urea and o-phthalaldehyde

urea has been researched along with o-phthalaldehyde in 10 studies

Research

Studies (10)

TimeframeStudies, this research(%)All Research%
pre-19904 (40.00)18.7374
1990's2 (20.00)18.2507
2000's2 (20.00)29.6817
2010's2 (20.00)24.3611
2020's0 (0.00)2.80

Authors

AuthorsStudies
Levinson, SS1
Abdel-Latif, MS; Guilbault, GG1
Mungal, R; Narinesingh, D; Ngo, TT1
Hill, B; Hill, PG; Wood, PL1
Labrousse, F; Lequang, NT; Migueres, G; Pelladeau, ML; Roche, D1
Dumoulin, B; Pastor, J; Pauli, AM1
George, SP; Rao, MB1
Chatterjee, A; Mandal, DK1
Gayda, G; Gonchar, M; Stasyuk, N; Stepien, A; Yepremyan, H1
Punekar, NS; Saragadam, T1

Other Studies

10 other study(ies) available for urea and o-phthalaldehyde

ArticleYear
Kinetic centrifugal analyzer and manual determination of serum urea nitrogen, with use of o-phthaldialdehyde reagent.
    Clinical chemistry, 1978, Volume: 24, Issue:12

    Topics: Centrifugation; Humans; Indicators and Reagents; Kinetics; o-Phthalaldehyde; Spectrophotometry; Urea

1978
Fluorometric determination of urea by flow injection analysis.
    Journal of biotechnology, 1990, Volume: 14, Issue:1

    Topics: Calibration; Enzymes, Immobilized; Fluorometry; Humans; Hydrogen-Ion Concentration; Methods; o-Phthalaldehyde; Sulfites; Urea; Urease

1990
Flow injection analysis of serum urea using urease covalently immobilized on 2-fluoro-1-methylpyridinium salt-activated fractogel and fluorescence detection.
    Analytical biochemistry, 1990, Aug-01, Volume: 188, Issue:2

    Topics: Ammonia; Calibration; Enzymes, Immobilized; Fluorescence; Humans; Hydrogen-Ion Concentration; o-Phthalaldehyde; Permeability; Pyridinium Compounds; Temperature; Urea; Urease

1990
Kinetic o-phthalaldehyde method for urea eliminates errors due to interference by monoclonal proteins.
    Clinical chemistry, 1987, Volume: 33, Issue:5

    Topics: Aldehydes; Humans; Myeloma Proteins; o-Phthalaldehyde; Urea

1987
Improved dye procedure for determining urea concentration by using o-phthalaldehyde and naphthylethylenediamine.
    Clinical chemistry, 1987, Volume: 33, Issue:1

    Topics: Aldehydes; Colorimetry; Coloring Agents; Ethylenediamines; Humans; Indicators and Reagents; o-Phthalaldehyde; Urea

1987
[Interference of fibrinogen in the determination of plasma urea by the o-phthalaldehyde method].
    Annales de biologie clinique, 1980, Volume: 38, Issue:6

    Topics: Aldehydes; Fibrinogen; Humans; o-Phthalaldehyde; Plasma; Urea

1980
Conformation and polarity of the active site of xylanase I from Thermomonospora sp. as deduced by fluorescent chemoaffinity labeling. Site and significance of a histidine residue.
    European journal of biochemistry, 2001, Volume: 268, Issue:10

    Topics: Actinomycetales; Affinity Labels; Amino Acids; Binding Sites; Circular Dichroism; Cysteine; Diethyl Pyrocarbonate; Dithionitrobenzoic Acid; Dose-Response Relationship, Drug; Enzyme Activation; Ethylmaleimide; Histidine; Hydroxymercuribenzoates; Indicators and Reagents; Kinetics; Lysine; Models, Chemical; o-Phthalaldehyde; Protease Inhibitors; Protein Binding; Protein Conformation; Sequence Analysis, Protein; Spectrometry, Fluorescence; Sulfhydryl Reagents; Time Factors; Trinitrobenzenesulfonic Acid; Urea; Xylan Endo-1,3-beta-Xylosidase; Xylosidases

2001
Quaternary association and reactivation of dimeric concanavalin A.
    International journal of biological macromolecules, 2005, Volume: 35, Issue:1-2

    Topics: Anilino Naphthalenesulfonates; Concanavalin A; Dimerization; Dose-Response Relationship, Drug; Fabaceae; Hydrogen-Ion Concentration; Kinetics; Lectins; o-Phthalaldehyde; Protein Binding; Protein Denaturation; Protein Structure, Quaternary; Proteins; Seeds; Spectrophotometry; Temperature; Thermodynamics; Time Factors; Ultraviolet Rays; Urea

2005
Fluorometric enzymatic assay of l-arginine.
    Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 2017, Jan-05, Volume: 170

    Topics: Ammonia; Arginase; Arginine; Enzyme Assays; Fluorometry; Humans; o-Phthalaldehyde; Spectrometry, Fluorescence; Urea

2017
Novel Route for Agmatine Catabolism in Aspergillus niger: 4-Guanidinobutyrase Assay.
    Methods in molecular biology (Clifton, N.J.), 2018, Volume: 1694

    Topics: Agmatine; Aspergillus niger; Biological Assay; Chromatography, High Pressure Liquid; gamma-Aminobutyric Acid; o-Phthalaldehyde; Urea; Ureohydrolases

2018