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Experiments were carried out in the hamster to compare the relative susceptibility of Necator americanus and Ancylostoma ceylanicum to treatment with ivermectin. A. ceylanicum was found to be 300 times more sensitive to the anthelmintic with a 50% effective dose (ED50) of the order of 10-15 micrograms kg-1 body weight whilst that for N. americanus(More)
The feeding behaviour of parasitic 3rd-stage larvae (L3) of the hookworms Ancylostoma caninum, A. ceylanicum and Necator americanus was examined. Less than 11% of A. caninum L3 recovered from the small intestines of dogs infected orally were feeding at 4-48 h post-infection (p.i.), and none of the A. ceylanicum L3 recovered from the intestines of orally(More)
A laboratory model of acquired immunity to human hookworm is described. Significant resistance to challenge infection with Ancylostoma ceylanicum was elicited in mature DSN hamsters. The serum and mucosal antibody responses were investigated in both quantitative and qualitative terms and changes associated with immunity were identified. Marked differences(More)
The immune response of hamsters to a chronic hookworm infection has been investigated. Ancylostoma ceylanicum caused long term infections in hamsters which were associated with prominent changes in secondary lymphoid organs. The mesenteric lymph nodes and spleens increased rapidly in size stabilizing at approximately 3-4 times the weight in control animals(More)
Experiments were carried out to ascertain whether the acute inflammatory phase of the intestinal response of hamsters to infection with Trichinella spiralis would adversely affect hookworms in concurrently infected animals. The survival and growth of hookworms were unaffected. However, the presence of hookworms reduced the establishment of T. spiralis, the(More)
Current processor allocation techniques for multicom-puters are based on centralized front-end based algorithms. As a result, the applied strategies are usually restricted to static, contiguous, structure preserving allocation, and suffer from low parallelism and weak fault tolerance. To lift these restrictions we are investigating a distributed approach to(More)
In which our hero discovers a much better way to refer to things in memory, and thinks about the importance of names. Sadly, our hero still has no name, at least, of which we know. Finally, our hero recalls Shakespeare and realizes that this current book is not very literary in comparison. In the play Romeo and Juliet, Shakespeare famously wrote " What's in(More)
The duration of primary infections with T. spiralis was dose-dependent with greater proportional loss of worms from heavily infected hamsters and longer persistence of worms in syngeneic DSN hamsters carrying initially low intensity infections. Intestinal worms were lost more rapidly from challenged immunized animals with over 80% loss of established worms(More)