Biotechnology: Recent submissions

Now showing items 21-40 of 124

GREEN SYNTHESIS OF SILVER NANOPARTICLES USING VERBENA OFFICINALIS L. ROOT EXTRACTS AND THEIR ANTIBACTERIAL ACTIVITY AGAINST ESCHERCHIA COLI AND STAPHYLOCOCCUS AUREUS

Salahadin Abdella Usman; Dr. J. M. Sasikumar; Dr. Ameha Kebede (Haramaya University, 2022-03)

Green nanoparticle synthesis techniques for various biological activities and medical applications are desired because of their bio-compatibilit. Hence, in this study, silver nanoparticles (AgNPs) were synthesized using ...
ETHNOBOTANICAL STUDY OF TRADITIONAL MEDICINAL PLANTS USED IN LIMU BILBILO DISTRICT, ARSI ZONE, OROMIA REGIONAL STATE, ETHIOPIA

MESFIN ESHETU MEKURIA; Meseret Chimdessa (PhD; Manikandan Mathuswamy (PhD (Haramaya University, 2023)

In developing countries, the value of traditional medicinal plant species gaining popularity as it is inexpensive compared to the modern health services. Hence, the purpose of this study was to identify traditional medicinal ...
PRODUCTION OF BIOACTIVE COMPOUNDS WITH ANTIOXIDANT AND ANTIMICROBIAL POTENTIALS BY ENDOPHYTIC FUNGI FROM RED GRAPE (Vitis vinifera L.) FRUIT PEEL AND SEED

MAMANUR KORE KUBSA (HARAMAYA UNIVERSITY, 2023)

Grapes (Vitis vinifera L.) are among the most widely consumed fruits for its asociated health benefits. Endophytic fungi are groups of fungi with very specific ecosystem inside plant tissues and produces varieties of ...
MICROBIAL QUALITY OF DRINKING WATER AND HYGIENIC PRACTICES BY THE PEOPLE IN JAJA TOWN, EAST HARARGHE ZONE, OROMIA REGIONAL STATE, ETHIOPIA

JABIR ABDULLE USMAN (HARAMAYA UNIVERSITY, 2023)

Water is one of the most valuable natural resources, an essential element for life development and human activities (Romeu-Álvarez et al., 2012). The generation of recent information about both the water quality status and ...
PRODUCTION OF PECTINASE FROM BARLEY (Horedium vulgare Von.Bothmer) AND WHEAT (Triticum turgidum L.Var) HULLS

TOLOSA GUTA TUMSA; Mulugeta Desta (PhD); Zekeria Yusuf (PhD) (HARAMAYA UNIVERSITY, 2022)

Pectinase is a heterogeneous group of enzyme which hydrolyzes pectin. Fungi and actinomycetes have ability to produce a large amount of industrial enzymes. Therefore the present study was undertaken production of pectinolytic ...
THE IMPACT OF TEMPERATURE PRETREATMENT ON BIOGAS YIELD FROM SAWDUST, CO-DIGESTED WITH COW DUNG

DAWUD ADEM; Meseret Chimdessa (PhD; Manikandan Muthuswamy (PhD) (Haramaya University, 2023)

Renewable resources play a significant role in reducing carbon dioxide emissions around the world, and with this in mind, biomass and waste is a candidate to be one of the most widely utilized renewable energy resources. ...
BIOGAS YIELD FROM INVASIVE WEED (Ageratum conyzoides L.) CO-DIGESTED WITH COW MANURE UNDER ANAEROBIC CONDITION

Merihun Dadebo Woltamo; Meseret Chimdessa (PhD); Manikandan Muthuswamy (PhD) (Haramaya University, 2022-01)

Energy is one of the most important factors for human development and global economic growth. Renewable energy techniques give a great opportunity for the reduction of greenhouse gas emissions and decreasing global ...
OPTIMIZATION OF MEDIA IN INVITRO PROPAGATION OF SWEET ORANGE CULTIVARS USING WASHINGTON, VALENCIA AND TANGELO ORANGE

Fuad Abdi; Zekeria Yusuf (PhD); Yohannes Petros (PhD) (Haramaya University, 2022-05)

The present study was undertaken to investigate optimization of media in vitro propagation of sweet orange cultivar from Washington, Valencia and tanjelo orange explants. The explants were collected from three sweet ...
ASSESSMENT OF HEAVY METALS IN EDIBLE MUSCLE OF NILE TILAPIA (Oreochromis niloticus) AND CRUCIAN CARP (Carassius carassius) FROM LAKE ZIWAY

Alene, Azemeraw; Yusuf, (PhD) Zekeria; Mengistu, (PhD) Sewnet (Haramaya University, 2022-03)

Heavy metal is a general collection term applying to the group of metals and metalloids with an atomic density greater than 6g/cm3 and are mainly associated with pollution problems.The purpose of this study was to ...
EFFECT OF DILUTE SULFURIC ACID PRE-TREATMENT ON BIO-ETHANOL PRODUCTION FROM Phaseolus vulgaris DRY SEED POD USING Saccharomyces cerevisiae AS INOCULANT

Mohamed, Ramadan (Haramaya University, 2021-09)

Sustaining fossil fuel and the formation of a sizeable environment are trials maintained through the production of renewable energy as a biofuel. Bioethanol is one of the mainly important alternative sources of energy, ...
ISOLATION AND CHARACTERIZATION OF THE DOMINANT YEAST FROM INGREDIENTSOF TELLA, THE TRADITIONAL FERMENTED ALCOHOLIC BEVERAGE

Minda, Tadesse; Chimdessa, (PhD) Meseret; Muthuswamy, (PhD) Manikandan (Haramaya University, 2022-05)

Tella” is one of the important Ethiopian traditional beverages, which is prepared from different ingredients. Ingredients of tella are one of the major important sources of the isolation of dominant yeast from the local ...
ISOLATION AND CHARACTERIZATION OF THE DOMINANT YEAST FROM INGREDIENTSOF TELLA, THE TRADITIONAL FERMENTED ALCOHOLIC BEVERAGE

Minda, Tadesse; Chimdessa, (PhD) Meseret; Muthuswamy, (PhD) Manikandan (Haramaya University, 2022-05)

Tella” is one of the important Ethiopian traditional beverages, which is prepared from different ingredients. Ingredients of tella are one of the major important sources of the isolation of dominant yeast from the local ...
FUNGAL PRODUCTION OF ALKALINE PROTEASE FROM ABATTOIR AND FOOD WASTES

Teha, Obsa (MSc); kebede, Ameha (PhD); Yusuf, Zekaria (PhD) (2022-01)

Alkaline proteases are one of the classes of protease enzymes which are extensively used in detergent and tanning industries. Currently, there is an increasing demand for biocatalysts from extreme environments that are ...
BEER SLUDGE AND GOAT MANURE CO-DIGESTION UNDER ANAEROBIC CONDITION FOR BIOGAS PRODUCTION

Desalegn, Meseret (MSc); Chimdessa, Meseret (PhD); Muthuswamy, Manikandan (PhD) (2021-07)

Biogas is the methane rich gas produced by anaerobic breakdown of organic wastes with the help of methanogenic bacteria under oxygen free environment. The objective of this study was to evaluate production of biogas ...
FLORISTIC COMPOSITION, STRUCTURAL ANALYSIS AND REGENERATION STATUS OF WOODY PLANT SPECIES IN DABAL FOREST, EAST HARARGHE ZONE, OROMIA, ETHIOPIA

Sherafu, Zinab (MSc); Chimdessa, Meseret (PhD); Sasikumar, J.M. (PhD) (HARAMYA UNIVERSITY, 2020-12)

The study was conducted in Dabal forest to investigate the floristic composition, population structure and regeneration status of woody plant species (WS) in the forest. 52 nested quadrats of the size 20m × 20m, 10m x ...
SERO-PREVALENCE OF HIV INFECTION AMONG TUBERCULOSIS PATIENTS VISITING AKAKI TIRUNESH BEIJING HOSPITAL ADDIS ABABA, ETHIOPIA

Nakachew, Zelalem; Menkir, Dr, Sissay; Kebede, Dr. Ameha (Haramaya university, 2019-01)

Hospital based cross sectional study was carried out from November2018 to June 2019 in Akaki Tirunesh Beijing Hospital, Addis Abeba, Ethiopia. The objectives of this study were to determine the sero-prevalence of HIV ...
EVALUATION OF BIOGAS YIELD FROM Vernonia amygdalina (Grawa) LEAVES CO-DIGESTED WITH COW DUNG UNDER ANAEROBIC CONDITION

ABITO, NUREDIN (MSC); Chimdessa, Meseret (PhD); Muthuswamy, Manikandan (PhD) (HARAMYA UNIVERSITY, 2020-12)

Biogas is an alternative renewable energy sources and a mixture of different gases, mainly methane and carbon dioxide, resulting from anaerobic digestion of organic matter. In this study, production of biogas from ...
EVALUATION OF HEAT PRE-TREATMENT ON BIOGAS PRODUCTION FROM CORN STOVER AND GOAT MANURE UNDER ANAEROBIC CONDITION

ALEMU, NIGUSSIE(MSc); Chimdessa, Meseret (PhD); Muthuswamy, Manikandan (PhD) (HARAMYA UNIVERSITY, 2020-12)

iogas technology, which is meant to produce methane rich gas through anaerobic digestion of biological materials, is an environmentally friendly technology that decreases environmental pollution through decomposing ...
POLYPHENOLIC ANALYSIS AND ANTIOXIDANT PROPERTIES OF THE ETHIOPIAN SPICES, Foeniculum vulgare Mill. And Syzygium aromaticum (L.) Merr. & Perry

Temesgen Buli, Shibiru; J. M, Dr. Sasikumar; Chimdessa, Dr. Meseret (Haramaya university, 2020-12)

Natural products, especially those of spices origin, have always been an important source of therapeutic agents against chronic oxidative stress-related diseases. This study was aimed to analyse polyphenolic metabolites ...
EFFECT OF VARYING TOTAL SOLIDS ON THE YIELD OF BIOGAS FROM Datura stramonium LEAVES THROUGH ANAEROBIC CO DIGESTION WITH COW MANURE

HEREGO, DEGELE (MSc); Chimdessa, Meseret (PhD); Muthuswamy, Manikandan (PhD) (HARAMYA UNIVERSITY, 2020-12)

Production of biogas through anaerobic digestion of organic waste materials provides an alternative environmentally eco-friendly renewable energy. In this study, biogas production from co-digestion of cow manure (CM) ...

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