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Browsing Department of Chemistry - Faculty Publications by Issue Date

Browsing Department of Chemistry - Faculty Publications by Issue Date

Now showing items 1-11 of 11

Synthesis and: In vitro cytotoxicity evaluation of ruthenium polypyridyl-sensitized paramagnetic titania nanoparticles for photodynamic therapy

Sakr, M.H.; Halabi, N.M.; Kalash, L.N.; Al-Ghadban, S.I.; Rammah, M.K.; El Sabban, M.E.; Bouhadir, K.H.; Ghaddar, T.H. (Royal Society of Chemistry, 2016)

Following hydrothermal treatment of the final nanocomposites, a ruthenium polypyridyl dye was anchored to the surface. The total potential reactive oxygen species (ROS) generation and singlet oxygen (1O2) production in ...
High photo-currents with a zwitterionic thiocyanate-free dye in aqueous-based dye sensitized solar cells

Fayad, R.; Shoker, T.A.; Ghaddar, T.H. (Royal Society of Chemistry, 2016)

We report a new water soluble and stable thiolate/disulfide redox couple (T-/DS) and its use with a new zwitterionic and thiocyanate-free dye (T169) in a 100% aqueous electrolyte system. A DSSC incorporating T169 and the ...
Time resolved study of three ruthenium(II) complexes at micellar surfaces: A new long excited state lifetime probe for determining critical micelle concentration of surfactant nano-aggregates

Patra, D.; Chaaban, A.H.; Darwish, S.; Saad, H.A.; Nehme, A.S.; Ghaddar, T.H. (Elsevier, 2016)

Three different ruthenium complexes have been synthesized and their luminescence properties in different solvent environments are reported. Luminescence intensities and excited state lifetimes of Ru-I, Ru-II and Ru-III ...
Physicochemical, melissopalynological and antioxidant properties of artisanal honeys from Lebanon

Jaafar, K.; Haidar, J.; Kuraydiyyah, S.; Ghaddar, T.; Knio, K.; Ismail, B.; Toufeili, I. (Springer India, 2017)

Sixteen honeydew and 15 floral honeys from Lebanon were analyzed for pollen spectra and physicochemical parameters. A total of 37 families and 67 taxa were recorded with the honeybees producing honeydew honey exhibiting a ...
Large Enhancement of Dye Sensitized Solar Cell Efficiency by Co-sensitizing Pyridyl- and Carboxylic Acid-Based Dyes

Hilal, H.M.; El Bitar Nehme, M.A.; Ghaddar, T.H. (American Chemical Society, 2018)

Co-sensitization is an attractive approach to enhance the light-harvesting efficiency of a dye sensitized solar cell (DSSC), whereby two or more dyes having complementary absorption spectra are co-adsorbed within a DSSC. ...
7-O-methylpunctatin, a novel homoisoflavonoid, inhibits phenotypic switch of human arteriolar smooth muscle cells

Fardoun, M.; Iratni, R.; Dehaini, H.; Eid, A.; Ghaddar, T.; El-Elimat, T.; Alali, F.; Badran, A.; Eid, A.H.; Baydoun, E. (MDPI AG, 2019)

Remodeling of arterioles is a pivotal event in the manifestation of many inflammation-based cardio-vasculopathologies, such as hypertension. During these remodeling events, vascular smooth muscle cells (VSMCs) switch from ...
Metal-Organic Framework Photocatalyst Incorporating Bis(4′-(4-carboxyphenyl)-terpyridine)ruthenium(II) for Visible-Light-Driven Carbon Dioxide Reduction

Elcheikh Mahmoud, M.; Audi, H.; Assoud, A.; Ghaddar, T.H.; Hmadeh, M. (American Chemical Society, 2019)

In this study, we report the successful incorporation of the photoactive bis(4′-(4-carboxyphenyl)-terpyridine)ruthenium(II) (Ru(cptpy)2) strut into a robust metal-organic framework (MOF), AUBM-4. The single crystal X-ray ...
New pyridyl-based dyes for co-sensitization in dye sensitized solar cells

El Bitar Nehme, V.A.; El Bitar Nehme, M.A.; Ghaddar, T.H. (Elsevier Ltd, 2019)

Co-sensitization is very advantageous in increasing a dye sensitized solar cell's (DSSC)efficiency. It relies on sensitizing the same titania film with two dyes that have complementary absorption spectra. In this report ...
The effect of different ester chain modifications of two guaianolides for inhibition of colorectal cancer cell growth

Aaraj, L.A.; Hayar, B.; Jaber, Z.; Saad, W.; Saliba, N.A.; Darwiche, N.; Ghaddar, T. (MDPI, 2021)

Several sesquiterpene lactones (STLs) have been tested as lead drugs in cancer clinical trials. Salograviolide-A (Sal-A) and salograviolide-B (Sal-B) are two STLs that have been isolated from Centaurea ainetensis, an ...
Eco-Friendly Aqueous Dye-Sensitized Solar Cell with a Copper(I/II) Electrolyte System: Efficient Performance under Ambient Light Conditions

Jilakian, M.; Ghaddar, T.H. (American Chemical Society, 2022)

Organic solvents used in electrolytes of dye-sensitized solar cells (DSCs) are generally toxic and not environmentally safe, which renders their use, especially in indoor solar modules, difficult. In this paper, an ...
Therapeutic potential of flavonoids in cancer: ROS-mediated mechanisms

Slika, H.; Mansour, H.; Wehbe, N.; Nasser, S.A.; Iratni, R.; Nasrallah, G.; Shaito, A.; Ghaddar, T.; Kobeissy, F.; Eid, A.H (Elsevier Masson s.r.l, 2022)

Cancer is a leading cause of morbidity and mortality around the globe. Reactive oxygen species (ROS) play contradicting roles in cancer incidence and progression. Antioxidants have attracted attention as emerging therapeutic ...

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Browsing Department of Chemistry - Faculty Publications by Issue Date

Browsing Department of Chemistry - Faculty Publications by Issue Date

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