Vol. 36 No. 2 (2022) | Bulletin of the Chemical Society of Ethiopia

Published: 2022-05-20

An integrated approach for the characterization of groundwater quality using multivariate statistical techniques and spatial analysis

S. Geetha, M. Dharmendirakumar, J. Sunil

241-260

DOI:

10.4314/bcse.v36i2.1

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Optimization of ultrasound-assisted extraction of phenolic compounds from fresh Moringa oleifera leaves with a response surface methodology and comparison with the Soxhlet extraction method

Nguyen Thi Hoang Yen, Le Pham Tan Quoc

261-275

DOI:

10.4314/bcse.v36i2.2

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New analytical methods for the determination of ascorbic acid content in aqueous extracts of flesh, peel and seeds of pumpkin (Cucurbita maxima)

Mulu Hagos, Mesfin Redi-Abshiro, Bhagwan Singh Chandravanshi, Estifanos Ele Yaya

277-290

DOI:

10.4314/bcse.v36i2.3

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Solid-phase extraction of folic acid from pharmaceutical formulations using modified magnetic iron oxide nanoparticles

Hind Hadi , Rana Amer

291-302

DOI:

10.4314/bcse.v36i2.4

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Development of continuous flow injection analysis method for determination of oxymetazoline and vancomycin hydrochloride in pharmaceutical preparations

Bayan Hassan, Hind Hadi

303-313

DOI:

10.4314/bcse.v36i2.5

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Environmental risk assessment and chemical contamination with heavy metals in the sediments of three drains, south of Manzala lake (Egypt)

Yasser El-Amier, Samia Haroun, Amr Mowafy , Mottia Abd-Elwahed

315-327

DOI:

10.4314/bcse.v36i2.6

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Obsolete pesticide residue level analysis and toxicological risk evaluation from Hadya Zone dump site, Ethiopia

Gedifew Nigatu , Ahmed Hussen

329-337

DOI:

10.4314/bcse.v36i2.7

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Optimization of process parameters in micro milling of Ti4Al4Mo2Sn using nano Al2O3 additives based minimum quantity cooling lubrication

M. Nithiyanandam, I. Rahamathullah , R. Ashok Raj

339-351

DOI:

10.4314/bcse.v36i2.8

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Synthesis, characterization and structural study of Fe(III) complex derived from sodium dodecyl benzene sulfonate

Zahira Chaieb, Zahia Zizi, Abderrezak Benghalem

353-361

DOI:

10.4314/bcse.v36i2.9

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A new simple route for synthesis of cadmium(II), zinc(II), cobalt(II), and manganese(II) carbonates using urea as a cheap precursor and theoretical investigation

Ghaferah H. Al-Hazmi, Khuloud A. Alibrahim, Moamen S. Refat, Omar B. Ibrahim, Abdel Majid A. Adam , Sonam Shakya

363-372

DOI:

10.4314/bcse.v36i2.10

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Four new tin(II), uranyl(II), vanadyl(II), and zirconyl(II) alloxan biomolecule complexes: synthesis, spectroscopic and thermal characterizations

Amnah Mohammed Alsuhaibani, Abdel Majid A. Adam , Moamen S. Refat

373-385

DOI:

10.4314/bcse.v36i2.11

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Antioxidant, antimicrobial and antityrosinase activities of phytochemicals from the leaves of Globimetula braunii (Engler) Van Tiegh (Loranthaceae)

Kamal Ja’afar Muhammad, Shajarahtunnur Jamil, Norazah Basar, Norzafneza Mohd Arriffin, Mariya Tijjani Idris, Saidu Jibril, Fausat Temilola Akanji

387-397

DOI:

10.4314/bcse.v36i2.12

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Chemical composition and anti-inflammatory activity of essential oils from resin of Commiphora species

Worku Dinku, Su Bin Park, Jin Boo Jeong, Chuleui Jung , Aman Dekebo

399-415

DOI:

10.4314/bcse.v36i2.13

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Cytotoxic compounds from the root bark of Securidac alongipedunculata

Feyisa Wedajo, Abera Gure, Melkau Meshesha, Kassim Kedir, Marcel Frese, Norbert Sewald , Negera Abdissa

417-422

DOI:

10.4314/bcse.v36i2.14

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Heck-Matsuda reaction utilizing in-situ generated palladium on aluminum phosphate

Therese Stern, Sandra Heyde (née Lucks), Heiko Brunner

423-432

DOI:

10.4314/bcse.v36i2.15

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Novel and high efficient cycloaddition of CO2 with epoxides to cyclic carbonates over reusable mesoporous KIT-6 supported imidazolium lactate catalyst

Yang Liu , Yu Lin Hu

433-450

DOI:

10.4314/bcse.v36i2.16

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Synthesis and biological assessment of new benzothiazolopyridine and benzothiazolyl- triazole derivatives as antioxidant and antibacterial agents

Mahmoud Arafat, Ehab Abdel-Latif, Fathy M. El-Taweel, Seif-Eldin N. Ayyad , Khaled S. Mohamed

451-463

DOI:

10.4314/bcse.v36i2.17

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Nonlinear optical characteristics of N,N’-bis(salicylidene)-p-phenylenediamine: Z-scan technique and quantum mechanical calculations

Abdolrasoul Gharaati, Yasaman Abed , Fatemeh Mostaghni

465-477

DOI:

10.4314/bcse.v36i2.18

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Studies of quantum mechanics/molecular docking on zanubrutinib as potential repurposed against Covid-19

Nosrat Madadi Mahani , Sayed Zia Mohammadi

479-485

DOI:

10.4314/bcse.v36i2.19

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