Detection of Crystalline Silica in Lung Tissue by X-Ray Diffraction Analysis

Science ◽  
1937 ◽  
Vol 86 (2241) ◽  
pp. 544-545
Author(s):  
Rosalind Klaas ◽  
Henry C. Sweany ◽  
J. N. Mrgudich ◽  
G. L. Clark
Science ◽  
1937 ◽  
Vol 86 (2241) ◽  
pp. 544-545
Author(s):  
R. Klaas ◽  
H. C. Sweany ◽  
J. N. Mrgudich ◽  
G. L. Clark

Science ◽  
1937 ◽  
Vol 86 (2241) ◽  
pp. 544-545
Author(s):  
Rosalind Klaas ◽  
Henry C. Sweany ◽  
J. N. Mrgudich ◽  
G. L. Clark

Radiology ◽  
1938 ◽  
Vol 31 (3) ◽  
pp. 299-307 ◽  
Author(s):  
Henry C. Sweany ◽  
Rosalind Klaas ◽  
George L. Clark

1993 ◽  
Vol 58 (12) ◽  
pp. 2924-2935 ◽  
Author(s):  
Jane H. Jones ◽  
Bohumil Štíbr ◽  
John D. Kennedy ◽  
Mark Thornton-Pett

Thermolysis of [8,8-(PMe2Ph)2-nido-8,7-PtCB9H11] in boiling toluene solution results in an elimination of the platinum centre and cluster closure to give the ten-vertex closo species [6-(PMe2Ph)-closo-1-CB9H9] in 85% yield as a colourles air stable solid. The product is characterized by NMR spectroscopy and single-crystal X-ray diffraction analysis. Crystals (from hexane-dichloromethane) are monoclinic, space group P21/c, with a = 903.20(9), b = 1 481.86(11), c = 2 320.0(2) pm, β = 97.860(7)° and Z = 8, and the structure has been refined to R(Rw) = 0.045(0.051) for 3 281 observed reflections with Fo > 2.0σ(Fo). The clean high-yield elimination of a metal centre from a polyhedral metallaborane or metallaheteroborane species is very rare.


2008 ◽  
Vol 73 (8-9) ◽  
pp. 1205-1221 ◽  
Author(s):  
Jiří Zedník ◽  
Jan Sedláček ◽  
Jan Svoboda ◽  
Jiří Vohlídal ◽  
Dmitrij Bondarev ◽  
...  

Dinuclear rhodium(I) η2:η2-cycloocta-1,5-diene (series a) and η2:η2-norborna-2,5-diene (series b) complexes with μ-RCOO- ligands, where R is linear C21H43 (complexes 1a, 1b), CH2CMe3 (2a, 2b), 1-adamantyl (3a, 3b) and benzyl (4a, 4b), have been prepared and characterized by spectroscopic methods. Structures of complexes 2b, 3a and 4a were determined by X-ray diffraction analysis. Complexes prepared show low to moderate catalytic activity in polymerization of phenylacetylene in THF giving high-cis-transoid polymers, but they show only oligomerization activity in dichloromethane.


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