Efficacy of Gamma Ray and Electron Beam Irradiations for Inactivating Cryptosporidium parvum Oocysts
نویسندگان
چکیده
منابع مشابه
Improving the Nutritional Value of Sunflower Meal by Electron Beam and Gamma Ray Irradiations
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Cryptosporidium parvum is known as one of the most highly resistant parasites to gamma irradiation. To morphologically have an insight on the radioresistance of this parasite, ultrastructural changes in C. parvum sporozoites were observed after gamma irradiation using various doses (1, 5, 10, and 25 kGy) following a range of post-irradiation incubation times (10 kGy for 6, 12, 24, 48, 72, and 9...
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The survival of Cryptosporidium parvum oocysts in soil and water microhabitats may be affected by the environmental production and release of free ammonia. The objective of this study was to determine the effects of increasing free ammonia concentrations and times of exposure on oocyst viability. Wild-type oocysts were obtained from naturally infected calf feces by chemical (continuous-flow) ce...
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Six genera of rotifers including Philodina, Monostyla, Epiphanes, Euchlanis, Brachionus, and Asplanchna were exposed to oocysts of Cryptosporidium parvum cleaned of fecal debris. Unstained oocysts and those stained with fluorescein-conjugated monoclonal antibody were added to suspensions of viable rotifers and were examined by phase-contrast, differential interference contrast, and fluorescence...
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ژورنال
عنوان ژورنال: Journal of Japan Society on Water Environment
سال: 2006
ISSN: 0916-8958,1881-3690
DOI: 10.2965/jswe.29.79