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Nitrogen in Medical News

Human Induced Nitrogen Deposition Increasing Carbon Sequestration in Forests

Human induced nitrogen deposition is indirectly "fertilizing" forests, increasing their growth and sequestering major amounts of carbon, a joint study by scientists from 10 universities in the US, Canada and Europe, has revealed. Researchers say the findings paint a more complex view of the carbon...

Nitrous gases and zinc in the crosshairs

...w entries. These include revised assessments of nitrogen monoxide and nitrogen dioxide. These gases are produced during combustio...ngst other things, they cause acid rain. Oxides of nitrogen are used in the industrial production of nitrites....

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 purif...tallofullerenes (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

...ic acid (PAA) and then to phenylacetylglutamine (PAGN). PAGN mediates waste nitrogen excretion and ammonia removal. The extent of plasma exposure to PAA signifi...a potential alternative pathway to the urea cycle for the disposal of waste nitrogen through the renal excretion of phenylacetylglutamine (PAGN), which is forme...

To what extent can environmental pollutants and alcohol affect GI health?

...owntown 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 determine...

AZOR(R) Receives FDA Approval as First-Line Treatment for High Blood Pressure

...l 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 ...
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

...he 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 vari...

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

...l 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

...l 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

...l 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

...osuccinic 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

...Abrupt 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, and...
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 and relapses....
Company:Teco Diagnostics

Urea Nitrogen (BUN) Color Reagent

Description: For the direct colorimetric determination of Urea Nitrogen (BUN) in human serum or plasma....
Company:Teco Diagnostics

Blood Urea Nitrogen

Description: ARUP Laboratories is a national reference laboratory and a worldwide leader in innovative laboratory research and development. ARUP offers an extensive test menu of highly complex and unique medical tests in clinical and anatomic pathology. Owned by the University of Utah, ARUP Laboratories' client...
Company:ARUP Laboratories

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 urine....
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 Co...
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 worl...
Company:Caliper Life Sciences

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Nitrogen in Medical Dictionary

Urea nitrogen

The blood urea nitrogen (BUN) test is a measure of the amount of nitrogen in the blood in the form of urea , and a measurement of renal function. Urea is a substance secreted by the liver, and removed from the blood by the kidneys. Urea or carbamide is an organic compound wit...

Liquid nitrogen

Liquid nitrogen is a liquefied atmospheric gas produced industrially in large quantities by fractional distillation of liquid air. It is pure nitrogen in a liquid state at a very low temperature. Liquid nitrogen is a... Nitrogen is a chemical element that has the symbol N and atomic...

Wart removal

...t or other physician is the most ... ... things that can be as embarressing as a wart . And as far as warts go, the absolute worst ... Liquid nitrogen is another wart removal technique that is popular. ... Wart removal methods Warts are a type of infection caused by viruses in the ... ...

Urea Cycle

.... A urea cycle disorder is a genetic disorder caused by a ... The nitrogen metabolism page provides a discussion of overall nitrogen homeostasis, the production urea for disposal of waste nitrogen, and the ...

Tryptophan

... cheese, milk, brown rice, peanuts, ... Information about tryptophan , an essential amino acid necessary for normal growth in infants and for nitrogen balance in adults. Find out why everyone wants to take a nap after the big Thanksgiving Day feast. ... Tryptophan also can be metabolized into ...

Prerenal azotemia

...gely related to insufficient filtering of blood by the... Prerenal azotemia - Overview, Prerenal azotemia is an abnormally high level of nitrogen ... Prerenal azotemia is the most common form of kidney failure in ... Prerenal azotemia - Treatment, Prerenal azotemia is an abnorm...
Nitrogen in Biological News

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

Through a recent modeling experiment, a team of NASA-funded researchers have found that future concentrations of carbon dioxide and ozone in the atmosphere and of nitrogen in the soil are likely to have an important but overlooked effect on the cycling of water from sky to land to waterways. T...

Illinois Soil Nitrogen Test measures microbial nitrogen

MADISON, WI, May 4, 2009--Contrary to the prevailing view, cereal crops derive the majority of their nitrogen from the soil, not fertilizer. Soils differ considerably in microbial activities that determine nitrogen-supplying power, and these differences must be taken into account if nitrogen ferti...

Tree species composition influences nitrogen loss from forests

MADISON, WI, MARCH 16, 2009--Throughout the world, nitrogen compounds are released to the atmosphere from agricultural activities and combustion of fossil fuels. These pollutants are deposited to ecosystems as precipitation, gases, and particles, sometimes many hundreds of miles downwind of their ...

Researchers call for nitrogen and phosphorus reductions to combat eutrophication in aquatic systems

An international group of scientists is renewing calls for policymakers to reduce both nitrogen and phosphorus when attempting to alleviate eutrophication or nutrient pollution problems in fresh and coastal waters. In the February 20 edition of Science , the researchers argue that dual-nutrient...

Cropland diversity reduces nitrogen pollution

Researchers have identified a link between the diversity of crops grown in farmlands and the pollution they create in lakes and rivers. In a Frontiers in Ecology and the Environment e-View paper, ecologists show that when the biodiversity of crops is high, less dissolved nitrogen is found exitin...

Lichens function as indicators of nitrogen pollution in forests

Scientists have found lichens can give insight into nitrogen air pollution effects on Sierra Nevada and San Bernardino mountain ecosystems, and protecting them provides safeguards for less sensitive species. Their findings are presented this month in the international journal Environmental Poll...

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Nitrogen in Biological Technology

Monsanto and Evogene Collaborate on Nitrogen Use Efficiency Research

ST. LOUIS and REHOVOT, Israel, Sept. 25 /PRNewswire-FirstCall/ -- Monsanto Company (NYSE: MON ) and Evogene Ltd. (TASE: EVGN) today announced a collaboration to improve nitrogen use efficiency in corn, soybeans, canola and cotton. Under the agreement, Monsanto gains exclusive rights to a numb...

New clues about a hydrogen fuel catalyst

...ing Atoms One at a Time The results suggested that the active catalyst picks off hydrogen from a particular spot on the ammonia borane molecule: a nitrogen atom in the molecule holding onto two hydrogen atoms. First, the catalyst plucks one hydrogen atom off. This is the hardest part of the reaction, said...

Aztech Controls Introduces Standardized Gas Sticks for Semiconductor Tool Hook Up

...ended for high purity services and lower purity compressed dry air (CDA) or nitrogen (N2), from 1 to 1500 standard liters per minute (slpm). Typical gases include are Oxygen (O2) , Hydrogen (H2), Helium (He), Argon (Ar), nitrogen and all other non-toxic/corrosive gases, however Aztech is capable of build...

Prof. Mario Tredici Shared Views on Algae Projects with Algae Business Players at Algae World!

...ected them to a battery of tests to increase their lipid and biomass yields. Using a combination of laboratory tests and outdoor tests, he reveals how nitrogen starvation can increase algal lipid productivity. Prof. Tredici's also highlights areas of weakness, fundamental assumptions and misinformation on...

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

...out 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 T-...tology dating back to the 1950s. To date, topical nitrogen mustard has only been available through unapproved...

A breakthrough toward industrial production of fluorescent nanodiamonds

...diamond nanocrystals, produced by the diamond industry, with electron or ion beams to create vacancies in the crystal lattice. Isolated substitutional nitrogen atoms then trap a moving vacancy during annealing to form a fluorescent NV centre. Unfortunately, the efficiency and yield of this route are low due t...
Nitrogen in Biological Products

Yeast Nitrogen Base from Invitrogen

Description: ...
Company:Invitrogen

Yeast Nitrogen Base from Invitrogen

Description: ...
Company:Invitrogen

Yeast Nitrogen Base from Invitrogen

Description: Yeast nitrogen base (YNB) is a base medium for preparation of minimal and synthetic defined yeast media. YNB contains ammonium sulfate but does not contain amino acids. Both bulk and convenient single-use pouches are available. Each pouch contains reagents to prepare 500 ml of 10X YNB for Pichia m...
Company:Invitrogen

Yeast Nitrogen Base from Invitrogen

Description: Yeast nitrogen base (YNB) is a base medium for preparation of minimal and synthetic defined yeast media. YNB contains ammonium sulfate but does not contain amino acids. Both bulk and convenient single-use pouches are available. Each pouch contains reagents to prepare 500 ml of 10X YNB for Pichia m...
Company:Invitrogen

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; Liv...
Company:GenWay Biotech, Inc.

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

Description:...nveniently 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
Nitrogen in Biological Definition

Amine

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

Amino acid

...active . H His Histidine basic 155.16 7.60 1.80 9.33 6.04 In even slightly acidic conditions protonation of the nitrogen occurs, changing the properties of histidine and the polypeptide as a whole. It is used by many proteins as a regulatory mechanism, changing the conf...

Bacterium

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

C4 carbon fixation

... ( C4 plants ). They are competitively superior to plants possessing the more common C3 pathway under the conditions of drought, high temperatures and nitrogen limitation. The C 4 cycle allows for a spacial separation of carbon fixation from respiration, thus allowing C 4 plants to increase concentration of...

Carbohydrate

...ate from this, such as deoxyribose . Sometimes compounds containing other elements are also counted as carbohydrates (e.g. chitin , which contains nitrogen ). The simplest carbohydrates are monosaccharides , which are small straight-chain aldehydes and ketones with many hydroxyl groups added, usu...

Diffusion

...e a balloon can diffuse through the wall of the balloon and escape, resulting in the balloon slowly deflating. Other air molecules (e.g. oxygen , nitrogen ) have lower mobilities and thus diffuse more slowly through the balloon wall. There is a concentration gradient in the balloon wall because the ball...
Nitrogen in Biological Dictionary

Vascular system

... The circulatory system is an organ system that passes nutrients, gases, hormones, blood cells, nitrogen waste products, etc. to and from cells in the body to help fight diseases and help stabilize body temperature and pH to... Vascular tissue is a...

Urea cycle

...e 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 ...

Urea

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

Rhizobia

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

Pyrimidine

... Pyrimidine is a heterocyclic aromatic organic compound similar to benzene and pyridine, containing two nitrogen atoms at positions 1 and 3 of the six-member ring. It is isomeric with two other forms of diazine. ... in the pyrimidine biosynthesis. ... P...

Purine

...rocycle in nature. purine ( ) n. A double-ringed, crystalline organic base, C 5 H 4 N 4 , not known to occur naturally, from which is derived the nitrogen bases adenine purine a colorless crystalline nitrogen-containing organic base; the parent compound of various ... does purine mean? Read an...
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