Several aspects of the dynamics of convecting binary mixtures in large aspect ratio containers are analysed using high resolution numerical tools based on spectral methods. For two binary mixtures with separation ratio S = −0.127 and S = −0.021, we compute the Eckhaus stability boundaries of the spatially uniform travelling wave states arising in the primary subcritical bifurcation. The dynamic...

In order to test the hypothesis suggested in a recent report that the birthweight ratio might be a useful predictor of several important clinical outcome measures in babies of less than 31 weeks' gestation, we examined the association between the birthweight ratio and aspects of both short and long term outcome in 436 Leeds babies of less than 31 weeks' gestation. Unlike the report, and contrar...

In vitro studies have demonstrated that geometry of the carotid bifurcation predicts blood flow alterations associated with atherosclerotic plaque formation. We investigated intraindividual asymmetry of carotid atherosclerosis by measuring geometric aspects of the carotid bifurcation. We measured diameter stenosis, the internal carotid artery/common carotid artery area ratio, and the angle of t...

dementia is a syndrome encompassing many intellectual domains that can be broadly defined as an overall decline in intellectual function including difficulties with language, simple calculations, planning and judgment and motor skills as well as loss of memory. a genetic cause is identified in only a minority of patients, but patients and their family members are frequently concerned about the ...