نتایج جستجو برای: campbell sc models however
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trumpet of praise, and his enemies tried to give him a parting kick. We have nothing unkind to say of Sir George. True, lie once insulted the Calcutta doctors grievously by insinuating that they made false returns of their earnings. He was taken to book promptly and sharply on this account at the time. He was able to show that he was misled by statistics and made a frank and generous amende. Th...
Mr P C Clifford, consultant in general and vascular surgery at Frenchay Hospital, Bristol died suddenly on 21st February 1989 aged 39. Peter Campbell Clifford was born in December 1949 in Ruislip, Middlesex and was educated at the Royal Masonic School in Bushey. He studied medicine at Bristol University graduating MB ChB in 1973. After house jobs at Frenchay and Southmead hospitals he was appoi...
Campbell and Shiller (1987) proposed a graphical technique for the present value model which consists of plotting the spread and theoretical spread as calculated from the cointegrated vector autoregressive model. We extend these techniques to a number of rational expectation models and give a general definition of spread and theoretical spread. The main results are the asymptotic distributions ...
The superior colliculus (SC) and pulvinar are thought to function as a subcortical visual pathway that bypasses the striate cortex and detects fundamental facial information. We previously investigated neuronal responses in the SC and pulvinar of monkeys during a delayed nonmatching-to-sample task, in which the monkeys were required to discriminate among 35 facial photos of five models and othe...
The heat shock response (HSR) is an evolutionarily conserved pathway designed to maintain proteostasis and to ameliorate toxic effects of aberrant protein folding. We have studied the modulation of the HSR by the scrapie prion protein (PrP(Sc)) and amyloid β peptide (Aβ) and investigated whether an activated HSR or the ectopic expression of individual chaperones can interfere with PrP(Sc)- or A...
Pseudomonas aeruginosa is a ubiquitous environmental bacterium whose major catalase (KatA) is highly stable, extracellularly present, and required for full virulence as well as for peroxide resistance in planktonic and biofilm states. Here, we dismantled the function of P. aeruginosa KatA (KatA(Pa)) by comparing its properties with those of two evolutionarily related (clade 3 monofunctional) ca...
Prion diseases are fatal neurodegenerative disorders believed to be transmitted by PrP (Sc), an aberrant form of the membrane protein PrP (C). In the absence of an established form-specific covalent difference, the infectious properties of PrP (Sc) were uniquely ascribed to the self-perpetuation properties of its aberrant fold. Previous sequencing of the PrP chain isolated from PrP(27-30) showe...
Prion diseases are a heterogeneous group of neurodegenerative disorders affecting various mammals including humans. Prion diseases are characterized by a misfolding of the host-encoded prion protein (PrP(C)) into a pathological isoform termed PrP(Sc). In wild-type mice, PrP(C) is attached to the plasma membrane by a glycosylphosphatidylinositol (GPI) anchor and PrP(Sc) typically accumulates in ...
Spinal cord (SC) atrophy, i.e. a reduction in the SC cross-sectional area (CSA) over time, can be measured by means of image segmentation using magnetic resonance imaging (MRI). However, segmentation methods have been limited by factors relating to reproducibility or sensitivity to change. The purpose of this study was to evaluate a fully automated SC segmentation method (PropSeg), and compare ...
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