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Showing 1 to 12 of 41 entries
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Effective and rapid technique for temporal response modeling of surface acoustic wave interdigital transducers.

Ultrasonics

Fall D, Duquennoy M, Ouaftouh M, Piwakowski B, Jenot F.
PMID: 28988142
Ultrasonics. 2018 Jan;82:371-378. doi: 10.1016/j.ultras.2017.09.018. Epub 2017 Sep 27.

Surface Acoustic Wave Interdigital Transducers (SAW-IDT) has a considerable application potential for characterization of properties of thin layers, coatings and functional surfaces. For optimization of these SAW-IDTs, it is necessary to study various SAW-IDT configurations by varying the number...

Characterization of micrometric and superficial residual stresses using high frequency surface acoustic waves generated by interdigital transducers.

The Journal of the Acoustical Society of America

Duquennoy M, Ouaftouh M, Deboucq J, Lefebvre JE, Jenot F, Ourak M.
PMID: 25669247
J Acoust Soc Am. 2013 Dec;134(6):4360. doi: 10.1121/1.4826176.

Controlling thin film deposition of materials and property gradients is a major challenge for the implementation of applications in microelectronics or glassmaking. It is essential to control the level of residual stress and thus important to have the right...

Inclusions detection using Lamb waves in flexible printed circuits.

Ultrasonics

Jenot F, Ouaftouh M, Xu WJ, Duquennoy M, Ourak M.
PMID: 16808943
Ultrasonics. 2006 Dec 22;44:e1163-7. doi: 10.1016/j.ultras.2006.05.159. Epub 2006 Jun 08.

The materials used for the manufacture of flexible printed circuits are selected according to various characteristics: thermal and electrical behavior, moisture absorption, flexibility... Those are determined by the basic materials of the three components of the circuit, which are...

Evidence for hyperacute rejection of human liver grafts: The case of the canary kidneys.

Clinical transplantation

Starzl TE, Demetris AJ, Todo S, Kang Y, Tzakis A, Duquesnoy R, Makowka L, Banner B, Concepcion W, Porter KA.
PMID: 21151799
Clin Transplant. 1989;3:37-45.

Sequential liver and kidney transplantation from the same donor was performed in 2 patients. The kidney in Patient 1, which was transplanted after the liver, was hyperacutely rejected and removed 6 hours later. The first liver as well as...

Development of interdigital transducer sensors for non-destructive characterization of thin films using high frequency Rayleigh waves.

The Review of scientific instruments

Deboucq J, Duquennoy M, Ouaftouh M, Jenot F, Carlier J, Ourak M.
PMID: 21721722
Rev Sci Instrum. 2011 Jun;82(6):064905. doi: 10.1063/1.3600797.

In this paper, Rayleigh waves were generated and studied over a broad frequency range (5-50 MHz) and from the dispersion phenomenon, two substrate on layer type-samples with thin layer thicknesses of 1 μm and 500 nm, respectively, were characterized....

Origin of lymph node-derived lymphocytes in human hepatic allografts.

Clinical transplants

Fung JJ, Zeevi A, Demetris AJ, Starzl TE, Markus B, Chen K, Marrarri M, Duquesnoy RJ.
PMID: 23258949
Clin Transpl. 1989;3:316-324.

Hepatic allograft-derived lymph nodes were examined in the post-transplant period on order to determine the origin of lymphocytes and structural elements of the lymph node. Histologic assessment and immunohistochemical studies verified that T-cell infiltration of donor lymph nodes by...

Retrieval analyses of total hip replacements.

The International journal of risk & safety in medicine

Hildebrand HF, Laffargue P, Decoulx J, Duquennoy A, Mestdagh H.
PMID: 23511895
Int J Risk Saf Med. 1996;8(1):125-34. doi: 10.3233/JRS-1996-8122.

Metal ion release was assessed in 31 patients with loosening of total hip replacements (THR). Three types of alloys were used for these prostheses: stainless steel (9/31), Ni-Cr-Mo (5/31) and Co-Cr (17/31). The exposure periods were from 2 to...

Generation of broadband surface acoustic waves using a dual temporal-spatial chirp method.

The Journal of the Acoustical Society of America

Fall D, Duquennoy M, Ouaftouh M, Smagin N, Piwakowski B, Jenot F.
PMID: 28764437
J Acoust Soc Am. 2017 Jul;142(1):EL108. doi: 10.1121/1.4994676.

Wideband surface acoustic wave (SAW) generation with a spatial chirp-based interdigital transducer was optimized for non-destructive characterization and testing of coatings and thin layers. The use of impulse temporal excitation (Dirac-type negative pulse) leads to a wide band emitter...

Non-destructive characterization of surfaces and thin coatings using a large-bandwidth interdigital transducer.

The Review of scientific instruments

Fall D, Duquennoy M, Ouaftouh M, Smagin N, Piwakowski B, Jenot F.
PMID: 30599617
Rev Sci Instrum. 2018 Dec;89(12):124901. doi: 10.1063/1.5045213.

This paper deals with non-destructive testing of thin layer structures using Rayleigh-type waves over a broad frequency range (25-125 MHz). The dispersion phenomenon was used to characterize a layer-on-substrate-type sample comprising a thin layer of platinum 100 nm thick...

Assessment of Gram- and Viability-Staining Methods for Quantifying Bacterial Community Dynamics Using Flow Cytometry.

Frontiers in microbiology

Duquenoy A, Bellais S, Gasc C, Schwintner C, Dore J, Thomas V.
PMID: 32676069
Front Microbiol. 2020 Jun 26;11:1469. doi: 10.3389/fmicb.2020.01469. eCollection 2020.

Over the past years, gut microbiota became a major field of interest with increasing reports suggesting its association with a large number of human diseases. In this context, there is a major interest to develop analysis tools allowing simple...

Influence of the laser source position on the generation of Rayleigh modes in a layer-substrate structure with varying degrees of adhesion.

Ultrasonics

Robin M, Jenot F, Ouaftouh M, Duquennoy M.
PMID: 31670232
Ultrasonics. 2020 Mar;102:106051. doi: 10.1016/j.ultras.2019.106051. Epub 2019 Oct 15.

Non-Destructive Testing of adhesion using Surface Acoustic Waves (SAW) is an important issue in industrial and academic domains. Indeed, these waves are sensitive to the quality of adhesion at the interface between the substrate and the layer with a...

The NLRP3 p.A441V Mutation in .

ACR open rheumatology

Awad F, Assrawi E, Jumeau C, Odent S, Despert V, Cam G, Perdriger A, Louvrier C, Cobret L, Copin B, Chantot-Bastaraud S, Duquesnoy P, Piterboth W, Le Jeunne C, Quenum-Miraillet G, Siffroi JP, Georgin-Lavialle S, Grateau G, Legendre M, Giurgea I, Karabina SA, Amselem S.
PMID: 31777803
ACR Open Rheumatol. 2019 Jun 06;1(4):267-276. doi: 10.1002/acr2.1039. eCollection 2019 Jun.

OBJECTIVE: To determine the molecular and cellular bases of autoinflammatory syndromes in a multigenerational French family with Muckle-Wells syndrome and in a patient originating from Portugal with familial cold autoinflammatory syndrome.METHODS: Sequencing of RESULTS: The same heterozygous mutation (c.1322C>T,...

Showing 1 to 12 of 41 entries