mania
mania (may-niă) n. a state of mind characterized by excessive cheerfulness and increased activity. The mood is euphoric and changes rapidly to irritability. Thought and speech are rapid to the point of incoherence and the connections between ideas may be impossible to follow. Treatment is usually with drugs such as lithium or phenothiazines. See also
bipolar affective disorder.
—
manic (
man-ik) adj.
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Isonics to Present Production Update on Rare Biomedical Isotopes at Society of Nuclear Medicine's 52nd Annual Meeting in Toronto; Company to Highlight its New Agreements to Supply Actinium-225 and Indium-111 Isotopes to Cancer Researchers.
Business Wire; 6/16/2005; 700+ words
; ...June 20, will focus on Actinium-225 (Ac-225) a rare isotope...division has been delivering Ac-225 to cancer researchers...very rare radioisotope, Ac-225 is attracting steady...current world's supply of Actinium-225 by the end of calendar...
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The symbols of the chemical elements.
Magazine article from: Word Ways; 2/1/2002; ; 700+ words
; ...gold Hg mercury 81-85 Tl thallium Pb lead Bi bismuth Po polonium At astatine 86-90 Rn radon Fr francium Ra radium Ac actinium Th thorium 91-95 Pa protactinium U uranium Np neptunium Pu plutonium Am americium 96-100 Cm curium Bk berkelium...
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Kickshaws.
Magazine article from: Word Ways; 5/1/2007; 700+ words
; ...repeated occurrences? The symbols for most of the remaining chemical elements have two-letter symbols, running from Ac (actinium) to Zr (zirconium). There are a few element symbols using three-letter symbols, beginning Uu-, for the chemical...
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Study results from Curtin University of Technology update understanding of geophysics.(Report)
Newspaper article from: Physics Week; 12/2/2008; 700+ words
; ...developing clay-soil unit were resolved by the increased Ac-228 (actinium) to Tl-208 (thorium) channel response. In a separate...the spatial displacement of thorium-232 decay series Ac-228 and Tl-208 peaks, produced from decay events...
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Alpha-immunotherapy in cancer treatment. (Institute for Transuranium Elements develops radionuclide generator)
Newspaper article from: The BBI Newsletter; 6/1/1998; ; 635 words
; ...adopted a production decay chain of actinium-225 (Ac-225) to Bi-213 which does not...energy gamma radiation. However, Ac-225 is expensive to produce and...patented new methods of generating Ac-225 which promise greater flexibility...
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Engineered Liposomes for Potential [alpha]-Particle Therapy of Metastatic Cancer
Magazine article from: The Journal of Nuclear Medicine; 2/1/2004; ; 700+ words
; ...controlled targeting of ^sup 225^Ac to sites of disseminated tumor...with encapsulated ^sup 225^Ac were developed to retain the...site. Methods: ^sup 225^Ac was passively entrapped in liposomes...experimentally test the retention of actinium and its daughters by the liposomes...
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Gr-13. Linear drawing style.(GRAPHICAL REPRESENTATION STANDARDS FOR CHEMICAL STRUCTURE DIAGRAMS **)
Magazine article from: Pure and Applied Chemistry; 2/1/2008; ; 700+ words
; ...Bu [FORMULA NOT REPRODUCIBLE IN ASCII] Ac ([dagger]) [FORMULA NOT REPRODUCIBLE...ASCII] ([dagger]) The text used by the Ac and Pr abbreviations is identical to the element symbols for actinium and praseodymium, respectively. Those...
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Cancer drugs: the future? Cancer therapies that combine the killing power of radiation with the specificity of antibodies will soon be on the market.(News feature)(Report)
Magazine article from: Chemistry and Industry; 10/26/2009; ; 700+ words
; ...increase the availability of actinium-225 and bismuth-213, the...uranium. The alpha emitter actinium-225 is synthesised by spinning...but not, unfortunately, for Ac-225, which is too large...agent was needed to attach actinium-225 to the antibody and Scheinberg...
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Study data from Polytechnic University update understanding of cancer.
Newspaper article from: Cancer Weekly; 9/16/2008; 700+ words
; ...for micrometastatic disease. Actinium-225 has a 10-day half-life...particles per parent decay renderin Ac-225 an attractive candidate...targets, targeting strategies Ac-225 using radiolabeled carriers...proposed and showed using passive Ac-225 entrapment that liposomes...
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A magical pair of 6x6 chemical squares.
Magazine article from: Word Ways; 2/1/2004; ; 700+ words
; ...Tl.sub.81] [Pb.sub.82] [Ac.sub.89] [Es.sub.99] [Sg.sub...Iridium Platinum Mercury Thallium Lead Actinium Thorium Protactinium Plutonium Einsteinium...Re Os La Pm Sm Gd Tb Dy Ir Pt Hg Tl Pb Ac Yb W Au At Rn Fr Th Pa Pu Es Sg Hs U Cm...
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Actinium
Book article from: Chemistry: Foundations and Applications
Actinium melting point: 1,050...cm 3 most common ions: Ac 3+ Actinium has thirty-six isotopes...configuration of 5 f 0 6 d 7 s 2 . Actinium exists in an oxidation state...compounds. The isotope 227 Ac is found in uranium ores...
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Periodic Table of the Elements: Actinium
Book article from: The Columbia Encyclopedia, Sixth Edition
Periodic Table of the Elements: Actinium Periodic Table of the Elements: Actinium Atomic Number: 89 Atomic Symbol: Ac Actinium Atomic Weight: 227.0278 Electron Configuration: 2 ·...
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actinium
Book article from: World Encyclopedia
actinium (symbol Ac ) Radioactive, metallic element, the first...is found associated with uranium ores. Ac 227 , a decay product of U 235 , emits beta...5800°F); most stable isotope Ac 227 (half-life 21.8 yr).
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Actinium (revised)
Book article from: Chemical Elements: From Carbon to Krypton
...acceptable to most chemists. Actinium has chemical properties like...it in the periodic table. Actinium is also similar to radium...Row 7. Naturally occurring actinium is very rare in the Earth...few important uses. SYMBOL Ac ATOMIC NUMBER 89 ATOMIC MASS...
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Ac
Book article from: The Columbia Encyclopedia, Sixth Edition
Ac symbol for the element actinium .
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