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Browsing College of Natural and Computational Science by Issue Date

Browsing College of Natural and Computational Science by Issue Date

Now showing items 1-20 of 62

: Vegetation structure and regeneration status of the moist, evergreen, afromontane Bore Anferara–Wadera forest in southern Ethiopia

Mesfin, Woldearegay; Zerihun, Woldu (https://link.springer.com/, 2019-02-15)

In a survey of the Bore–Anferara–Wadera forest to study the vegetation structure and regeneration status of woody plant species, 112 quadrats were systematically sampled along altitudinal transects to collect vegetation ...
Tulsi (Ocimum sanctum) – a myriad medicinal plant, secrets behind the innumerable benefits

Paramesh, Hanumanthaiah; Hazaratali, Panari; Abreham, Chebte; Abeba, Haile; Girum, Belachew. (https://revues.imist.ma/index.php/AJMAP/article/view/20401/0, 2020-02)

Tulsi (Ocimum sanctum) is an omnipresent, multipurpose plant and regarded as holy plant in Hindu religion finds place in front of every Hindu household. This herb is a member of Lamiaceae family, well known for its spiritual, ...
Bio-mediated synthesis of ZnO nanostructures from Thymus Schimperi leaves extract and its antibacterial and photocatalytic activities

Asratemedhin, B. Habtemariam; Assefu, K. Sibhatu,; Getu, K. Weldegebrieal; Osman, A. Zelekew (https://nanobioletters.com/, 2020-02-02)

In this work, zinc oxide nanostructures were synthesized from thymus schimperi leaves extract and ZnSO4.7H2O precursor, and antibacterial and photocatalytic activities were studied. The as synthesized nanostructures were ...
The Role of Medicinal Plants in Traditional Medicine in Adwa District, Tigray, Northern Ethiopia

Temesgen, Assefa; Netsanet, Nigussie; Destaw, Mullualem; Gebiru, Sinshaw; Yeshaneh, Adimasu (https://journalaprj.com/index.php/APRJ/index, 2020-02-24)

In Ethiopia, medicinal plants had been used since ancient time and became an important source of health care. Though majority of the people in the study area depend on ethnomedicine to manage different ailments, the ...
Climate change impacts on the distribution and phenology of plants: A review

Mesfin, Woldearegay (TROPICAL PLANT RESEARCH The Journal of the Society for Tropical Plant Research, 2020-04-12)

This paper reviews about the impacts of climate change on plant distribution and phenology. The existence of climate change is confirmed by various evidences from different sources that can be used to reconstruct past ...
Diversity, relative abundance, and habitat association of avian species in Tara Gedam Monastery forest and adjacent habitats, Northwestern Ethiopia.

Endihnew, Tessfa; Dessalegn, Ejigu; Gezahegn, Degife; Nega, Tassie. (https://www.ajol.info/index.php/ejst/index, 2020-04-30)

Birds are important bio-indicators and provide various ecosystem services including pollination, dispersal, and pest control. However, they are threatened by habitat loss, fragmentation, and degradation. Study on species ...
Abundance, Diversity, and Distribution of Primates at Welel Mountain, Kellem Wollega Zone, Oromia Region, Ethiopia

Diriba, Fufa; Dereje, Yazezew; Gezahegn, Degefe; Sibhatu, Gebrehiwot (https://www.hindawi.com/journals/tswj/, 2020-05-11)

Primates are the mammals of the order Primate that is characterized by advanced development of binocular vision and enlargement of the cerebral hemispheres. The aim of this study was to investigate the abundance, ...
Unexpected formation of oxygen-free products and nitrous acid from the ozonolysis of the neonicotinoid nitenpyram

Weihong, Wanga,; Michael, J. Ezella; Pascale, S. J. Lakeya; Kifle, Z. Aregahegnb,; Manabu, Shiraiwaa; Barbara, .J Finlayson-Pittsa (https://www.pnas.org/, 2020-05-11)

The neonicotinoid nitenpyram (NPM) is a multifunctional nitroenamine [(R1N)(R2N)C=CHNO2] pesticide. As a nitroalkene, it is structurally similar to other emerging contaminants such as the pharmaceuticals ranitidine and ...
Chromium (III) Oxide Nanostructures Synthesized from Vernonia Amygdalina Leaves Extract

Asratemedhin, Bekele Habtemariam; Ashenafi, K. Kereta (Letters in Applied NanoBioScienceOpen-Access Journal (ISSN: 2284-6808, 2020-05-28)

This contribution reports first time synthesis of Cr2O3 nanostructures from chromium (III) chloride hexahydrate precursor using Vernonia amygdalina leaves extract as a reducing and stabilizing agent. Powder X-ray ...
In vitro antimicrobial activity of six Ethiopian medicinal plants against Staphylococcus aureus, Escherichia coli and Candida albicans.

Gishen, Nigus Zegeye; Solomon, Taddese; Tizazu, Zenebe; Kassahun, Dires; Abebe, Tedla; Berhan, Mengiste; Demissew, Shenkute; Alemnesh, Tesema,; Yoseph, Shiferaw; Ermias, Lulekal. (https://www.sciencedirect.com/, 2020-06)

Introduction: Traditional herbal medicines are attracting significant attention in global health debates with various traditional herbal remedies being used as the basis for modern medicines. The aim of this research ...
Synthesis of Green Copper Nanoparticles Using Medicinal Plant Hagenia abyssinica (Brace) JF. Gmel. Leaf Extract: Antimicrobial Properties

: H. C., Ananda Murthy; Tegene, Desalegn; Mebratu, Kassa; Buzuayehu, Abebe; Temesgen, Assefa (https://www.hindawi.com/journals/jnm/, 2020-06-01)

Indigenous medicinal plant of Ethiopia has been applied for the first time to investigate the synergistic influence of phytoconstituents in green copper nanoparticles (g-Cu NPs) towards the enhancement of antimicrobial ...
A feasible linker transformation strategy towards the formation of Cu2O nanoparticles for immobilization in hierarchical CuBTC for adsorption desulfurization

Feng, Tao;; Wang, Ying;; Wu, Yi-nan; Kabtamu, Daniel Manaye; L´aszl´o, Krisztina; Li, Fengting (https://pubs.rsc.org/en/journals/journal/ta, 2020-06-08)

Hierarchical porosity and the exposure of sufficient active sites are primary features for robust frameworks designed towards efficient adsorption, especially that of large molecules. Herein, we have introduced a ...
Application of Milk-Clotting Protease from Aspergillus oryzae DRDFS13 MN726447 and Bacillus subtilis SMDFS 2B MN715837 for Danbo Cheese Production.

Jermen, Mamo; Paulos, Getachew; Mbugua, Samuel Kuria; Fassil, Assefa. (https://www.hindawi.com/journals/jfq/, 2020-06-10)

This study aimed to investigate the efficiency, biochemical composition, and sensory quality of Danbo cheese produced using proteases derived from the fungus and bacterium compared to the commercial product. A fungal ...
Facile Upcycling of Hazardous Cr-Containing Electroplating Sludge into Value-Added Metal−Organic Frameworks for Efficient Adsorptive Desulfurization

Kabtamu, Daniel Manaye; Wu, Yi-nan; Chen, Qian; Zheng, Lu; Otake, Ken-ichi; Matovi, jiljana; Li, Fengting (https://pubs.acs.org/, 2020-06-29)

The recycling of heavy metals from solid wastes and transforming these metals into useful materials such as metal oxides nanocomposites and metal−organic frameworks (MOFs) are beneficial for both sustainable development ...
Woody Species Diversity, Vegetation Structure, and Regeneration Status of the Moist Afromontane Forest of Agama in Southwestern Ethiopia

Abyot, Dibaba; Teshome, Soromessa; Alemayehu, Kefalew; Admassu, Addi (https://www.hindawi.com/, 2020-06-30)

This study was conducted in Agama Forest in Kafa Zone, Southwestern Ethiopia, to assess species diversity, vegetation structure, and regeneration status of woody species. A systematic sampling technique was employed ...
Trends in the Magnitude of Urolithiasis Surgery in Ethiopia: A 13-years Retrospective Data from St. Paulos Referral Hospital.

Tilahun, Alelign; Asfaw, Debella; Beyene, Petros. (https://www.emjema.org/index.php/EMJ/index, 2020-07-14)

Introduction: Recent studies have reported an increasing occurrence of urolithiasis worldwide. However, studies that evaluate the occurrence of stone diseases in Ethiopia are scarce. Objective: This study was intended ...
Activity Budget and Feeding Ecology of Geladas (Theropithecus gelada obscurus) around Abogedam Church West of Debre Berhan Town, Ethiopia

: Dereje, Yazezew; Afework, Bekele; Hussein, Ibrahim (https://www.hindawi.com/journals/tswj/, 2020-09-01)

Geladas are the most distinctive of Ethiopian endemic mammals, representing the last extant species of primate genus that have a very restricted distribution in the northern Ethiopian plateau. The activity budget and ...
Coexistence between human and wildlife: the nature, causes and mitigations of human wildlife conflict around Bale Mountains National Park, Southeast Ethiopia

Sefi, Mekonen (https://bmcecol.biomedcentral.com/, 2020-09-14)

Human–wildlife conflict occurs when the needs and behavior of wildlife impact negatively on humans or when humans negatively affect the needs of wildlife. To explore the nature, causes and mitigations of human wildlife ...
Effect of Etchant Concentration on the Optical Properties and Surface Topography of MoO3 Selective Solar Absorber Thin Films

R., Akoba; G., G. Welegergs; M., Luleka,; J., Sackey; N., Nauman; B., M. Mothudi; Z., Y. Nuru; M., Maaza (https://link.springer.com/, 2020-09-17)

A novel technique providing a cost effective sustainable wet chemical etching method of synthesizing black Moly thin films rapidly has been presented. A top- down method for fabricating MoO3 has been investigated to ...
Little Akaki River sediment enrichment with heavy metals, pollution load and potential ecological risks in downstream, Central Ethiopia

Deshu, Mamo Mekuri; Alemnew, Berhanu Kassegne; Seyoum, Leta Asfaw (https://www.springeropen.com/, 2020-09-25)

Addis Ababa City’s river ecosystem is under extreme pressure as a result of inappropriate practices of dumping domestic and industrial wastes; thus, threatening its ability to maintain basic ecological, social and ...

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