Actinium

Known as: Ac element, Actinium [Chemical/Ingredient] 
Actinium. A trivalent radioactive element and the prototypical member of the actinide family. It has the atomic symbol Ac, atomic number 89, and… (More)
National Institutes of Health

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2005
2005
The effect of external gamma irradiation on the kidneys is well described. However, the mechanisms of radiation nephropathy as a… (More)
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2004
2004
The alpha-particle emitting radionuclides (223)Ra (t(1/2) = 11.4 d), (224)Ra (t(1/2) = 3.6 d), and (225)Ac(t(1/2) = 10.0 d) may… (More)
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2004
2004
The present study explores the use of alpha-particle-emitting, bone-seeking agents as candidates for targeted radiotherapy… (More)
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1997
1997
We have investigated physical distances and directions of transposition of the maize transposable element Ac in Arabidopsis… (More)
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Highly Cited
1993
Highly Cited
1993
A two-component transposon system based on the Ac element of maize was used as a mutagen in Arabidopsis thaliana. Transposition… (More)
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1992
1992
An Ac-derived, two-component transposable element system has been developed and analyzed with respect to its use in Arabidopsis… (More)
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1991
1991
To develop a transposon tagging system in an important cereal plant, rice (Oryza sativa L.), the maize transposable element Ac… (More)
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1991
1991
Transposable elements have been successfully used to tag interesting genes in Antirrhinum majus [ 1, 2, 3]. One of the elements… (More)
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1991
1991
Transposition of the maize Activator (Ac) element was observed in transgenic rice. After protoplast transformation, Ac excision… (More)
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1989
1989
Chromosome breakage in maize can result from an interaction between certain transposable elements. When an Ac (Activator) element… (More)
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