Now showing items 1014-1033 of 213686

• #### A Semiparametric Intraday GARCH Model ﻿

(Department of Applied Economics, 2016-05-30)
We propose a multiplicative component model for intraday volatility. The model consists of a seasonality factor, as well as a semiparametric and parametric component. The former captures the well-documented intraday ...
• #### A simple and efficient transient transformation for hybrid aspen (Populus tremula × P. tremuloides) ﻿

(2012-08-07)
AbstractBackgroundThe genus Populus is accepted as a model system for molecular tree biology. To investigate gene functions in Populus spp. trees, generating stable transgenic lines is the common technique for functional ...
• #### A simple Bayesian estimate of direct RNAi gene regulation events from differential gene expression profiles ﻿

(2011-05-20)
Abstract Background Microarrays are commonly used to investigate both the therapeutic potential and functional effects of RNA interfering (RNAi) oligonucleotides such as microRNA (miRNA) and small interfering RNA (siRNA). ...
• #### A simple introduction to the economics of storage: shifting demand and supply over time and space ﻿

(Department of Applied Economics, 2016-12-01)
The literature on electrical energy storage (EES) is technical and complex which this paper aims to simplify. It quantifies the current scale, costs and value of different types of EES and compares them to peaking generators ...
• #### A simple way to identify non-viable cells within living plant tissue using confocal microscopy ﻿

(2008-06-23)
Abstract Background Plant cell death is a normal process during plant development. Mutant plants may exhibit misregulation of this process, which can lead to severe growth defects. Simple ways of visualising cell death in ...
• #### A single mutation in the core domain of the lac repressor reduces leakiness ﻿

(2013-07-08)
Abstract Background The lac operon provides cells with the ability to switch from glucose to lactose metabolism precisely when necessary. This metabolic switch is mediated by the lac repressor (LacI), which in the absence ...
• #### A straightforward method to compute average stochastic oscillations from data samples ﻿

(2015-10-19)
Abstract Background Many biological systems exhibit sustained stochastic oscillations in their steady state. Assessing these oscillations is usually a challenging task due to ...
• #### A structural role for the PHP domain in E. coli DNA polymerase III ﻿

(2013-05-14)
Abstract Background In addition to the core catalytic machinery, bacterial replicative DNA polymerases contain a Polymerase and Histidinol Phosphatase (PHP) domain whose function is not entirely understood. The PHP domains ...
• #### A study of long-term potentiation in transgenic mice over-expressing mutant forms of both amyloid precursor protein and presenilin-1 ﻿

(2010-07-14)
Abstract Synaptic transmission and long-term potentiation (LTP) in the CA1 region of hippocampal slices have been studied during ageing of a double transgenic mouse strain relevant to early-onset familial Alzheimer's disease ...
• #### A systematic review of reliability and objective criterion-related validity of physical activity questionnaires ﻿

(2012-08-31)
Abstract Physical inactivity is one of the four leading risk factors for global mortality. Accurate measurement of physical activity (PA) and in particular by physical activity questionnaires (PAQs) remains a challenge. ...
• #### A systematic review on the clustering and co-occurrence of multiple risk behaviours ﻿

(2016-07-29)
Abstract Background Risk behaviours, such as smoking and physical inactivity account for up to two-thirds of all cardiovascular deaths, and are associated with substantial ...
• #### A Systems Perspective on Standardisation in Technological Innovation: A Conceptual Framework and a Process Model Supporting Strategic Policy Foresight ﻿

(2017-01-30)
This thesis addresses conceptual and practical challenges in anticipating potential standardisation needs and developing relevant strategies throughout various stages of technological innovation. With increasing awareness ...
• #### A validation of the first genome-wide association study of calcaneus ultrasound parameters in the European Male Ageing Study ﻿

(2011-01-28)
Abstract Background A number of single nucleotide polymorphisms (SNPs) have been associated with broadband ultrasound attenuation (BUA) and speed of sound (SOS) as measured by quantitative ultrasound (QUS) at the calcaneus ...
• #### A VCG Auction for Electricity Storage ﻿

(Department of Applied Economics, 2016-04-25)
Energy storage seems set to play a key role in managing and balancing the future electricity system. Storage can act as a generator and as a load, providing both energy and ancillary services such as fast frequency response ...
• #### A web-database of mammalian morphology and a reanalysis of placental phylogeny ﻿

(2007-07-03)
Abstract Background Recent publications concerning the interordinal phylogeny of placental mammals have converged on a common signal, consisting of four major radiations with some ambiguity regarding the placental root. ...
• #### A whole genome screen for HIV restriction factors ﻿

(2011-11-14)
Abstract Background Upon cellular entry retroviruses must avoid innate restriction factors produced by the host cell. For human immunodeficiency virus (HIV) human restriction factors, APOBEC3 (apolipoprotein-B-mRNA-editi ...
• #### A Wnt1 Regulated Frizzled-1/beta-Catenin Signaling Pathway as a Candidate Regulatory Circuit Controlling Mesencephalic Dopaminergic Neuron-Astrocyte Crosstalk : Therapeutical Relevance for Neuron Survival and Neuroprotection ﻿

(2011-07-13)
Abstract Background Dopamine-synthesizing (dopaminergic, DA) neurons in the ventral midbrain (VM) constitute a pivotal neuronal population controlling motor behaviors, cognitive and affective brain functions, which generation ...
• #### A world allergy organization international survey on diagnostic procedures and therapies in drug allergy/hypersensitivity ﻿

(2011-12-15)
Abstract Objective To study the diagnostic and treatment modalities used in drug allergy/hypersensitivity among members of the World Allergy Organization (WAO). Methods A questionnaire comprising 39 questions was circulated ...
• #### An a$_{0}$ resonance in strongly coupled πη, K$\bar K$ scattering from lattice QCD ﻿

(American Physical Society, 2016-05-11)
We present the first calculation of coupled-channel meson-meson scattering in the isospin =1, G-parity negative sector, with channels πη, K$\bar K$ and πη′, in a first-principles approach to QCD. From the discrete spectrum ...
• #### A.I.P.R Bulletin ﻿

(Australian Intitute of Psychic Research, 1985-01)
Near death experiences detailed in the A.I.P.R Bulletin includes an article by John Wren-Lewis.