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Showing 1 to 12 of 78 entries
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Revolving scanning transmission electron microscopy: Correcting sample drift distortion without prior knowledge

Theoretical frames STEM

LeBeau JM, Sang X.
GSID: wWm4slAY_JIJ
X Sang, JM LeBeau - Ultramicroscopy, 2014 - Elsevier

… We show that capturing a revolving series of STEM images can be used to measure drift … scan coordinate system between successive frames. Through theory and experiment, we show …

Numerical modeling of specimen geometry for quantitative energy dispersive X-ray spectroscopy.

Ultramicroscopy

Xu W, Dycus JH, LeBeau JM.
PMID: 28886487
Ultramicroscopy. 2018 Jan;184:100-108. doi: 10.1016/j.ultramic.2017.08.015. Epub 2017 Sep 01.

Transmission electron microscopy specimens typically exhibit local distortion at thin foil edges, which can influence the absorption of X-rays for quantitative energy dispersive X-ray spectroscopy (EDS). Here, we report a numerical, three-dimensional approach to model the geometry of general...

[Electrodes in checkered pattern for corticographic recordings].

Electroencephalography and clinical neurophysiology

LE BEAU J, DONDEY M, LECASBLE R, RIPOCHE A.
PMID: 14414839
Electroencephalogr Clin Neurophysiol. 1959 Nov;11:821-2. doi: 10.1016/0013-4694(59)90131-2.

No abstract available.

A validation study for duct tape end matches.

Journal of forensic sciences

Bradley MJ, Keagy RL, Lowe PC, Rickenbach MP, Wright DM, Lebeau MA.
PMID: 16696697
J Forensic Sci. 2006 May;51(3):504-8. doi: 10.1111/j.1556-4029.2006.00106.x.

Fracture matches are considered to be the strongest association achievable in forensic examinations of glass, metal, wood, plastic, paint, tape, and other trace evidence. Despite being fairly routine examinations, few publications exist to support their admissibility in court. This...

Ge(1-x) Mn(x) clusters: central structural and magnetic building blocks of nanoscale wire-like self-assembly in a magnetic semiconductor.

Nano letters

Bougeard D, Sircar N, Ahlers S, Lang V, Abstreiter G, Trampert A, Lebeau JM, Stemmer S, Saxey DW, Cerezo A.
PMID: 19751066
Nano Lett. 2009 Nov;9(11):3743-8. doi: 10.1021/nl901928f.

Controlled nanoscale self-assembly of magnetic entities in semiconductors opens novel perspectives for the tailoring of magnetic semiconductor films and nanostructures with room temperature functionality. We report that a strongly directional self-assembly in growth direction in Mn-alloyed Ge is due...

Genetic pathways leading to therapy-related myeloid neoplasms.

Mediterranean journal of hematology and infectious diseases

Stoddart A, McNerney ME, Bartom E, Bergerson R, Young DJ, Qian Z, Wang J, Fernald AA, Davis EM, Larson RA, White KP, Le Beau MM.
PMID: 21713073
Mediterr J Hematol Infect Dis. 2011;3(1):e2011019. doi: 10.4084/MJHID.2011.019. Epub 2011 May 16.

Therapy-related myeloid neoplasm (t-MN) is a distinctive clinical syndrome occurring after exposure to chemotherapy or radiotherapy. t-MN arises in most cases from a multipotential hematopoietic stem cell or, less commonly, in a lineage committed progenitor cell. The prognosis for...

Revolving scanning transmission electron microscopy: correcting sample drift distortion without prior knowledge.

Ultramicroscopy

Sang X, LeBeau JM.
PMID: 24444498
Ultramicroscopy. 2014 Mar;138:28-35. doi: 10.1016/j.ultramic.2013.12.004. Epub 2013 Dec 31.

We report the development of revolving scanning transmission electron microscopy--RevSTEM--a technique that enables characterization and removal of sample drift distortion from atomic resolution images without the need for a priori crystal structure information. To measure and correct the distortion,...

Airbrushed nickel nanoparticles for large-area growth of vertically aligned carbon nanofibers on metal (Al, Cu, Ti) surfaces.

ACS applied materials & interfaces

Sarac MF, Anderson BD, Pearce RC, Railsback JG, Oni AA, White RM, Hensley DK, LeBeau JM, Melechko AV, Tracy JB.
PMID: 24016419
ACS Appl Mater Interfaces. 2013 Sep 25;5(18):8955-60. doi: 10.1021/am401889t. Epub 2013 Sep 09.

Vertically aligned carbon nanofibers (VACNFs) were grown by plasma-enhanced chemical vapor deposition (PECVD) using Ni nanoparticle (NP) catalysts that were deposited by airbrushing onto Si, Al, Cu, and Ti substrates. Airbrushing is a simple method for depositing catalyst NPs...

Giant piezoelectricity of Sm-doped Pb(Mg.

Science (New York, N.Y.)

Li F, Cabral MJ, Xu B, Cheng Z, Dickey EC, LeBeau JM, Wang J, Luo J, Taylor S, Hackenberger W, Bellaiche L, Xu Z, Chen LQ, Shrout TR, Zhang S.
PMID: 31000659
Science. 2019 Apr 19;364(6437):264-268. doi: 10.1126/science.aaw2781. Epub 2019 Apr 18.

High-performance piezoelectrics benefit transducers and sensors in a variety of electromechanical applications. The materials with the highest piezoelectric charge coefficients (

The role of CD133 in cancer: a concise review.

Clinical and translational medicine

Glumac PM, LeBeau AM.
PMID: 29984391
Clin Transl Med. 2018 Jul 09;7(1):18. doi: 10.1186/s40169-018-0198-1.

Despite the abundant ongoing research efforts, cancer remains one of the most challenging diseases to treat globally. Due to the heterogenous nature of cancer, one of the major clinical challenges in therapeutic development is the cancer's ability to develop...

HUGO Gene Nomenclature Committee (HGNC) recommendations for the designation of gene fusions.

Leukemia

Bruford EA, Antonescu CR, Carroll AJ, Chinnaiyan A, Cree IA, Cross NCP, Dalgleish R, Gale RP, Harrison CJ, Hastings RJ, Huret JL, Johansson B, Le Beau M, Mecucci C, Mertens F, Verhaak R, Mitelman F.
PMID: 34615987
Leukemia. 2021 Nov;35(11):3040-3043. doi: 10.1038/s41375-021-01436-6. Epub 2021 Oct 06.

Gene fusions have been discussed in the scientific literature since they were first detected in cancer cells in the early 1980s. There is currently no standardized way to denote the genes involved in fusions, but in the majority of...

Thermal diffuse scattering in transmission electron microscopy.

Ultramicroscopy

Forbes BD, D'Alfonso AJ, Findlay SD, Van Dyck D, Lebeau JM, Stemmer S, Allen LJ.
PMID: 22088442
Ultramicroscopy. 2011 Dec;111(12):1670-80. doi: 10.1016/j.ultramic.2011.09.017. Epub 2011 Oct 01.

In conventional transmission electron microscopy, thermal scattering significantly affects the image contrast. It has been suggested that not accounting for this correctly is the main cause of the Stobbs factor, the ubiquitous, large contrast mismatch found between theory and...

Showing 1 to 12 of 78 entries