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Showing 1 to 12 of 148 entries
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Peroral endoscopic myotomy (POEM) vs laparoscopic Heller myotomy (LHM) for the treatment of Type III achalasia in 75 patients: a multicenter comparative study.

Endoscopy international open

Kumbhari V, Tieu AH, Onimaru M, El Zein MH, Teitelbaum EN, Ujiki MB, Gitelis ME, Modayil RJ, Hungness ES, Stavropoulos SN, Shiwaku H, Kunda R, Chiu P, Saxena P, Messallam AA, Inoue H, Khashab MA.
PMID: 26171430
Endosc Int Open. 2015 Jun;3(3):E195-201. doi: 10.1055/s-0034-1391668. Epub 2015 Apr 13.

BACKGROUND AND STUDY AIMS: Type III achalasia is characterized by rapidly propagating pressurization attributable to spastic contractions. Although laparoscopic Heller myotomy (LHM) is the current gold standard management for type III achalasia, peroral endoscopic myotomy (POEM) is conceivably superior...

Development of a Flexible Strain Sensor Based on PEDOT:PSS for Thin Film Structures.

Sensors (Basel, Switzerland)

El Zein A, Huppé C, Cochrane C.
PMID: 28598393
Sensors (Basel). 2017 Jun 09;17(6). doi: 10.3390/s17061337.

The aim of this study was to develop and optimize a reproducible flexible sensor adapted to thin low-density polyethylene (LDPE) films and/or structures to enable their deformation measurements. As these deformations are suspected to be weak (less than 10%),...

EUS-guided biliary drainage or enteroscopy-assisted ERCP in patients with surgical anatomy and biliary obstruction: an international comparative study.

Endoscopy international open

Khashab MA, El Zein MH, Sharzehi K, Marson FP, Haluszka O, Small AJ, Nakai Y, Park DH, Kunda R, Teoh AY, Peñas I, Perez-Miranda M, Kumbhari V, Van der Merwe S, Artifon EL, Ross AS.
PMID: 27995197
Endosc Int Open. 2016 Dec;4(12):E1322-E1327. doi: 10.1055/s-0042-110790. Epub 2016 Aug 30.

No abstract available.

Surface initiated supplemental activator and reducing agent atom transfer radical polymerization (SI-SARA-ATRP) of 4-vinylpyridine on poly(ethylene terephthalate).

Journal of colloid and interface science

Maaz M, Elzein T, Bejjani A, Barroca-Aubry N, Lepoittevin B, Dragoe D, Mazerat S, Nsouli B, Roger P.
PMID: 28399464
J Colloid Interface Sci. 2017 Aug 15;500:69-78. doi: 10.1016/j.jcis.2017.03.115. Epub 2017 Apr 02.

Poly(ethylene terephthalate) (PET) substrates were modified by means of surface-initiated supplemental activator and reducing agent atom transfer radical polymerization (SI-SARA-ATRP) of 4-vinylpyridine (4VP). Substrates were pretreated in order to graft chloromethylbenzene (CMB) units capable of initiating the radical polymerization...

Kinetic Study of the Gas-Phase Reactions of Nitrate Radicals with Methoxyphenol Compounds: Experimental and Theoretical Approaches.

The journal of physical chemistry. A

Lauraguais A, El Zein A, Coeur C, Obeid E, Cassez A, Rayez MT, Rayez JC.
PMID: 27073983
J Phys Chem A. 2016 May 05;120(17):2691-9. doi: 10.1021/acs.jpca.6b02729. Epub 2016 Apr 25.

The gas-phase reactions of five methoxyphenols (three disubstituted and two trisubstituted) with nitrate radicals were studied in an 8000 L atmospheric simulation chamber at atmospheric pressure and 294 ± 2 K. The NO3 rate constants were investigated with the...

FTIR study of polycaprolactone chain organization at interfaces.

Journal of colloid and interface science

Elzein T, Nasser-Eddine M, Delaite C, Bistac S, Dumas P.
PMID: 15082371
J Colloid Interface Sci. 2004 May 15;273(2):381-7. doi: 10.1016/j.jcis.2004.02.001.

Polycaprolactone (PCL), extensively known as a biomaterial, is the subject of this paper. Knowing well that some biomaterial applications exhibit specific chain organization, we focused our study on the orientation of PCL chains when this polymer is adsorbed (spin-coated)...

Cultural beliefs that may discourage breastfeeding among Lebanese women: a qualitative analysis.

International breastfeeding journal

Osman H, El Zein L, Wick L.
PMID: 19883506
Int Breastfeed J. 2009 Nov 02;4:12. doi: 10.1186/1746-4358-4-12.

BACKGROUND: Although the health benefits of breastfeeding are well established, early introduction of formula remains a common practice. Cultural beliefs and practices can have an important impact on breastfeeding. This paper describes some common beliefs that may discourage breastfeeding...

Alopecia After Switch to Tenofovir Alafenamide in 6 African American Women.

Open forum infectious diseases

El Zein S, Tabaja H, Kanj A, Richmond D, Veltman J.
PMID: 31341928
Open Forum Infect Dis. 2019 Jun 06;6(7):ofz278. doi: 10.1093/ofid/ofz278. eCollection 2019 Jul.

No cases of tenofovir alafenamide (TAF)-induced alopecia have been reported in the literature. We describe 6 cases of hair loss in African American female patients after switching to TAF and aim to raise awareness about this potential adverse effect...

International Multicenter Experience in the Treatment Outcome of Invasive Aspergillosis in Immunocompromised Cancer Patients.

Mediterranean journal of hematology and infectious diseases

Hachem R, Batista MV, Kanj SS, El Zein S, Haddad S, Jiang Y, Mori N, Vanderson R, Chaftari AM, Raad I.
PMID: 30671209
Mediterr J Hematol Infect Dis. 2019 Jan 01;11(1):e2019003. doi: 10.4084/MJHID.2019.003. eCollection 2019.

BACKGROUND: Invasive aspergillosis (IA) is a life-threatening infection in immunocompromised patients. In this study, we compared the efficacy of voriconazole containing regimen vs non-voriconazole containing regimen in patients with IA.METHODS: In this retrospective study, we reviewed the medical records...

Efficient Mercury Capture Using Functionalized Porous Organic Polymer.

Advanced materials (Deerfield Beach, Fla.)

Aguila B, Sun Q, Perman JA, Earl LD, Abney CW, Elzein R, Schlaf R, Ma S.
PMID: 28614596
Adv Mater. 2017 Aug;29(31). doi: 10.1002/adma.201700665. Epub 2017 Jun 14.

The primary challenge in materials design and synthesis is achieving the balance between performance and economy for real-world application. This issue is addressed by creating a thiol functionalized porous organic polymer (POP) using simple free radical polymerization techniques to...

Hydrophobization of chitosan films by surface grafting with fluorinated polymer brushes.

Carbohydrate polymers

Lepoittevin B, Elzein T, Dragoe D, Bejjani A, Lemée F, Levillain J, Bazin P, Roger P, Dez I.
PMID: 30446126
Carbohydr Polym. 2019 Feb 01;205:437-446. doi: 10.1016/j.carbpol.2018.10.044. Epub 2018 Oct 18.

Chitosan with its surface-properties and biodegradability is a promising biomaterial for green packaging applications. Till now, this application is still limited due to chitosan high sensitivity to water. Some existing studies deal with the incorporation of hydrophobic additives to...

Atomistic Study of Dynamic Contact Angles in CO.

Langmuir : the ACS journal of surfaces and colloids

Huang P, Shen L, Gan Y, Maggi F, El-Zein A, Pan Z.
PMID: 30869902
Langmuir. 2019 Apr 16;35(15):5324-5332. doi: 10.1021/acs.langmuir.9b00076. Epub 2019 Mar 21.

The dynamic wetting for the CO

Showing 1 to 12 of 148 entries