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Showing 25 to 36 of 741 entries
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Molecular simulations of physical aging in polymer membrane materials.

The journal of physical chemistry. B

Wang XY, Willmore FT, Raharjo RD, Wang X, Freeman BD, Hill AJ, Sanchez IC.
PMID: 16913807
J Phys Chem B. 2006 Aug 24;110(33):16685-93. doi: 10.1021/jp0622334.

Poly(1-trimethylsilyl-1-propyne) (PTMSP), the most permeable polymer known, undergoes rapid physical aging. The permeability of PTMSP to gases and vapors decreases dramatically with physical aging. Cavity size (free volume) distributions were calculated in as-cast and aged PTMSP, using an energetic...

Collective violence and attitudes of women toward intimate partner violence: Evidence from the Niger Delta.

BMC international health and human rights

Antai D, Antai J.
PMID: 19508708
BMC Int Health Hum Rights. 2009 Jun 09;9:12. doi: 10.1186/1472-698X-9-12.

BACKGROUND: The Niger Delta region of Nigeria has been undergoing collective violence for over 25 years, which has constituted a major public health problem. The objectives of this study were to investigate the predictors of women's attitudes toward intimate...

Mega-sized concerns from the nano-sized world: the intersection of nano- and environmental ethics.

Science and engineering ethics

Attia P.
PMID: 23224702
Sci Eng Ethics. 2013 Sep;19(3):1007-16. doi: 10.1007/s11948-012-9422-3. Epub 2012 Dec 06.

As rapid advances in nanotechnology are made, we must set guidelines to balance the interests of both human beneficiaries and the environment by combining nanoethics and environmental ethics. In this paper, I reject Leopoldian holism as a practical environmental...

Endoscopic endonasal posterior clinoidectomy.

Surgical neurology international

Silva D, Attia M, Kandasamy J, Alimi M, Anand VK, Schwartz TH.
PMID: 22754729
Surg Neurol Int. 2012;3:64. doi: 10.4103/2152-7806.97008. Epub 2012 Jun 09.

BACKGROUND: Posterior clinoidectomy is a useful procedure for maximizing exposure to the interpeduncular cistern via transcranial approaches for basilar tip aneurysms and select intracranial tumors. The value of posterior clinoidectomy during endonasal endoscopic transclival surgery is not well described.METHODS:...

Advancing the medical education mission: the bottom line.

Academic medicine : journal of the Association of American Medical Colleges

Richards AJ.
PMID: 23531750
Acad Med. 2013 Apr;88(4):434. doi: 10.1097/ACM.0b013e3182854f3f.

No abstract available.

The architecture of risk for type 2 diabetes: understanding Asia in the context of global findings.

International journal of endocrinology

Abdullah N, Attia J, Oldmeadow C, Scott RJ, Holliday EG.
PMID: 24744783
Int J Endocrinol. 2014;2014:593982. doi: 10.1155/2014/593982. Epub 2014 Mar 13.

The prevalence of Type 2 diabetes is rising rapidly in both developed and developing countries. Asia is developing as the epicentre of the escalating pandemic, reflecting rapid transitions in demography, migration, diet, and lifestyle patterns. The effective management of...

Ending aging in super glassy polymer membranes.

Angewandte Chemie (International ed. in English)

Lau CH, Nguyen PT, Hill MR, Thornton AW, Konstas K, Doherty CM, Mulder RJ, Bourgeois L, Liu AC, Sprouster DJ, Sullivan JP, Bastow TJ, Hill AJ, Gin DL, Noble RD.
PMID: 24740816
Angew Chem Int Ed Engl. 2014 May 19;53(21):5322-6. doi: 10.1002/anie.201402234. Epub 2014 Apr 16.

Aging in super glassy polymers such as poly(trimethylsilylpropyne) (PTMSP), poly(4-methyl-2-pentyne) (PMP), and polymers with intrinsic microporosity (PIM-1) reduces gas permeabilities and limits their application as gas-separation membranes. While super glassy polymers are initially very porous, and ultra-permeable, they quickly...

Squamous cell carcinoma on top of urethral stricture: case report and review of the literature.

Ecancermedicalscience

Kotb AF, Attia D, Ismail AM, Elabbady A.
PMID: 23589733
Ecancermedicalscience. 2013 Apr 11;7:304. doi: 10.3332/ecancer.2013.304. Print 2013.

INTRODUCTION: Urethral stricture is a common urological condition, resulting from trauma or venereal infections. The aim of our study was to report a rare case of squamous cell carcinoma of the penis and pseudoepitheliomatous hyperplasia (PEH) of scrotal skin,...

Simultaneous microfabrication and tuning of the permselective properties in microporous polymers using X-ray lithography.

Small (Weinheim an der Bergstrasse, Germany)

Han SH, Doherty CM, Marmiroli B, Jo HJ, Buso D, Patelli A, Schiavuta P, Innocenzi P, Lee YM, Thornton AW, Hill AJ, Falcaro P.
PMID: 23447493
Small. 2013 Jul 08;9(13):2277-82. doi: 10.1002/smll.201202735. Epub 2013 Feb 28.

Microchannels are fabricated using a photosensitive polymer to which microporosity is tuned with different X-ray doses. Using hard X-ray irradiation, the micropattern is positioned with various geometries in a multi-level, three-dimensional structure, while controlling the pore size and transport...

Diastolic Cardiac Pathology and Clinical Twin-Twin Transfusion Syndrome in Monochorionic/Diamniotic Twins.

American journal of obstetrics and gynecology

Moon-Grady AJ, Rand L, Gallardo S, Gosnell K, Lee H, Feldstein VA.
PMID: 21909155
Am J Obstet Gynecol. 2011 Sep 01;205(3):279.e1-279.e11. doi: 10.1016/j.ajog.2011.06.045.

OBJECTIVE: to identify differences in echocardiographic profiles of monochorionic/diamniotic pregnancies with early or mild twin-twin transfusion syndrome (TTTS), compared to monochorionic/diamniotic twins affected only by discordant growth or discordant fluid. STUDY DESIGN: retrospective evaluation of sonograms and echocardiograms of...

3-M syndrome: a novel CUL7 mutation associated with respiratory distress and a good response to GH therapy.

Endocrinology, diabetes & metabolism case reports

Deeb A, Afandi O, Attia S, Fatih AE.
PMID: 25945256
Endocrinol Diabetes Metab Case Rep. 2015;2015:150012. doi: 10.1530/EDM-15-0012. Epub 2015 Apr 01.

UNLABELLED: 3-M syndrome is a rare autosomal recessive disorder caused by mutations in the CUL7, OBSL1 and CCDC8 genes. It is characterised by growth failure, dysmorphic features and skeletal abnormalities. Data in the literature show variable efficacy of GH...

Treatment of chronic bilateral facet dislocation in a 6-year-old: A case report.

SAGE open medical case reports

Alassaf N, Attia W.
PMID: 30788109
SAGE Open Med Case Rep. 2018 Dec 20;6:2050313X18819615. doi: 10.1177/2050313X18819615. eCollection 2018.

OBJECTIVES: Spine injuries seldom affect the subaxial spine in children less than 9 years of age. We describe the management of a chronic paediatric bilateral facet dislocation.METHODS: Case report and literature review. A 6-year-old boy presented 10 weeks after...

Showing 25 to 36 of 741 entries