New Mechanisms and New Materials for Organic Optical Nonlinearity (2005)
Peyghambarian, N., Mazumdar, S., Armstrong, N.
In order to be photorefractive, a material has to combine photogeneration, photoconductivity, trapping and electro-optic (EO) properties. For our work we have developed a guest/host polymer composite...
Nixon, J., Duffy, S., Armstrong, N., Craig, D., Glanville, J., Christie, J., ...
OBJECTIVES: Health-care technology reviews now increasingly include outcome costs as well as clinical effects. This study reports the findings and implications of a survey to explore the usefulness...
Nixon, J., Duffy, S., Armstrong, N., Craig, D., Glanville, J., Christie, J., ...
OBJECTIVES: Health-care technology reviews now increasingly include outcome costs as well as clinical effects. This study reports the findings and implications of a survey to explore the usefulness...
Nixon, J., Duffy, S., Armstrong, N., Craig, D., Glanville, J., Christie, J., ...
OBJECTIVES: Health-care technology reviews now increasingly include outcome costs as well as clinical effects. This study reports the findings and implications of a survey to explore the usefulness...
Bayesian inference of nanoparticle-broadened x-ray line profiles (2003)
Armstrong, N., Kalceff, W., Cline, J. P., Bonevich, J.
A single and self-contained method for determining the crystallite-size distribution and shape from experimental x-ray line profile data is presented. We have shown that the crystallite-size...
The influence of linguistic and social factors on the recent decline of French ne (2002)
In this article we present some results showing the decline in radio speech in the use of the French negative particle ne over the last forty years or so. These results derive from a comparison of...
The influence of linguistic and social factors on the recent decline of French ne (2002)
In this article we present some results showing the decline in radio speech in the use of the French negative particle ne over the last forty years or so. These results derive from a comparison of...
The influence of linguistic and social factors on the recent decline of French ne (2002)
In this article we present some results showing the decline in radio speech in the use of the French negative particle ne over the last forty years or so. These results derive from a comparison of...
Sports and children: consensus statement on organised sports for children (1998)
Micheli, L.J., Armstrong, N., Bar-Or, O., Boreham, C., Chan, K., Eston, R., ...
This consensus statement was prepared by an Ad Hoc Committee on Sports and Children of the International Federation of Sports Medicine (FIMS) and WHO during a symposium on sports and children held in...
Sports and children: consensus statement on organised sports for children (1998)
Micheli, L.J., Armstrong, N., Bar-Or, O., Boreham, C., Chan, K., Eston, R., ...
This consensus statement was prepared by an Ad Hoc Committee on Sports and Children of the International Federation of Sports Medicine (FIMS) and WHO during a symposium on sports and children held in...
Sports and children: consensus statement on organised sports for children (1998)
Micheli, L.J., Armstrong, N., Bar-Or, O., Boreham, C., Chan, K., Eston, R., ...
This consensus statement was prepared by an Ad Hoc Committee on Sports and Children of the International Federation of Sports Medicine (FIMS) and WHO during a symposium on sports and children held in...
Sports and children: consensus statement on organised sports for children (1998)
Micheli, L.J., Armstrong, N., Bar-Or, O., Boreham, C., Chan, K., Eston, R., ...
This consensus statement was prepared by an Ad Hoc Committee on Sports and Children of the International Federation of Sports Medicine (FIMS) and WHO during a symposium on sports and children held in...
Sports and children: consensus statement on organised sports for children (1998)
Micheli, L.J., Armstrong, N., Bar-Or, O., Boreham, C., Chan, K., Eston, R., ...
This consensus statement was prepared by an Ad Hoc Committee on Sports and Children of the International Federation of Sports Medicine (FIMS) and WHO during a symposium on sports and children held in...
Sports and children: consensus statement on organised sports for children (1998)
Micheli, L.J., Armstrong, N., Bar-Or, O., Boreham, C., Chan, K., Eston, R., ...
This consensus statement was prepared by an Ad Hoc Committee on Sports and Children of the International Federation of Sports Medicine (FIMS) and WHO during a symposium on sports and children held in...
Sports and children: consensus statement on organised sports for children (1998)
Micheli, L.J., Armstrong, N., Bar-Or, O., Boreham, C., Chan, K., Eston, R., ...
This consensus statement was prepared by an Ad Hoc Committee on Sports and Children of the International Federation of Sports Medicine (FIMS) and WHO during a symposium on sports and children held in...
Sports and children : consensus statement on organised sports for children (1998)
Micheli, L.J., Armstrong, N., Bar-Or, O., Boreham, C., Chan, K., Eston, R., ...
This consensus statement was prepared by an Ad Hoc Committee on Sports and Children of the International Federation of Sports Medicine (FIMS) and WHO during a symposium on sports and children held in...
Sports and children : consensus statement on organised sports for children (1998)
Micheli, L.J., Armstrong, N., Bar-Or, O., Boreham, C., Chan, K., Eston, R., ...
This consensus statement was prepared by an Ad Hoc Committee on Sports and Children of the International Federation of Sports Medicine (FIMS) and WHO during a symposium on sports and children held in...
An Organic Thin Film Laser Diode: A New and Novel Light Source. (1997)
Peyghambarian, N., Mazumdar, S., Armstrong, N., Kippelen, B.
This ONR program was focusing on the development of an entirely new diode laser, based upon electroluminescent organic thin films. During these three years, important milestones have been reached...
New Mechanisms and New Materials for Organic Optical Nonlinearity. (1997)
Peyghambarian, N., Mazumdar, S., Armstrong, N.
This program has been extremely successful with over 50 publications and presentations (see the enclosed publication list). During this period, we had two publications in Nature, two in Physical...
Prepubescents' ventilatory responses to exercise with reference to sex and body size (1997)
Armstrong, N, Kirby, BJ, McManus, AM, Welsman, JR
STUDY OBJECTIVES: To examine the ventilatory responses of prepubescent children to submaximal and peak exercise using appropriate allometric modeling to control for differences in body size. DESIGN:...
Efficient phase-matched second harmonic generation of blue light in an organic waveguide (1994)
Penner, T., Motschmann, H., Armstrong, N., Enzenyilimba, M., Williams, D.
Absence of branched chain acyl-transferase as a cause of maple syrup urine disease.
Danner, D J, Armstrong, N, Heffelfinger, S C, Sewell, E T, Priest, J H, Elsas, L J
Decreased function of human mitochondrial branched chain alpha-ketoacid dehydrogenase complex results in branched chain ketoacidemia or maple syrup urine disease. Activity of this multienzyme complex...
Patterns of physical activity among 11 to 16 year old British children.
Armstrong, N, Balding, J, Gentle, P, Kirby, B
OBJECTIVE--To examine the patterns of physical activity among British schoolchildren aged 11 to 16 and to assess whether the children experience the intensity and duration of physical activity that...
Absence of branched chain acyl-transferase as a cause of maple syrup urine disease.
Danner, D J, Armstrong, N, Heffelfinger, S C, Sewell, E T, Priest, J H, Elsas, L J
Decreased function of human mitochondrial branched chain alpha-ketoacid dehydrogenase complex results in branched chain ketoacidemia or maple syrup urine disease. Activity of this multienzyme complex...
Patterns of physical activity among 11 to 16 year old British children.
Armstrong, N, Balding, J, Gentle, P, Kirby, B
OBJECTIVE--To examine the patterns of physical activity among British schoolchildren aged 11 to 16 and to assess whether the children experience the intensity and duration of physical activity that...
In vitro preactivated human T cells engraft in SCID mice and migrate to murine lymphoid tissues.
Armstrong, N, Cigel, F, Borcherding, W, Hong, R, Malkovska, V
Mice with severe combined immunodeficiency (SCID) accept grafts of human T and B lymphocytes derived from resting peripheral blood mononuclear cells (PBMC). We wished to determine whether activated...
Armstrong, N., De Lencastre, A., Gouaux, E.
Production of folded and biologically active protein from Escherichia coli derived inclusion bodies can only be accomplished if a scheme exists for in vitro naturation. Motivated by the need for a...
Child-adult differences in whole blood lactate responses to incremental treadmill exercise.
The aim of this study was to evaluate whether fixed blood lactate reference values of 2.5 and 4.0 mmol.1(-1) corresponded to the equivalent intensity of exercise in prepubertal and teenage boys, and...
Responses of young girls to two modes of aerobic training.
Welsman, J R, Armstrong, N, Withers, S
OBJECTIVES: To investigate the physiological effects of two different three times a week, eight week training programmes on the aerobic fitness of nine to ten year old girls. METHODS: Treadmill...
Estimation of coronary risk factors in British schoolchildren: a preliminary report.
Armstrong, N, Balding, J, Gentle, P, Kirby, B
Surveys from several countries have identified the presence of risk factors known to be associated with coronary heart disease in children. Data on the distribution of coronary risk factor variables...
Daily physical activity and blood lactate indices of aerobic fitness in children.
This study examined the relationship between daily physical activity and aerobic fitness in 11-16-year-olds. Habitual physical activity was assessed in 28 boys (mean(s.d.) age 13.6(1.3) years) and 45...
Short term power output in relation to growth and maturation
Armstrong, N, Welsman, J, Chia, M
Objective—To examine short term power output during growth and maturation using a multilevel modelling approach.
Reliability of heart rate variability measures at rest and during light exercise in children
Winsley, R, Armstrong, N, Bywater, K, Fawkner, S
Methods: Short term (five minute) HRV was assessed in 12 children (11–12 years of age). HRV measures were collected at rest with the children supine, breathing at 12 breaths/min, and during...
Aerobic responses of prepubertal boys to two modes of training
Williams, C., Armstrong, N., Powell, J.
Objective—To investigate the effects of two contrasting eight week training programmes on the aerobic performance of 39 prepubescent boys (mean age 10.1 years).
An ergometric analysis of age group swimmers.
Thirteen male competitive swimmers (mean age 14.7 years) were studied during maximal exercise on a treadmill, cycle ergometer and biokinetic swim bench. The mean maximal oxygen uptake values elicited...
The specificity of energy utilisation by trained and untrained adolescent boys.
Armstrong, N., Davies, B., Heal, M.
This study examined the relationship between estimates of alactacid anaerobic power, lactacid anaerobic power and aerobic power in a sample of trained swimmers (age 14.4 yr., n = 8) and a sample of...
Physical activity patterns defined by continuous heart rate monitoring.
To investigate the physical activity patterns of British primary schoolchildren (mean (SD) 10.7 (0.3) years) the minute by minute heart rates of 67 boys and 65 girls were monitored continuously for...
Hussien, M M I, McNulty, H, Armstrong, N, Johnston, P G, Spence, R A J, Barnett, Y
Folate is required for DNA synthesis, repair and methylation. Low folate status has been implicated in carcinogenesis, possibly as a result of higher rate of genetic damage. The aim of this study is...