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Nitrogen in Medical News

Nitrous gases and zinc in the crosshairs

... entries. 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 ...

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Nitrogen in Medical Technology

Results and Additional Analyses From Study Show That Corthera's Relaxin for Acute Heart Failure is the Strongest Predictor of Improved Longer-Term Outcomes Following Hospital Discharge When Compared to Other Variables

... 60-day multivariate analysis, relaxin treatment was the strongest predictor of less CV death or heart failure re-admission (p<0.01). Blood urea nitrogen (BUN) on admission (p=0.02) and WHF during hospitalization (p=0.02) were also significant predictors. Relaxin treatment was the only significant ...

Ongoing Landmark ROADMAP Study Demonstrates Significant Improvement in Blood Pressure Control at One Year, According to Blinded Results

... Function 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 ...

New Data Shows Blood Pressure Reduction Therapy with BENICAR(R) and BENICAR HCT(R) Effectively Reduces Blood Pressure in Elderly Patients to Target Blood Pressure

... Function 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 ...

New Data Shows AZOR(R) (amlodipine and olmesartan medoxomil) Significantly Improves 24-Hour Ambulatory Blood Pressure

... Function 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 ...

Hyperion Therapeutics Announces Results for Phase II Study in 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 waste nitrogen through the renal excretion of phenylacetylglutamine, which is formed from phenylacetic acid and glutamine. Hyperion and Ucyclyd Pharma, Inc., a ...

Ikaria(R) Named Private Company of the Year by New Jersey Technology Council

... discontinuation of INOmax may lead to a worsening condition. Methemoglobinemia is a dose-dependent side effect of inhaled nitric oxide therapy. nitrogen dioxide (NO2) forms rapidly in gas mixtures containing nitric oxide and oxygen, thus may cause airway inflammation and damage. Methemoglobin, NO2, ...

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Nitrogen in Medical Products

Urea Nitrogen (BUN) Liquid Reagent

Description:... Urea nitrogen (BUN) liquid reagent is used for the kinetic quantitative determination of Urea nitrogen (BUN) in human serum used in routine examination and monitoring of therapy ...
Company:Teco Diagnostics

Urea (BUN)

Description:... The BUN method used on the Dimension clinical chemistry system is an in vitro diagnostic test intended for the quantitative determination of urea nitrogen in serum, plasma and ....
Company:Randox Laboratories Ltd.

Pyrex brand blood chemistry (Ostwald-Folin) pipette, color-coded, Class A

Description:... The short and compact design makes this pipette useful for total nitrogen determination, urea and ammonia in urine, and blood serum tests. They are calibrated "To Deliver" by blowing out the last drop. Comp Dim: L 275 mm ...
Company:Sigma-Aldrich

TurboVap 500 Concentration Workstation

Description:... The TurboVap Concentration Workstations from Caliper provide an automated alternative to Kuderna-Danish, Rotary, Vacuum-Style and nitrogen Blow-Down Evaporators. For over ten years TurboVap concentration technology has received enormous acclaim with over 4,000 units in use around the ...
Company:Caliper Life Sciences

TurboVap II Concentration Workstation

Description:... The TurboVap Concentration Workstations from Caliper provide an automated alternative to Kuderna-Danish, Rotary, Vacuum-Style and nitrogen Blow-Down Evaporators. For over ten years TurboVap concentration technology has received enormous acclaim with over 4,000 units in use around the ...
Company:Caliper Life Sciences

TurboVap 96 Concentration Workstation

Description:... The TurboVap Concentration Workstations from Caliper provide an automated alternative to Kuderna-Danish, Rotary, Vacuum-Style and nitrogen Blow-Down Evaporators. For over ten years TurboVap concentration technology has received enormous acclaim with over 4,000 units in use around the ...
Company:Caliper Life Sciences

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Nitrogen in Medical Dictionary

BUN

... ] ... BUN Definition: BUN ( blood urea nitrogen ) is a test that measures the amount of urea nitrogen (a breakdown product of protein metabolism ) in the blood . BUN ( Blood Urea nitrogen ) Test What is the BUN test? The blood ...

Creatinine

... levels of serum creatinine or blood urea nitrogen , which indicate decreased kidney function ... blood chemicals, such as creatinine and urea nitrogen . Additional tests may be necessary to determine ... Two of the most common toxins are urea, a nitrogen waste product, and creatinine . The amount of ...

Cryosurgery

... genital warts by freezing them with liquid nitrogen . Cryosurgery is a treatment that uses an ... doctor uses very cold material, such as liquid nitrogen spray, or a cold probe to freeze and destroy ... Cryosurgery -- An instrument sprays liquid nitrogen onto the skin , freezing and destroying the ...

Liquid nitrogen

... Liquid nitrogen : nitrogen in a liquid state. Liquid nitrogen is supercool -- about 200 degrees Celsius (320 ...

Urea nitrogen

... Blood urea nitrogen : Abbreviated BUN . A measure primarily of the ... For: search help ... The blood urea nitrogen ( BUN ) test is a test of how well your kidney s are working. It measures the amount of nitrogen in your blood . ...

Decompression Sickness

... by a rapid decrease in atmospheric pressure, resulting in the release of nitrogen bubbles into the body tissue s. Decompression Sickness Alternate ... bends ") occurs during ascent and on the surface of the water when inert nitrogen gas dissolved in body tissue s and blood comes out of solution and ...

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Nitrogen in Biological News

Urban water ecology at the ESA annual meeting

... high levels of organic minerals in this case, nitrogen and phosphorous that originated from the sewage ... mosquitoes feed on microorganisms that require nitrogen and phosphorous to grow," Chaves says. "This ... through gill-like structures, so excess nitrogen and phosphorous could be toxic to them. Mosquito ...

Ozone, nitrogen change the way rising CO2 affects Earth's water

... carbon dioxide and ozone in the atmosphere and of nitrogen in the soil are likely to have an important but ... States when models account for changes in soil nitrogen levels and atmospheric ozone exposure. "Failure to consider the effects of nitrogen limitation and ozone on photosynthesis can lead ...

Fish on the menu of our ancestors

... protein collagen, using ratios of the isotopes of nitrogen and sulphur in particular, can show whether such ... Evolutionary Anthropology explains "Carbon and nitrogen isotope analysis of the human and associated ... a diet high in animal protein, and the high nitrogen isotope values suggest the consumption of ...

Nitrogen research shows how some plants invade, take over others

... how plants can change "nitrogen cycling" to gain nitrogen and how this allows plant species to invade and ... and hold on to nitrogen. Biologists know that nitrogen is crucial to plant growth that invasive species ... and PhD candidate Ramesh Laungani studied the nitrogen pool and fluxes in the ecosystem that included ...

Study highlights massive imbalances in global fertilizer use

... and human health have been substantial. nitrogen runoff from farms has contaminated surface and ... acre grew 98 percent between 1977 and 2005, while nitrogen fertilizer use increased a dramatic 271 percent, ... farmers in north China use about 525 pounds of nitrogen fertilizer per acre (588 kilograms per hectare) ...

Scientists sequence genome of the N2-fixing, soil-living bacterium Azotobacter vinelandii

... as a model study organism for investigation of nitrogen fixation and other biochemical processes. It will ... lives in soil and has the ability to convert nitrogen from the atmosphere into ammonia via bacterial enzymes called nitrogenases. nitrogen fixation is essential for life since different ...

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Nitrogen in Biological Technology

Yaupon Therapeutics Completes Patient Enrollment for Pivotal Phase 2 Study of Clearazide for Treatment of Cutaneous T-cell Lymphoma

... Clearazide Clearazide is a topical form of nitrogen mustard, an alkylating agent that works by inhibiting DNA replication. nitrogen mustard has also demonstrated activity in other ... dating back to the 1950s. To date, topical nitrogen mustard has only been available through ...

Bion Announces PENNVEST Board Approves $7.8 Million Financing for Kreider Farms Dairy Project

... facility at Kreider Farms that will reduce both nitrogen and phosphorous emissions to the Chesapeake Bay ... them comply with their own discharge limits for nitrogen and phosphorous." The complete press release ... onto neighboring lands, which simply advances the nitrogen molecule's travels towards the Chesapeake Bay. A ...

Carbon molecule with a charge could be tomorrow's semiconductor

... one of the 80 atoms of carbon with an atom of nitrogen (providing Y2@C79N). This change leaves the nitrogen atom with an extra electron. Dorn discovered that the extra electron, instead of being on the nitrogen atom on the fullerene cage surface, ducks inside ...

International team of scientists discover clue to delay of life on Earth

... is used by some bacteria to convert the element nitrogen from a gas in the atmosphere to a form useful for living things a process known as nitrogen fixation. Bacteria cannot fix nitrogen efficiently when they are deprived of molybdenum. ...

Environmental Operating Solutions Completes Initial Tranche of $2.5 Million Institutional Financing

... and environmental impact of removing pollutant nitrogen in wastewater; advance R&D on existing and new ... line of liquid carbon products that remove nitrogen from wastewater. EOS will use the second tranche ... product development. Excessive accumulation of nitrogen in surface and groundwater is an ecological and ...

New nanostructured thin film shows promise for efficient solar energy conversion

... and China that created a thin film doped with nitrogen and sensitized with quantum dots. When tested, ... They doped the titanium dioxide lattice with nitrogen atoms. To this thin film, they chemically linked ... material offered a combination of advantages. nitrogen doping allowed the material to absorb a broad ...

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Nitrogen in Biological Products

cGMP Safe Deposit Facility from European Collection of Cell Cultures (ECACC)

Description:... lines are stored in vapour phase above a liquid nitrogen reservoir. The ampoules are placed within an ... facility which is one of the largest liquid nitrogen repositories in Europe. The facility can accommodate 50 liquid nitrogen storage vessels each containing up to 25,000 ...
Company:European Collection of Cell Cultures (ECACC)

Tubing Prep Station, 100-120 V from Bio-Rad

Description:... support cylinder, power cord, O-rings, tubing prep unit, 12 foot Nalgene nitrogen regulator hose, two 0.1875 inch barb-to-male Luer-Lok fittings, nitrogen flowmeter fitting, 2.125 inch barb-to-male Luer-Lok fitting, one 0.078125 ...
Company:Bio-Rad

Chicken Anti-DCTD (dCMP deaminase) Polyclonal Antibody, Unconjugated from GenWay Biotech, Inc.

Description:... Dna Polymerase; Purine Metabolism; Nucleotide Sugars Metabolism; Esterases; Glycosyltransferases; Cell Division; Ligases; Acid Anhydride Hydrolases; nitrogen Tissues: Intracellular; Blood Cells; Leukocyte; Lymphocytes; Cytoplasm; Spleen; Serum; Lymphoma; Plasma; Bone Marrow; Fibroblast; T-Cell; Tonsil; ...
Company:GenWay Biotech, Inc.

White 2" Freezer Storage Boxes With 9 x 9 Grid from PGC Scientifics

Description:... sized to fit various storage racks. Four vibrant colors allow for color coding to project, user, lab, etc. Holes in the bottom allow liquid nitrogen drainage or promote cool air circulation. Supplied with 9 x 9 (12.7 mm cell) grid which holds 81 tubes. Box dimensions: 13 x 13 x 5.1 cm H (5 1/4 x ...
Company:PGC Scientifics

White 2" Freezer Storage Boxes With 10 x 10 Grid from PGC Scientifics

Description:... sized to fit various storage racks. Four vibrant colors allow for color coding to project, user, lab, etc. Holes in the bottom allow liquid nitrogen drainage or promote cool air circulation. Supplied with 10 x 10 (11.6 mm cell) grid which holds 100 tubes. Box dimensions: 13 x 13 x 5.1 cm H (5 ...
Company:PGC Scientifics

4" Riser for 16" Tanks (for use with 4000108 and 4000109) from Thermo Scientific

Description:... various heights to accomodate a variety of inventory solutions. Risers are used to creat a false bottom in which the tanks platform rests and Liquid nitrogen is stored ....
Company:Thermo Scientific

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Nitrogen in Biological Definition

Amine

... Amines are organic compounds containing nitrogen as the key atom in the amine functional group. ... by alkyl groups or other groups where the nitrogen is bonded to a carbon atom in the group (groups ... However, if any of the carbons bonded to the nitrogen is part of a carbonyl group, then the compound is ...

Bacterium

... . Other nutritional requirements include nitrogen , sulfur , phosphorus , vitamins and ... microorganisms help in the transformation of nitrogen to ammonia with enzymes secreted by these ... Some bacteria are able to use molecular nitrogen as their source of nitrogen, converting it to ...

Bacterium

... . Other nutritional requirements include nitrogen , sulfur , phosphorus , vitamins and ... microorganisms help in the transformation of nitrogen to ammonia with enzymes secreted by these ... Some bacteria are able to use molecular nitrogen as their source of nitrogen, converting it to ...

Metabolism

... 1.3 Anabolism 1.4 Drug metabolism 1.5 nitrogen metabolism 2 History 3 See also ... system Alcohol metabolism nitrogen metabolism nitrogen metabolism includes the pathways for turnover ...

Osmoregulation

... animals 5 Vertebrate excretory systems 5.1 Waste products of nitrogen metabolism 5.2 How osmoregulation is achieved in vertebrates 6 ... excretory system . Vertebrate excretory systems Waste products of nitrogen metabolism Ammonia is a toxic by-product of protein metabolism and is ...

Pyrimidine

... , which is similar to benzene and pyridine and that contains two nitrogen atoms at positions 1 and 3 of the six-membered ring. Three ... form hydrogen bonds. See also Pyrazine , an analog with the nitrogen atoms in positions 1 and 4. Simple aromatic rings ...

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Nitrogen in Biological Dictionary

Urea

... urea is therefore classified as non-protein nitrogen (NPN) ... Alibaba - Urea : Urea ... of kidneys, either man ... Urea is used as a nitrogen release fertilizer as it hydrolyses back to 2NH2 ... Database. 2 - Athena ... A blood urea nitrogen (BUN) test measures the amount ...

Rhizobia

... Rhizobia are soil bacteria that fix nitrogen (diazotrophy) after becoming established inside ... in New Zealand Rhizobia ... Rhizobia fix nitrogen from the atmosphere and provide this nutrient to ... basic botanical terms, R. ... The rhizobia fix nitrogen (from atmospheric nitrogen) for the plant and ...

Nitrogenous base

... as a base to the lone pair of electrons of a nitrogen atom. Notable nitrogenous bases include purine ... Nucleotides are named after which of the four nitrogen bases it has. ... The nitrogenous base ... (G) ... Order Difco Yeast Extract Difco Yeast nitrogen Base ... DIFCO Yeast Extract and DIFCO Yeast ...

Heterocyst

... stagnale and Anabaena sperica, during nitrogen starvation. They fix nitrogen from dinitrogen (N2) in the air using the enzyme ... to provide the cells in the filament with nitrogen for ... Aspects of the topic ...

Urea cycle

... urea cycle occurs in some genetic disorders (inborn errors ... The nitrogen metabolism page provides a discussion of overall nitrogen homeostasis, the production urea for disposal of waste nitrogen, and the ...

Anabaena

... cyanobacteria, or blue-green algae, found as plankton. It is known for its nitrogen fixing abilities, and they form symbiotic relationships with certain ... to go up : ana-, ana ... Anabaena fixes nitrogen; it takes nitrogen gas from the air and binds it into protein molecules. ... Anabaena is ...

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