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Showing 13 to 24 of 471 entries
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Optical and positron annihilation spectroscopic studies on PMMA polymer doped by rhodamine B/chloranilic acid charge transfer complex: Special relevance to the effect of γ-ray irradiation.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy

Hassan HE, Refat MS, Sharshar T.
PMID: 26867205
Spectrochim Acta A Mol Biomol Spectrosc. 2016 Apr 15;159:238-48. doi: 10.1016/j.saa.2016.01.041. Epub 2016 Jan 26.

Polymeric sheets of poly (methylmethaclyerate) (PMMA) containing charge transfer (CT) complex of rhodamine B/chloranilic acid (Rho B/CHA) were synthesized in methanol solvent at room temperature. The systematic analysis done on the Rho B and its CT complex in the...

Evaluation of the effect of sildenafil and/or doxazosin on Benign prostatic hyperplasia-related lower urinary tract symptoms and erectile dysfunction.

Urology annals

Abolyosr A, Elsagheer GA, Abdel-Kader MS, Hassan AM, Abou-Zeid AM.
PMID: 24311901
Urol Ann. 2013 Oct;5(4):237-40. doi: 10.4103/0974-7796.120293.

PURPOSE: To verify the association between lower urinary tract symptoms (LUTS) and erectile dysfunction (ED) and evaluate the influence of sildenafil and doxazosin either as single agents or combined on both symptoms.MATERIAL AND METHODS: A prospective randomized study including...

Right ventricular mechanics in hypertrophic cardiomyopathy using feature tracking.

Global cardiology science & practice

Badran HM, Soliman M, Hassan H, Abdelfatah R, Saadan H, Yacoub M.
PMID: 24689019
Glob Cardiol Sci Pract. 2013 Nov 01;2013(2):185-97. doi: 10.5339/gcsp.2013.25. eCollection 2013.

OBJECTIVES: Right ventricular (RV) mechanics in hypertrophic cardiomyopathy (HCM) are poorly understood. We investigate global and regional deformation of the RV in HCM and its relationship to LV phenotype, using 2D strain vector velocity imaging (VVI).METHODS: 100 HCM patients...

First search for gravitational wave bursts with a network of detectors.

Physical review letters

Allen ZA, Astone P, Baggio L, Busby D, Bassan M, Blair DG, Bonaldi M, Bonifazi P, Carelli P, Cerdonio M, Coccia E, Conti L, Cosmelli C, Crivelli Visconti V, D'Antonio S, Fafone V, Falferi P, Fortini P, Frasca S, Hamilton WO, Heng IS, Ivanov EN, Johnson WW, Kingham M, Locke CR, Marini A.
PMID: 11102183
Phys Rev Lett. 2000 Dec 11;85(24):5046-50. doi: 10.1103/PhysRevLett.85.5046.

We report the initial results from a search for bursts of gravitational radiation by a network of five cryogenic resonant detectors during 1997 and 1998. This is the first significant search with more than two detectors observing simultaneously. No...

Assessing the mechanical properties of a molecular spring.

Chemistry (Weinheim an der Bergstrasse, Germany)

Berni E, Kauffmann B, Bao C, Lefeuvre J, Bassani DM, Huc I.
PMID: 17661324
Chemistry. 2007;13(30):8463-9. doi: 10.1002/chem.200700847.

We report on the dramatic effect of increasing helix diameter on the hybridization of oligopyridine-dicarboxamide strands into double helices. Upon replacing a single pyridine by a 1,8-diazaanthracene unit within an oligomeric strand, a 4.7 A enlargement of the helix...

Free volume of an epoxy resin and its relation to structural relaxation: evidence from positron lifetime and pressure-volume-temperature experiments.

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

Dlubek G, Hassan EM, Krause-Rehberg R, Pionteck J.
PMID: 16605550
Phys Rev E Stat Nonlin Soft Matter Phys. 2006 Mar;73(3):031803. doi: 10.1103/PhysRevE.73.031803. Epub 2006 Mar 03.

The microstructure of the free volume and its temperature dependence in the epoxy resin diglycidyl ether of bisphenol-A (DGEBA) have been examined using positron annihilation lifetime spectroscopy (PALS, 80-350K, 10(-5) Pa) and pressure-volume-temperature (PVT, 293-470 K, 0.1-200MPa) experiments. Employing...

Probing the initial events in the spontaneous emulsification of trans-anethole using dynamic NMR spectroscopy.

Langmuir : the ACS journal of surfaces and colloids

Carteau D, Pianet I, Brunerie P, Guillemat B, Bassani DM.
PMID: 17315890
Langmuir. 2007 Mar 27;23(7):3561-5. doi: 10.1021/la062339q. Epub 2007 Feb 22.

The spontaneous emulsification of alcoholic solutions of trans-anethole (t-A) in water is investigated using EXSY and DOSY NMR techniques. The system investigated (5-10 mM t-A in 5% EtOH/H2O solution) is exceptional in providing sharp, clearly resolved signals for both...

Antifungal activities of the oils of Nigella sativa seeds.

Pakistan journal of pharmaceutical sciences

Islam SK, Ahsan M, Hassan CM, Malek MA.
PMID: 16414633
Pak J Pharm Sci. 1989 Jan;2(1):25-8.

Antifungal activities of the oils of N. sativa seeds were tested against twenty fungi including pathogenic and industrial strains. All the oils were found to have significant activities against the fungi, but the volatile oil showed stronger and wider...

Prevalence and associated factors of cigarette smoking among medical students at King Fahad Medical City in Riyadh of Saudi Arabia.

Journal of family & community medicine

Al-Kaabba AF, Saeed AA, Abdalla AM, Hassan HA, Mustafa AA.
PMID: 21694953
J Family Community Med. 2011 Jan;18(1):8-12. doi: 10.4103/1319-1683.78631.

OBJECTIVE: To determine the prevalence of smoking among medical students at the medical college at King Fahad Medical City in Riyadh, and assess the association between smoking and socio-demographical factors, smoking contacts, reasons for smoking and attempts to quit.MATERIALS...

Electrochemical fluorination of La(2)CuO(4): a mild "chimie douce" route to superconducting oxyfluoride materials.

Inorganic chemistry

Delville MH, Barbut D, Wattiaux A, Bassat JM, Ménétrier M, Labrugère C, Grenier JC, Etourneau J.
PMID: 19627136
Inorg Chem. 2009 Aug 17;48(16):7962-9. doi: 10.1021/ic900912d.

The fluorination of La(2)CuO(4) was achieved for the first time under normal conditions of pressure and temperature (1 MPa and 298 K) via electrochemical insertion in organic fluorinated electrolytes and led to lanthanum oxyfluorides of general formula La(2)CuO(4)F(x). Analyses...

Versatile one-step introduction of multiple hydrogen-bonding sites onto extended pi-conjugated systems.

Chemical communications (Cambridge, England)

Fang FC, Chu CC, Huang CH, Raffy G, Del Guerzo A, Wong KT, Bassani DM.
PMID: 19048158
Chem Commun (Camb). 2008 Dec 21;(47):6369-71. doi: 10.1039/b813704h. Epub 2008 Nov 06.

Unprotected arylbiuret units were smoothly introduced onto pi-conjugated structures to afford new supramolecular materials leading to interpenetrated networks.

Association of cytokine gene polymorphism with susceptibility and clinical types of leprosy.

International journal of health sciences

Settin A, Nassar S, Abdel-Latif A, Elbaz R, El-Mongy S, Hassan A, Hassan A.
PMID: 21475449
Int J Health Sci (Qassim). 2007 Jan;1(1):25-33.

BACKGROUND: Both pro- and anti-inflammatory cytokines are implicated in development and prognosis of leprosy so the genetic regulation of such cytokines could play an important role.OBJECTIVE: . This study was planned for testing the association of cytokine gene polymorphisms...

Showing 13 to 24 of 471 entries