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Background:Aspergillus species are the most frequent causes of invasive mold infections in immunocompromised patients, particularly those who underwent chemotherapy for hematologic malignancies. The aim of this study was to determine the incidence and efficiency of the PCR-enzyme linked immunosorbent assay method (PCR-ELISA) for early detection of Aspergillus species in patients with hematologic...
Triphenylphosphine undergoes a smooth addition reaction with dialkyl acetylenedicarboxylates in the presence of isatin or 5-bromoisatin to produce stable crystalline phosphorus ylides. These products exist as a mixture of two geometrical isomers. Dynamic NMR effects have been observed in the 1H NMR spectra of dimethyl 2-(2,3-dioxo-2,3-dihydro-1H-indol-1-yl)-3-(1,1,1-triphenyl-_5-phosphanylidene)-succinate...
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