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Despite the discovery of thrombopoietin (TPO) and its contribution to megakaryocytopoiesis, the exact mechanisms and sites of platelet production are unknown. It has been shown that mature megakaryocytes (MKs) functionally express the stromal-derived factor 1 (SDF-1) receptor, CXCR4. SDF-1-induced migration of mature MKs through endothelial cell layers(More)
Cloned lines of the four rodent Plasmodium species can be differentiated by the RFLP pattern generated following Southern blotting and probing with PCsv4.1, a probe derived from a P. chabaudi chabaudi genomic library. Groups of CBA/Ca mice were inoculated simultaneously with cloned lines from two parasite species or strains. Six mixed species and three(More)
A simulation model of a herd of grazing cattle, which has been developed to provide insight into the infection dynamics of E. coli O157 is described. The spatially explicit model enables the modelling of the infection transmission processes to be realistically addressed under field management conditions. The model is used to explore the efficacy of various(More)
A stochastic simulation model was used to assess the efficacy of potential measures to control the levels of Escherichia coli O157 within the bovine host. The model described E. coli O157 population sizes at several sites along the bovine gut and therefore only interventions that operate at an individual animal level could be evaluated. In order to use the(More)
A DNA probe, PCsv4.1, isolated from Plasmodium chabaudi chabaudi AS, generates in Southern blotting experiments restriction fragment length polymorphisms specific to a particular rodent malaria parasite line. It was used to develop an assay which allows identification and semi-quantitative compositional analysis of sample parasite populations in which one(More)
Escherichia coli 0157 can cause serious illness, even death, in humans. There is some consensus that the main reservoirs of this harmful bacterium are the rumens and intestines of cattle. Hence, a stochastic model of the bovine gut was developed to investigate the in vivo population dynamics of E. coli O157. Because bacterial numbers can reach minimal(More)
Power spectral analysis has attracted attention because of its potential for non-invasive cardiac diagnosis. However, time-frequency analysis of first heart sound frequency dynamics from canine epicardium has demonstrated that cardiac vibrations are fundamentally multi-component and non-stationary, questioning the validity of power spectral techniques. In(More)
  • J C Wood
  • 1970
the theme of socio-therapy on an acute admission ward. In the current climate of extolling the virtues of community care and relegating in-patient care to institutionalism with its ills, to read about creatively organising the delivery of in-patient care is hearten ing. My basic training in psychiatry (early 1980s) involved working in a therapeutic(More)