states of microscopic objects called qubits.
and DNA markers of other disease catalysts, including infectious agents and allergens; 2) integrate the software with larger databases;
"says Chris Chang, an expert in catalysts for carbon-neutral energy conversions.""In our system, nanowires harvest solar energy and deliver electrons to bacteria,
which can be used as catalysts in biorefineries--say, in the production of biofuels--have been produced in the reactor.
Following synthesis, magnets used as catalysts can be gathered efficiently in and recycled back into the process.
paving the way for high-density storage to move from hard disks onto integrated circuits. The advance, to be reported in the Proceedings of the National Academy of Sciences,
These include a computer's hard disk drive where data are stored, and the various kinds of random-access memory,
or RAM, on the integrated circuits of the central processing unit, or CPU, where calculations and logic operations are performed.
"The study links a family of enzymes--molecules that act as biological catalysts--known as polyketide synthases (PKS) directly to a complex series of chemical reactions that ultimately add sulfur to leinamycin, a member of the polyketide family of natural products."
Another key advance is the use of active, inexpensive catalysts for fuel production. The photoanode requires a catalyst to drive the essential water-splitting reaction.
Rare and expensive metals such as platinum can serve as effective catalysts, but in its work the team discovered that it could create a much cheaper,
This catalyst is among the most active known catalysts for splitting water molecules into oxygen
One purpose of this experiment was to show we could integrate bacterial catalysts with semiconductor technology.
especially the catalysts that convert water and carbon dioxide into sugars at room temperatures.""This is not about mimicking nature directly
One purpose of this experiment was to show we could integrate bacterial catalysts with semiconductor technology.
especially the catalysts that convert water and carbon dioxide into sugars at room temperatures.""This is not about mimicking nature directly
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