Nitrous gases and zinc in the crosshairs
These include revised assessments of nitrogen
monoxide and nitrogen
dioxide. These gases are produced during ... other things, they cause acid rain. Oxides of nitrogen
are used in the industrial production of ....
Pennsylvania DEP Releases Evaluation of Air Quality Program
... reducing harmful pollutants and emissions such as nitrogen
oxides, sulfur dioxide, ground-level ozone, ... as being a major force in reducing the amounts of nitrogen
oxide and sulfur dioxide emissions. The U.S. ... of air pollution have reduced emissions of nitrogen
oxides by 35,331 tons; volatile organic matter by ...
NOAA and Louisiana scientists predict largest Gulf of Mexico 'dead zone' on record
... summer is due to a combination of large influx of nitrogen
and exceptionally high flows from the Mississippi ...
Research indicates that the nearly tripling of nitrogen
levels into the Gulf over the past 50 years from ... models are useful in evaluating the influence of nitrogen
loads and other factors on the size of the dead ...
Climate change could impact vital functions of microbes
... release from the soil. What she found was that nitrogen
levels in the soil increased as temperatures rose, and nitrogen
tends to suppress fungal decomposition rates.
... as temperatures increase we tend to see greater nitrogen
availability in the soil. ...
World fertilizer prices continue to soar, scientists stress need for fertilizer efficiency
... Province, Chinaa major production area for nitrogen
and phosphorus fertilizersare yet to be ... the country, effective April 20. New tariffs on nitrogen
fertilizers are 130% through September. Tariffs ... ton.
The price of urea, the worlds most common nitrogen
fertilizer, rose from about $277 to $405 per ton ...
U.S. Air Pollution Standards Don't Protect Asthmatic Kids
... as sulfur dioxide, airborne fine particles, and nitrogen
dioxide. The study also found that higher nitrogen
dioxide levels and higher levels of fine ... asthma-related school absences, and that higher nitrogen
dioxide levels were associated with an increase ...
Air pollution affects respiratory health in children with asthma
... sulfur dioxide, airborne fine particles, and nitrogen
dioxide. Higher nitrogen
dioxide levels and higher levels of fine ... school absences related to asthma, and higher nitrogen
dioxide levels were associated with more asthma ...
Smog's Origins Get Clearer
... which involves reactions between water vapor and nitrogen
dioxide (NO2) in "excited" states -- was long ... the interaction of sunlight with hydrocarbons and nitrogen
oxides from vehicle exhaust. Ozone is produced ... UCSD team found that the reaction between excited nitrogen
dioxide (NO2) and water vapor also plays a ...
Locomotive and Marine Diesel Engines Clean Up Will Save Lives
... less particulate matter and 80 percent less nitrogen
Particulate pollution shortens the lives of tens of thousands of Americans
each year and nitrogen
oxide is a major pollutant and a key component ... key areas,
including requiring the locomotive nitrogen
oxide standards in 2015, two
years earlier than ...
Large source of nitrate, a potential water contaminant, found in near-surface desert soils
... desert landscapes.
Nitrate, a water soluble nitrogen
compound, is a nutrient essential to life. It is ... and soil bacteria, which convert atmospheric nitrogen
into nitrate that is usable by plants and other ... (and saltier) with time.
After water, nitrogen
is the most limiting factor in deserts, affecting ...
Is your drinking water safe?
... and animals."
Nitrate-nitrogen is a form of nitrogen
that is naturally occurring in most soils. nitrogen
fertilizers added to the soil for crop production ... will help form recommendations on how to manage nitrogen
fertilizers in sensitive watershed areas," ...
Melting snow provides clues for acidification
... are the dominant dissolved forms of sulfur and nitrogen
in precipitation. In winter, these acidic agents ... showing that biological cycling of sulfur and nitrogen
persists in cold weather, despite below freezing ... growing awareness of winters role in sulfur and nitrogen
cycling, many questions remain unanswered. In ...
Space sensors shed new light on air quality
... the contribution of satellite data in monitoring nitrogen
dioxide in the atmosphere and to present the ... need to know the hardest hit regions.
dioxide (NO2) data acquired from 1996 to 2006 by ... valuable information to improve estimates of nitrogen
dioxide emissions as well as to identify the ...
Human Urine Safe, Productive Fertilizer
... It's loaded with nitrogen
and shouldn't pose health risk, experts say ... that finds human urine to be a great source of nitrogen
and other minerals.
The "yuck" factor aside, ... and cucumbers, the study said. "We assume the nitrogen
contents of human urine could be a good ...
Less Smog Now in Eastern U.S.: EPA
... FRIDAY, Sept. 28 (HealthDay News) -- Emissions of nitrogen
oxides (NOx) from power plants, cars and other ... Environmental Protection Agency (EPA), summertime nitrogen
oxide emissions were 7 percent lower than in ... Johnson said. By 2015, the program will cut nitrogen
oxide emissions by 60 percent and sulfur dioxide ...
Simulating kernel production influences maize model accuracy
... of plant growth and the amount of carbon and nitrogen
maize plants accumulate each day. While this ... hybrids, eight population densities, and seven nitrogen
levels. The Modified version of CERES-Maize ... by the ability of the plant to supply carbon and nitrogen
to the ear, Westgate said. By taking into account ...
Remote-control closed system invented for inserting radio-active atoms inside fullerenes
... trapped and the resulting beer-colored solution contains Lu atoms bound to nitrogen
inside of fullerenes. This radiolabeled nanomaterial is then further ... (Lu3N@C80) in other words, three atoms of Lu attached to a nitrogen
atom inside an 80-atom carbon molecule cage. Once the apparatus is at VCU, ...
Hyperion Therapeutics Announces Results of Phase I Study in Patients With Liver Cirrhosis
... acid (PAA) and then to phenylacetylglutamine (PAGN). PAGN mediates waste nitrogen
excretion and ammonia removal. The extent of plasma exposure to PAA ... potential alternative pathway to the urea cycle for the disposal of waste nitrogen
through the renal excretion of phenylacetylglutamine (PAGN), which is ...
CSA Medical, Inc. Announces Launch of New Web Site for Spray Cryotherapy
... technology platform that allows physicians to deliver supercool liquid nitrogen
spray to freeze and destroy unwanted tissue in the body. The updated site ... The CryoSpray Ablation system uses a patented technology to deliver liquid nitrogen
through a catheter in a standard endoscope. This system of repetitive ...
PA Governor Rendell Announces $94 Million Investment in Water Infrastructure
... livestock waste treatment facility at Kreider Farms that will reduce both nitrogen
and phosphorous emissions to the Chesapeake Bay watershed. The project is ... Bay watershed to help them comply with their own discharge limits for nitrogen
PENNVEST DRINKING WATER PROJECTS:
California Rules to Cut Diesel Truck Pollution Called Most Sweeping in U.S.
... newer trucks to meet EPA's latest engine standards can reduce smog-forming nitrogen
oxide up to about 90%. The state is offering truckers more than $1 billion ... but they produce more than double the amount of the particulate matter and nitrogen
oxide from all of the state's 20 million passenger cars and trucks.
EPA Recognizes Fort Wayne Community Schools for Reducing Diesel Emissions From Its School Buses
... for everyone, especially children.
Diesel exhaust contains nitrogen
oxides, fine particles (soot) and air
oxides are precursors of ozone (smog), and, when breathed,
fine particles ...
Hyperion Therapeutics Announces Enrollment of First Patient in Phase 2 Clinical Trial in Patients With Hepatic Encephalopathy
... and glycine respectively to
provide an alternative route to urea for waste nitrogen
excretion and thus
attenuate the risk of ammonia and glumatine-induced ... (R) can help prevent the re-accumulation of ammonia by increasing
excretion. Treatment of hyperammonemia also requires ...
Purdue lab works to improve conditions at indoor swimming pools
... Findings indicate that some inorganic disinfection byproducts containing nitrogen
that are subjected to ultraviolet radiation break down to "more or less ... as laughing gas.
"Currently, we know where about 75 percent of the nitrogen
goes, and we think we know where most of the rest of it goes, but we need ...
EPA Awards $154,848 Grant to Canton Local School District for Clean School Bus Project
Diesel emissions contain large amounts of nitrogen
oxides and fine
particles (soot). nitrogen
oxides are precursors of ozone (smog), which is
a lung irritant, and fine ...
To what extent can environmental pollutants and alcohol affect GI health?
... Montreal, Quebec. Data from Environment Canada's National Air Pollution Surveillance were used to determine the hourly levels of ozone (O 3 ), nitrogen
dioxide (NO 2 ), sulphur dioxide (SO 2 ), carbon monoxide (CO) and particulate matter of varying sizes (PM10 & PM2.5).
The investigators ...
AZOR(R) Receives FDA Approval as First-Line Treatment for High Blood Pressure
In studies of ACE inhibitors in patients with unilateral or bilateral renal artery stenosis, increases in serum creatinine or blood urea nitrogen
(BUN) have been reported. There has been no long-term use of olmesartan medoxomil in patients with unilateral or bilateral renal artery stenosis, but ...
Max Muscle Sports Nutrition Offers Support for Hydroxycut Recall
... so misunderstood and why so many who start diets in the hopes of losing weight, fail miserably."
"The secret is maintaining positive nitrogen
balance throughout the day. Translation: protein every 3 to 4 hours. Now how does someone with a busy family schedule do this? That's the easy part ...
Air Pollution Exposure May Slow Fetal Growth
... in particulate matter of 4 micrograms per cubic meter during the first and third trimesters of pregnancy. Each 10 parts per billion increase in nitrogen
oxide exposure was also associated with a large increase in the risk of a small birth-weight baby.
The findings suggest that traffic pollution or ...
What's in your water?: Disinfectants create toxic by-products
... that currently EPA uses," he said.
Plewa said that the second discovery concerns nitrogen-containing DBPs. "Disinfectant by-products that have a nitrogen
atom incorporated into the structure are far more toxic and genotoxic, and some even carcinogenic, than those DBPs that don't have nitrogen. And ...
Climate change reduces nutritional value of algae
... ordinary air or with air containing an elevated concentration of CO2. The researchers then examined the ratio between the important elements carbon, nitrogen
First link in the food chain
The micro-algae grew faster at a higher CO2 concentration, exactly as the researchers had ...
Helium helps lung patients breathe easier
... their breathing and further helps to reduce the shortness of breath these patients commonly suffer from. Standard air is generally made up of 78% nitrogen
and 21% Oxygen with just a trace of Helium.
In the study, individuals with COPD breathed either the helium/oxygen mix or air during cycling ...
OxygenToGo Is Poised To Help Airlines Struggling With New Portable Oxygen Concentrator Regulations From The U.S. DOT
... fees directly to the passenger, removing the airline from all financial or logistical burdens.
A portable oxygen concentrator filters nitrogen
out of the surrounding air, providing a concentrated flow of oxygen to the user. The Federal Aviation Administration and the Transportation Security ...
Best New Product Awards Winners Named at Molecular Medicine Tri-Conference
... labeled peptide standards, Mass Spectrometry becomes an absolute quantitation (AQUA) method. With a choice of heavy hydrogen (2H), carbon (13C), or nitrogen
(15N)-isotopes specifically labeled at single, multiple or universal positions, ClearPoint™ peptides are an ideal solution for absolute protein ...
Environmental Defense Fund Welcomes EPA Clean Air Standards to Reduce Hazardous Diesel Pollution
... fuel can more than halve emissions.
In June 2006, EPA finalized protective standards for new stationary diesel engines that will reduce nitrogen
oxides, particulate matter and other pollutants from each new engine by about 90 percent. EPA's proposal today, addressing existing stationary ...
An atmosphere rich in CO2 and oxygen enhances the quality of refrigerated potato
... the Monalisa variety stored under refrigeration at 4 C over a period of 14 days).
No new gas was introduced during the trials (basically oxygen, nitrogen
and carbon dioxide), limiting the modifications to changes in the percentages of the gases. Efforts were focused on marking out the combinations of ...
SeQual Technologies is Awarded the U.S. Army Airworthiness Certification
... purification, oxygenation for aquaculture, producing feed gas for ozone generators, or for any other processes needing high-purity, dry oxygen or nitrogen
on site. SeQual is a private company based in San Diego.
For more information, see www.sequal.com .
Hyperion Therapeutics Completes Phase 2 Data Analysis and Schedules End of Phase 2 Meeting With FDA for HPN-100 in the Chronic Treatment of Urea Cycle Disorders
... acid synthetase. HPN-100, which is dosed orally in liquid
form, provides an alternative pathway to the urea cycle for the disposal of
through the renal excretion of phenylacetylglutamine, which
is formed from phenylacetic acid and glutamine.
BUPHENYL(R) is ...
CSA Medical, Inc. Appoints President
... medical device. The device allows physicians to use endoscopes
to quickly and easily spray supercool (-196 degrees C) liquid nitrogen
unwanted tissues deep inside the body. Mr. Schaefer's additional
responsibilities for the growth and operations of the company will ...
New Therapy Freezes Out Esophageal Cancers
... said in a UT Southwestern news release.
In this U.S. Food and Drug Administration-approved treatment, a special catheter is used to spray liquid nitrogen
on the damaged tissue to freeze the lining of the esophagus. The treated tissue falls away, allowing normal cells to grow and replace the damaged ...