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Showing 1 to 12 of 177 entries
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Fabrication of high aspect ratio tungsten nanostructures on ultrathin c-Si membranes for extreme UV applications.

Nanotechnology

Delachat F, Le Drogoff B, Constancias C, Delprat S, Gautier E, Chaker M, Margot J.
PMID: 26630379
Nanotechnology. 2016 Jan 15;27(2):025304. doi: 10.1088/0957-4484/27/2/025304. Epub 2015 Dec 02.

In this work, we demonstrate a full process for fabricating high aspect ratio diffraction optics for extreme ultraviolet lithography. The transmissive optics consists in nanometer scale tungsten patterns standing on flat, ultrathin (100 nm) and highly transparent (>85% at...

Effects of heavy metals on nitrogen uptake by Paxillus involutus and mycorrhizal birch seedlings.

FEMS microbiology ecology

Blaudez D, Botton B, Chalot M.
PMID: 10922504
FEMS Microbiol Ecol. 2000 Jul 01;33(1):61-67. doi: 10.1111/j.1574-6941.2000.tb00727.x.

The effects of the heavy metals Cu, Cd, Ni, Pb and Zn on [(14)C]methylamine and [(14)C]aminoisobutyric acid uptake were studied in the free-living fungus Paxillus involutus and in mycorrhizal and non-mycorrhizal birch roots. The uptake of both N sources...

Electronically reconfigurable superimposed waveguide long-period gratings.

Journal of the Optical Society of America. A, Optics, image science, and vision

Kulishov M, Daxhelet X, Gaidi M, Chaker M.
PMID: 12152704
J Opt Soc Am A Opt Image Sci Vis. 2002 Aug;19(8):1632-48. doi: 10.1364/josaa.19.001632.

The perturbation to the refractive index induced by a periodic electric field from two systems of interdigitated electrodes with the electrode-finger period l is analyzed for a waveguide with an electro-optically (EO) active core-cladding. It is shown that the...

Theoretical spectrum of noisy optical pulse trains.

Applied optics

Lacaze B, Chabert M.
PMID: 18566616
Appl Opt. 2008 Jun 20;47(18):3231-40. doi: 10.1364/ao.47.003231.

The intensity of an ideal optical pulse train is often modeled as an exact periodic repetition of a given pulse-shape function with constant amplitude and width. Therefore, the ideal intensity power spectrum is a pure line power spectrum. However,...

Remarkably enhanced photocatalytic activity of laser ablated Au nanoparticle decorated BiFeO3 nanowires under visible-light.

Chemical communications (Cambridge, England)

Li S, Zhang J, Kibria MG, Mi Z, Chaker M, Ma D, Nechache R, Rosei F.
PMID: 23702988
Chem Commun (Camb). 2013 Jul 04;49(52):5856-8. doi: 10.1039/c3cc40363g. Epub 2013 May 23.

Hybrid photocatalysts consisting of single crystalline BiFeO3 nanowires and laser ablated Au nanoparticles were synthesized by a functionalization-step-free solution process. The 1.0 wt% Au nanoparticle decorated BiFeO3 nanowires exhibit ~30 times higher photocatalytic activity for water oxidation than that...

Genome-wide analysis of fungal manganese transporters, with an emphasis on Phanerochaete chrysosporium.

Environmental microbiology reports

Diss L, Blaudez D, Gelhaye E, Chalot M.
PMID: 23761283
Environ Microbiol Rep. 2011 Jun;3(3):367-82. doi: 10.1111/j.1758-2229.2010.00235.x. Epub 2011 Jan 20.

Genome-wide analysis of fungal manganese transporters was undertaken, making use of whole genome sequences available in fungal databases. A repertoire of 281 putative manganese transporters was found in total across 26 fungal species representing 20 fungal orders. The process...

Mass Measurement of 100Sn.

Physical review letters

Auger G, Casandjian JM, Chabert M, Chartier M, Fermé J, Fifield LK, Gillibert A, Lépine-Szily A, Lewitowicz M, Mac Cormick M, Mittig W, Moscatello MH, Odland OH, Orr NA, Politi G, Spitaels C, Villari AC.
PMID: 10061944
Phys Rev Lett. 1996 Sep 16;77(12):2400-2403. doi: 10.1103/PhysRevLett.77.2400.

No abstract available.

Microbial Community and Biochemical Dynamics of Biological Soil Crusts across a Gradient of Surface Coverage in the Central Mojave Desert.

Frontiers in microbiology

Mogul R, Vaishampayan P, Bashir M, McKay CP, Schubert K, Bornaccorsi R, Gomez E, Tharayil S, Payton G, Capra J, Andaya J, Bacon L, Bargoma E, Black D, Boos K, Brant M, Chabot M, Chau D, Cisneros J, Chu G, Curnutt J, DiMizio J, Engelbrecht C, Gott C, Harnoto R, Hovanesian R, Johnson S, Lavergne B, Martinez G, Mans P, Morales E, Oei A, Peplow G, Piaget R, Ponce N, Renteria E, Rodriguez V, Rodriguez J, Santander M, Sarmiento K, Scheppelmann A, Schroter G, Sexton D, Stephenson J, Symer K, Russo-Tait T, Weigel B, Wilhelm MB.
PMID: 29109701
Front Microbiol. 2017 Oct 23;8:1974. doi: 10.3389/fmicb.2017.01974. eCollection 2017.

In this study, we expand upon the biogeography of biological soil crusts (BSCs) and provide molecular insights into the microbial community and biochemical dynamics along the vertical BSC column structure, and across a transect of increasing BSC surface coverage...

Frontiers in microbiology

Zappelini C, Alvarez-Lopez V, Capelli N, Guyeux C, Chalot M.
PMID: 30123206
Front Microbiol. 2018 Aug 03;9:1772. doi: 10.3389/fmicb.2018.01772. eCollection 2018.

The successful restoration of well-engineered tailings storage facilities is needed to avoid mine tailings problems. This study characterized the bacterial communities from vegetated and non-vegetated soils from a red gypsum landfill resulting from the industrial extraction of titanium. A...

Toward Enhancing Solar Cell Performance: An Effective and "Green" Additive.

ACS applied materials & interfaces

Tan L, Li P, Zhang Q, Izquierdo R, Chaker M, Ma D.
PMID: 29401370
ACS Appl Mater Interfaces. 2018 Feb 21;10(7):6498-6504. doi: 10.1021/acsami.7b17495. Epub 2018 Feb 12.

Performance of bulk heterojunction polymer solar cells (PSCs) highly relies on the morphology of the photoactive layer involving conjugated polymers and fullerene derivatives as donors and acceptors, respectively. Herein, butylamine was found to be able to optimize the morphology...

Chemical seed priming alleviates salinity stress and improves .

Plant direct

Bouzidi A, Krouma A, Chaieb M.
PMID: 34765863
Plant Direct. 2021 Nov 07;5(11):e357. doi: 10.1002/pld3.357. eCollection 2021 Nov.

In the saline depressions (Sebkhas) of Tunisia,

Safety assessment and potential risks of the glucagon stimulation test in the diagnosis of secondary adrenal insufficiency.

Current drug safety

Ach T, Abdelkrim AB, Hasni Y, Saad G, Kacem M, Chaieb M, Zaouali M, Maaroufi A, Ach K.
PMID: 34315384
Curr Drug Saf. 2021 Jul 27; doi: 10.2174/1574886316666210727152000. Epub 2021 Jul 27.

BACKGROUND: Although it takes more time, the glucagon stimulation test (GST) is a reliable measure for assessing growth hormone (GH) and adrenocorticotropic hormone (ACTH) secretion. The GST is considered to be a safe test, however, it still has mild...

Showing 1 to 12 of 177 entries