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Human Eosinophil Peroxidase Induces Surface Alteration, Killing, and Lysis of Mycobacterium tuberculosis
The data indicate that purified EPO shows significant inhibitory activity towards Mycobacterium tuberculosis H37Rv, and Morphological evidence confirmed that the mechanism of action of EPO against mycobacteria differs from that of MPO.
Chemical Composition and Biological Properties of Rhododendron anthopogon Essential Oil
The essential oil of Rhododendron anthopogon was investigated by GC-MS, and seventeen compounds (representing approximately 98% of the oil) were identified; a weak topical anti-inflammatory activity and a significant killing effect against some Gram-positive reference strains were revealed.
Development of a microdilution method to evaluate Mycobacterium tuberculosis drug susceptibility.
A new rapid microdilution method, employing the dye resazurin as an indicator of mycobacterial growth, resulted in a rapid, reliable, simple and inexpensive coloured method suitable for testing the susceptibility of M. tuberculosis clinical strains to first-line drugs.
Rapid flow cytometric studies of Borrelia burgdorferi phagocytosis by human polymorphonuclear leukocytes.
The interactions between a strain of Borrelia burgdorferi and human polymorphonuclear leukocytes were studied by flow cytometry in the presence of specific or non-specific opsonizing factors and results indicated that a low phagocytosis by isolated purified polymorphon Nuclear Leukocytes did occur in the absence of specific antibodies.
Evidence for l-fucose (6-deoxy-l-galactopyranose)-mediated adherence of Campylobacter spp. to epithelial cells
Inhibition was a function of l -fucose concentration and was not complete, suggesting that beside l - fucose other receptors—or nonspecific interactions—may cooperate in the cell binding by Campylobacter.
Evaluation of an immunoenzimatic test (ELISA) for the diagnosis of leptospirosis in Italy
To improve the sensitivity of the ELISA both antigens Wijnberg and Riccio 2 must be employed in the immunoenzimatic assay, since serogroup Australis must be considered as a new emerging serogroups causing human leptospirosis in the authors' country.
Serosurney on the presence of leptospiral agglutinins in humans in Northern Italy
The article reports data concerning a serosurvey carried out in the province of Gorizia as a part of a research project sponsored by the National Research Council on the epidemiological status of leptospirosis in Northen Italy, showing 8.29% agglutinin prevalence in healthy people, serovars bratislava, sejroe and canicola being predominant.
Studies on the interaction between macrophages and leptospires.
Guinea-pig macrophages exerted no bactericidal activity against either a virulent or a saprophytic strain of leptospira during a 120 min period of contact at 37 degrees C. However, the same