• DIAGNOSIS OF STUDENTS’ MISCONCEPTION ON THE CONCEPT OF ACID-BASE IN TWO SECONDARY SCHOOLS OF BISHOFTU, ETHIOPIA 

  KASSU BIRATU BEDASSA; Ayalew Temesgen (PhD); Yiheyis Bogale (PhD) (Haramaya University, 2023)

  Acid-base chemistry is the dominant chemical reactions in the chemical industry. However, most of the high school students are considered it as difficult topic and usually they had misconception about the reaction ...
• PHYTOCHEMICAL INVESTIGATION AND EVALUATION OF ANTIMICROBIAL ACTIVITIES OF ROOT BARK EXTRACTS OF CALPURNIA AUREA (AITON) BENTH 

  ASLEDIN AHMED MUME; Neelaiah Babu G. (PhD); Teshome Gonfa (MSc) (Haramaya University, 2023-11)

  All parts of Calpurnia aurea are traditionally used for the treatments of diarrhea,live stock ticks and antiinflammentery.The present study was carried out to investigate phytochemicals constituents and evaluation of ...
• THE EFFECT OF PROCESS ORIENTED GUIDED INQUIRY LEARNING STRATEGY ON GRADE 12 STUDENTS’ ACHIEVEMENT AND ATTITUDE IN ELECTROCHEMISTRY CONCEPTS 

  ANDARGIE BELETE ZEMENE; Ayalew Temesgen (PhD); Deribachew Bekana (PhD) (Haramaya University, 2023-11)

  The aim of this study was to evaluate the effect of using Process Oriented Inquiry Learning (POGIL) approach on grade 12 natural science students’ academic achievement and attitude on the concept of electrochemistry ...
• ZEOLITE SUPPORTED V2O5: POTENTIAL CATALYTIC APPLICATION IN OXIDATIVE ESTERFICATION OF AROMATIC ALDEHYDES 

  BIRHAN HAILIE SITOTAW; Neelaiah Babu G (PhD); Prof. Abi Taddesse (PhD) (Haramaya University, 2023-05)

  The direct oxidative esterification reaction of aldehydes is a conceptually and economically attractive approach and, therefore, has received increasing attention. The improvement of a one pot oxidative esterification ...
• LEVELS AND RISK ASSESSMENTS OF POLYCYCLIC AROMATIC HYDROCARBONS IN SURFACE DUST FROM ELECTRONICS AND ELECTRICAL MATERIALS MAINTENANCE SHOPS 

  Thtna Mekuriya Agazh; (PhD) Meseret Amde; (PhD) Deribachew Bekana (Haramaya University, 2023-02)

  Polycyclic aromatic hydrocarbons (PAHs) are toxic organic compounds causing health related risks. They can be present in, air, surface dust and soil having natural and anthropogenic sources like incomplete combustion ...
• DETERMINATION OF LEVELS OF SELECTED HEAVY METALS IN RAW AND POWDER MILK PRODUCTS AVAILABLE IN HARAR CITY MARKETS, ETHIOPIA 

  Teshale Hunegnaw Yihune; (Ph.D.) Minbale Aschale; (Ph.D.) Deribachew Bekana (Haramaya University, 2022-07)

  Milk is a white liquid produced by the mammary glands of mammals and used for different purposes especially for human as food. However, its contamination with heavy metals is a great problem for the required purpose. ...
• SYNTHESIS OF BIO-INSPIRED SILVER NANOPARTICLES USING Parthenium hysterophorus LEAF EXTRACT FOR COLORIMETRIC DETECTION OF LEAD (II) IONS 

  Dibaba Bayana Hirpa; (PhD) Meseret Amde; (PhD) Deribachew Bekana (Haramaya University, 2022-11)

  Heavy metal ions are considered as potential environmental pollutant as many of them are high capability of biomolecules toxicity even at low concentration. Lead (Pb) is one of the major heavy metal pollutants that can ...
• SYNTHESIS, CHARACTERIZATION AND ANTIMICROBIAL EVALUATION OF NOVEL 1, 4-DISUBSTITUTED PIPERAZINE DERIVATIVES 

  Teshome Fikre Bonsa; Neelaiah Babu G. (PhD); Muthu Saravanan (PhD (Haramaya University, 2022-11)

  Piperazine is a heterocyclic compounds which have two nitrogen atoms at opposite positions in the six membered ring were reported to have extensive applications in various medical and industrial fields. In this study six ...
• OPTIMIZING ELECTRONIC STRUCTURE AND OPTOELECTRONIC PROPERTIES OF VINYL FUSED MONOMERIC AND OLIGOMERIC BENZOXAZOLE – A QUANTUM CHEMICAL APPROACH 

  Mekonnen Abera Belachew; Boobalan Maria Susai (PhD); Endal Teju (PhD) (Haramaya University, 2022-03)

  In this work, an approach based on quantum chemistry the electronic structures and opto electronic properties of Vinyl fused benzoxazole with a variety of organic donor accepter materials based on vinyl fused monomeric ...
• PHYTOCHEMICAL INVESTIGATION AND ANTIMICROBIAL ACTIVITY OF STEM BARKCRUDE EXTRACT OF Faidherbia albida 

  Getahun, Yonas; Babu G., Neelaiah (PhD)_; Teju, Endale (PhD); Dekebo, Aman (PhD) (HARAMYA UNIVERSITY, 2020-12)

  The present study was aimed to investigate the phytoconstituents and antimicrobial activity of stem bark crude extract of F. albida. Dried powder of plant samples were subjected to sequential extraction using petroleum ...
• PHYTOCHEMICAL INVESTIGATION AND EVALUATION OF ANTIMICROBIAL ACTIVITIES OF STEM BARK EXTRACTS OF Vernonia amygdalina 

  Dibaba, Misgana(MSc); Babu G., Neelaiah (PhD); Teju, Endale (PhD); Dekebo, Aman (PhD) (HARAMYA UNIVERSITY, 2020-12)

  Vernonia Amygdalina (VA) is a tropical African plant of the Asteraceae family and is occasionally cultivated for its medicinal uses, which include as a treatment for diarrhea, skin wounds, fever mastitis, body allergy ...
• PHYTOCHEMICAL INVESTIGATION AND ANTIMICROBIAL ACTIVITY OF STEM BARKCRUDE EXTRACT OF Faidherbia albida 

  Getahun Haile, Yonas; Babu G., (PhD) Neelaiah; Teju, (PhD) Endale (Haramaya university, 2020-12)

  The present study was aimed to investigate the phytoconstituents and antimicrobial activity of stem bark crude extract of F. albida. Dried powder of plant samples were subjected to sequential extraction using petroleum ...
• THE EFFECT OF CONTEXT BASED-APPROACH ON TEACHING THE CONCEPT OF ACID BASE INDICATORS ON COLLEGE STUDENTS’ ACHIEVEMENT AND ATTITUDES 

  Temesgen, (PhD) Ayalew; Teju, (PhD) Endale (Haramaya university, 2019-12)

  An approach for teaching the concept of acids bases indicators in the college students’ achievement and attitude toword fundamentals of chemistry topic. The active teaching constructive methods within the intraction of ...
• QUANTITATIVE ADSORPTON OF SELECTED HEAVY METALS FROM AQUEOUS SOLUTION USING LOCALLY AVAILABLE CLAY 

  Teshome Hailu, Abayneh; Teju, Dr. Endale; Bogale, Dr. Yiheyis (Haramaya university, 2020-09)

  This study aims to examine the potential of natural,calcined and chemically modified clay soil from Ethiopia ,Oromia Region, West Hararghe Zone, Oda Bultum Woreda, Sakata Village as an effective adsorbent material for the ...
• PHYTOCHEMICAL INVESTIGATION AND ANTIMICROBIAL ACTIVITY OF STEM BARKCRUDE EXTRACT OF Faidherbia albida 

  Getahun Haile, Yonas; Babu G., (PhD) Neelaiah; Teju, (PhD) Endale (Haramaya university, 2020-12)

  The present study was aimed to investigate the phytoconstituents and antimicrobial activity of stem bark crude extract of F. albida. Dried powder of plant samples were subjected to sequential extraction using petroleum ...
• PHYTOCHEMICAL INVESTIGATION AND EVALUATION OF ANTIMICROBIAL ACTIVITIES OF STEM BARK EXTRACTS OF Vernonia amygdalina 

  Dibaba Danu, Misgana; Babu G., (PhD) Neelaiah; Teju, (PhD) Endale (Haramaya university, 2020-12)

  Vernonia Amygdalina (VA) is a tropical African plant of the Asteraceae family and is occasionally cultivated for its medicinal uses, which include as a treatment for diarrhea, skin wounds, fever mastitis, body allergy and ...
• QUANTITATIVE ADSORPTON OF SELECTED HEAVY METALS FROM AQUEOUS SOLUTION USING LOCALLY AVAILABLE CLAY 

  Teshome Hailu, Abayneh; Teju, Dr. Endale; Bogale, Dr. Yiheyis (Haramaya university, 2020-09)

  This study aims to examine the potential of natural,calcined and chemically modified clay soil from Ethiopia ,Oromia Region, West Hararghe Zone, Oda Bultum Woreda, Sakata Village as an effective adsorbent material for the ...
• AMBERLITE IRA 67 CATALYZED DARZENS REACTION: SYNTHESIS, CHARACTERIZATION AND ANTIMICROBIAL STUDY OF NOVEL 3-SUBSTITUTED BENZYL-2-OXIRANES 

  gure jibat, Gamada; babu g, Neelaiah Major Advisor (PhD); bogale, Yiheyis Co-Advisor (PhD) (Haramaya university, 2019-03)

  In the present work, five novel 3-substituted benzyl-2-oxiranes were synthesized from 2chloroacethophenone and aldehydes in the presence of Amberlite IRA 67 catalyst by Darzens reaction method. The structures of the ...
• SYNTHESIS, CHARACTERIZATION AND CATALYTIC ACTIVITY OF SELECTED TERNARY NANOCOMPOSITE FOR ORGANIC REACTIONS 

  chigru zenebe, fikremariam; taddesse, Abi Major Advisor (PhD; babu, Neelaiah Co-Advisor(PhD); sanchez, Manuel Co Advisor (PhD) (Haramaya university, 2019-06)

  In recent years, environmental and economic considerations have promoted process innovation towards cleaner technologies. Therefore, it is desirable to use heterogeneous catalysts that can perform under milder reaction ...

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