Use of enzymes in analytical chemistry

Near-ultraviolet absorption bands of tryptopan. Studies using indole and 3-methylindole as models

1970 • 160 citations

Photochromic spiropyrans. I. Absorption spectra and evaluation of the .pi.-electron orthogonality of the constituent halves

1970 • 153 citations

Electronic spectra of octahedral platinum (IV) complexes

1970 • 81 citations

Absorption of Proteins and Peptides in the Far Ultraviolet

1970 • 79 citations

Direct spectrophotometric simultaneous determination of nitrite and nitrate in the ultraviolet

1970 • 58 citations

Semi-empirical Parameters in pi-Electron Systems. XI. Calculations of the Electronic Structure of Some Nitrogen Heterocycles Including pi-Electrons and sigma Lone Pairs.

1971 • 45 citations

Comparison of Plasma Concentrations of Warfarin Measured by Both Simple Extraction and TLC Methods

1970 • 44 citations

Electronic spectra and structures of organic ?-systems

1971 • 44 citations

Quantitative measurement of protein in disc electrophoresis by direct ultraviolet absorbance

1970 • 39 citations

Automated system for ion-exchange chromatography of saccharides

1970 • 37 citations

Semi-empirical Parameters in pi-Electron Systems. VIII. Sulphur-containing Heteroaromatic Systems.

1970 • 35 citations

Dual-wavelength spectrophotometry

1971 • 34 citations

Observation of absorption spectra due to charge transfer complexes of polymers with oxygen and its possible contribution to radical formation in polymers by ultraviolet irradiation

1970 • 34 citations

The Purification Of KH2PO4 For Use As A Carrier Buffer In Ultra-Sensitive Liquid Chromatography

1970 • 32 citations

Electronic transitions in mono-olefinic hydrocarbons

1970 • 32 citations

Action of amylolytic enzymes on a chromogenic substrate

1970 • 30 citations

Interaction of Isoniazid with Magnesium Oxide and Lactose

1970 • 30 citations

Isolation and Purification of a 5α-Hydroxysterol Dehydrase of Yeast

1970 • 28 citations

Extraction and spectrophotometric determination of tin, arsenic and germanium as their iodides

1969 • 27 citations

The use of 2-nitroso-1-naphthol as an extraction and spectrophotometric reagent for cobalt in plant materials

1970 • 25 citations

Determination of critical micelle concentration of surfactant by ultraviolet absorption spectra

1970 • 25 citations

Application of the ΔA method to the determination of morphine

1970 • 24 citations

Complex formation between sulfur dioxide and halide ions in acetonitrile solution

1971 • 21 citations

Qualitative determination of polyaromatic hydrocarbons in the air near gas-works retorts

1970 • 18 citations

Vapor-phase charge-transfer complexes. IV. Aliphatic hydrocarbon-iodine contact charge transfer

1971 • 16 citations

The ultraviolet spectrophotometric determination of nitrite by the antipyrine method

1971 • 16 citations

Determination of Phenothiazine Compounds in Biologic Specimens by UV Spectrophotometry

1971 • 15 citations

Mechanism of Adsorption of Phenols by Carbon Black from Aqueous Solution

1971 • 15 citations

Observations on a new simplified dye method for assessing amylase activity

1969 • 14 citations

Electronic absorption band assignments for copper(II) salicylaldimine complexes

1971 • 13 citations

Interaction of Alcohols with Lysozyme

1970 • 13 citations

Fatal Amitriptytine Poisoning. Determination of the Drug in Forensic‐Chemical Material

1969 • 13 citations

A study of pyridinium ternary molybdophosphate complexes

1970 • 13 citations

Carboxysilanes and -germanes. III. Ionization constants of triorganosilane- and triorganogermanecarboxylic acids in ethanol-water and dimethyl sulfoxide media

1971 • 12 citations

A method for the determination of disodium cromoglycate and other chromones

1971 • 12 citations

An on-line differential converter, for obtaining the first derivative of absorption spectra

1971 • 12 citations

Spectrophotometric assay of ampicillin (.alpha.-aminobenzylpenicillin) involving initial benzoylation of the side chain .alpha.-amino group

1971 • 12 citations

Comparison of electronic spectra

1970 • 11 citations

Electronic spectra of the oxyanions of selenium in solution

1970 • 11 citations

Spirane—VIII

1971 • 10 citations

A useful spectrophotometric rate assay for pepsin

1971 • 10 citations

Rapid extraction and spectrophotometric determination of nickel(II) with isonitrosoacetophenone

1970 • 10 citations

Protonation of conjugated carbonyl groups in sulfuric acid solutions. III. α,β-Unsaturated ketosteroids

1970 • 9 citations

A Column Chromatographic Method for the Determination of Sulfanilamide in Pharmaceutical Preparations Containing Sulfacetamide or Its Sodium Salt

1970 • 8 citations

Spectrophotometric Determination of Anthramycin

1971 • 8 citations

Das Verteilungsverhalten der Heteropolywolframatos�uren

1970 • 6 citations

The U.V. spectra of some phenylchloro- and phenylfluorocyclotriphosphonitriles

1971 • 6 citations

Interaction between the carbonyl group and an α-sulphur atom. Part I. Infrared and ultraviolet spectra of some α-(alkylthio)thioesters

1971 • 5 citations

Applicability of a New Synthetic Dye-Labeled Substrate for Amylase Assay

1970 • 4 citations

Separation and Quantitative Assay of Furazolidone and Nifuroxime in Suppositories by Magnesium SilicateAdsorption Column Chromatography

1971 • 4 citations

Chelate formation between aluminium (III) and 2,5-dihydroxybenzoic acid spectrophotometric studies of the composition and stability

1971 • 4 citations

Applications of Spectroscopy in the Study of Glassy Solids Part I. Introduction, γ-Ray Spectroscopy (Mössbauer Effect), X-Ray Absorption Fine Structure, UV Absorption, and Visible Spectra

1970 • 3 citations

Method for determination of plastoquinone A and plastoquinol A levels in spinach chloroplasts

1970 • 1 citations

Separation and analysis of the isomers of α,α′-dimethylmuconic acid

1970 • 1 citations