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O-PHTHALALDEHYDE, UREA NITROGEN

A urea nitrogen test system is a device intended to measure urea nitrogen (an end-product of nitrogen metabolism) in whole blood, serum, plasma, and… 
National Institutes of Health

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Blood urea nitrogen measurement

Papers overview

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2014
2014
Method for reducing reagent blank in detection of ammonium nitrogen by use of o-phthalaldehyde fluorescence method
The invention provides a method for reducing reagent blank in detection of ammonium nitrogen by use of an o-phthalaldehyde… 
2012
2012
Determination of sphingoid bases from hydrolyzed glucosylceramide in rice and wheat by online post-column high-performance liquid chromatography with O-phthalaldehyde derivatization.
We developed a determination method for sphingoid bases using online post-column high-performance liquid chromatography (HPLC… 
2004
2004
A study on oxygen insertion in dinuclear silver cryptates.
Two novel silver(I) cryptates are reported in this paper. [Ag(2)(L(1)O)](ClO(4))(2).H(2)O and [Ag(2)L(1)](ClO(4))(2).1.5H(2)O… 
1999
1999
Measurement of Urinary Amino Acids Using High-Performance Liquid Chromatography Equipped with a Strong Cation Exchange Resin Pre-Column
We determined the urinary amino acid concentrations by high-performance liquid chromatography (HPLC) using an eluent buffer which… 
1997
1997
Inhibition of Glucan Synthesis by Flavipin-crosslinked Casein Polymers.
Mutastein, a casein polymer that inhibits insoluble glucan synthesis by Streptococcus sobrinus, was produced when Aspergillus… 
1995
1995
Modification of nucleolar protein B23 after exposure to ionizing radiation.
The responses of cells to ionizing radiation include induction and/or suppression of the expression of genes and proteins. In our… 
1991
1991
Deamidation and succinimide formation by gamma-N-methylasparagine: potential pitfalls of amino acid analysis.
1981
1981
Reduced and oxidized glutathione in brain and convulsions
Concentration changes of reduced glutathione (GSH) and oxidized glutathione (GSSG) were studied by fluorometric assay witho… 
1981
1981
Kinetic determination of serum urea nitrogen with o-phthalaldehyde and N-(1-naphthyl)-N′-diethylethylenediamine
1980
1980
[Interference of fibrinogen in the determination of plasma urea by the o-phthalaldehyde method].
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