Reaction of Ferrous and Ferric Iron with 1,10-Phenanthroline. I. Dissociation Constants of Ferrous and Ferric Phenanthroline

LEE TS, KOLTHOFF IM, LEUSSING DL.

TS Lee，IM Kolthoff，DL Leussing - 《Journal of the American Chemical Society》

The Reaction between Ferrous Iron and Peroxides. IV. Reaction with Potassium Persulfate1a

Upon very slow addition of ferrous iron to an acid (0.5 M sulfuric acid), neutral or alkaline (0.1 M pyrophosphate) persulfate solution, the molar reaction ratio of ferrous iron to persulfate is found less than 2. Upon rapid mixing of th...

IM Kolthoff，AI Medalia，HP Raaen - 《Journal of the American Chemical Society》

Quantitative studies of the avidity of naturally occurring substances for trace metals. III. Pteridines, riboflavin and purines

PMCID: PMC1197727

AA Albert - 《Biochemical Journal》

METAL CHELATES OF SOME SULFUR-CONTAINING AMINO ACIDS.

Acid-dissociation constants of DL-methionine, S-methyl-L-cysteine, DL-ethionine, L-cysteine, and DL-penicillamine, and the chelate-stability constants with...

GR Lenz，AE Martell - 《Biochemistry》

Metal Complexing by Tris Buffer

THE inhibitory effect of tris buffer (I) * relative to certain other buffers in a number of biochemical reactions is known 1,2 . For example, tris gives lower values for the rates of synthesis of proteins in cell-free bacterial prepar...

DE Allen，DJ Baker，RD Gillard - 《Nature》

Reaction of Ferrous and Ferric Iron with 1,10-Phenanthroline. IV. Application to Investigation of Zinc Phenanthroline Complexes

Zinc ion has been shown to form three complexes with 1,10-phenanthroline in aqueous solution: the mono-, di- and tri-1,10-phenanthroline zinc ion. The equilibrium constants for these complexes have been evaluated and found to be 3.7 × 1...

IM Kolthoff，DL Leussing，TS Lee - 《Journal of the American Chemical Society》

Polarographic Investigations of Reactions in Aqueous Solutions Containing Copper and Cysteine (Cystine). II. Reactions in Ammoniacal Medium in the Presence...

Syngeneic pancreatic islet grafts in diabetic NOD mice are infiltrated by mononuclear leukocytes, beta-cells are selectively destroyed, and autoimmune diab...

IM Kolthoff，W Stricks - 《Journal of the American Chemical Society》

The Stability Constants of Metal-Adenine Nucleotide Complexes

Values of 73,000 M-1 and 4,000 M-1 have been obtained for the stability constants of MgATP2- and MgADP-, respectively, in 0.1 M N-ethylmorpholine buffer at...

WJ O'Sullivan，DD Perrin - 《Biochemistry》

Reaction of Ferrous and Ferric Iron with 1,10-Phenanthroline. III. The Ferrous Monophenanthroline Complex and the Colorimetric Determination of Phenanthroline

The pale yellow complex of ferrous ion and phenanthroline has been demonstrated to be ferrous monophenanthroline. The dissociation constant of this complex is about 1.3 × 10-6 at 25°. Conditions for the colorimetric determination of ph...

IM Kolthoff，DL Leussing，TS Lee - 《Journal of the American Chemical Society》

Metal chelates of DL-penicillamine.

Other investigators have reported that the administration of penicillamine (尾,尾-dimethylcysteine) to patients with Wilson's disease results in a marked u...

EJ Kuchinskas，Y Rosen - 《Archives of Biochemistry & Biophysics》