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2-Hydroxy-5-nitrobenzyl Bromide

Known as: Koshlands Reagent, Reagent, Koshlands, Koshlands Reagent I 
A chemical reagent that reacts with and modifies chemically the tryptophan portion of protein molecules. Used for 'active site' enzyme studies and… 
National Institutes of Health

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Broader (1)

Indicators and Reagents
analogs & derivativesaspects of radiation effectschemical synthesisstandards characteristics

Papers overview

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2013
2013
Chemical Soil Diagnosis By the Univeersal Soil Testing System (Revision of B 392)
  • 2013
  • Corpus ID: 4812351
2000
2000
A 130-kDa membrane protein of sperm flagella is the receptor for asterosaps, sperm-activating peptides of starfish Asterias amurensis.
Spermatozoa of the starfish, Asterias amurensis, have a specific receptor for asterosap, a sperm-activating peptide isolated from… 
1998
1998
Capillary ion analysis of potassium concentrations in human vitreous humor
Capillary ion analysis (CIA) is a form of capillary electrophoresis which uses the differential electrophoretic mobility of ions… 
1991
1991
Biological monitoring of isocyanates and related amines
SummaryFive men were exposed to toluene diisocyanate (TDI) atmospheres for 7.5 h. The TDI atmospheres were generated by a gas… 
1982
1982
Characterization of ornithine decarboxylase of tobacco cells and tomato ovaries.
Some characteristics of L-ornithine decarboxylase of tomato ovaries and tobacco cells are described. The enzyme has a pH optimum… 
1982
1982
Metabolic clearance rate and plasma half-life of radioiodinated corticotropin releasing factor in a primate.
Corticotropin releasing factor (CRF) has recently been identified, purified and shown to be a 41-amino acid polypeptide that… 
1974
1974
Modification of tryptophan residues in retinol-binding protein and prealbumin with 2-hydroxy-5-nitrobenzyl bromide. Effects of the modification of the protein-retinol and protein-protein interaction.
Abstract Human retinol-binding protein (RBP) and prealbumin were labeled with 2-hydroxy-5-nitrobenzyl bromide (HNB-Br) at pH 5.5… 
1970
1970
The structure and function of ribonuclease T1. 8. Reaction of 2-hydroxy-5-nitrobenzyl bromide with the single tryptophan residue in ribonuclease T1.
1. The reaction of 2-hydroxy-5-n itrobenzyl bromide with ribonuclease Tj [EC 2. 7. 7. 26] has been investigated in order to… 
Highly Cited
1965
Highly Cited
1965
A HIGHLY REACTIVE COLORED REAGENT WITH SELECTIVITY FOR THE TRYPTOPHAN RESIDUE IN PROTEINS. 2-HYDROXY-5-NITROBENZYL BROMIDE.
Highly Cited
1959
Highly Cited
1959
THE COLORIMETRIC ESTIMATION OF ALPHA-AMINO NITROGEN IN TISSUE FLUIDS
Various authors have reported methods for the colorimetric estimation of alpha-amino nitrogen with ninhydrin (Moore and Stein… 
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