Jeffrey B Helms

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OBJECTIVE To determine the differences between white and black women with regard to the presentation and behavior of adenocarcinoma of the endometrium. METHOD Records of 273 (68%) white patients and 117 (32%) black patients with endometrial adenocarcinoma were reviewed in Bloemfontein, South Africa. Survival data was calculated according to the direct(More)
beta-Hematin, the metalloporphyrin coordination polymer present in malaria pigment, is prepared in high yield by the abstraction of HCl from hemin with a non-coordinating base in strictly anhydrous conditions. The product of this preparation is characterized by elemental analysis, infrared and diffuse reflectance spectroscopies and demonstrated to be(More)
A series of mixed-ligand 2,2'-bipyridine (bpy) and 1,10-phenanthroline (phen) rhenium(I) dicarbonyl complexes that are emissive in fluid solution has been prepared, which includes a new class of the type cis-[Re(CO)2(P-P)(N-N)]+ (where P-P is a chelating diphosphine and N-N is a chelating polypyridine ligand). The four synthetic routes that have been(More)
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