A. The title page should bear the author(s) full names and affiliation, the names of corresponding author along with phone, fax and e-mail information.  Present addresses of authors should appear as a footnote.

b.  Abstract should be informative and self -explanatory.  Should be 100-200 words in length. Abstract should be written in past tense- standard nomenclature should be used.  Abbreviation should be avoided and no literature should be cited. List of nonstandard abbreviation(s) should be added.

c. Manuscript should not exceed 15-20 pages.

d. Introduction should provide a clear statement of the problem, the relevant literature on the subject, and the proposed approach or solution.

e. Materials and methods should be complete enough to allow experiments to be reproduced, and results written in past tense should be presented with clarity and precision.

f .Results should be explained, but largely without referring to the literature.

g. Discussion should interprete findings in view of results obtained in present and past studies on the topic.

h. Conclusion should be stated in few sentences at the end of the paper.

i. Acknowledgement of people, grant and funds should be brief.

j. Manuscript should be typed in double-line spacing with microsoft word on A4 size paper using 12 font size (Times New Roman)

k. Table should be kept to a minimum, and are to be typed double line-spaced throughout inlcluding headings and footnotes.The same data should not be presented in both table and graph form or  repeated in the text.

l. Figure legend should be typed in numerical order on a separate sheet.

m. Graphics should be prepared using applications capable of generating high resolution GIf,TIFF, JPEG or Microsoft powerpoint before pasting in microsoft word manuscript file.

n. References. In the text, a reference identified by means of an author’s name should be followed by the date of the reference in parentheses.  When there are more than two authors names mentioned, it should be the first author followed by et al.  In the event that an author cited has two or more works published during the same year, the reference, both in text and in the reference list, should be identified by a lower case letter like ‚a’ and ‚b’ after the date to distinguish the works. Example: Abayomi (2000), Agindotan et al. (2003), (Kelebeni, 1983), (Usman and Smith, 1992), (Chege, 1998; Chukwura, 1987 a,b; Tijani 1993, 1995), (Kumasi et al., 2001).

References should be listed at the end of the paper in alphabetical order. Articles in preparation or articles submitted for publication, unpublished observations, personal communications date, etc, should not be included in the reference but should only be mentioned in the article text (e.g. A. Kingory, University of Nairobi, Kenya, personal communication, date). Journal names are abbreviated according to chemical abstracts.  Authors are fully responsible for the accuracy of references. Example: Chikere C. B., Omoni V. T. and Chikere B. O. (2008). Distribution of potential nosocomial pathogens in a hospital environment.  Afr. J. Biotechnol. 7: 3535-3539.
Moran G. J., Amii R.N., Abrahamian F.M., Talan D.A. (2005), Methicillin resistant staphylococcus aureus in community-acquired skin infections. Emeg. Infect. Dis.11: 928-930.
 Pelczar J.R., Harley J.P., Klein D.A. (1993) Microbiology: Concept and applications, McGraw-Hill Inc., New York, pp 591-603.