The abstract is a condensation of the information (facts) in the paper and should be brief(150 - 250 words), specific and self-contained including the methods of the research and the principalresults. The abstract should not include trivial experimental details, references, figures or equations.KeywordsImmediately after the abstract, provide a maximum of 6 keywords, using American spelling and avoiding general and plural terms and multiple concepts (avoid, for example, "and", "of").only abbreviations firmly established in the field may be eligible.Each heading should appear on its own separate line.1.IntroductionThis section should state the objectives of the work and provide an adequate background. It should also describe briefly the work presented in the paper. Avoid a detailed literature survey or a summary of the results.2. Material and methodsIt should provide sufficient detail to allow the work to be reproduced. Methods already published should be indicated by a reference: only relevant modifications should be described.3.ResultsResults should be clear and concise.4.DiscussionThis should explore the significance of the results of the work, not repeat them. Avoid extensive citations and discussion of published literature. A combined Results and Discussion section is often appropriate. The Results and Discussion should deals with the interpretation of the results in the light of previously published findings.5.ConclusionsIt should be kept short and must be fully supported by the results reported. The Conclusions section should include the major conclusions, the limitations of the work and the future work.AcknowledgementsArtwork• Make sure you use uniform lettering and sizing of your original artwork.• Save text in illustrations as 'graphics' or enclose the font.• Only use the following fonts in your illustrations: Arial, Courier, Times, Symbol.• Number the illustrations according to their sequence in the text.• Use a logical naming convention for your artwork files.• Provide captions to illustrations separately.• Produce images near to the desired size of the printed version.• Submit each figure as a separate file.• The figures/schemes/tables should be inserted directly where the authors want them in the text.Reference StyleAll citations in the text should refer to:1. Single author: the author's name (without initials, unless there is ambiguity) and the year ofpublication;2. Two authors: both authors' names and the year of publication;AUTHOR INFORMATION PACK 25 Jan 2017 www.elsevier.com/locate/bios 133. Three or more authors: first author's name followed by "et al." and the year of publication.Citations may be made directly (or parenthetically). Groups of references should be listed firstalphabetically, then chronologically.List: References should be arranged first alphabetically and then further sorted chronologically if necessary.