Oxygen

Plant hemoglobins: Oxygen handlers critical for nitrogen fixation

Hemoglobins, key components of our blood, are ancient proteins with well-known roles in oxygen transport and respiration in animals. Hemoglobins are also present in plants and bacteria, but until now the physiological role of plant hemoglobins has been unclear. A group of researchers reveal this week that one such mysterious plant hemoglobin serves to assist in the fixation of nitrogen in the roo...

Why do insects stop 'breathing'? To avoid damage from too much oxygen, say researchers

A new study investigating the respiratory system of insects may have solved a mystery that has intrigued physiologists for decades: why insects routinely stop breathing for minutes at a time. Challenging previous theories, researchers at UC Irvine and Humboldt University propose that insects such as grasshoppers, moths, butterflies, some types of fruit flies, beetles and bugs close off th...

Yeast Network Prevents Damage By Oxygen Radicals

Reactive oxygen species (ROS), or 'oxygen radicals', have been identified as major contributors to signs of premature aging, increased cancer prevalence linked to inflammation-associated syndromes and a variety of human diseases. Now scientists at the University of California, San Diego Branch of the Ludwig Institute for Cancer Research (LICR) have identified a key network of DNA repair and cell...

Low oxygen likely made Great Dying worse, greatly delayed recovery

The biggest mass extinction in Earth history some 251 million years ago was preceded by elevated extinction rates before the main event and was followed by a delayed recovery that lasted for millions of years. New research by two University of Washington scientists suggests that a sharp decline in atmospheric oxygen levels was likely a major reason for both the elevated extinction rates and the v...

Oxygen increase caused mammals to triumph, researchers say

The first, high resolution continuous record of oxygen concentration in the earth's atmosphere shows that a sharp rise in oxygen about 50 million years ago gave mammals the evolutionary boost they needed to dominate the planet, according to Paul Falkowski, Rutgers professor of marine science and lead author of a paper published Sept. 30 in the journal Science. Falkowski and his colleague...

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Oxygen at Biology Products

Complete 2 channel polarographic oxygen monitoring system from Instech Solomon

Description:The SYS203 is a complete, flexible system designed specifically for oxygen measurement in small samples, as is frequently required in biological research. The system is designed around Instechs miniature Clark-style polarographic electrode. Measuring only 1/8 of an inch in diameter (3.2 mm), it is ideal for metabolic studies of mitochondria, cell suspensions, and enzyme assays....
Company:Instech Solomon

Complete 2 channel polarographic oxygen monitoring system from Instech Solomon

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Rabbit Anti-Rat Heme Oxygenase-1 (2-23) Polyclonal Antibody, Unconjugated from Calbiochem

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Anti-Indoleamine 2,3-dioxygenase (IDO) Monoclonal Antibody, Unconjugated from CHEMICON

Description:Indoleamine 2,3-dioxygenase [IDO]...
Company:CHEMICON

Sheep Anti-Human Indolamine (Indoleamine) 2,3-dioxygenase Antibody, Unconjugated from CHEMICON

Description:Anti-Indolamine (Indoleamine) 2,3-dioxygenase 38454...
Company:CHEMICON

Oxygen at Biology Technology

Analysis of Fuel Oxygenates by U.S. EPA Method 8260B Using Headspace Trap with GC/MS

710 Bridgeport Avenue Shelton, CT 06484 The Clean Air Act amendments of 1990 require that oxygenated compounds be added to gasoline to produce fuel with increased oxygen content. Oxygenat...

Singlet Oxygen measurement

The chemistry, spectroscopy, and reactivity of singlet oxygen, , su...

Oxygen at Biology Dictionary

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Oxygen at Medicine News

The advantages of oxygen therapy

According to a new research, oxygen therapy at home reduces hospitalisation in those with lung disease. Researchers at the University Hospital of Denmark, have studied the effects of oxygen on 200 patients with smoker's lungs// - where the blood becomes deficient in oxygen. The oxygenation was begun in an outpatient clinic, then continued at home. Having oxygen therapy, for at least 1...

Oxygen Treatment may be injurious

According to a recent survey it is observed that breathing oxygen may cause some harm to cells. The oxygen cylinder is a familiar sight around the beds of people //with severe lung or heart disease.Oxygen supports the organs of the body when the heart can't deliver enough through the blood. But oxygen is often given inappropriately. Overall the fact to believed is that Oxygen is the 'breathe of l...

Oxygen helps heal wounds

A recent study has has shown that oxygen, apart from breathing life into lungs, also helps heal wounds. Prior studies have shown that oxygen plays an important role in helping the body heal, after injury. In fact, studies have shown treatment in a hyperbaric oxygen chamber can help wound healing. However, hyperbaric therapy is expensive and there are doubts about whether or not it causes oxygen t...

Oxygen Usage During Exercise Could Indicate Heart Problems

During the first few minutes of exercise, the amount of oxygen per heartbeat increases and continues to rise as the heart carries the oxygen to the blood.// A new study shows less oxygen to the body after the first few minutes of exercise could signal heart trouble. Researchers studied nearly 100 patients between ages 55 and 75 who had mild hypertension. Researchers measured...

Oxygen Consumption During Workouts Could Indicate Heart Problems

A new study shows less oxygen to the body after the first few minutes of exercise could signal heart trouble. During the first few minutes // of exercise, the amount of oxygen per heartbeat increases and continues to rise as the heart carries the oxygen to the blood. Researchers studied nearly 100 patients between ages 55 and 75 who had mild hypertension. Researchers measured the patie...

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Oxygen at Medicine Products

LICOX Brain Tissue Oxygen Monitoring System

Description:For continuous intracranial monitoring of pressure, oxygen and temperature of the brain...
Company:Integra LifeSciences Corporation

PULSOX-2 Oxygen Saturation Monitor

Description:After inserting a finger into comfortable holder, measuring switch is automatically turned on, and continuous measurement is performed. Large display of approx. 11mm character height. In darker surroundings, back light automatically turns on for easy reading. Light weight, compact contour and design provide steady, accurate measurements and avoid motion artifact....
Company:CCR Medical

LOTUS™ Electronic Oxygen Conserver (with alarm)

Description:Redesigning the World's Oxygen Therapy One Device at a Time. Everything you like about our OXYMATIC 400 Series conservers, only better!...
Company:CHAD Therapeutics, Inc.

OXYMATIC® 401 Electronic Oxygen Conserver

Description:An All-In-One Conserver. Offers an average 5:1 increase in usage time at all settings. Allows the use of a standard cannula. The combination of the OXYMATIC conserver and lightweight cylinders offers ambulatory oxygen patients a superior alternative to liquid oxygen. Reliability backed by a 2-year warranty. NOTE: Each model has passed the ASTM...
Company:CHAD Therapeutics, Inc.

LOTUS™ Electronic Oxygen Conserver (without alarm)

Description:Redesigning the World's Oxygen Therapy One Device at a Time. Everything you like about our OXYMATIC 400 Series conservers, only better!...
Company:CHAD Therapeutics, Inc.

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Oxygen at Medicine Technology

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Oxygen

to your baby, depending on h...