Biomedical subjects
Publications and source records attributed to M Divizia.
A cytopathic strain of hepatitis A virus (HAV) has been used to evaluate the absorption-elution of several membranes. Filters were obtained from four different manufactures: Sartorius, Millipore, Gelman and Cuno. Only the electronegative HAWP (Millipore) and the electropositive (Cuno-Div.) filters appear to absorb HAV with a high efficiency.
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The aim of the present study was to evaluate the quality of the seawater in Alexandria, Egypt. Samples were collected in 6 different points: Kayet Bay, El Shatby, Camp Cesar, Sporting, Beir Massoud and El Max. In total, 24 samples were analyzed. For each point the analysis included estimation of the following parameters: Esherichia coli, total coliform and fecal streptococci, Yersinia, Shigella, Salmonella, bacteriophages and enteric viruses. Just one sample (El Max) was positive for the presence of Salmonella, neither Shigella or Yersinia were isolated from any of the analyzed points. E. coli was identified in 10 samples while the ratio between total coliform and fecal streptococci showed variable results with the exception of El Max that resulted constantly high. Three samples were positive for the presence of enteric viruses: El Shatby, Beir Massoud and Sporting. The analysis of phages showed a variable pollution values.