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Now showing items 38-57 of 244

Calculation of dramatic differences in the activation energy of phenyl migratory insertion in the isomers of [Rh(PMe3)2Cl(CO)(Ph) H]: Important effects from both the ligand trans to Ph and the ligand trans to CO

Hasanayn F.; Abu-El-ez D. (WASHINGTON1155 16TH ST, NW, WASHINGTON, DC 20036 USA, 2010)

Trans, trans-[RhL2(Ph)(CO)HCl] (2a) and trans, trans-[RhL 2(Ph)Cl(CO)H] (2b) are known to form as major products in the reaction between benzene and a photoexcited state of trans-[RhL 2(CO)Cl] (1; L = PMe3). In the presence ...
Calculations on the kinetics, thermodynamics, and selectivity of methyl radical addition to olefins coordinated to d8 and d0 transition-metal fragments: Two distinct and opposite anti-evans-polanyi effects with potential practical implications

Hasanayn F.; Gozem S. (WASHINGTON1155 16TH ST, NW, WASHINGTON, DC 20036 USA, 2008)

DFT calculations predict that methyl radical addition to the propene and isobutene adducts of the [Rh(PCP)] and [(Cp)2Zr(OtBu)] + fragments affords different kinetic and thermodynamic products. The regioselectivity in the ...
Catalytic degradation of chlorothalonil in water using bimetallic iron-based systems.

Ghauch A.; Tuqan A. (OXFORDTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND, 2008)

Modified zero valent iron (MZVI) was used to study the transformation of a chlorothalonil (CLT) solution and the variation of the observed degradation rate of the reduction reactions. This was carried out when transition ...
Characterization of internal structure of hydrated agar and gelatin matrices by cryo-SEM

Rahbani J.; Behzad A.R.; Khashab N.M.; Al-Ghoul M. (HOBOKEN111 RIVER ST, HOBOKEN 07030-5774, NJ USA, 2013)

There has been a considerable interest in recent years in developing polymer gel matrices for many important applications such as 2DE for quantization and separation of a variety of proteins and drug delivery system to ...
Charge separation and photocurrent polarity-switching at CdS quantum dots assembly in polyelectrolyte interfaced with hole scavengers

El Harakeh M.; Alawieh L.; Saouma S.; Halaoui L.I. (CAMBRIDGETHOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND, 2009)

Significant charge separation and potential-dependent photocurrent polarity switching are reported at multilayers of polyacrylate-capped CdS quantum dots (Q-CdS, 〈d〉 = 3.6 ±0.5 nm) assembled in poly(diallydimethylammonium ...
Chemical profile of the Dittrichia graveolens (Desf.) Greuter essential oil of Lebanese origin

Ghosn M.W.; Chemali C.B.; Zaknoun F.I.; Saliba N.A. (CAROL STREAM362 S SCHMALE RD, CAROL STREAM, IL 60188-2787 USA, 2006)

Essential oils isolated from the aerial parts of two different Lebanese wild populations of Dittrichia graveolens were analyzed by GC and GC-MS. It was shown that around 90percent of the total composition consisted of ...
Chemical Thermodynamics: Reversible and Irreversible Thermodynamics

Al-Ghoul, Mazen; Eu, Byung Chan (World Scientific Publishing, )

This book enables the reader to learn, in a single volume, equilibrium and nonequilibrium thermodynamics, as well as generalized forms of hydrodynamics for linear and nonlinear processes applied to various hydrodynamic ...
Chemical Thermodynamics: With Examples for Nonequilibrium Processes

Al-Ghoul, Mazen; Eu, Byung Chan (World Scientific, )
Claimed 2,1-benzisoxazoles are indazalones

Kurth M.J.; Olmstead M.M.; Haddadin M.J. (WASHINGTON1155 16TH ST, NW, WASHINGTON, DC 20036 USA, 2005)

(Chemical Equation Presented) Claims, by two groups, to have prepared 2,1-benzisoxazole derivatives are corrected to show that the products are indazalones (5). In addition, a simple preparation of 3-oxysubstituted ...
Cobalt ferrite aerogels by epoxide sol-gel addition: Efficient catalysts for the hydrolysis of 4-nitrophenyl phosphate

Akl J.; Ghaddar T.; Ghanem A.; El-Rassy H. (AMSTERDAMPO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, 2009)

Porous cobalt ferrite aerogel catalysts were obtained by 1,2-epoxide sol-gel process and investigated in the hydrolysis of 4-nitrophenyl phosphate. These materials were synthesized by reacting cobalt and iron salts with ...
Columnar mesomorphism of fluorescent board-shaped quinoxalinophenanthrophenazine derivatives with donor-acceptor structure

Chen S.; Raad F.S.; Ahmida M.; Kaafarani B.R.; Eichhorn S.H. (WASHINGTON1155 16TH ST, NW, WASHINGTON, DC 20036 USA, 2013)

Quinoxalino[2′,3′:9,10]phenanthro[4,5-abc]phenazine (QPP) dyes have been studied as electron acceptor materials, fluorophores, and building blocks for self-organizing organic semiconductors. Condensation of tetraketopyrene ...
Combining time-resolved fluorescence with synchronous fluorescence spectroscopy to study bovine serum albumin-curcumin complex during unfolding and refolding processes

Barakat C.; Patra D. (HOBOKEN111 RIVER ST, HOBOKEN 07030-5774, NJ USA, 2013)

We investigated the complex interaction between bovine serum albumin (BSA) and curcumin by combining time-resolved fluorescence and synchronous fluorescence spectroscopy. The interaction was significant and sensitive to ...
Commentary: Single-molecule fluorescence spectroscopy

Patra D. (BELLINGHAM1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98225 USA, 2012)

[No abstract available]
Comparative Antiproliferative activities of wood and seeds essential oils of Juniperus Oxycedrus L. against K562 human chronic myelogenous leukemia cells

Saab A.M.; Gali-Muhtasib H.; Maietti S.; Grandini A.; Rossi D.; Lampronti I.; Gallerani E.; Fabbri E.; Gambari R. (Taylor and Francis Inc.; PHILADELPHIA530 CHESTNUT STREET, STE 850, PHILADELPHIA, PA 19106 USA, 2014)

The species Juniperus oxycedrus L. is a member of Cupressaceae family. The chemical composition and antiproliferative activity of wood and seeds essential oils of J. oxycedrus, grown wild in Lebanon, were evaluated in order ...
Concentration measurements and chemical composition of PM10-2.5 and PM2.5 at a coastal site in Beirut, Lebanon

Shaka' H.; Saliba N.A. (OXFORDTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND, 2004)

Emission measurements and chemical profiles of PM10-2.5 (coarse) and PM2.5 (fine) in Lebanon are reported for the months of February till May of 2003. A 4 month average of 76μgm -3 for PM10-2.5 and 40μgm -3 for PM2.5 ...
Conformational analysis of the electron-transfer kinetics across oligoproline peptides using N,N-dimethyl-1,4-benzenediamine donors and pyrene-1-sulfonyl acceptors

Issa J.B.; Salameh A.S.; Castner Jr. E.W.; Wishart J.F.; Isied S.S. (, 2007)

Photoinduced intramolecular charge separation across proline-bridged donor-acceptor complexes of the type Pyr-(Pro)n-DMPD (where Pyr = pyrene-1-sulfonyl and DMPD = N,N-dimethyl-1,4-phenylenediamine) was studied. The ...
Controlled degradation of hydrogels using multi-functional cross-linking molecules

Lee K.Y.; Bouhadir K.H.; Mooney D.J. (OXFORDTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND, 2004)

Hydrogels, chemically cross-linked or physically entangled, have found a number of applications as novel delivery vehicles of drugs and cells. However, the narrow ranges of degradation rates and mechanical strength currently ...
Corrigendum to Adsorption kinetics and thermodynamics of azo-dye Orange II onto highly porous titania aerogel [Chemical Engineering Journal 150 (2009) 403-410]

Abramian L.; El-Rassy H. (LAUSANNEPO BOX 564, 1001 LAUSANNE, SWITZERLAND, 2012)

[No abstract available]
Cosynthesis, coexistence, and self-organization of α- and β-cobalt hydroxide based on diffusion and reaction in organic gels

El-Batlouni H.; El-Rassy H.; Al-Ghoul M. (WASHINGTON1155 16TH ST, NW, WASHINGTON, DC 20036 USA, 2008)

We report the cosynthesis of highly stable laminated single crystal α- and β-Co(OH)2 using the reaction and diffusion of a hydroxide solution into a gel containing Co(II). The obtained α-Co(OH)2, which is known to be ...
Coupling of titania inverse opals to nanocrystalline titania layers in dye-sensitized solar cells

Lee S.-H.A.; Abrams N.M.; Hoertz P.G.; Barber G.D.; Halaoui L.I.; Mallouk T.E. (WASHINGTON1155 16TH ST, NW, WASHINGTON, DC 20036 USA, 2008)

We report a quantitative comparison of the photoaction spectra, short circuit current densities, and power conversion efficiencies of dye-sensitized solar cells (DSSCs) that contain bilayers of nanocrystalline TiO2 (nc-TiO2) ...

Now showing items 38-57 of 244

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Browsing Department of Chemistry - Faculty Publications by Title

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