Matthew D Walker
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Explore the profile of Matthew D Walker including associated specialties, affiliations and a list of published articles.
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21
Citations
374
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Recent Articles
1.
Bonney L, Walker M, McGowan D
EJNMMI Phys
. 2025 Feb;
12(1):10.
PMID: 39899172
Background: Zirconium-89 (Zr-89) PET tracers have become increasingly significant in the field of nuclear medicine due to their 3-day physical half-life, allowing for the study of dynamic biological processes over...
2.
Dedja M, Mehranian A, Bradley K, Walker M, Fielding P, Wollenweber S, et al.
EJNMMI Phys
. 2024 Mar;
11(1):28.
PMID: 38488923
Background: Investigate the potential benefits of sequential deployment of two deep learning (DL) algorithms namely DL-Enhancement (DLE) and DL-based time-of-flight (ToF) (DLT). DLE aims to enhance the rapidly reconstructed ordered-subset-expectation-maximisation...
3.
Islam F, Leung K, Walker M, Al Massri S, Shilton B
Front Pharmacol
. 2022 May;
13:838500.
PMID: 35517822
Human Quinone Reductase 2 (NQO2) is a pharmacological target and has appeared in numerous screening efforts as an off-target interactor with kinase-targeted drugs. However the cellular functions of NQO2 are...
4.
Mehranian A, Wollenweber S, Walker M, Bradley K, Fielding P, Huellner M, et al.
Eur J Nucl Med Mol Imaging
. 2022 May;
49(11):3740-3749.
PMID: 35507059
Purpose: To improve the quantitative accuracy and diagnostic confidence of PET images reconstructed without time-of-flight (ToF) using deep learning models trained for ToF image enhancement (DL-ToF). Methods: A total of...
5.
Walker M, Gear J, Craig A, McGowan D
Diagnostics (Basel)
. 2022 Jan;
12(1).
PMID: 35054361
Respiratory motion degrades the quantification accuracy of PET imaging by blurring the radioactivity distribution. In the case of post-SIRT PET-CT verification imaging, respiratory motion can lead to inaccuracies in dosimetric...
6.
Aide N, Lasnon C, Desmonts C, Armstrong I, Walker M, McGowan D
Semin Nucl Med
. 2021 Nov;
52(3):286-301.
PMID: 34823841
This article reviews the current evolution and future directions in PET/CT technology focusing on three areas: time of flight, image reconstruction, and data-driven gating. Image reconstruction is considered with advances...
7.
Mehranian A, Wollenweber S, Walker M, Bradley K, Fielding P, Su K, et al.
Eur J Nucl Med Mol Imaging
. 2021 Jul;
49(2):539-549.
PMID: 34318350
Purpose: To enhance the image quality of oncology [F]-FDG PET scans acquired in shorter times and reconstructed by faster algorithms using deep neural networks. Methods: List-mode data from 277 [F]-FDG...
8.
9.
Walker M, Morgan A, Bradley K, McGowan D
J Nucl Med
. 2020 Apr;
61(11):1678-1683.
PMID: 32245898
A data-driven method for respiratory gating in PET has recently been commercially developed. We sought to compare the performance of the algorithm with an external, device-based system for oncologic F-FDG...
10.
Ahmad S, Wang B, Walker M, Tran H, Stogios P, Savchenko A, et al.
Nature
. 2019 Nov;
575(7784):674-678.
PMID: 31695193
Bacteria have evolved sophisticated mechanisms to inhibit the growth of competitors. One such mechanism involves type VI secretion systems, which bacteria can use to inject antibacterial toxins directly into neighbouring...