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Blood urea nitrogen measurement

Known as: Nitrogen, Blood Urea, bun measurement, BUN 
The urea concentration of the blood stated in terms of nitrogen content. Serum (plasma) urea nitrogen is approximately 12% higher than blood urea… Expand
National Institutes of Health

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Review
2018
Review
2018
Nitrogen fixation in the surface ocean impacts global marine nitrogen bioavailability and thus microbial primary productivity… Expand
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Review
2018
Review
2018
The magnetic fields generated by spins and currents provide a unique window into the physics of correlated-electron materials and… Expand
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Review
2018
Review
2018
Many studies report that mountain plant species are shifting upward in elevation. However, the majority of these reports focus on… Expand
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Review
2018
Review
2018
Sustainably feeding a growing population is a grand challenge, and one that is particularly difficult in regions that are… Expand
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Review
2018
Review
2018
Contents Summary 35 I. Introduction 35 II. Nitrogen acquisition and assimilation 36 III. Root-to-shoot transport of nitrogen 38… Expand
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Review
2017
Review
2017
Population growth and climate change challenge our food and farming systems and provide arguments for an increased… Expand
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Review
2017
Review
2017
High concentrations of ozone in urban and industrial regions worldwide have long been a major air quality issue. With the rapid… Expand
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Review
2017
Review
2017
In its early stages, symptoms of chronic kidney disease (CKD) are usually not apparent. Significant reduction of the kidney… Expand
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Highly Cited
2010
Highly Cited
2010
In 2002, world leaders committed, through the Convention on Biological Diversity, to achieve a significant reduction in the rate… Expand
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Highly Cited
1985
Highly Cited
1985
Abstract A new “direct extraction” method for measuring soil microbial biomass nitrogen (biomass N) is described. The new method… Expand
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