• Chemical Compositions and Biological Activiities of Smoke Collected from Azadirachta Indica (Neem) and Olea Europaea (Olive) Leaves 

  Teshome, Kibrom (Addis Ababa University, 2020-07-30)

  This study aimed at the analysis of essential oil and smoke from neem and olive leaves for their biological (antioxidants and insecticidal) activities. Essential oil was extracted using hydrodistillation technique, and ...
• Investigation of Chemical Constituents and Anti- Oxidant Activities of the Essential Oils of Lippia Adoensis and Ocimum Sanctum L. 

  Fikadu, Yemisrach (Addis Ababa University, 2020-07-24)

  In this study essential oils of Lippia adoensis leaf, Ocimum sanctum L. leaf and stem (together without separation) and the mixture of the two plants from Bishoftu and Debre Berhan sample area was analyzed using Gas ...
• Conducting Polymer Based Composites for Electrocatalytic Reduction of Oxygen and Flexible Supercapattery 

  Getachew, Teklewold (Addis Ababa University, 2020-12-13)

  The rapid depletion of fossil fuels and the growing environmental impact of traditional energy resources have created the need to develop more efficient, low cost and environmentally friendly energy conversion and storage ...
• Determination of Heavy Metals in the Soils of Flower Farms at Zeway, Sebeta and Holeta 

  Gemechu, Yenenesh (Addis Ababa University, 2020-03-02)

  Soils polluted with heavy metals have become common across the globe due to increase in geologic and anthropogenic activities. Heavy metals in the soil refers to some significant heavy metals of biological toxicity, including ...
• Syntheses of 7-Fluoro-6-(Thiophen-2-Yl)-4h-Thieno[3,2-B]Indole-Based Polymers 

  Yerango, Asaminew (Addis Ababa University, 2020-07-27)

  Four high band gap donor polymers and one medium band gap terpolymer were synthesized using 2-bromo-6-(5-bromothiophen-2-yl)-4-(2-ethylhexyl)-7-fluoro-4H-thieno[3,2-b]indole (34), 2-bromo-6-(5-bromothiophen-2-yl)-7-fluor ...
• Determination of Selected Metals in Traditional Toothbrush from Common Privet (Ligustrum Vulgare), Wild Date Palm (Phoenix Reclinata), and African Wild Olive (Olea Africana) Commonly Used in Addis Ababa, Ethiopia. 

  Fikadu, Yared (Addis Ababa University, 2019-12-08)

  The toothbrush is an oral hygiene instrument used to clean the teeth and gums that consists of a head of tightly clustered bristles mounted on a handle, which facilitates the cleansing of hard-to-reach areas of the mouth. ...
• Synthesis and Characterization of 1,4-Dihydroquinoxaline -2, 3-Dione Derivatives-Based Zn (Ii) and Cd (Ii) Complexes. 

  Bekele, Shibabaw (Addis Ababa University, 2020-05-22)

  Coordination compounds play vital roles in biology, biochemistry and medicine, controlling the structure and function of many enzymes and their metabolism. They find varied application in many industrial processes and ...
• Synthesis and Characterization of 1, 4- Dihydroquinoxaline-2,3-Dione Derivativesbased Co (Ii) and Ni (Ii) Complexes 

  Adefris, Efrem (Addis Ababa University, 2020-08-23)

  In recent years, there has been enhanced interest in the synthesis and characterization of transition metal complexes containing Schiff bases as ligands due to their importance. According to this concept, two Schiff base ...
• Design, Synthesis and Characterization of Ti-Containing Ordered Mesoporous Materials for Epoxidation of Vernonia Oil 

  Awoke, Yaregal (Addis Ababa University, 2020-06-18)

  This study focusses on obtaining heterogeneous Ti-containing catalysts through the design and optimization of pure silica SBA-15 and hybrid organic-inorganic PMO mesostructured materials in which the pore size, the ...
• Determination of Metal Contents in Eggplants and their Corresponding Soil of the Plant Cultivated in Ethiopia. 

  Asafew, Kenbigegn (Addis Ababa University, 2020-07-29)

  Eggplant is one of an edible vegetable in the world including Ethiopia. It is among the widely produce vegetable in the world. The aim of this study is to determine the metal contents of eggplants and their corresponding ...
• Phytochemial Investigations and Biological Activities of Smoke Samples Collected from Otostegia Integrifolia, Silene Macrosolen, and Echinops Kebericho Plants 

  Zewdu, Tadesse (Addis Ababa University, 2020-08-06)

  The essential oils and smoke collected from leaves of Otostegia integrifolia, S. macrosolen and E.kebericho were investigated using gas chromatography mass spectrometry (GC-MS). Several compounds were identified in the ...
• Synthesis and Characterization of Mn (Ii) and Zn (Ii) Complexes of Mixed Ligand 2, 2’-Bipyridine and Citric Acid 

  Taye, Melkamu (Addis Ababa University, 2020-07-04)

  Solvothermal synthesis of Zn (II) ion with mixed ligand 2,2’-Bipyridine and citric acid resulted in new Zn:Hcit:(bpy)1 (1) [Zn3(C6H5O7)2 (C10H8N2)3.(H2O)2 ].6H2O.(NH3)3 and Zn:Hcit:(bpy)2 (2) [Zn3 (C6H5O7)2 (C10H8N2)6] ...
• Investigation of Solvent and Concentration Effects on the Tautomeric Equilibrium of Acetamide 

  Wolde, Hailu (Addis Ababa University, 2020-03-06)

  Solvent effects on tautomeric equilibria of acetamide have been investigated by Infra-red spectroscopic technique. IR absorption spectra of solvents of varying polarity were recorded at different concentrations. The solvents ...
• An Electrochemical Sensor for the Oxidative Determination of 4-Nitro Phenol at Poly (Bromo Cresolpurple) Modified Glassy Carbon Electrode 

  Abebe, Ananiya (Addis Ababa University, 2020-02-06)

  A glassy carbon electrode was modified with bromocresol purple (BCP) and characterized for the electrochemical oxidation of 4-nitrophenol (4-NP) by cyclic voltammetry and differential pulse voltammetry. The oxidation ...
• Quantitative Determination of the Accumulation Level of Selected Essential and Toxic Heavy Metals in Korarima (Aframomum Corrorima), Ginger (Zingiber Officinale), Turmeric (Curcuma Longa) and Black Pepper (Piper Nigrum) Spice Plants and their Corresponding Soils Cultivated In Jima Zone, South West Ethiopia. 

  Gemechu, Tura (Addis Ababa University, 2014-06-06)

  The level of accumulation of selected essential and non-essential metals, namely; Ca, Cu, Zn, Ni, Cd, Pb, and Cr have been investigated in the seeds, fruits, and rhizomes, which is the edible part of some spice plants used ...
• Effect of Low Boiling Point Solvent Additives on the Photovoltaic Performance of Tq1:Pc61bm Based Bulk Heterojunction Solar Cells 

  Tukue, Hagos (Addis Ababa University, 2014-06-06)

  The need for clean, inexpensive and renewable energy has increasingly turned research attention towards polymer photovoltaic cells. However, the performance efficiency of these devices is still low in comparison with ...
• Effect of Polymer Structure and Composition on Photovoltaic Performance of Organic Conjugated Polymer Bulk Heterojunction Solar Cells 

  Adam, Getachew (Addis Ababa University, 2012-06-05)

  In this thesis solar energy to electrical energy conversion using organic conjugated polymer based bulk heterojunction solar cells has been studied by aiming at the effect of polymer structure and composition on minimizing ...
• Synthesis and Characterization of 1, 4- Dihydroquinoxaline-2,3-Dione Derivativesbased Co (Ii) and Ni (Ii) Complexes 

  Adefris, Efrem (Addis Ababa University, 2020-08-08)

  In recent years, there has been enhanced interest in the synthesis and characterization of transition metal complexes containing Schiff bases as ligands due to their importance. According to this concept, two Schiff base ...
• Synthesis,Characterization and Encapsulation of Bipyridine Transition Metal Complexes in Zeolite Y 

  Eskemech, Alehegn (Addis Ababa University, 2014-06-06)

  Transition metal (M = Co(II), Ni(II) and Cu(II)) complexes have been synthesized by refluxing the metal chloride with ligand, 2,2’–bipyridine .Tris(2,2’-bipyridine )complexes of cobalt(II), nickel(II), and copper(II) have ...
• Kinetics of Adsorption/Desorption of 1-Butyl-3-Methylimidazolium Bromide Into/Out of Mordenite 

  Chanie, Yewilsaw (Addis Ababa University, 2014-02-02)

  The adsorption and desorption kinetics of ionic liquid (1-butyl-3-methylimidazolimu bromide) on mordenite have been studied. Adsorption and desorption of ionic liquid into/out of calcined and uncalcined mordenite was ...

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