Biogas production is one of the technologies that can overcome the problems related to
energy Crisis. Therefore, this research was conducted to investigate the biogas production
potential of Xanthium strumarium leaves ...
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 ...
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 ...
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 ...
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 ...
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 ...
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. ...
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 ...
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 ...
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 ...
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, ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...