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Showing 25 to 36 of 140 entries
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Effect of UV-Irradiation and ZnO Nanoparticles on Nonlinear Optical Response of Specific Photochromic Polymers.

Nanomaterials (Basel, Switzerland)

Waszkowska K, Chtouki T, Krupka O, Smokal V, Figà V, Sahraoui B.
PMID: 33669263
Nanomaterials (Basel). 2021 Feb 16;11(2). doi: 10.3390/nano11020492.

A series of methacrylic styrylquinoline polymers have been synthesized and characterized by spectroscopic and nonlinear optical (NLO) investigations. The NLO properties of studied polymer compounds in the form of thin films prepared by a spin coating method have been...

High Pressure Coronary Stenting: Efficacy and Safety of Aspirin Versus Coumadin Plus Aspirin Ñ Preliminary Results of a Randomized Study.

The Journal of invasive cardiology

Machraoui A, Germing A, von Dryander S, Jager D, Lemke B, Lange S, Barmeyer J.
PMID: 10762894
J Invasive Cardiol. 1997 Apr;9(3):171-176.

The efficacy and safety of treatment after coronary stenting was examined with aspirin alone, 100 mg daily, as compared to coumadin plus aspirin. Data from the first 101 patients, 73 men and 28 women, aged 59.2 +/- 9.3 years,...

Soins. Pediatrie, puericulture

Mahlaoui N, Langellier-Bellevue B.
PMID: 28705560
Soins Pediatr Pueric. 2017 Jul - Aug;38(297):12-15. doi: 10.1016/j.spp.2017.05.002.

THE ISSUES IN THE TRANSITION FROM PAEDIATRICS TO ADULT MEDICINE: The transfer or transition from paediatric care to adult medicine is, for a large number of adolescents and young adults being monitored for a rare and/or chronic pathology, as...

Sensor-based wearable system for the detection and automatic treatment of nocturnal hypoglycaemia.

Healthcare technology letters

Sahraoui S, Sahraoui S, Benbousa O, Berkani AS, Bilami A.
PMID: 30568801
Healthc Technol Lett. 2018 Nov 05;5(6):239-241. doi: 10.1049/htl.2018.5053. eCollection 2018 Dec.

Diabetic patients are prone to daily and severe health-related risks, namely hyper and hypoglycaemia. Hypoglycaemia phenomenon happens when the glucose level in patient's blood is lower than a well-determined sill. It may induce serious impacts, such as functional brain...

Threefold rotational symmetry in hexagonally shaped core-shell (In,Ga)As/GaAs nanowires revealed by coherent X-ray diffraction imaging.

Journal of applied crystallography

Davtyan A, Krause T, Kriegner D, Al-Hassan A, Bahrami D, Mostafavi Kashani SM, Lewis RB, Küpers H, Tahraoui A, Geelhaar L, Hanke M, Leake SJ, Loffeld O, Pietsch U.
PMID: 28656032
J Appl Crystallogr. 2017 Apr 13;50:673-680. doi: 10.1107/S1600576717004149. eCollection 2017 Jun 01.

Coherent X-ray diffraction imaging at symmetric

Detection of small-scale structures in the dissipation regime of solar-wind turbulence.

Physical review letters

Perri S, Goldstein ML, Dorelli JC, Sahraoui F.
PMID: 23215371
Phys Rev Lett. 2012 Nov 09;109(19):191101. doi: 10.1103/PhysRevLett.109.191101. Epub 2012 Nov 08.

Recent observations of the solar wind have pointed out the existence of a cascade of magnetic energy from the scale of the proton Larmor radius ρ(p) down to the electron Larmor radius ρ(e) scale. In this Letter we study...

UV-induced nonlinear absorption in lanthanum calcium borate single crystals.

The journal of physical chemistry. B

Kityk IV, Majchrowski A, Michalski E, Kasprowicz D, Drozdowski M, Kisielewski J, Lukasiewicz T, Sahraoui B.
PMID: 16671719
J Phys Chem B. 2006 May 11;110(18):9090-4. doi: 10.1021/jp060079f.

It has been revealed that lanthanum calcium borate (La2CaB10O19) crystals show two-photon absorption (TPA) induced by a UV laser field. UV-induced TPA measurements were performed in the spectral range of 475-1130 nm using as fundamental beam the third harmonics...

Phonon-assisted second harmonic generation in As(1)(-)(x)Bi(x)Te(3)-CaBr(2)-PbBr(2) glasses.

The journal of physical chemistry. B

Kityk IV, Sahraoui B.
PMID: 16851336
J Phys Chem B. 2005 Mar 03;109(8):3163-8. doi: 10.1021/jp046488y.

We have found experimentally the IR-induced second harmonic generation (SHG) in glasses possessing different degrees of electron-phonon interactions. For the investigations, we have chosen As(1)(-)(x)()Bi(x)Te(3)-CaBr(2)-PbBr(2) (0 < x

Anisotropic turbulent spectra in the terrestrial magnetosheath as seen by the cluster spacecraft.

Physical review letters

Sahraoui F, Belmont G, Rezeau L, Cornilleau-Wehrlin N, Pinçon JL, Balogh A.
PMID: 16606099
Phys Rev Lett. 2006 Feb 24;96(7):075002. doi: 10.1103/PhysRevLett.96.075002. Epub 2006 Feb 22.

Here we report the first three-dimensional spatial spectrum of the low frequency magnetic turbulence obtained from the four Cluster spacecraft in the terrestrial magnetosheath close to the magnetopause. We show that the turbulence is compressible and dominated by mirror...

Conglomerate-to-true-racemate reversible solid-state transition in crystals of an organic disulfide-based iodoplumbate.

Angewandte Chemie (International ed. in English)

Mercier N, Barres AL, Giffard M, Rau I, Kajzar F, Sahraoui B.
PMID: 16482505
Angew Chem Int Ed Engl. 2006 Mar 20;45(13):2100-3. doi: 10.1002/anie.200503423.

No abstract available.

Diagnosis of magnetic structures and intermittency in space-plasma turbulence using the technique of surrogate data.

Physical review. E, Statistical, nonlinear, and soft matter physics

Sahraoui F.
PMID: 18850941
Phys Rev E Stat Nonlin Soft Matter Phys. 2008 Aug;78(2):026402. doi: 10.1103/PhysRevE.78.026402. Epub 2008 Aug 05.

Intermittency is usually identified in turbulent flows as non-Gaussian tails of the probability density functions (PDFs) of the turbulent field derivatives. Here we investigate the role of phase coherence among the Fourier modes in creating intermittency in magnetized space...

Enhanced all-optical tuning of leaky eigenmodes in photonic crystal waveguides.

Optics letters

Bristow AD, Kundys DO, García-Déniz AZ, Wells JP, Fox AM, Skolnick MS, Whittaker DM, Tahraoui A, Krauss TF, Roberts JS.
PMID: 16832460
Opt Lett. 2006 Aug 01;31(15):2284-6. doi: 10.1364/ol.31.002284.

We demonstrate all-optical switching in an active two-dimensional photonic crystal waveguide, observing as large as 16 nm blueshifts of a leaky eigenmode at 839 nm and switching ratios of almost 70%. These results are larger than those previously observed...

Showing 25 to 36 of 140 entries