User profiles for Peter Ashcroft
Peter AshcroftNovartis Pharma AG Verified email at novartis.com Cited by 506 |
Global survey and statistics of radio-frequency interference in AMSR-E land observations
EG Njoku, P Ashcroft, TK Chan… - IEEE Transactions on …, 2005 - ieeexplore.ieee.org
Radio-frequency interference (RFI) is an increasingly serious problem for passive and active
microwave sensing of the Earth. To satisfy their measurement objectives, many spaceborne …
microwave sensing of the Earth. To satisfy their measurement objectives, many spaceborne …
Quantifying the impact of quarantine duration on COVID-19 transmission
The large number of individuals placed into quarantine because of possible severe acute
respiratory syndrome coronavirus 2 (SARS CoV-2) exposure has high societal and economic …
respiratory syndrome coronavirus 2 (SARS CoV-2) exposure has high societal and economic …
Post-launch calibration of the TRMM microwave imager
FJ Wentz, P Ashcroft… - IEEE Transactions on …, 2001 - ieeexplore.ieee.org
Three post-launch calibration methods are used to examine the Tropical Rainfall Measuring
Mission (TRMM) Microwave Imager (TMI) on-orbit performance. The first method is a …
Mission (TRMM) Microwave Imager (TMI) on-orbit performance. The first method is a …
On the relationship between serial interval, infectiousness profile and generation time
S Lehtinen, P Ashcroft… - Journal of the Royal …, 2021 - royalsocietypublishing.org
The timing of transmission plays a key role in the dynamics and controllability of an epidemic.
However, observing generation times—the time interval between the infection of an …
However, observing generation times—the time interval between the infection of an …
COVID-19 infectivity profile correction
The infectivity profile of an individual with COVID-19 is attributed to the paper Temporal
dynamics in viral shedding and transmissibility of COVID-19 by He et al., published in Nature …
dynamics in viral shedding and transmissibility of COVID-19 by He et al., published in Nature …
Fixation in finite populations evolving in fluctuating environments
The environment in which a population evolves can have a crucial impact on selection. We
study evolutionary dynamics in finite populations of fixed size in a changing environment. …
study evolutionary dynamics in finite populations of fixed size in a changing environment. …
[HTML][HTML] Test-trace-isolate-quarantine (TTIQ) intervention strategies after symptomatic COVID-19 case identification
The test-trace-isolate-quarantine (TTIQ) strategy, where confirmed-positive pathogen carriers
are isolated from the community and their recent close contacts are identified and pre-…
are isolated from the community and their recent close contacts are identified and pre-…
[HTML][HTML] Clonal dominance and transplantation dynamics in hematopoietic stem cell compartments
P Ashcroft, MG Manz, S Bonhoeffer - PLoS computational biology, 2017 - journals.plos.org
Hematopoietic stem cells in mammals are known to reside mostly in the bone marrow, but
also transitively passage in small numbers in the blood. Experimental findings have …
also transitively passage in small numbers in the blood. Experimental findings have …
When the mean is not enough: Calculating fixation time distributions in birth-death processes
Studies of fixation dynamics in Markov processes predominantly focus on the mean time to
absorption. This may be inadequate if the distribution is broad and skewed. We compute the …
absorption. This may be inadequate if the distribution is broad and skewed. We compute the …
MPN patients with low mutant JAK2 allele burden show late expansion restricted to erythroid and megakaryocytic lineages
R Nienhold, P Ashcroft, J Zmajkovic… - Blood, The Journal …, 2020 - ashpublications.org
Myeloproliferative neoplasms (MPNs) are clonal hematopoietic stem cell (HSC) diseases
characterized by increased proliferation of erythroid, megakaryocytic, and/or myeloid lineages. …
characterized by increased proliferation of erythroid, megakaryocytic, and/or myeloid lineages. …