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DETERMINATION OF THE LEVELS OF PHOSPHATE ANDNITRATE IONS AND SOME SELECTED METALS IN SERENTA RIVER WEREDA TSELEMTI, ETHIOPIA

: DESALE, KASA (2018-11-09)

The purpose of the present study is to assess the levels of nitrate (NO3-) and phosphate (PO43-)ions and selected metals (Mg, Ca, Zn and Cu) in water samples collected intwo seasons, April 15 to 18/2018 (dry season) and ...

DETERMINATIONOFSOME ESSENTIAL TRACE ELEMENTS IN SESAME GRAINS GROWN IN EBINAT WOREDA, ETHIOPIA

AZANEW, TEZERA (2018-11-07)

Sesame is considered to be healthful cereal for food. Sesame grains are high in energy and contain many health benefiting nutrients; minerals, antioxidants and vitamins that are essential for wellness and have positive ...

VOLTAMETRIC DETERMINATION OF VITAMINE “C” CONTENT IN CABBAGE USING ANTHRAQUINONE MODIFIED CARBON PESTE ELECTRODE

AMARE, NIGUSIE (2018-11-07)

Anodic stripping voltammetric determination of ascorbic acid using carbon paste electrode modified with anthraquinone is investigated in the present work. Electrochemical investigation of ascorbic acid using square wave ...

HEAVY METALS (Pb, Ni, Cd and Cr) ANALYSIS IN SOLID WASTE DISPOSAL SITE USING ICP-OES: THE CASE OF BAHIR DAR CITY

Lijalem, Belay (2018-11-07)

Uncontrolled disposal of solid waste causes different adverse ecological impacts. One of the serious problems is enrichment of heavy metals to the nearest environment. The present study is an attempt to study the heavy ...

SYNTHESIS AND BIOLOGICAL ACTIVITIES INVESTIGATION OF Co(II) COMPLEXES WITH 2,2’- BIPYRIDINEAND ADENINE AS LIGANDS

WORKU, AYECHEW (2018-11-06)

To alleviate the alarming problem of microbial resistance to antibiotics transition metalcomplexes are taken as alternatives. In line with this, in this work, two complexesofcobalt(II)namely,[Co(Bpy)2(H2O)]Cl2and[Co(Bpy) ...

“SYNTHESIS AND BIOLOGICAL ACTIVITIES INVESTIGATION OF CU (II) COMPLEXES WITH 2, 2`-BIPYRIDINE AND ADENINE AS LIGANDS”

FIKADU, TEGAFAW (2018-11-06)

Synthesizing new biologically active compounds sets up the efforts made in overcoming the alarming problem of microbial resistance to antibiotics. In line with this, a copper (II) coordination compound of 2, 2`-bipyridine ...

DETERMINATION OF THE CONCENTRATION OF SELECTED ESSENTIAL AND TOXIC METALS IN FENUGREEK SEED (TRIGONELLA FOENUM-GRAECUM L.): THE CASE OF SIMADA WEREDA, SOUTH GONDAR ZONE, AMHARA REGIONAL STATE, ETHIOPIA

GEDEFAW, BIRHAN (2018-11-06)

A composite Fenugreek (Trigonella foenum-graecum L.) seed samples were collected from five farmers each from Engudadar, Gujign, and Qachena Eyesus kebeles of Simada wereda , south Gonder zone, Amhara Region, Ethiopia to ...

DETERMINATION OF CAFFEINE LEVEL IN BRANDS OF INSTANT COFFEE AVAILABLE IN ETHIOPIAN MARKET USING UV-VIS SPECTROPHOTOMETRY AND HIGH PERFORMANCE LQUID CHROMATOGRAPHY

MOHAMMED, OMER (2018-11-06)

Coffee is one of the most popular stimulant beverages in the world, as it is highly rich source of an alkaloid component known as caffeine. On the other hand, people are using an ease and simplified preparation of coffee ...

DETERMINATION OF SELECTED MACRONUTRIENTS OF CONGRESS WEED (Parthenium hysterophorus L.) COMPOST AND ITS EFFECT ON VEGETABLE SEED GERMINATION

FEKEDE, ASSAMENE (2018-11-06)

Parthenium hysterophorus commonly known as congers grass is a noxious weed. The weed is dominant in many parts of Ethiopia and became beyond the control of the smallholder farmers and the government. There have been ...

DIVERSITY, STRUCTURE AND CONSERVATION STATUS OF CHURCH FORESTS IN DANGLA TOWN, AWI ZONE OF THE AMHARA REGION OF NORTHWESTERN DIVERSITY, STRUCTURE AND CONSERVATION STATUS OF CHURCH FORESTS AWI ZONE OF THE AMHARA REGION OF NORTHWESTERN DIVERSITY, STRUCTURE AND CONSERVATION STATUS OF CHURCH FORESTS AWI ZONE OF THE AMHARA REGION OF NORTHWESTERN ETHIOPIA

TAYACHEW, BIRHANU (2018-11-05)

The study was conducted at Dangla town Church Forests, Awi Zone, Amhara Region, Northwestern Ethiopia. The objective of this study was to determine and analyze the species diversity, population structure and regeneration ...

DETERMINATION OF TOXIC (Cd, Pb) AND ESSENTIAL (Zn, Cu) METALS IN RICE PRODUCTS FROM FOGERA, SOUTH GONDAR, ETHIOPIA USING ICP - OES

: Teshager, Assefa (2018-11-05)

Rice is the most important staple food crop for more than half of the world’s population. In present study the level of selected toxic elements (Pb, Cd) and essential elements (Zn, Cu) in rice samples were collected from ...

Synthesis, Characterization and Assessment of Antibacterial Activities of Iron (III), Mixed Ligand Complexes containing 2,2’-Bipyridine and Acetamide

Bekalu, Molla (2018-11-01)

ABSTRACT Antimicrobial resistance is one of our most series health problems. Infections from resistance bacteria are now common, and some pathogens have been become resistant to multiple classes of antibiotics. Transition ...

DETERMINATION OF SOME ESSENTIAL (Zn&Cu) AND TOXIC METALS (Pb&Cd) IN ETHIOPIAN KALE (BRASSIC CARINATAA.)USING ICP-OES MARKETEDINBAHIR DAR CITY,ETHIOPIA

Shumet, Asmare (2018-11-01)

Ethiopian kale is the most consumed vegetable in Bahir Dar, prepared in many different ways for eating. It can be pickled, fermented for dishes or eaten raw. In present study, two essential metals (zinc (Zn) and copper ...

ASSESSMENT OF PHYSICO-CHEMICAL WATER QUALITY PARAMETRS IN SPRING WATER FROM FAGITA SILASE, AWI, ZONE, AMHARA REGION

KIBUR, TADELE (2018-10-01)

Springs are a natural source of ground water and the most important sources of fresh water for drinking, agricultural and other house hold utilization. The spring water found in Fagita Silase is one of the widely used as ...

Synthesis, Characterization and PhotocatalyticActivity of Iron Titanium Oxide/Zinc Oxide Nanostructure for Degradationof Organic Dye in Waste Water

GIDENA, GEBREEGZIABIHER (2018-08-02)

Even today the efficient treatment of industrial waste water is not evident. The effluents may contain large amounts of harmful organic compounds that are not easily removed with conventional methods. Several semiconductors ...

Synthesis, Characterization and Antibacterial Activities Investigations of Mixed Ligand Complexes of Cobalt(II) Containing 1,10-Phenantroline,AdenineandAcetamide

Tadesse, BIZUAYEHU (2018-08-02)

In this work, the complex of cobalt(II),[Co(Phen)2(Ad)(Ac)]Cl2was synthesized from 1,10-phenanthroline alone as well as from 1,10-phenanthroline , adenineand acetamide. The synthesis was checked using halide test,solublity ...

Studies on Chemical Composition and Antioxidant Activity of Leaf Extracts of Castor Plant (Ricinus communis)

MUKTAR, HASSEN (2018-08-02)

Ricinus communis is widely distributed in tropical and temperate regions throughout the world and widely used in traditional medicine. It is used as hepatoprotective, laxative, antidiabetic, antifertility, antioxidant, ...

PROFILING THE FATTY ACID CONSTITUENTS IN GREEN COFFEE BEANS FROM SOME SELECTED AREAS OF AMHARA REGION

TIBEBU, SHIFEREW (2018-08-02)

Coffee Arabica is highly cultivated in different areas of Amhara region, specifically East Gojjam, West Gojjam, and Awi zones. However, this coffee has not been well characterized and branded for the national and ...

Synthesis, Characterization and Photo-catalytic Activity of Cupper Iron Oxide/Zinc Oxide Nanoparticles for Degradation ofMethylene Blue dye

ADDIDIE, ALEMAYEHU (2018-08-02)

In this research work, synthesis, characterization and photocatalytic activity of CuFeO2/ZnO nanoparticle for degradation of methylene blue (MB) dyewas studied. The CuFeO2/ZnO nanoparticles were successfully synthesized ...

DETERMINATION OFGEOGRAFICAL ORIGIN OF GREEN COFFEE BEANSFROM AMHARA REGION BYUSING MULTI ELEMENTAL ANALAYSIS

MINBALE, ENDAYE (2018-08-02)

The concentrations of minerals and trace elements in coffee reflect the soil type and the growing conditions.Consequently, there is a pressing need for analytical methodologies to accurately authenticate the origin of ...

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