A new role for a classical gene: white transports cyclic GMP (2008)
Evans, J.M., Day, J.P., Cabrero, P., Dow, J.A.T., Davies, S.A.
Guanosine 3'-5' cyclic monophosphate (cGMP) and adenosine 3'-5' cyclic monophosphate (cAMP) are important regulators of cell and tissue function. However, cGMP and cAMP transport have received...
The comfort triangles: a new tool for bioclimatic design (2007)
This thesis presents a new graphic tool to identify and select bioclimatic strategies according to climate conditions and comfort requirements. The Comfort Triangle relates outdoor daily temperature...
Haugan, T. J., Evans, J. M., Tolliver, J. C., Maartense, I., Barnes, P. N., Wong-Ng, W., ...
The effect of chemical composition substitutions on the flux pinning and physical properties of (Y,Nd) 1 + (XB(alpha2)-xCu3O7(-gamma)) superconductors was studied in powders processed by solid-state...
Higher-spin conserved currents in supersymmetric sigma models on symmetric spaces (2005)
Local higher-spin conserved currents are constructed in the supersymmetric sigma models with target manifolds symmetric spaces $G/H$. One class of currents is based on generators of the de Rham...
Quantum, higher-spin, local charges in symmetric space sigma models (2004)
Evans, J. M., Kagan, D., MacKay, N. J., Young, C. A. S.
Potential anomalies are analysed for the local spin-3 and spin-4 classically conserved currents in any two-dimensional sigma model on a compact symmetric space $G/H$, with $G$ and $H$ classical...
Evans, J. M., Kagan, D., Young, C. A. S.
Non-local conserved charges in two-dimensional sigma models with target spaces $SO(2n)/SO(n){\times}SO(n)$ and $Sp(2n)/Sp(n){\times}Sp(n)$ are shown to survive quantization, unspoiled by anomalies;...
Response of the Cardiovascular System to Vibration and Combined Stresses (2004)
Knapp, Charles F., Evans, J. M., Randall, D. R.
Studies of the previous year indicated an inability of cardiac denervated dogs to maintain stroke volume during the positive g sub z portion of sinusoidal plus or minus 2 g sub z acceleration stress...
Response of the Cardiovascular System to Vibration and Combined Stresses (2004)
Knapp, C. F., Evans, J. M., Randall, D. C., Charles, J. B., Kelley, B. S.
Contents: Heart Rate Responses of Humans to Sinusoidally Varying + or - 1 Gz Gravitational Stress; A new chronically instrumented animal preparation in which heart rate (via AV sequential pacing) can...
Knapp,Charles F., Evans,J. M., Randall,D. R.
The goal of this program is the understanding of cardiovascular responses to whole body, low frequency, sinusoidal acceleration loading of the intact physiological system. Our efforts in the early...
Commuting charges and symmetric spaces (2000)
Every classical sigma-model with target space a compact symmetric space $G/H$ (with $G$ classical) is shown to possess infinitely many local, commuting, conserved charges which can be written in...
Conserved charges and supersymmetry in principal chiral and WZW models (2000)
Evans, J. M., Hassan, M., MacKay, N. J., Mountain, A. J.
Conserved and commuting charges are investigated in both bosonic and supersymmetric classical chiral models, with and without Wess-Zumino terms. In the bosonic theories, there are conserved currents...
Local conserved charges in principal chiral models (1999)
Evans, J. M., Hassan, M., MacKay, N. J., Mountain, A. J.
Local conserved charges in principal chiral models in 1+1 dimensions are investigated. There is a classically conserved local charge for each totally symmetric invariant tensor of the underlying...
The No-ghost Theorem and Strings on AdS_3 (1998)
Evans, J. M., Gaberdiel, M. R., Perry, M. J.
A brief review of string theory on group manifolds is given, and comparisons are then drawn between Minkowski space, SU(2), and SU(1,1) = AdS_3. The proof of the no-ghost theorem is outlined,...
McCutcheon,E. P., Edwards,R. G., Evans,J. M., Lafferty,J. F., McCoy,D. F.
A Standard Psychophysiological Preparation (SPP) for the evaluation of the physiological and biomechanical mechanisms responsible for performance decrement during repeated, long term exposure to...
The No-ghost Theorem for AdS_3 and the Stringy Exclusion Principle (1998)
Evans, J. M., Gaberdiel, M. R., Perry, M. J.
A complete proof of the No-ghost Theorem for bosonic and fermionic string theories on AdS_3, or the group manifold of SU(1,1), is given. It is then shown that the restriction on the spin (in terms of...
On the Classification of Real Forms of Non-Abelian Toda Theories and W-algebras (1998)
We consider conformal non-Abelian Toda theories obtained by hamiltonian reduction from Wess-Zumino-Witten models based on general real Lie groups. We study in detail the possible choices of reality...
Conserved Charges and Supersymmetry in Principal Chiral Models (1997)
Evans, J. M., Hassan, M., MacKay, N. J., Mountain, A. J.
We report on investigations of local (and non-local) charges in bosonic and supersymmetric principal chiral models in 1+1 dimensions. In the bosonic PCM there is a classically conserved local charge...
The Octonionic Membrane (1997)
Duff, Michael J, Evans, J M, Khuri, R R, Lu, J X, Minasian, R
We generalize the supermembrane solution of D=11 supergravity by permitting the 4-form $G$ to be either self-dual or anti-self-dual in the eight dimensions transverse to the membrane. The self-dual...
The Octonionic Membrane (1997)
Duff, M. J., Evans, J. M., Khuri, R. R., Lu, J. X., Minasian, R.
We generalize the supermembrane solution of D=11 supergravity by permitting the 4-form $G$ to be either self-dual or anti-self-dual in the eight dimensions transverse to the membrane. After analyzing...
Integrability vs. Supersymmetry (1996)
We investigate (1,0)-superconformal Toda theories based on simple Lie algebras and find that the classical integrability properties of the underlying bosonic theories do not survive. For several...
Integrability vs. Supersymmetry (1996)
We investigate (1,0)-superconformal Toda theories based on simple Lie algebras and find that the classical integrability properties of the underlying bosonic theories do not survive. For several...
Real Forms of Non-abelian Toda Theories and their W-algebras (1996)
We consider real forms of Lie algebras and embeddings of sl(2) which are consistent with the construction of integrable models via Hamiltonian reduction. In other words: we examine possible...
Exact scattering in the SU(n) supersymmetric principal chiral model (1996)
Evans, J M, Hollowood, Timothy J
The complete spectrum of states in the supersymmetric principal chiral model based on SU(n) is conjectured, and an exact factorizable S-matrix is proposed to describe scattering amongst these states....
Exact results for integrable asymptotically-free field theories (1995)
Evans, J M, Hollowood, Timothy J
An account is given of a technique for testing the equivalence between an exact factorizable S-matrix and an asymptotically-free Lagrangian field theory in two space-time dimensions. The method...
Auxiliary fields for super Yang-Mills from division algebras (1994)
Division algebras are used to explain the existence and symmetries of various sets of auxiliary fields for super Yang-Mills in dimensions d=3,4,6,10. (Contribution to G\"ursey Memorial Conference I:...
The exact mass-gap of the supersymmetric O(N) sigma model (1994)
Evans, J M, Hollowood, Timothy J
A formula for the mass-gap of the supersymmetric O(N) sigma model (N>4) in two dimensions is derived: m/\Lambda_{\overline{\rm MS}}=2^{2\Delta}\sin(\pi\Delta)/(\pi\Delta), where \Delta=1/(N-2) and m...
The exact mass-gap of the supersymmetric CP$^{N-1}$ sigma model (1994)
Evans, J M, Hollowood, Timothy J
A formula for the mass-gap of the supersymmetric \CP^{n-1} sigma model (n > 1) in two dimensions is derived: m/\Lambda_{\overline{\rm MS}}=\sin(\pi\Delta)/(\pi\Delta) where \Delta=1/n and m is the...
Geometry and dynamics with time-dependent constraints (1994)
We describe how geometrical methods can be applied to a system with explicitly time-dependent second-class constraints so as to cast it in Hamiltonian form on its physical phase space. Examples of...
Geometry and dynamics with time-dependent constraints (1994)
We describe how geometrical methods can be applied to a system with explicitly time-dependent second-class constraints so as to cast it in Hamiltonian form on its physical phase space. Examples of...
Integrable theories that are asymptotically CFT (1994)
Evans, J M, Hollowood, Timothy J
A series of sigma models with torsion are analysed which generate their mass dynamically but whose ultra-violet fixed points are non-trivial conformal field theories -- in fact SU(2) WZW models at...
Supersymmetry algebras and Lorentz invariance for d = 10 super Yang-Mills (1994)
We consider ways in which conventional supersymmetry can be embedded in the set of more general fermionic transformations proposed recently [\Ref{B}] as a framework in which to study d=10 super...
Integrable N=2 Supersymmetric Field Theories (1992)
Evans, J. M., Hollowood, T. J.
Some additional references are included on the last 3 pages.
EVANS, J. M., BITHELL, J. F., VLACHONIKOLIS, I. G.
The effects of a range of concentrations of halothane upon lower oesophageal contractility (LOC) and on defined clinical signs has been studied in patients undergoing surgery. Changes in clinical...
EVANS, J. M., HOGG, M. I. J., ROSEN, M.
A system is described for measuring carbon dioxide output and alveolar carbon dioxide concentration in the neonate and for deriving the volume of alveolar ventilation. Air is drawn through a soft...
EVANS, J. M., HOGG, M. I. J., ROSEN, M.
The performance of an infra-red analyser (Beckman LB-2) in sampling alveolar gas at ventilatory frequencies and volumes occuring in the human neonate has been examined. The optimum sampling flow rate...
ACCIDENTAL INTRA-ARTERIAL INJECTION OF DRUGS: A HAZARD OF ARTERIAL CANNULATION (1974)
EVANS, J. M., LATTO, I. P., NG, W. S.
Three cases of accidental intra-arterial injection of drugs into indwelling arterial cannulae are described. The factors contributing to, and the dangers of, such accidents are outlined and a number...
Towards Content-Addressing in Data Bases (1972)
Coulouris, G. F., Evans, J. M., Mitchell, R. W.
The characteristics and performance of existing data base management systems are discussed and evaluated, and some benefits to be expected from hardware-aided content-addressing systems are...
ADRENALINE INFILTRATION IN VAGINAL SURGERY (1969)
SCHROEDER, H. G., EVANS, J. M.
Blood loss measurements were carried out on 89 cases of vaginal repair and 86 cases of vaginal hysterectomy using a haemoglobin extraction dilution technique. Aneasthesia consisted of thiopentone,...
Traditional elements in some English treatments of the Fall of Man [microform] / (1963)
Thesis (doctoral)--University of Oxford, 1963.
Potentially hazardous co-prescribing of beta-adrenoceptor antagonists and agonists in the community.
Evans, J M, Hayes, J L, Lipworth, B J, MacDonald, T M
AIM: The aim of this study was to investigate the co-prescribing of beta-antagonists and beta-agonists in the community, and to assess the potential hazards of such co-prescribing. METHODS: The study...
Observations on the effect of immersion in Bath spa water.
O'Hare, J P, Heywood, A, Summerhayes, C, Lunn, G, Evans, J M, Walters, G, ...
Immersion in water in spas has been practised for centuries and has many proponents. Despite fierce debate about its efficacy there has been little scientific evaluation of the effect of immersion in...
Frequency of HLA antigen in asbestos workers with and without pulmonary fibrosis.
Evans, C C, Lewinsöhn, H C, Evans, J M
HLA antigens were determined in 37 patients with asbestosis and 37 matched controls with equivalent asbestos exposure but no pulmonary fibrosis. All had worked in the same textile factory. No...
Degree and Duration of Reversal by Naloxone of Effects of Morphine in Conscious Subjects
Evans, J. M., Hogg, M. I. J., Lunn, J. N., Rosen, M.
The effects of intravenous naloxone on several of the actions of intravenous morphine (mean dose 30 mg/70 kg) were studied in six volunteer subjects. Naloxone produced a well defined reversal of the...
Reversal of narcotic depression in the neonate by nalozone.
Evans, J M, Hogg, M I, Rosen, M
Naloxone 40 mug was administered intravenously one minute after birth to 20 out of 44 neonates whose mother had been given pethidine in labour. These neonates were compared with 20 others whose...
Potentially hazardous co-prescribing of beta-adrenoceptor antagonists and agonists in the community.
Evans, J M, Hayes, J L, Lipworth, B J, MacDonald, T M
AIM: The aim of this study was to investigate the co-prescribing of beta-antagonists and beta-agonists in the community, and to assess the potential hazards of such co-prescribing. METHODS: The study...
Observations on the effect of immersion in Bath spa water.
O'Hare, J P, Heywood, A, Summerhayes, C, Lunn, G, Evans, J M, Walters, G, ...
Immersion in water in spas has been practised for centuries and has many proponents. Despite fierce debate about its efficacy there has been little scientific evaluation of the effect of immersion in...
Frequency of HLA antigen in asbestos workers with and without pulmonary fibrosis.
Evans, C C, Lewinsöhn, H C, Evans, J M
HLA antigens were determined in 37 patients with asbestosis and 37 matched controls with equivalent asbestos exposure but no pulmonary fibrosis. All had worked in the same textile factory. No...
Degree and Duration of Reversal by Naloxone of Effects of Morphine in Conscious Subjects
Evans, J. M., Hogg, M. I. J., Lunn, J. N., Rosen, M.
The effects of intravenous naloxone on several of the actions of intravenous morphine (mean dose 30 mg/70 kg) were studied in six volunteer subjects. Naloxone produced a well defined reversal of the...
Reversal of narcotic depression in the neonate by nalozone.
Evans, J M, Hogg, M I, Rosen, M
Naloxone 40 mug was administered intravenously one minute after birth to 20 out of 44 neonates whose mother had been given pethidine in labour. These neonates were compared with 20 others whose...
Evans, J M, McMahon, A D, Murray, F E, McDevitt, D G, MacDonald, T M
BACKGROUND: To evaluate the relation between non-steroidal anti-inflammatory drugs (NSAIDs) and colitis due to inflammatory bowel disease. METHODS: A case-control study was conducted using a...
Transcutaneous Doppler ultrasound measurement of superior mesenteric artery blood flow in man.
Qamar, M I, Read, A E, Skidmore, R, Evans, J M, Wells, P N
A duplex scanner which consists of a real time two dimensional scanner and a pulsed Doppler flowmeter was used to measure superior mesenteric blood flow in 70 healthy subjects. By processing the...
Measurement of normal portal venous blood flow by Doppler ultrasound.
Brown, H S, Halliwell, M, Qamar, M, Read, A E, Evans, J M, Wells, P N
The volume flow rate of blood in the portal vein was measured using a duplex ultrasound system. The many errors inherent in the duplex method were assessed with particular reference to the portal...
L-648,051, a novel cysteinyl-leukotriene antagonist is active by the inhaled route in man.
Evans, J M, Barnes, N C, Zakrzewski, J T, Sciberras, D G, Stahl, E G, Piper, P J, ...
1. We have studied some of the pharmacological properties of inhaled L-648,051 which has been shown to be a selective cysteinyl-leukotriene (LT) antagonist in vitro and in vivo in various animal...
Spencer, D A, Evans, J M, Green, S E, Piper, P J, Costello, J F
To determine whether the effects of platelet activating factor on the airways may be due to the production of leukotrienes we studied the effects of pretreatment with the selective cysteinyl...
Simple and versatile method for measuring oxygen consumption in infants.
Evans, J M, Gray, O P, Holland, B M, Wardrop, C A
A simple, rapid, and accurate method for measuring oxygen consumption in infants is described. Expired gas is entrained in a stream of air drawn through a gently applied face mask. Oxygen consumption...
A new role for a classical gene: white transports cyclic GMP
Evans, J.M., Day, J.P., Cabrero, P., Dow, J.A.T., Davies, S.A.
Guanosine 3'-5' cyclic monophosphate (cGMP) and adenosine 3'-5' cyclic monophosphate (cAMP) are important regulators of cell and tissue function. However, cGMP and cAMP transport have received...
Lower oesophageal contractility (LOC), a means of assessing anaesthesia 'depth', has been measured during anaesthesia for cardiac surgery. Appropriate changes in LOC were observed in association with...
Evans, J. M., McMahon, A. D., McGilchrist, M. M., White, G., Murray, F. E., McDevitt, D. G., ...
OBJECTIVE--To evaluate the relation between topically applied non-steroidal anti-inflammatory drugs and upper gastrointestinal bleeding and perforation. DESIGN--A case-control study with 1103...