The car that uses urine to save the planet... Oct 15, 2009
The compound, called AdBlue, is a mixture of roughly one-third pure urea and two-thirds demineralised water ... The technology, called selective catalyst reduction, involves injecting the urea-based liquid into the cars exhaust system 00004000 to turn NOx emissions into harmless nitrogen and water ... Regulatory authorities in Europe and the United States are planning to introduce strict new limits on diesel emissions in the future, which will eventually make the urea-based systems mandatory... (The Drudge Report)
Yard and Garden: Fall lawn activities -- seeding, fertilizing and tree walks Sep 19, 2009
Apply fertilizer with a soluble nitrogen source such as urea, ammonium nitrate, or ammonium sulfate at a rate of 1 to 1. 25 pounds of nitrogen per 1000 square feet. (Mattoon Journal-Gazette, IL)
The History of Fireworks Sep 17, 2009
Dung heaps were a particularly common source as it is formed from decomposing urea. It sounds unlikely, but when mixed in the correct proportions with charcoal it burns with the emission of glowing sparks. (Suite101.com)
Close-to-home drama Sep 4, 2009
The blood urea and creatinine were coming down very slowly. had started him on Cyclosporine, an immunosuppressive drug to prevent rejection. (The Star Online, Malaysia)
ecoENERGY Retrofit in Full Swing! Aug 25, 2009
Property owners who insulated with Urea Formaldehyde Foam Insulation (UFFI), asbestos-contaminated Zonolite and, more recently, with RetzoFoam, which contains urea formaldeyde, were doing so within the stipulations of and to qualify for government programs. Later these products were banned. (RealtyTimes)
What Does the Liver Do? Jul 31, 2009
It converts ammonia from broken-down proteins into urea, which can then be excreted through the kidneys. If not for this, toxic levels of ammonia build up in the body. (Suite101.com)
Dr. Jeff Hersh: Parasites give me the creepy crawlies Jul 22, 2009
It senses the flow and smells small amounts of urea when a fish exhales. It then swims speedily up the stream of the exhaled fluids through the open gills. (Belmont Citizen Herald, MA)
Cars may soon be powered by urine Jul 16, 2009
The researchers focussed their study on urea, a urine by-product. "Urea is a by-product of a lot of cities and farms, but even if you take all the people and all the animals, there's not enough to run the world," said University of Georgia professor John Stickney. (India Times, India)
The Calorie Delusion: Why food labels are wrong, Bijal Trivedi, New Scientist Jul 16, 2009
To estimate the proportion of this raw energy that was used by the body, Atwater calculated the amount of energy lost as undigested food in faeces, and as chemical energy in the form of urea, ammonia and organic acids found in urine, and then he subtracted these figures from the total ... That's because it takes energy to convert ammonia to urea when protein is broken down into its constituent amino acids (). (Harper's Magazine)
Pee power: Hydrogen from urine to fuel cars? Jul 8, 2009
Urines major constituent is urea, which incorporates four hydrogen atoms per molecule importantly, less tightly bonded than the hydrogen atoms in water molecules. Botte uses electrolysis to break the molecule apart, developing an inexpensive nickel-based electrode to efficiently oxidise the urea ... During the electrochemical process the urea gets adsorbed on to the nickel electrode surface, which passes the electrons needed to break up the molecule, Botte told Chemistry World journal.... (India Times, India -- Health/Science)
Keep on truckin'Terra subsidiary cleans way for diesel engines Jul 5, 2009
A Terra Industries subsidiary is producing and marketing a urea-based solution used in a catalytic process that helps clean the air by reducing nitrogen oxide, or NOx, emissions ... A urea-based emissions treatment system, known as Selective Catalyst Reduction, has emerged as the dominant technology for meeting the new rules, which apply to most new diesel trucks, buses and passenger cars ... Urea, produced by carbon dioxide reacting with anhydrous ammonia under high pressure at high... (Sioux City Journal)
Venture capital watch Jul 3, 2009
Hyperion Therapeutics Inc. of South San Francisco has raised $60 million in Series C money to fund Phase III clinical trials of a treatment for urea cycle disorders. This rare enzymatic condition causes dangerous levels of ammonia in the bloodstream. (San Francisco Chronicle -- Business)
Simple Measures May Prevent Transmission Of Stomach Ulcer Bacteria Jun 25, 2009
The bacterium produces an enzyme that turns urea into carbon dioxide and ammonia, which in turn neutralises the gastric acid in the stomach. The infection can cause ulcers on the lining of the stomach and of the duodenum if it is left untreated, and these conditions can be deadly. (Science Daily)
* Man drinks 10 liters of urine to survive wasp stings klvr Jun 6, 2009
However, both Chinese and Western medicine doctors consider that human urine contains urea that could turn into ammonia, which is able to relieve itches and stings caused by insect bites. But they say urine is only suitable for external application, and have reservations about the rumor that drinking urine can cure wasp stings. (Taipei Times, Taiwan -- Sports)
Sleeping Through Dialysis: No Nightmare For Kidney Patients May 26, 2009
Dialysis removes waste products such as phosphate and urea from the blood, usually in three to five hours of treatments three days a week ... The patients who underwent overnight dialysis had lower rates of anemia and reduced levels of urea in their blood. (Science Daily)
Meco: Fuel for success May 4, 2009
Mr. Futrelle has Mr. Magee in the back of the shop with him developing a diesel tank with a urea dispenser in it. It is a federal requirement that all diesel containers have them by 2010. (The Augusta Chronicle)
Today In the Kitchen: 10 ingredients to avoid Apr 28, 2009
Diazolidinyl Urea, Imidazolidinyl Urea. These are widely used preservatives which the American Academy of Dermatology has found to be a primary cause of contact dermatitis. (Green Valley News & Sun, AZ)
Anti-microbial Catheter To Cut Infection Risk For Dialysis Patients Mar 28, 2009
This will involve some adaptation to cover specific pathogens such as, in the case of foley catheters, Proteus which produces a biofilm on the catheter and converts urea in urine into ammonia, causing minerals and phosphates to form a painful crystallised crust at the neck of the catheter. This in turn can lead to bladder infections and, if left untreated, the more serious condition of pyelonephritis which destroys the kidneys by turning them into scar tissue and causes renal failure. (Science Daily)
Tips from the American Journal of Pathology Mar 25, 2009
Levels of L-FABP correlated with the level of acute kidney injury at significantly earlier time points than levels of conventional renal markers such as blood urea nitrogen (BUN) or urinary N-acetyl-D-glucosaminidase (NAG). In addition, L-FABP showed better correlation than BUN or NAG with final histological injury scores, especially at early time points. (EurekAlert!)
Clinical trial backs use of special yogurt to fight stomach ulcer bacteria Mar 23, 2009
In the new study, Hatta and colleagues point out that H. pylori seems to rely on a protein called urease to attach to and infect the stomach lining ... They injected chickens with urease and allowed the chickens' immune systems to produce an antibody to the protein ... The researchers then harvested the antibody, called IgY-urease, from chicken eggs. (EurekAlert!)
Dr. Charles S. Lieber, at 78; showed alcohol was liver toxin Mar 14, 2009
In a conversation published in 2001 in the scientific journal Addiction, Dr. Lieber said his first significant discovery was using antibiotics to reduce the stomach's ability to convert one compound, urea, into another, ammonia, which has a deleterious effect on the brain. In the 1950s, studying patients with alcoholic liver disease, he showed that reducing the amount of ammonia produced in the stomach paralleled their clinical improvement. (Boston Globe)
Urine color depends on circumstances Mar 13, 2009
The serum BUN (blood urea nitrogen) level is another important blood level that goes hand in hand with a blood creatinine level. Blood urea nitrogen and creatinine are simply breakdown products of blood and muscle. (Atlanta Journal-Constitution -- Health)
Group finds carcinogens in bath products Mar 13, 2009
The group says consumers can look out for ingredients that are likely to contain either of the chemicals, though, including: peg-100 stearate, sodium laureth sulfate, polyethylene and ceteareth-20, quaternium-15, DMDM hydantoin, imidazolidinyl urea, diazolidinyl urea and sodium hydroxymethoylglycinate. Liz Szabo, USA TODAY. (USA Today -- News)
Spiritual Teens Are Healthier Mar 13, 2009
The patients were questioned on a scale of spirituality behaviors and attitudes, and responses were correlated to dialysis-related blood levels, including: blood urea nitrogen (BUN), lymphocytes, albumin, phosphorus, parathyroid hormone (PTH), and urea reduction ratio. There was a significant negative correlation between spiritual attitudes and BUN levels, he says. (Newsmax)
New Formula Could Set Universal Standard For Monitoring Chronic Kidney Disease In Children Mar 7, 2009
"Most other formulas used to estimate kidney function in children with CKD are singular to their institutions or hospitals. In addition, most clinicians are unaware of what biochemical analyses are being used by their institutions to measure waste products excreted by the kidney, such as creatinine and blood urea nitrogen (BUN), and different analyses would yield different estimate formulas," said George J. Schwartz, M.D., chief of Pediatric Nephrology at the University of Rochester Medical... (Science Daily)
Somali pirates free Egyptian ship Mar 5, 2009
Andrew Mwangura of the East African Seafarers Assistance Program confirmed media reports of the release of the Blue Star, seized on January 1 with a cargo of 6,000 tonnes of the fertilizer urea ... East Africa Bureau Chief Jeffrey Gettleman reports on efforts to combat piracy in the Gulf of Aden. (International Herald Tribune -- Health)
Drug Improves Memory In Alzheimer's Disease, Animal Study Suggests Feb 25, 2009
The research project showed that the drug sodium phenylbutyrate, prescribed until now for patients with alterations in the urea cycle, eases the fusion of proteins responsible for neuron connections, thus increasing the learning capacity of the mice involved. As a result, these discoveries offer new, promising perspectives for the treatment of Alzheimer s Disease and other related dementias. (Science Daily)
Willem J. Kolff, at 97; Dutch inventor of artificial heart and organs Feb 16, 2009
For his first experiment, Dr. Kolff filled sausage casings with blood, expelled the air, added a kidney waste product called urea, and agitated the contraption in a bath of salt water ... Small molecules of urea could pass through the membrane, while larger blood molecules might not ... In five minutes, all the urea had moved into the salt water. (Boston Globe)
Dr. Willem Kolff dies at 97; Dutch physician built first kidney ... Feb 14, 2009
"I felt that if I could remove every day 20 grams of urea from this man, then he could live," he later recalled. Physicians had encountered two primary problems in trying to achieve this: filtering urea and other toxins from the blood and keeping the blood from clotting while it was outside the body ... He found that when the casings were filled with blood and agitated in a solution of salt water, the urea and excess water diffused out while essential blood components were trapped inside the... (Los Angeles Times)
Want a challenge? Try African violets Feb 13, 2009
For example, when selecting a fertilizer suitable for African violets, make sure that it does not contain urea nitrogen. It s also important to chose a violet food that is 100 percent water-soluble. (Racine Journal Times, WI)
Doctor Invented Kidney Dialysis Machine, Artificial Organs Feb 13, 2009
When blood containing high concentrations of acid, urea molecules and salts is put in a porous container and placed in a bath of water, those substances will move through the pores and out of the blood. CONTINUED 1. (Washington Post)
Bill seeks to follow other states in banning public smoking statewide (1909) Feb 11, 2009
"Some of the weird ones are oak moss, pepper oil, Patchouli Oil (this is cologne), and urea (this is used to make toilet bowl cleaner). Seriously Naturally? You're proud to smoke a piece of rolled up moss that's been dipped in perfume and scrubbing bubbles? Sheesh! " ... "The EPA, like every other bureaucracy, wants to increase their power. Take what they say with a couple of grains of salt. Oh wait that's bad, too!!! ". (Jefferson City News Tribune, MO)
Sheep and Goat Diseases Outlined From A to Z (15) Feb 9, 2009
Ammonia produced by excess urea in the ram's urine can cause severe irritation and ulceration of the skin around the penis, and a crust might eventually block the opening, affecting a ram's desire and ability to breed. Pneumonia. (Agri-View, WI)
Vegetable farmers attend workshop Feb 8, 2009
Mr Addy said fertilizers such as sulphate of ammonia and urea which were top soil dressers could be applied in the fifth week and the best way of their application was by burying the nutrients and closer to the plants for their effectiveness. He cautioned maize farmers who cultivated during the minor season between July and September to spray their farm lands with insecticides to protect their farms against army worm infestation since the pest invaded maize farms during such periods. (Ghana Web, Ghana)
