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Science Journal

 

Report and Opinion

(Rep Opinion)

ISSN 1553-9873 (print); ISSN 2375-7205 (online), doi prefix: 10.7537, Monthly

Volume 17 - Issue 5, Cumulated 191, 25, 2025

Cover (pdf), Cover, Introduction, Contents, Call for Papers

 

The following manuscripts are presented as online first for peer-review, starting from April 25, 2025. 
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CONTENTS  

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Review On The Animal Trypanosomosis

 

Asmamaw Aki

 

Assosa, Regional Veterinary Diagnostic, Surveillance, Monitoring and Study Laboratory, P.O. Box 326, Assosa, Ethiopia; asmamawaki@gmail.com, phone: +251- 902330029

 

Summary: Trypanosomosis is a haemoprotozoan disease, mostly transmitted by the tsetse fly (Glossina spp.), which cause severe disease in humans and livestock in Sub-Saharan Africa (SAA). The disease results in loss of livestock and agricultural productivity with serious socio-economic consequences. Six species of trypanosomes are recorded in Ethiopia and the most important trypanosomes in terms of economic loss are the tsetse transmitted species: Trypanosome congolense, Trypanosome vivax and T. b. brucei.  The pathogenesis of trypanosomosis depends on the pathogenicity of the strain; the host breed, genotype, age, sex, skin type etc. Besides, clinical diagnosis, parasitological, serological and molecular methods with varying degrees of sensitivity and specificity are available for the diagnosis trypanosomosis.  Animal Trypanosomosis could be treated by antitrypanosomal drugs.  Animal trypanosomosis can be controlled by early treatment of infected animal and vector control.  Thus, it is recommended that an appropriate use of antiprotozoal drugs, integrated prevention and control program should be implemented to reduce the impact of trypanosomosis.

[Asmamaw Aki. Review On The Animal Trypanosomosis. Rep Opinion 2025;17(5):1-12]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 01. doi:10.7537/marsroj170525.01

 

Key words: Animal; Trypanosomosis; Tsetse fly

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Electron Affinity Of Metals And Strain

 

Ewumi T. O.  Adesakin G. E.+ Famutimi O. F, Ayoola Olayinka Temitayo and Olawoore Samuel Adedapo

 

Department of Physics, Ekiti State University, Ado-Ekiti, Nigeria

E-mail of corresponding author:  adesakingbenga@gmail.com

 

Abstract: In the present paper we theoretically review the dependence of electron affinity of metals on electron density profile and strain using electron approximation theory. Result obtained revealed that electron affinity of metals increases as the electron density parameter increases. This increase may be due to change in atomic radius, nuclear charge and electronic configuration of electrons in the metals. The result obtained for electron affinity in this work is negative. This can be due to the fact that electron affinity is the energy released when electron binds to an atom and can also be due to the fact that electron affinity is the quantitative measurement of energy change that results from adding a new electron to a neutral atom. There is a good agreement between the computed and ab-initio value of electron affinity of metals. In this work, electron affinity of metals rises as strain increases. This increase is caused by change in band structure and energy levels of electrons in the metals. The increase in the electron affinity of metals as strain increases could be due to the contact energy barrier between the electrons in metals that reduces is as the strain increases.

[Ewumi T. O., Adesakin G. E., Famutimi O. F, Ayoola Olayinka Temitayo, Olawoore Samuel Adedapo. Electron Affinity Of Metals And Strain. Rep Opinion 2025;17(5):13-20]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 02. doi:10.7537/marsroj170525.02

 

Keywords: Electron Affinity; strain; Electronic configuration; Band structure; atomic radius

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