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Showing 25 to 36 of 369 entries
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Rational design of macrometallocyclic trinuclear complexes with superior pi-acidity and pi-basicity.

Journal of the American Chemical Society

Tekarli SM, Cundari TR, Omary MA.
PMID: 18193869
J Am Chem Soc. 2008 Feb 06;130(5):1669-75. doi: 10.1021/ja076527u. Epub 2008 Jan 15.

Density functional theory (DFT) has been used to assess the pi-acidity and pi-basicity of metal-organic trimetallic macromolecular complexes of the type [M(mu-L)]3, where M = Cu, Ag, or Au and L = carbeniate, imidazolate, pyridiniate, pyrazolate, or triazolate. The...

Bright phosphorescence of a trinuclear copper(I) complex: luminescence thermochromism, solvatochromism, and "concentration luminochromism".

Journal of the American Chemical Society

Dias HV, Diyabalanage HV, Rawashdeh-Omary MA, Franzman MA, Omary MA.
PMID: 14518975
J Am Chem Soc. 2003 Oct 08;125(40):12072-3. doi: 10.1021/ja036736o.

A photophysical study is reported for the trinuclear copper(I) complex {[3,5-(CF3)2Pz]Cu}3. The neutral compound exhibits multicolor bright phosphorescent emissions both in the solid state and in solution. The emission can be tuned to multiple visible colors by controlling the...

Brightly phosphorescent, environmentally responsive hydrogels containing a water-soluble three-coordinate gold(I) complex.

Langmuir : the ACS journal of surfaces and colloids

Marpu S, Hu Z, Omary MA.
PMID: 20836534
Langmuir. 2010 Oct 05;26(19):15523-31. doi: 10.1021/la101615h.

Stimuli-responsive phosphorescent hydrogel microspheres have been synthesized by incorporating a water-soluble phosphorescent Au(I) complex, Na(8)[Au(TPPTS)(3)], TPPTS = tris(3,3',3''-trisulfonatophenyl)phosphine, into the polymer network of poly(N-isopropylacrylamide) (PNIPAM). Remarkable sensitization of the Au-centered emission takes place in the resulting phosphorescent hydrogels (by...

A near miss: case report and literature review.

AJP reports

Fahad A, Omar MA.
PMID: 23946899
AJP Rep. 2012 Nov;2(1):23-4. doi: 10.1055/s-0031-1300967. Epub 2012 Jan 30.

We report a 28-week gestation premature infant with rare complication of endotracheal intubation. A piece from the plastic sheath of the stylet was retrieved inside the endotracheal tube after extubation.

Required energy for a laser radar system incorporating a fiber amplifier or an avalanche photodiode.

Applied optics

Overbeck JA, Salisbury MS, Mark MB, Watson EA.
PMID: 21060654
Appl Opt. 1995 Nov 20;34(33):7724-30. doi: 10.1364/AO.34.007724.

The transmitted energy required for an airborne laser radar system to be able to image a target at 20 km is investigated. Because direct detection is being considered, two methods of enhancing the received signal are discussed: (1) using...

Pulsed gas introduction into quadrupole ion traps.

Journal of the American Society for Mass Spectrometry

Emary WB, Kaiser RE, Kenttämaa HI, Cooks RG.
PMID: 24248824
J Am Soc Mass Spectrom. 1990 Jul;1(4):308-11. doi: 10.1016/1044-0305(90)85006-8.

Two different Paul-type quadrupole ion traps were equipped with pulsed-valve gas inlets. The duration of a gas pulse inside the trap is variable, and pulses as short as 50 ms (FWHH) have been measured, allowing the use of several...

Optimization of a closed rat tibial fracture model.

Journal of experimental orthopaedics

Handool KO, Ibrahim SM, Kaka U, Omar MA, Abu J, Yusoff MSM, Yusof LM.
PMID: 29721763
J Exp Orthop. 2018 May 02;5(1):13. doi: 10.1186/s40634-018-0128-6.

BACKGROUND: The use of a closed fracture model has become the preferred model to study the fracture healing process, given that the periosteum and the soft tissue surrounding the fracture site play an important role in the fracture healing...

Pancreatic HIF2α Stabilization Leads to Chronic Pancreatitis and Predisposes to Mucinous Cystic Neoplasm.

Cellular and molecular gastroenterology and hepatology

Schofield HK, Tandon M, Park MJ, Halbrook CJ, Ramakrishnan SK, Kim EC, Shi J, Omary MB, Shah YM, Esni F, Pasca di Magliano M.
PMID: 29693047
Cell Mol Gastroenterol Hepatol. 2017 Nov 10;5(2):169-185.e2. doi: 10.1016/j.jcmgh.2017.10.008. eCollection 2018.

BACKGROUND & AIMS: Tissue hypoxia controls cell differentiation in the embryonic pancreas, and promotes tumor growth in pancreatic cancer. The cellular response to hypoxia is controlled by the hypoxia-inducible factor (HIF) proteins, including HIF2α. Previous studies of HIF action...

Diagnostic agreement of the 3 Incontinence Questionnaire to video-urodynamics findings in women with urinary incontinence: Department of Urology, Frimley Health NHS Foundation Trust Wexham Park Hospital Slough, Berkshire, United Kingdom.

Central European journal of urology

Khan MJ, Omar MA, Laniado M.
PMID: 29732212
Cent European J Urol. 2018;71(1):84-91. doi: 10.5173/ceju.2018.1622. Epub 2017 Feb 21.

INTRODUCTION: There are limited studies evaluating the 3 Incontinence Questionnaire (3IQ) against urodynamics based diagnosis as a reference standard. The 3IQ has been proposed to be useful to evaluate women at the level of primary care. The aim of...

Timed up and go test combined with self-rated multifactorial questionnaire on falls risk and sociodemographic factors predicts falls among community-dwelling older adults better than the timed up and go test on its own.

Journal of multidisciplinary healthcare

Ibrahim A, Singh DKA, Shahar S, Omar MA.
PMID: 29138571
J Multidiscip Healthc. 2017 Oct 26;10:409-416. doi: 10.2147/JMDH.S142520. eCollection 2017.

BACKGROUND: Early detection of falls risk among older adults using simple tools may assist in fall prevention strategies. The aim of this study was to identify the best parameters associated with previous falls, either the timed up and go...

Esterification process catalyzed by ZSM-5 zeolite synthesized via modified hydrothermal method.

MethodsX

Omar BM, Bita M, Louafi I, Djouadi A.
PMID: 30038897
MethodsX. 2018 Mar 23;5:277-282. doi: 10.1016/j.mex.2018.03.004. eCollection 2018.

A modified hydrothermal method for ZSM-5 synthesis was described. The crystals gave a typical pattern (2θ at around 22.5°, 24.0° and 29.8° corresponding to the major peaks of (501, 303 and 503 crystal surfaces)), which indicated that the subnanocrystals...

Adsorption and molecular siting of CO.

Chemical science

Moghadam PZ, Ivy JF, Arvapally RK, Dos Santos AM, Pearson JC, Zhang L, Tylianakis E, Ghosh P, Oswald IWH, Kaipa U, Wang X, Wilson AK, Snurr RQ, Omary MA.
PMID: 28553541
Chem Sci. 2017 May 01;8(5):3989-4000. doi: 10.1039/c7sc00278e. Epub 2017 Mar 10.

FMOF-1 is a flexible, superhydrophobic metal-organic framework with a network of channels and side pockets decorated with -CF

Showing 25 to 36 of 369 entries