Sturtevant, B., Quinn, V., Robert, L-E., Kneeshaw, D., James, P., Fortin, M-J., ...
The balance of evidence suggests forest insect outbreaks today are more damaging than ever because of changes in forest composition and structure induced by fire suppression and post-harvest...
Ryan, E. P., Sangwin, C. J., Townsend, P.
A tracking problem is considered in the context of a class S of multi-input, multi-output, nonlinear systems modelled by controlled functional differential equations. The class contains, as a...
High extinction switching of SOAs for in-band crosstalk reduction in PON (2008)
Antony, C, Talli, G, Townsend, P, Bauwelinck, J, Smith, D, Lealman, I
Burst-mode operation in next-generation large-split, long-reach 10 Gbit/s passive optical networks (PONs) poses challenging requirements on optical network unit (ONU) design. One critical requirement...
Califano, Marco, Vinh, N. Q., Phillips, P. J., Ikonić, Z., Kelsall, R. W., Harrison, P., ...
We report the direct determination of nonradiative lifetimes in Si/SiGe asymmetric quantum well structures designed to access spatially indirect (diagonal) interwell transitions between heavy-hole...
Califano, M, Vinh, N Q, Phillips, P J, Ikonic, Z, Kelsall, R W, Harrison, P, ...
We report the direct determination of nonradiative lifetimes in Si/SiGe asymmetric quantum well structures designed to access spatially indirect (diagonal) interwell transitions between heavy-hole...
Califano, M., Vinh, N.Q., Phillips, P.J., Ikonić, Z., Kelsall, R.W., Harrison, P., ...
We report the direct determination of nonradiative lifetimes in Si∕SiGe asymmetric quantum well structures designed to access spatially indirect (diagonal) interwell transitions between heavy-hole...
Integrated metro and access network: PIEMAN (invited paper) (2007)
Talli, G, Chow, C, Townsend, P, Davey, R, De Ridder, T, Qiu, X, ...
We describe progress to date on the IST project PIEMAN (Photonic Integrated Extended Metro and Access Network, www.ist-pieman.org), which aims to build a radically new photonic (all-optical)...
Long reach passive optical networks (invited paper) (2007)
Townsend, P, Talli, G, Chow, C, MacHale, E, Anthony, C, Davey, R, ...
We discuss recent progress in the development of optically amplified, long reach passive optical networks, which aim to significantly reduce network complexity and cost by integrating metro and...
Integrated metro and access network: PIEMAN (invited paper). (2007)
TALLI, G, CHOW, C, TOWNSEND, P, DAVEY, R, De Ridder, Tine, Qiu, Xing-Zhi, ...
Long reach passive optical networks (invited paper) (2007)
TOWNSEND, P, TALLI, G, CHOW, C, MACHALE, E, ANTHONY, C, DAVEY, R, ...
Surfactant protein D is proatherogenic in mice (2006)
Sorensen, G.L., Madsen, J., Kejling, K., Tornoe, I., Nielsen, O., Townsend, P., ...
Surfactant protein D (SP-D) is an important innate immune defense molecule that mediates clearance of pathogens and modulates the inflammatory response. Moreover, SP-D is involved in lipid...
Toward Silicon-Based Lasers for Terahertz Sources (2006)
Lynch, S A, Paul, D J, Townsend, P, Matmon, G, Suet, Z, Kelsall, R W, ...
Producing an electrically pumped silicon-based laser at terahertz frequencies is gaining increased attention these days. This paper reviews the recent advances in the search for a silicon-based...
Progress in IST project PIEMAN towards a 10 Gbit/s, multi-wavelength long reach PON (2006)
Davey, R, De Ridder, T, Qiu, X, Ossieur, P, Krimmel, H, Smith, D, ...
Progress to date on the IST PIEMAN project (start date January 2006) to build a radically new photonic (all-optical) communication system is described.
Progress in IST project PIEMAN towards a 10 Gbit/s, multi-wavelength long reach PON (2006)
DAVEY, R, De Ridder, Tine, Qiu, Xing-Zhi, Ossieur, Peter, KRIMMEL, H, SMITH, D, ...
Silicon quantum cascade lasers for THz sources (2005)
Lynch, S. A., Paul, D. J., Townsend, P., Matmon, G., Kelsall, R. W., Ikonic, Z., ...
This paper covers some recent advances in the search for a silicon quantum cascade laser. These include intersubband lifetime measurements, growth of high quality structures on buried suicide layers,...
LO phonon scattering as a depopulation mechanism in Si/SiGe quantum cascades (2005)
Townsend, P., Paul, D. J., Lynch, S. A., Kelsall, R. W., Ikonic, Z., Harrison, P., ...
The linear optical phonon as a fast depopulation mechanism in Si/SiGe quantum cascade devices. Confirmed by pump-probe, the lifetime measurement is limited by the optical cycle of the source (
Lynch, S.A., Townsend, P., Matmon, G., Paul, D.J., Bain, M., Gamble, H.S., ...
There has been considerable interest in using impurity dopants in silicon, such as boron and phosphorus, since it was demonstrated that such materials can show emission in the THz region of the...
Intersubband lifetimes in p-Si∕SiGe terahertz quantum cascade heterostructures (2005)
Kelsall, R.W., Ikonic, Z., Murzyn, P., Pidgeon, C.R., Phillips, P.J., Carder, D., ...
Time-resolved studies of the dynamics of intersubband transitions are reported in three different strain symmetrized p-Si/SiGe multiple-quantum-well and quantum cascade structures in the far-infrared...
Scarabelli, T.M., Stephanou, A., Pasini, E., Gitti, G., Townsend, P., Lawrence, K., ...
Objectives: This study is aimed at investigating the novel use of minocycline for cardiac protection during ischemia/reperfusion (I/R) injury, as well as its mechanism of action. Background:...
Supergravity supertubes (2001)
Mateos, D, Emparan, R, Townsend, P
We find the asymptotic supergravity solution sourced by a supertube: a 1/4-supersymmetric D0-charged IIA superstring that has been blown up to a cylindrical D2-brane by angular momentum. It has no...
Green, D. H., Townsend, P., Bagshaw, O., Stokes, M. A.
We studied heart rate and rhythm changes during sevoflurane inhalation induction in 60 healthy, unpremedicated infants. Patients were allocated randomly to receive an incremental (2%...
Methods for Volume Metamorphosis (1995)
M. Chen, M. W. Jones, P. Townsend
The problem of creating a sequence of inbetween volumes smoothly transforming from one given volume to another is referred to as volume metamorphosis or volume morphing. Several methods that provide...
Methods for Volume Metamorphosis (1994)
Chen Jones And, M. Chen, M. W. Jones, P. Townsend
The problem of creating a sequence of inbetween volumes smoothly transforming from one given volume to another is referred to as volume metamorphosis or volume morphing. Several methods that provide...
Long term bradycardia by electrical pacing: a new method for studying heart rate reduction (1994)
Brown, M D, Davies, M K, Hudlicka, O, Townsend, P
Objective: The aim was to develop a method of inducing bradycardia on a chronic basis by electrical pacing and to study its effect upon myocardial capillarity in pigs. Methods: Farm pigs were...
PLENARY SESSIONPrimary processes in radiation damage (1980)
Townsend, P., Agullo-Lopez, F.
This paper surveys the low energy processes which might lead to the generation of intrinsic defects in insulators and semiconductors. Several clear guidelines are apparent but only for the alkali...
PLENARY SESSIONPrimary processes in radiation damage (1980)
Townsend, P., Agullo-Lopez, F.
This paper surveys the low energy processes which might lead to the generation of intrinsic defects in insulators and semiconductors. Several clear guidelines are apparent but only for the alkali...
PLENARY SESSIONPrimary processes in radiation damage (1980)
Townsend, P., Agullo-Lopez, F.
This paper surveys the low energy processes which might lead to the generation of intrinsic defects in insulators and semiconductors. Several clear guidelines are apparent but only for the alkali...
Thesis (M.Agr.Sc.)--University of Canterbury, 1980.
Wintersgill, M., Townsend, P., Cusso-Perez, F.
In commercial dosimeter material LiF : Mg : Ti the concentrations of the impurity ions are chosen to optimise the thermoluminescence. It has been assumed that the luminescence occurs by hole capture...
Wintersgill, M., Townsend, P., Cusso-Perez, F.
In commercial dosimeter material LiF : Mg : Ti the concentrations of the impurity ions are chosen to optimise the thermoluminescence. It has been assumed that the luminescence occurs by hole capture...
Wintersgill, M., Townsend, P., Cusso-Perez, F.
In commercial dosimeter material LiF : Mg : Ti the concentrations of the impurity ions are chosen to optimise the thermoluminescence. It has been assumed that the luminescence occurs by hole capture...
Badger, I L, Townsend, P, Buckels, J A
A leporine model to investigate tumour necrosis factor alpha (TNF alpha) secretion after peripheral vein or mesenteric vein lipopolysaccharide injection was devised. Mesenteric vein injection...
STRONG, P, TOWNSEND, P, MACKAY, R, REID, K B M, CLARK, H W
C57Bl6 mice sensitized to Dermatophagoides pteronyssinus and challenged with D. pteronyssinus allergen extract given intranasally followed by treatment with intranasal applications of a 60-kDa...
Control of cyclic AMP levels in primary cultures of human tracheal smooth muscle cells.
Hall, I. P., Widdop, S., Townsend, P., Daykin, K.
1. [3H]-adenosine 3':5'-cyclic monophosphate ([3H]-cyclic AMP) responses were studied in primary cultures of human tracheal smooth muscle cells derived from explants of human trachealis muscle and in...
Book Review - Poverty in the United Kingdom
Professor Townsend's monumental study of poverty in the United Kingdom has been long awaited. It is based on a specially commissioned household survey and the results are meticulously documented. It...
Widening inequality of health in northern England, 1981-91.
Phillimore, P., Beattie, A., Townsend, P.
OBJECTIVE--To identify relative and absolute changes in mortality in the Northern region of England between 1981 and 1991. DESIGN--1981 and 1991 census data were used to rank 678 wards on an index of...