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Chemical characterization of element 112
A more reliable chemical characterization of element 112, involving the production of two atoms of 283112 through the alpha decay of the short-lived 287114 and the adsorption of the two atoms on a gold surface, finds that element 112 is very volatile and, unlike radon, reveals a metallic interaction with the gold surface.
Synthesis of a new element with atomic number Z = 117.
The measured decay properties show a strong rise of stability for heavier isotopes with Z > or = 111, validating the concept of the long sought island of enhanced stability for superheavy nuclei.
Confirmation of the Decay of 283112 and First Indication for Hg-like Behavior of Element 112
Production routes of the alpha emitting 149Tb for medical application
The conclusion is made, that a dedicated cyclotron equipped with a modern ECR-ion source, providing high ion currents would allow the continuous production of batches of the order of 10–20 GBq of 149Tb for routine RI-therapy.
Indication for a volatile element 114
Abstract Recently, the chemical investigation of element 112 revealed a highly volatile, noble metallic behaviour, as expected for the last group 12 member of the periodic table. The observed…
Sex-Related Differences in the Human Metabolism of Plutonium
The renal clearance rate fell sharply to a minimum after 6-24 h, consistent with rapid binding of the tracer to transferrin, but a subsequent partial recovery up to 14-21d indicated a further change in the speciation of plutonium in the blood; lower rates in the women suggested possible sex-related differences in the balance of metabolites in the circulation.
Structure of polycarbonate track-etch membranes: Origin of the ¿paradoxical¿ pore shape
Ion track symmetric and asymmetric nanopores in polyethylene terephthalate foils for versatile applications
Preparation of 225Ac by 226Ra(γ, n) photonuclear reaction on an electron accelerator, MT-25 microtron
Abstract225Ac was prepared by the 226Ra(γ, n) reaction on an electron accelerator (MT-25 microtron) at FLNR. The radiation yield of 225Ac was 550 Bq/(μA h mg 226Ra). 225Ac was isolated from the…
Production and Decay of the Heaviest Nuclei
Yu. Ts. Oganessian,* F. Sh. Abdullin, C. Alexander, J. Binder, R. A. Boll, S. N. Dmitriev, J. Ezold, K. Felker, J.M. Gostic, R.K. Grzywacz, J. H. Hamilton, R. A. Henderson, M.G. Itkis, K. Miernik, D.…