Modelling the Galactic Magnetic Field on the Plane in 2D (2009)
Jaffe, T. R., Leahy, J. P., Banday, A. J., Leach, S. M., Lowe, S. R., Wilkinson, A.
We present a Markov chain Monte-Carlo (MCMC) method for modelling the Galactic magnetic field using total and polarised synchrotron emission data as well as rotation measures of extragalactic...
O'Grady, AP, Worldege, D, Wilkinson, A, Battaglia, M
Within canopy gradients in light-saturated photosynthesis (Amax), foliar nitrogen ([N]area) and leaf dark respiration (R15) were studied in the canopies of dominant and suppressed trees within an...
O'Grady, AP, Worldege, D, Wilkinson, A, Battaglia, M
Within canopy gradients in light-saturated photosynthesis (Amax), foliar nitrogen ([N]area) and leaf dark respiration (R15) were studied in the canopies of dominant and suppressed trees within an...
O'Grady, AP, Worldege, D, Wilkinson, A, Battaglia, M
Within canopy gradients in light-saturated photosynthesis (Amax), foliar nitrogen ([N]area) and leaf dark respiration (R15) were studied in the canopies of dominant and suppressed trees within an...
O'Grady, AP, Worldege, D, Wilkinson, A, Battaglia, M
Within canopy gradients in light-saturated photosynthesis (Amax), foliar nitrogen ([N]area) and leaf dark respiration (R15) were studied in the canopies of dominant and suppressed trees within an...
Wilkinson's work was partly funded by NSF Grant #DMS-0100314. (2007)
Charles Pugh, Michael Shub, Amie Wilkinson, C. Pugh, M. Shub, A. Wilkinson
A key feature of a general nonlinear partially hyperbolic dynamical system is the absence of dierentiability of its invariant splitting. In this paper, we show that often partial derivatives of the...
Spatial learning and memory in the tortoise (Geochelone Carbonaria) (2007)
Wilkinson, A., Chan, H.M., Hall, G.
A single individual of the species Geochelone carbonaria was trained in an eight-arm radial maze, with the apparatus and general procedures modelled on those used to demonstrate spatial learning in...
Maluleka, K, Wilkinson, A, Gumbo, M
In this article it is argued that indigenous technology with its long history cannot be ignored and should be as signed a more prominent place in the Technology Learning Area (TLA) within Curriculum...
Wilkinson, A., Young, D., Lueck, L., Cooper, J. M., Wilkockson, S, Leifert, C.
Yield and protein content of wheat produced under organic standards was repeatedly shown to be between 20 and 40% lower than levels achieved in conventional farming systems. This is thought to be at...
Wilkinson, A., Young, D., Lueck, L., Cooper, J. M., Wilkockson, S, Leifert, C.
Yield and protein content of wheat produced under organic standards was repeatedly shown to be between 20 and 40% lower than levels achieved in conventional farming systems. This is thought to be at...
Dynamics of Barred Galaxies (2006)
Sellwood, J. A., Wilkinson, A.
Some 30% of disc galaxies have a pronounced central bar feature in the disc plane and many more have weaker features of a similar kind. Kinematic data indicate that the bar constitutes a major...
Cotyledonoid leiomyoma of the uterus. (2006)
Maimoon, S, Wilkinson, A, Mahore, S, Bothale, K, Patrikar, A
Calibration and testing of the Planck-LFI QM instrument (2006)
Mennella, A., Aja, B., Artal, E., Balasini, M., Baldan, G., Battaglia, P., ...
Proceedings of SPIE. Vol. 6265, 62650G
Nutritional bioactives in tropical fruit (2006)
Wilkinson, A, Hewavitharana, A, Flanagan, B M, Dietzgen, R G, Monteith, G R, Shaw, P N, ...
Nutritional bioactives in tropical fruit (2006)
Wilkinson, A, Hewavitharana, A, Flanagan, B M, Dietzgen, R G, Monteith, G R, Shaw, P N, ...
Rajguru, N., Myers, S. T., Battye, R. A., Bond, J. Richard, Cleary, K., Contaldi, C. R., ...
We present coincident observations of the Cosmic Microwave Background (CMB) from the Very Small Array (VSA) and Cosmic Background Imager (CBI) telescopes. The consistency of the full datasets is...
Enhanced Fading Rates Produced During Ionospheric Modification, (2005)
When very high power radiowaves are reflected from the ionosphere, modifications in the physical characteristics of the ambient plasma are produced. These include the production of field aligned...
Isomorphic Types for Open Coordination Systems (2005)
Open coordination systems traditionally force pro grammers to use a very limited set of types when com municating. As the system is open nothing is known at creation time about which processes will...
Offset balancing in pseudo-correlation radiometers for CMB measurements (2004)
Wilkinson, A., Mennella, M., Seiffert, D., Bersanelli, M., Kettle, N., Roddis, A.
In this paper we discuss a software method implmented in the Planck-LFI pseudo-correlation receivers which uses a tunable gain modulation factor, r, in the sky-load difference.
Cosmological parameter estimation using Very Small Array data out to ℓ= 1500 (2004)
Rebolo, R., Battye, R.A., Carreira, P., Cleary, K., Davies, R.D., Davis, R.J., ...
We estimate cosmological parameters using data obtained by the Very Small Array (VSA) in its extended configuration, in conjunction with a variety of other cosmic microwave background (CMB) data and...
Cosmological parameter estimation using Very Small Array data out to ℓ= 1500 (2004)
Rebolo, R., Battye, R.A., Carreira, P., Cleary, K., Davies, R.D., Davis, R.J., ...
We estimate cosmological parameters using data obtained by the Very Small Array (VSA) in its extended configuration, in conjunction with a variety of other cosmic microwave background (CMB) data and...
At the University of the Free State (UFS) the Unit for Quality Assurance and Management (UQAM) learned that developing and implementing a meaningful quality assurance process is not as easy as it...
Redon, N., Prévost, A., Guinet, D., Lautesse, P., Meyer, M., Rossé, B., ...
The structure of the very neutron-deficient rare-earth nuclei has been investigated in the first experiment with the EXOGAM gamma array coupled to the DIAMANT light charged particle detector using...
Redon, N., Prévost, A., Guinet, D., Lautesse, P., Meyer, M., Rossé, B., ...
The structure of the very neutron-deficient rare-earth nuclei has been investigated in the first experiment with the EXOGAM gamma array coupled to the DIAMANT light charged particle detector using...
Advanced pseudo-correlation radiometers for the Planck-LFI instrument (2003)
Mennella, A., Bersanelli, M., Butler, R. C., Maino, D., Mandolesi, N., Morgante, G., ...
The LFI (Low Frequency Instrument) on board the ESA Planck satellite is constituted by an array of radiometric detectors actively cooled at 20 K in the 30-70 GHz frequency range in the focal plane of...
Synchrotron Polarization at High Galactic Latitude (2003)
Abidin, Z. Zainal, Leahy, J. P., Wilkinson, A., Reich, P., Reich, W., Wielebinski, R.
We present preliminary results from mapping the high-latitude Galactic polarization with the Effelsberg Telescope at $\lambda$21 cm. Structures on the resulting maps are mostly on the scale of...
Preston, S.D., Steart, P.V., Wilkinson, A., Nicoll, J.A.R., Weller, R.O.
Accumulation of amyloid β (Aβ) in the extracellular spaces of the cerebral cortex and in blood vessel walls as cerebral amyloid angiopathy is a characteristic of Alzheimer's disease (AD) and the...
First results from the Very Small Array - IV. Cosmological parameter estimation (2003)
Rubino-Martin, J. A., Rebolo, R., Carreira, P., Cleary, K., Davies, R. D., Davis, R. J., ...
Synchrotron polarization at high galactic latitude (2003)
Abidin, Z. Z., Leahy, J. P., Wilkinson, A., Reich, P., Reich, W., Wielebinski, R.
We present preliminary results from mapping the high-latitude galactic polarization with the Effelsberg Telescope at lambda21 cm. Structures on the resulting maps are mostly on the scale of several...
Managing culture at British Airways: hype, hope and reality (2002)
Grugulis, Irena, Wilkinson, A.
Yes
Managing culture at British Airways: hype, hope and reality (2002)
Grugulis, Irena, Wilkinson, A.
Yes
Managing culture at British Airways: hype, hope and reality (2002)
Grugulis, Irena, Wilkinson, A.
Yes
Cultural control and the ‘culture manager’: employment practices in a consultancy (2000)
Grugulis, Irena, Dundon, T., Wilkinson, A.
Yes
Cultural control and the ‘culture manager’: employment practices in a consultancy (2000)
Grugulis, Irena, Dundon, T., Wilkinson, A.
Yes
Cultural control and the ‘culture manager’: employment practices in a consultancy (2000)
Grugulis, Irena, Dundon, T., Wilkinson, A.
Yes
Macias-Perez, J. F., Helbig, P., Quast, R., Wilkinson, A., Davies, R. D.
We present constraints on the cosmological constant lambda_0 and the density parameter Omega_0 from joint constraints from the analyses of gravitational lensing statistics of the Jodrell Bank-VLA...
CMB observations with the Jodrell Bank - IAC interferometer at 33 GHz (1999)
Dicker, S. R., Melhuish, S. J., Davies, R. D., Gutierrez, C. M., Rebolo, R., Harrison, D. L., ...
The paper presents the first results obtained with the Jodrell Bank - IAC two-element 33 GHz interferometer. The instrument was designed to measure the level of the Cosmic Microwave Background (CMB)...
Synchrotron Emission from the Galaxy (1998)
Galactic synchrotron emission is a potentially confusing foreground, both in total power and in polarization, to the Cosmic Microwave Background Radiation. It also contains much physical information...
The beginnings of disease control in London. (1980)
Thesis (Ph. D.)--University of Oxford, 1980.
Wilkinson, A, Oxford Univ. (GB).
Thesis (Ph.D.)
Wilkinson, A., Danino, V., Wisniewski-Dyé, F., Lithgow, J. K., Downie, J. A.
The growth of some strains of Rhizobium leguminosarum bv. viciae is inhibited by N-(3-hydroxy-7-cis tetradecenoyl)-l-homoserine lactone (3OH-C14:1-HSL), which was previously known as the small...
Effects of the Medicare Alzheimer's Disease Demonstration on caregiver burden and depression.
Newcomer, R, Yordi, C, DuNah, R, Fox, P, Wilkinson, A
STUDY QUESTION: Does improved access to community-based care reduce perceived burden and reported levels of depression among primary caregivers of people with dementia? DATA SOURCES: Baseline and...
The dissociation of glucose oxidase by sodium n-dodecyl sulphate.
Jones, M N, Manley, P, Wilkinson, A
1. The enzymic activity of glucose oxidase was determined as a function of pH and sodium n-dodecyl sulphate (SDS) concentration. 2. Glucose oxidase is not deactivated by SDS at pH 6 even after...
The interaction between Beta-lactoglobulin and sodium N-dodecyl sulphate.
1. The binding of sodium n-dodecyl sulphate to beta-lactoglobulin was studied in the pH range 3.5-7.0 by equilibrium dialysis, ultracentrifugation and microcalorimetry. 2. At low binding...
Automated adsorption isotherm device.
Wilkinson, A, Morowitz, H J, Lund, W
A device is described for the automated determination of the water adsorption isotherms of biological materials. The vapor pressure and weight of the adsorbate are measured directly with appropriate...
Wilkinson, A., Danino, V., Wisniewski-Dyé, F., Lithgow, J. K., Downie, J. A.
The growth of some strains of Rhizobium leguminosarum bv. viciae is inhibited by N-(3-hydroxy-7-cis tetradecenoyl)-l-homoserine lactone (3OH-C14:1-HSL), which was previously known as the small...
Effects of the Medicare Alzheimer's Disease Demonstration on caregiver burden and depression.
Newcomer, R, Yordi, C, DuNah, R, Fox, P, Wilkinson, A
STUDY QUESTION: Does improved access to community-based care reduce perceived burden and reported levels of depression among primary caregivers of people with dementia? DATA SOURCES: Baseline and...
The dissociation of glucose oxidase by sodium n-dodecyl sulphate.
Jones, M N, Manley, P, Wilkinson, A
1. The enzymic activity of glucose oxidase was determined as a function of pH and sodium n-dodecyl sulphate (SDS) concentration. 2. Glucose oxidase is not deactivated by SDS at pH 6 even after...
The interaction between Beta-lactoglobulin and sodium N-dodecyl sulphate.
1. The binding of sodium n-dodecyl sulphate to beta-lactoglobulin was studied in the pH range 3.5-7.0 by equilibrium dialysis, ultracentrifugation and microcalorimetry. 2. At low binding...
Automated adsorption isotherm device.
Wilkinson, A, Morowitz, H J, Lund, W
A device is described for the automated determination of the water adsorption isotherms of biological materials. The vapor pressure and weight of the adsorbate are measured directly with appropriate...
Attendance at a London casualty department
Wilkinson, A., Kazantzis, G., Williams, D. J., Dewar, R. A. D., Bristow, K. M., Miller, D. L.
Patients who attended the casualty department of the Middlesex Hospital during one week in 1973 were interviewed. A predominantly young and working population used the department. Relatively few...
Fracture of the sternum in children
Ferguson, L, Wilkinson, A, Beattie, T
Objective: Sternal fracture is poorly characterised in children. The purpose of this study was to gain insight into the mechanism, radiological characteristics, and accompanying injuries of sternal...
Imaging infants with head injury: effect of a change in policy
Browning, J, Reed, M, Wilkinson, A, Beattie, T
Objective: Head injury is one of the commoner injuries presenting to the emergency department (ED). Infants are hard to assess clinically and emphasis has been placed on radiological examination....
A novel acropectoral syndrome maps to chromosome 7q36
Dundar, M., Gordon, T., Ozyazgan, I., Oguzkaya, F., Ozkul, Y., Cooke, A., ...
F syndrome (acropectorovertebral syndrome) is a dominantly inherited skeletal dysplasia affecting the hands, feet, sternum, and lumbosacral spine, which has previously been described in only two...
Rigby, M L, Pickering, D, Wilkinson, A
Thirty preterm infants (gestational age 26 to 30 weeks) were investigated by cross sectional echocardiography using a 5 or 7.5 MHz transducer positioned in the suprasternal notch or the left...
Natural history of innocent heart murmurs in newborn babies: controlled echocardiographic study
Arlettaz, R., Archer, N., Wilkinson, A.
AIM—To define the origin and the natural history of innocent heart murmurs in newborn infants. METHODS—Fifty healthy babies born at term with the clinical diagnosis of an innocent heart murmur...
Early onset group B streptococcal neonatal infection in Oxford 1985-96
Moses, L., Heath, P, Wilkinson, A, Jeffery, H, Isaacs, D
Of 74 920 babies live born in Oxford between 1985 and 1996, 41 (0.5 per 1000 95% CI 0.4-0.7) developed definite, culture confirmed, early onset (
Arlettaz, R, Archer, N, Wilkinson, A
AIMS—To define how often transient pulmonary branch stenosis (PBS) develops after closure of a patent ductus arteriosus (PDA) in babies born at less than 32 weeks gestation; to describe the natural...
Wood, N, Costeloe, K, Gibson, A, Hennessy, E, Marlow, N, Wilkinson, A, ...
Aims: To describe perinatal factors associated with later morbidity among extremely preterm children at 30 months of age corrected for prematurity.
Wood, N, Costeloe, K, Gibson, A, Hennessy, E, Marlow, N, Wilkinson, A
Aim: To define growth outcomes of a geographically defined population of extremely preterm babies.
UK population based study of severe retinopathy of prematurity: screening, treatment, and outcome
Haines, L, Fielder, A, Baker, H, Wilkinson, A
Background: Retinopathy of prematurity (ROP) is one of the few causes of childhood blindness in which severe vision impairment is largely preventable. Ophthalmic screening for ROP is required to...
Can we abolish skull x rays for head injury?
Reed, M, Browning, J, Wilkinson, A, Beattie, T
Objectives: To assess the effect of a change in skull x ray policy on the rate of admission, use of computed tomography (CT), radiation dose per head injury, and detection of intracranial injuries;...
Incidental radiological diagnosis of rickets
Rennie, L, Beattie, T, Wilkinson, A, Crofton, P, Bath, L
We present a series of patients attending our accident and emergency (A&E) department, over a five month period, where the diagnosis of rickets was primarily a radiological diagnosis.