Jason A. Donovan

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This study examines per trip consumer surplus associated with guided whitewater rafting on two southern rivers. First, household recreation demand functions are estimated based on the individual travel cost model using truncated count data regression methods and alternative price specifications. Findings show mean per tip consumer surplus point estimates(More)
Surface expression of the CD45 tyrosine phosphatase is essential for the T cell antigen receptor (TCR) to couple optimally with its second messenger pathways. CD45 may be required to dephosphorylate a TCR-activated protein tyrosine kinase, which then transduces an activation signal from the TCR. A chimeric molecule that contained extracellular and(More)
D-Glucose deprivation of primary rat brain glial cell cultures, by incubation with 25 mM D-fructose for 24 h, resulted in a 4-5-fold induction of D-glucose transport activity. In contrast, 24-h D-glucose starvation of primary rat brain neuronal cultures had only a marginal effect (1.5-2-fold) on D-glucose transport activity. Northern blot analysis of total(More)
Tyrosine phosphorylation of the Cbl protooncogene has been shown to occur after engagement of a number of different receptors on hematopoietic cells. However, the mechanisms by which these receptors induce Cbl tyrosine phosphorylation are poorly understood. Here we demonstrate that engagement of the high affinity IgE receptor (Fc epsilon R1) leads to the(More)
The long and winding road to creating viable businesses, and potential shortcuts The authors wish to thank the following case study collaborators for their valuable assistance in data collection and manuscript preparation: (Vietnam). We also wish to thank all the representatives of rural community enterprises, too numerous to mention here by name, who(More)
OBJECTIVE To assess the accuracy of surgeons and anaesthetists in predicting the time it will take them to complete an operation or procedure and therefore explain some of the difficulties encountered in operating theatre scheduling. DESIGN Single centre, prospective observational study. SETTING Plastic, orthopaedic, and general surgical operating(More)
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