L J Allen
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Explore the profile of L J Allen including associated specialties, affiliations and a list of published articles.
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92
Citations
424
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Recent Articles
1.
Gureyev T, Quiney H, Kozlov A, Paganin D, Schmalz G, Brown H, et al.
Ultramicroscopy
. 2021 May;
230:113311.
PMID: 34011462
It has been argued that in atomic-resolution transmission electron microscopy (TEM) of sparse weakly scattering structures, such as small biological molecules, multiple electron scattering usually has only a small effect,...
2.
Gureyev T, Quiney H, Kozlov A, Allen L
Ultramicroscopy
. 2020 Aug;
218:113094.
PMID: 32823250
The relative roles of multiple electron scattering and in-molecule Fresnel diffraction in atomic-resolution transmission electron microscopy of small molecules are discussed. It is argued that, while multiple scattering tends to...
3.
Hartford L, Murphy P, Gray D, Maciver A, Clarke C, Allen L, et al.
Tech Coloproctol
. 2020 Apr;
24(6):563-571.
PMID: 32232594
Background: Prescription of opioid medication after ambulatory anorectal surgery may be excessive and lead to opioid misuse. The purpose of this study was to evaluate the efficacy of a multi-modality...
4.
Hage F, Kepaptsoglou D, Ramasse Q, Allen L
Phys Rev Lett
. 2019 Apr;
122(1):016103.
PMID: 31012678
Advances in source monochromation in transmission electron microscopy have opened up new possibilities for investigations of condensed matter using the phonon-loss sector of the energy-loss spectrum. Here, we explore the...
5.
Brown H, Chen Z, Weyland M, Ophus C, Ciston J, Allen L, et al.
Phys Rev Lett
. 2019 Jan;
121(26):266102.
PMID: 30636159
The projected electrostatic potential of a thick crystal is reconstructed at atomic resolution from experimental scanning transmission electron microscopy data recorded using a new generation fast-readout electron camera. This practical...
6.
Brown H, Ishikawa R, S Anchez-Santolino G, Shibata N, Ikuhara Y, Allen L, et al.
Ultramicroscopy
. 2018 Dec;
197:112-121.
PMID: 30594057
Most reconstructions of the electrostatic potential of a specimen at atomic resolution assume a thin and weakly scattering sample, restricting accurate quantification to specimens only tens of Ångströms thick. We...
7.
Allen L, Brown H, Findlay S, Forbes B
Microscopy (Oxf)
. 2017 Nov;
67(suppl_1):i24-i29.
PMID: 29140449
Phonon energy-loss spectroscopy using electrons has both high resolution and low resolution components, associated with short- and long-range interactions, respectively. In this paper, we discuss how these two contributions arise...
8.
Thornley C, Harte D, Weir R, Allen L, Knightbridge K, Wood P
Epidemiol Infect
. 2017 Jun;
145(11):2382-2389.
PMID: 28625225
A legionellosis outbreak at an industrial site was investigated to identify and control the source. Cases were identified from disease notifications, workplace illness records, and from clinicians. Cases were interviewed...
9.
Krause F, Rosenauer A, Barthel J, Mayer J, Urban K, Dunin-Borkowski R, et al.
Ultramicroscopy
. 2017 Jun;
181:173-177.
PMID: 28601013
This paper addresses a novel approach to atomic resolution elemental mapping, demonstrating a method that produces elemental maps with a similar resolution to the established method of electron energy-loss spectroscopy...
10.
Pollock J, Weyland M, Taplin D, Allen L, Findlay S
Ultramicroscopy
. 2017 May;
181:86-96.
PMID: 28527314
Position-averaged convergent beam electron diffraction patterns are formed by averaging the transmission diffraction pattern while scanning an atomically-fine electron probe across a sample. Visual comparison between experimental and simulated patterns...