• Synthesis of Zinc Oxide Nanoparticles and Cobalt doped Zinc Oxide Nanocomposites using Allium cepa l. Aqueous peel extract and evaluation of its Antimicrobial and Photocatalytic Activities Thesis 

  Misgana Agasa; Gutta Gonfa (2023-05)

  Since dye effluents discharged from different industries lead to environmental contamination, their treatment and environmental remediation are highly desired. Due to the limitations of physical treatment methods like ...
• Mangifera Indica Fruit Peel Extract Mediated Synthesis Of Znnio Ncs And Agnio Ncs For Antimicrobrial And Antioxidant Activities Thesis 

  Fuad, Ahmed.; Guta, Gonfa; Gebru, G/Tsadik (2023-05)

  NiO NPs have attracted the attention of scientific community due to multifunctional, tunable nature, have wide band gap (3.7-4.0 eV), an intrinsic p-type semiconductor that possess a wide range of applications. Green ...
• Phytochemical Investigation Of The Stem Bark Of Dracaena Steudneri Engl And Evaluation For Its Antibacterial Activity Thesis 

  Negera, Addissa; Temesgen, Mitiku; Ayana, Jaleta (2023-04)

  Medicinal plants are considered as a good resource for novel and effective pharmaceuticals. Dracaena. steudneri is widely used for cough treatment of labor, splenomegaly, hernia, asthma and related chest problems in ...
• Synthesis of ag2s-cuo–zno ternary Nano composite for determination Of ascorbic acid and antioxidant activity Thesis 

  Abdulwahid Abamecha; Guta Gonfa; Shemelese Adisu (2022-12)

  Ternary nanocomposite has received considerable attention owing to their novel characteristics and potential applications on ascorbic acid determination and antioxidant activity. The aim of this study was to synthesize, ...
• Utilization of Waste Cooking Oil and Endod (Phytolacca dodecandra) for the Production of Laundry Soap Thesis 

  Bahabelom Haile Abera; Tamene Tadesse; Abebe Diro (2022-11)

  A green perspective based on the reuse of waste materials such as waste cooking oils (WCOs) and Endod (Phytolacca dodecandra) to manufacture soap is presented. Soap is made by a saponification process that uses an alkaline ...
• Chemical Compositions And Antioxidant Activities Of Pepper (Capsicum Annuum L.) Varieties Of Omo Nada District, Jimma Zone, Ethiopia Thesis 

  Zemani, Kebu; Abera, Gure; Guyo, Jilo (2022-12)

  Capsicum annuum L. (Solanaceae family) is one of the common peppers that are used as spices to flavor dishes and consumed as a vegetable. Peppers contain many bioactive compounds most of which are related to antioxidant ...
• Phytochemical investigation And antimicrobial activity of crude extract and essential oils From Ocimum gratissimum Thesis 

  Teketel Woldeyohannes; Tsegaye Girma; Mudin Jemal (2023-04)

  Medicinal plants are exploited by human beings as pharmaceuticals, agrochemicals, and poisons since ancient times. Ocimum gratissimum is one of these medicinal plants which belongs to the genus Ocimum and is commonly ...
• Adsorption Studies On Removal Of Methylene Blue Dye Using Drinking Water Treatment Sludge From Water Thesis 

  Shambel, Yeshitila Taddese; Shambel, Yeshitila Taddese; Tsegaye, Girma (2022-09)

  Wastewater generated by textile plants is linked to one of the major problems of water pollution. It contains a mixture of different dyes, auxiliaries, additives and additional chemicals that were added during textile ...
• Electrochemical Determination Of Thioglycolic Acid At Gold Electrode Thesis 

  Mulugeta, Niguse; Shimeles, Addisu; Tilahun, Yai (2022-12)

  Thioglycolic acid (TGA) is an organic compound widely used in cosmetics that cause various health problems when overexposed to it. So far many attempts have been made to develop methods for TGA determination. Therefore, ...
• Proximate And Selected Metals Analysis Of Yam (Dioscorea Alata) Commercialized In Local Markets Of Jimma City, Ethiopia Thesis 

  Ebsa Terfa; Abera Gure; Kasim Kedir (2022-04)

  In this study, nutritional, anti-nutritional, and mineral compositions of yam tubers (Dioscorea alata) commercialized in the local markets of Jimma City, Ethiopia were investigated. The study was on red and white yam ...
• Adsorptive Removal Of Methylene Blue Dye From Aqueous Solution By Sulfuric Acid Modified Avocado Seed Thesis 

  Bilata Kebede; Gebru Gebretsadik; Gebru Gebretsadik (2022-04)

  Dyes are complex organic compounds which are widely used in textile, printing, leather, cosmetic and paper industries and hence produce large amount of dye bearing liquid effluents The aim of this study was to examine ...
• Physicochemical properties and microbial load of raw cow's milk produced and marketed in jimma town, south western Ethiopia Thesis 

  Jemal Ahmed; Kirubel Teshome; Birkinesh Girma (2022-03)

  Despite milk is a highly nutritious food, it can easily be contaminated with physicochemical and microbiological hazards. The aim of this study was to investigate the physicochemical properties and microbial load of raw ...
• Determination Of Mineral Contents And Proximate Analysis Of “Tella” Residue Collected From Traditional “Tella” Brewers In Jimma City Thesis 

  Tesfaye, Shifarew; Tsegaye, Girma; Menberu, Yitibarek (2022-04)

  There are different byproducts of local brewery in Ethiopia. Among these “Tella”residue is one of the byproduct of local brewery beverage which people used as feed for animals like cattle, sheep for fatten up, growth get ...
• Physico-Chemical Analysis And Detrmination Of The Level Of Some Selected Heavy Metals In Well-Waters From Benja Town,And Surrounding Kebeles, Jimma, Ethiopia Thesis 

  Jalata, Kumsa; Menberu, Yitbarek; Feyisa, Wedajo (2020-02)

  The study was conducted in Benja Town and surrounding kebeles, Jimma Zone, Oromia Regional State, southwestern Ethiopia aiming to assess the qualities of the well-waters in case of hand dug well, deep well, hand pump ...
• Synthesis of Zno Nanoparticles And Fe Doped Zno Nano composite Using Zingiber Officinal Root Extract and Evaluation Of Their Antibacterial Activities Untitled 

  Yosef Tamiru; Guta Gonfa; Birkinesh Girma (2022-06-04)

  Oxide semiconductors have attracted increasing interest due to their potential in solving environmental problems. The development of antibiotic resistance of bacteria is one of the most pressing problems in world health ...
• Determination of Caffeine Content and Phytochemical Screening Of Raw and Roasted Coffee Beans of Bench Sheko Zone, Southwest Ethiopia Thesis 

  Feleke Mesfin Zeleke; Tsegaye Girma; Ebisa Mirete (2022-03-07)

  Caffeine is a naturally occurring alkaloid which is found in the leaves, seeds or fruits of over 63 plants species worldwide. The most common sources of caffeine are coffee, cocoa beans, cola nuts and tea leaves. ...
• Removal of Methylene Blue Dye from Aqueous Solution using Mango Seed Kernel–derived Activated Carbon Thesis 

  Abdo Mohammed; Gebru G/TsadiK; Ahmed Awol (2022-04-04)

  Dyes removal by adsorption using modified activated carbon is by far the most common and effective method for wastewater contaminants removal. The aim of this study was to remove MB dye from aqueous solution using ...
• Phytochemical Investigation and Antimicrobial Evaluation of Root Extract of Law soniaInermis Thesis 

  Belay Gadisa; Tsegaye Girma; Temesgen Mitiku (2022-04-01)

  Medicinal plants are now more focused than ever because they have the capability of producing many benefits to society indeed to mankind, especially in the line of medicine and pharmaceutical. Lawsonia inermis is one ...
• Synthesis and Characterization of Silver Doped Manganese Oxide Nano composites Using Croton Macrostachyus Leaf Extract and Evaluation of Its Antimicrobial Activity Thesis 

  Megersa Soboka; Guta Gonfa; Ahmed Awol (2022-04-04)

  Recently, green technology through biosynthesis method has drawn great attention compared to the physical and chemical methods. NPs produced by plant extracts are more stable and biocompatible in comparison with those ...
• Synthesis And Characterization Of Nio-Ag3po4- Fe2o3ternary Nano composite and Its Antimicrobial Applications Thesis 

  Kidane, Wolde; Gebru, G/Tsadic; Dhugasa, Jebesa (2022-06)

  Infectious diseases caused by antimicrobial remain a serious and global problem in human health. Herein, the discovery and application of antibiotics have attracted much attention in the past years, have helped to cure ...

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