Draeger Announces New Tubes & CMS Handbook - 15th Edition

...chnical data is subject to modification. Draeger has been developing, producing and distributing devices and systems for detecting and measuring gaseous contaminations at the workplace for over seven decades. The company's colorimetric chemical gas analysis technology for pollutant detection has devel...

Patent pending for pain-free method of monitoring drug levels in transplant patients

...his application," Akhlaghi said. Mass spectrometry is an instrumental method for identifying the chemistry of a substance through the separation of gaseous ions based on their differing mass and charge. Akhlaghi's method is less complicated and less expensive. "This method is very effective for the dru...

An atmosphere rich in CO2 and oxygen enhances the quality of refrigerated potato

...r various controlled atmospheres consistent in O 2 and CO 2 mixtures in variable concentrations. In these studies, the potentiality of the different gaseous combinations to reduce respiratory rates and to minimise colour changes and textural characteristics of the raw material was determined and the guidel...

Facing Deadly Ice Storms, Home Medical Equipment Providers in New England Mobilize to Protect Oxygen Patients

...ortheastern Massachusetts and southern New Hampshire. The company cares for more than 800 oxygen patients who were forced to rely on backup emergency gaseous cylinders provided by HCS following the power failures caused by the New England ice storms on December 11 and 12. "In many cases, home oxyg...

IQAir to Provide U.S. Athletes With Ultra-High Efficiency Air Cleaning at the Beijing 2008 Olympic Games

...ing ultra-fine particles, IQAir's systems will also provide comprehensive gas and chemical filtration. "All large cities suffer from a wide range of gaseous pollutants. These are byproducts of traffic, manufacturing, industry, and other sources," says Hammes." Gases and chemicals require a different type o...

'Rotten eggs' in the blood

...he leading science journal Circulation. The research team has previously shown that H 2 S is produced naturally within our bodies, along with other gaseous molecules such as nitric oxide and that a balance between these gases relates to good health, whereas an imbalance could indicate disease. In the case...

Space sensors shed new light on air quality

...d forecasts from various satellite instruments related to tropospheric trace gas concentrations, aerosol and Ultra Violet radiation. Emissions of gaseous pollutants have increased in India over the past two decades. According to Dr Sachin Ghude of the Indian Institute of Tropical Meteorology (IITM), rap...

US States Get Ready to Fight Mercury Pollution

...roughout the Northeast, mercury contamination has become a growing health concern. Mercury is a metal that occurs naturally. It is released in a gaseous form when coal is burned in electrical generating plants. Smokestack emissions drift across state borders, and the mercury lands far from where i...

Researchers Urge Regulators to Rethink Strategies for Soot Emission

...have in the atmosphere that raises new questions about current regulations. The research found new chemical processes that occur after soot and gaseous pollutants are emitted from cars and trucks, changing the chemical and physical properties of the soot particles and creating new particulate matter. ...

Anaesthetics may Cause Brain Disorder in Elderly

...nd dementia with Lewy body disease using the NMR scan and brain imaging. I do not know in particular what anaesthetics are used in India. However, the gaseous method is popular due to its cost," Mandal told IANS on e-mail. "They may cause harm to elderly people," said Mandal, who is an assistant profe...

gaseous in Medical Technology

Ikaria Completes Dosing of Phase 1a Clinical Study for IK-1001 (Sodium Sulfide) for Injection

...as at high levels, but has demonstrated a biologically protective role when delivered in very low doses. Based upon research on the bioactivity of the gaseous signaling molecule hydrogen sulfide, or H2S, Ikaria is investigating the impact of the sulfide ion, administered as sodium sulfide, in a number of dis...

gaseous in Medical Definition

Nuclear medicine

... involves administration of a radionuclide into the body by injection in liquid or aggregate form, ingestion while combined with food, inhalation in gaseous form or, rarely, injection of a radionuclide that has undergone micro-encapsulation . Some specialist studies require the labeling of a patient's own...

gaseous in Medical Dictionary

Propane

...s a chemical intermediate. ... In rodents exposed to 1,3- propane sultone via gavage (experimentally placing the ... thousand gallon tank holding gaseous propane would provide a ... When propane vapor (gas) is drawn from a tank, some of the ... Propane is nicknamed the ... Compare Cheap Prices...

Liquid nitrogen

...Liquid nitrogen . ... Skin contact with liquid nitrogen can cause tissue freezing, resulting in severe ... Contact with cold liquid or gaseous nitrogen may cause frostbite. ... For scientific, semiconductor, and medical uses, the Rigaku NitroGen provides a self-contained, one-box liq...

In situ

...nium In - Situ Leaching Sites ... ... technology known as in situ gaseous reduction (ISGR) has. been developed to treat soils containing heavy metals and radionuclides in situ . ... In situ gaseous ... Download -- IN SITU -- (En Estudio) Rock / Alternative / music ...

Cyanide

... Cyanide poisoning occurs when a living organism is exposed to cyanide . The cyanide ion, if used as poison, is generally delivered in the form of gaseous hydrogen cyanide or in the form of potassium cyanide or sodium cyanide . cyanide ( ) n. also cyanid Any of various salts or esters of h...

Chlorine

...ct between chlorine and many combustible substances (such as gasoline and ... chlorine n. ( Symbol Cl ) A highly irritating, greenish-yellow gaseous halogen, capable of combining with nearly all other elements, produced History, properties, uses, and handling. ... Chlorine is a respiratory ...

gaseous in Biological News

New sensor detects gaseous chemical weapon surrogates in 45 seconds

Using lasers and tuning forks, researchers at Pacific Northwest National Laboratory have developed a chemical weapon agent sensing technique that promises to meet or exceed current and emerging defense and homeland security chemical detection requirements. The technique, called Quartz Laser Photo-A...

A research work will be the reference to characterize the climatic impact of desert dust

... light on global warming are of great interest. That is the case of the studies on atmospheric aerosol, a suspension of solid or liquid particles on a gaseous environment that can contribute to the warming or cooling of the atmosphere. Juan Luis Guerrero Rascado developed his doctoral thesis "Lidar Tech...

Illinois Soil Nitrogen Test measures microbial nitrogen

... if nitrogen fertilizers are to be used efficiently. The Illinois Soil Nitrogen Test (ISNT) was developed for this purpose, and involves estimation of gaseous ammonia liberated by heating the soil with strong alkali in a Mason jar. Several studies have provided evidence that the ISNT is predictive of yield r...

AGU journal highlights -- March 25, 2009

...d condensation nuclei. To learn more about how soot develops an affinity for water, Khalizov et al. examine the properties of soot aerosols exposed to gaseous sulfuric acid. They find that although fresh soot does not change below water saturation, soot particles exposed to sulfuric acid increase in mass whe...

Water acts as catalyst in explosives

... as a key chemical catalyst. For a molecular high explosive that is made up of carbon, nitrogen, oxygen and hydrogen, such as PETN, the three major gaseous products are water, carbon dioxide and molecular nitrogen. But to date, the chemical processes leading to these stable compounds are not well under...

Engineer devises ways to improve gas mileage

...he pump by reducing the drag of vehicles. Drag is an aerodynamic force that is the result of resistance a body encounters when it moves in a liquid or gaseous medium (such as air). Reduction in drag means less fuel would be required to overcome the fluid resistance encountered by the moving vehicle. Workin...

Geologists map rocks to soak CO2 from air

...ssible," said Krevor. So-called carbon sequestration has become a hot area of research, but so far, most work has focused on storing liquid or gaseous CO 2 underground where there is room: in saline aquifers, depleted oil wells and porous coal seams that are not commercially viable. However, concern...

Texas researchers provide emissions data for livestock industry

...hat on the High Plains, ammonia is more of a regional than a local environmental concern. "Ammonia does not stay in the atmosphere very long in its gaseous form," Auvermann said. "Unless it reacts with other gases to form fine particles, it's gone from the air within a few hours to a few days. And we don'...

Nanotube's 'tapestry' controls its growth

...hanging off the end. Though nanotubes are much-studied, their growth is poorly understood. They grow by "self assembly," forming spontaneously from gaseous carbon feedstock under precise catalytic circumstances. The new research, which appears online this week in the Proceedings of the National Academy o...

UT faculty members win American Heart Association awards for advancing research

... important signaling molecules produced within our body. Dr. Murad's contributions to the field have revolutionized the concept of cell signaling by a gaseous molecule. Potential applications are far-reaching across multiple organ systems. Discovery of this pathway has allowed new therapeutic strategies to c...

gaseous in Biological Technology

Clemson researchers advance nanoscale electromechanical sensors

...thod is fully electrical and uses a small AC voltage to vibrate the cantilever and simple electronics to detect any changes in the vibration caused by gaseous chemical or biological agents," Rao said. "This method enables the development of handheld devices that would beep or flash as they read gas and chemi...

Clemson researchers advance nanoscale electromechanical sensors

...thod is fully electrical and uses a small AC voltage to vibrate the cantilever and simple electronics to detect any changes in the vibration caused by gaseous chemical or biological agents," Rao said. "This method enables the development of handheld devices that would beep or flash as they read gas and chemi...

TVM Capital, Signet Healthcare Partners and Paul Capital Healthcare Enter into euro 26 Million Financing of SpePharm

...apeutic interest." Mr. Labbe continued: "Dantrium is a unique product used to treat malignant hyperthermia, a life-threatening reaction to certain gaseous anesthetics. Dantrium's significant clinical benefit fits perfectly with SpePharm's focus on hospital products that provide substantial medical and ec...

Controlling the size of nanoclusters

...ation, a process that removes sulfur, a pollutant, from natural gas and petroleum products. They made size-selected molybdenum sulfide nanoclusters as gaseous ions, and deposited them on a gold surface, which interacts weakly with the gold support, leaving the nanoclusters intact. "We learned that even th...

Controlling the size of nanoclusters: First step in making new catalysts

...rted in the July 9, 2008 online edition of the Journal of Physical Chemistry C, the scientists made size-selected molybdenum sulfide nanoclusters as gaseous ions, and then gently deposited the clusters on a gold surface. The nanoclusters interact weakly with the gold support and therefore remain intact. ...

More solid than solid: A potential hydrogen-storage compound

...d car is how to design the fuel tank. Storing enough raw hydrogen for a reasonable driving range would require either impractically high pressures for gaseous hydrogen or extremely low temperatures for liquid hydrogen. In a new paper* researchers at the National Institute of Standards and Technologys Center ...

New technique producing small things in large quantities

...is extremely slow and is not suitable for mass production or for producing nanostructures of any desired shape and material. With the right ions and gaseous elements, the nanotech fabrication method can be used to etch a variety of materials and virtually any shape with nanosize dimensions. A standard prin...

Modine Manufacturing makes hydrogen generator with ChevronTexaco

...tive," said Mark Baffa, the director of Modine's Fuel Cell Products Group. "Basically, you have two options. [The first is], you have to deliver it in gaseous form, which needs to be compressed, put in a truck, and shipped to get it from point A to point B. Because it's so light, you're mostly hauling around...

FERMENTATION BASICS

...ecipitated metabolic products. The gaseous phase provides a reservoir for oxygen supply and ...quate gas exchange. Oxygen is the most important gaseous substrate for microbial metabolism, and carbon dioxide is the most important gaseous metabolic product. When oxygen is require...

gaseous in Biological Definition

Absorption spectrum

...ope . The wavelengths of these lines shown are particular to particular elements, and allows for identification of elements present in stars and other gaseous objects that cannot be measured directly. See also Fraunhofer lines spectrometry densitometry compare with emission spectrum...

Leaf

...two different layers of the mesophyll are absent in many aquatic and marsh plants. Even an epidermis and a mesophyll may be lacking. Instead for their gaseous exchanges they use a homogenous aerenchyma (thin-walled cells separated by large gas-filled spaces). Their stomata are situated at the upper surface...

Origin of life

... of tracing today's biochemistry back to ancestral reactions that provide alternative pathways to the synthesis of organic building blocks from simple gaseous compounds. In contrast to the classical Miller experiments, which depend on external sources of energy (e. g. simulated lightning or UV irradiation), ...

gaseous in Biological Dictionary

Plant hormones

...is University) View a general ... PLANT HORMONES . What is a hormone ? ... may not be a feature of plant hormones . ... Ethylene is the only gaseous hormone in the plant world; it is a simple ... A summary of Plant Hormones in 's Plants : Essential Processes. ... The balance between the...

Moneran

...top Encyclopedia, computing dictionary. Organisms that lack a nucleus or other membrane-bounded organelles. ... These moneran symbionts convert gaseous nitrogen from the atmosphere (N2) into ... A set of 4 Moneran genera: Anabaena, Gloeocapsa, Nostoc, and Oscillatoria. ... product/preserved+organ...

Heterocyst

...st are discussed in the following places at Britannica. Assorted References function in nitrogen fixation ( in blue-green algae (organism) ) ...the gaseous nitrogen of the air into compounds that can be used by living cells. Particularly efficient nitrogen fixers are found among the filamentous species ...

Gills

...What you will do in your first GILLS session ... When can you use GILLS ? ... An introduction to the biology of muscles in fish ... Gills : gaseous Respiration in Fish ... Gills are wonderfully well designed, and they have to be because ... ...

Carbon fixation

... Carbon fixation refers to any process through which gaseous carbon dioxide is converted into a solid compound. It mostly refers to the processes found in autotrophs, usually driven by photosynthesis, whereby ...