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Tag: "nitrogen" at medical news

Evidence Links Protein Damage to Neurodegenerative diseases like Parkinson's and Alzheimer's

... that have changed because they have combined with nitrogen (nitration) or oxygen (oxidation). Both types of oxidants damage lipids, nucleic acids, proteins, and other cellular components much like oxidation causes rust damage to metal in cars and buildings. This damage has been implicated in causing neurodeg...

Traffic pollution linked to severe asthma attacks

...irus. Researchers have discovered that exposure to nitrogen dioxide (NO2) from vehicle exhaust exacerbates the attacks. NO2 is common but the main sources indoors are //gas stoves and, outdoors, traffic pollution. With up to 150 million people worldwide suffering from asthma and cases expected to rise by 50 ...

Air Pollution Tied to Stroke Risk

... stroke admissions. “Particulate matter (PM10) and nitrogen dioxide (NO2) seem to be the most important pollutants and the effects appear to be stronger on warm days,” says Chun-Yuh Yang, Ph.D., M.P.H., professor, director and dean at the Institute of Public Health, College of Health Sciences at Kaohsiung Med...

Pollution Found To Impair Lung Development

...y measured the effects of air pollutants including nitrogen oxide, acid vapor, and elemental carbon on the lungs of participants. The data showed children living in polluted cities had a lower capacity to exhale than children living in cleaner cities. Thus researchers say potential long-term effects of reduce...

Breathing Cancer Causing Compounds During Pregnancy Found To Affect Offspring

...de. Some other substances were particulate matter, nitrogen oxides (which come from the burning of oils, particularly engine oils), other non-methane volatile organic compounds besides 1,3-butadiene (such as benzene and benz(a)pyrene), and dioxins. Researchers conclude saying that results of their study poin...

A New Evaluation Tool That Could Predict Death Risk in Heart Patients

...ngle predictor for mortality was a high blood urea nitrogen level (above 43 milligrams per deciliter), followed by a low systolic blood pressure (above 115 millimeters of mercury) and a high serum creatinine (higher than 2.75 milligrams per deciliter). Now that researchers have the ability to easily categori...

Canada helps in giving birth to world first baby from frozen egg

...ification, where eggs are frozen rapidly in liquid nitrogen at –1960 C in order to avoid the formation of ice crystals. At this temperature eggs can be successfully stored for long durations till the time they are required. Then they can be extracted out of their protective casings, thawed and fertilized. Th...

Chlorine might be a cause for Asthma

...chemical known as trichloroamine//(chemical name : nitrogen trichloride). This inhalableirritant has the ability to trigger the reneration ofthree protiens. The protiens have the ability tocripple the cellular barrier protecting the lungs.Thus making it more prone to the passage of allergins,the main cause of...

Novel antibiotic dressing developed for improved wound healing

...eing developed. The coating comprises thousands of nitrogen clusters that permanently bond to substances such as gauze and fabric. The coating also does what it was created to do - aids healing. When added to gauze, it makes the material super absorbent, pulling excess moisture away from the sore. Other dre...

Incorrect lifestyle may be the cause of male infertility

...auses of male infertility, scientists believe that nitrogen oxide and lead in exhaust fumes may be the culprits. Scrotal hyperthermia has been identified as another risk factor for male infertility according to a study published in the February issue of the journal Human Reproduction. Scientists from the St...

Cryosurgery – Freeze Therapy For Lung Cance

...ur which makes the tumor in to an ice ball. Liquid nitrogen is used as a coolant to freeze the tumour, which then disintegrates within the body over the next three to six month - which the scientists do not think is dangerous, with patients so far having good results. The surgery is less invasive than the con...

Passive Cigarette Smoking Increases Isoprostane Formation

...smoke for 12 days. Plasma samples stored at liquid nitrogen from people having been examined earlier were used. Prevalues of 8-epi-PGF2a were found to be higher in cigarette smokers. Exposure to passive smoking caused a significant increase in 8-epi-PGF2a in non-smokers, while in smokers there was only a tr...

US Academy honors 15 for major contributions to science

...is scholarly and inspirational book and reviews on nitrogen cycling and its role in the evolving patterns of ecosystem productivity and diversity." Gilbert Morgan Smith Medal, a medal and prize of $20,000 awarded every three years for excellence in published research on marine or freshwater algae – goes to ...

Contaminated Land Can Be Cleaned By Micro-Organisms

...RDX that can utilize the explosives as a source of nitrogen for growth. However, on finding that the bacteria present in the soil could not degrade the RDX quickly enough to stop the contamination of land and ground water, the York team redeployed the enzyme in the bacteria into plants, giving them the abi...

Frozen embryos stored in Britain

...re living balls of human cells suspended in liquid nitrogen at sub-zero temperatures, waiting for their lives to begin again. // Lois Walker was one among them and was conceived in October 1997, but was born in April 2000. Her gestation period lasted for more than two years. Lois is now 5 years old. Lois h...

Formula milk suffering due to commercial interests

...nt formula protein should be based on a recognized nitrogen conversion factor. While the industry argues that using the lower nitrogen conversion factor would lead to a loss of some €80m (£55m; $96m) for the dairy industry in Europe al...

Raspberries Are Richer In Anti-Oxidants Than Tomatoes Or Broccoli

...erlands, said flash freezing raspberries in liquid nitrogen and storing them at minus 20 degrees Celsius destroys much of the vitamin C, but the anti-oxidant capacity remains. Processing the berry into jams may alter some of the anti-oxidants, but most of the valuable compounds remain, the researchers say....

Compounds In Legume May Be Helpful In Treating Cancer

... screened legumes, the plants which obtain useable nitrogen from soil bacteria// in their roots, for biologica... in the nodules and provide the plant with useable nitrogen it can convert into proteins. CILR Chief Investigator Professor Chris Parish's group, based at AN...

Instrument to reveal Information about Ozone Loss

...tion and can also sediment and irreversibly remove nitrogen from the lower stratosphere, causing a process known as denitrification, which slows the return of chlorine to its inactive form and allows for ozone destruction to continue. H?pfner and fellow scientists were able to explain the sudden NAT formati...

COPD Patients portray improved exercise performance after breathing a Special Gas

...elium and 21 percent oxygen (Heliox21); 72 percent nitrogen and 28 percent oxygen (Oxygen28); and 79 percent nitrogen and 21 percent oxygen (medical air). Researchers were optimistic of bringing down the airway resi...

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