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Isotopes

Known as: ISOTOPE, Isotopes [Chemical/Ingredient] 
A form of a chemical element in which the atoms have the same number of protons (part of the nucleus of an atom) but with a different number of… 
National Institutes of Health

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Related topics

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ElementsIn BloodRadioisotopesagonists

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stable isotope

Papers overview

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Highly Cited
2005
Highly Cited
2005
Use of NMR Spectroscopy in the Synthesis and Characterization of Air- and Water-Stable Silicon Nanoparticles from Porous Silicon
Air- and water-stable silicon nanocrystals were prepared by the bromine oxidation of porous silicon nanoparticles followed by… 
Highly Cited
1997
Highly Cited
1997
Synthesis, Reactivity, and Catalytic Behavior of Iron/Zinc-Containing Species Involved in Oxidation of Hydrocarbons under Gif-Type Conditions
The present study explores the nature and reactivity of iron- and zinc-containing species generated in hydrocarbon-oxidizing… 
Highly Cited
1993
Highly Cited
1993
Resonant diffraction of synchrotron radiation by a nuclear multilayer.
We report the observation of nuclear resonant diffraction of synchrotron radiation by a synthetic multilayer. The nuclear period… 
1973
1973
Measuring rates of appearance in systems which are not in steady state.
A general method is advanced for measuring the rate of appearance (production) of a chemical substance in an intact physiological… 
Highly Cited
1972
Highly Cited
1972
The efflux of magnesium from single crustacean muscle fibres
1. In the large single muscle fibres from the barnacle Balanus nubilus, the total fibre Mg concentration was estimated as 15·1 m… 
Highly Cited
1958
Highly Cited
1958
Organic syntheses with isotopes
Organic syntheses with isotopes , Organic syntheses with isotopes , مرکز فناوری اطلاعات و اطلاع رسانی کشاورزی 
Highly Cited
1956
Highly Cited
1956
Formation and binding of histamine by rat tissues in vitro.
Several rat tissues decarboxylate C14 l-histidine and bind the resulting histamine in stable form. The pyloric portion of the… 
Highly Cited
1955
Highly Cited
1955
A study with O18 of adenosine triphosphate formation in oxidative phosphorylation.
In a previous communication from this laboratory (1) a reaction of inorganic phosphate with water was described which occurred… 
Highly Cited
1950
Highly Cited
1950
The cytogenetic effect of slow neutrons.
HE study of the biological effect of different radiations has progressed as sources of the various radiations have been developed… 
1948
1948
The degradation of l-lysine in guinea pig liver homogenate; formation of alpha-aminoadipic acid.
A summary of the little that is known of the metabolism of lysine in animals is as follows: it is indispensable in the diet, its…