Plagiarism is the act of taking someone else's work and claiming it as one's own. Plagiarism can be in the form of writing, ideas, images, or other works. Plagiarism in journals can have an impact on career, academic future, and reputation. Plagiarism can also harm the owner of the work and damage the quality of the academic community. Plagiarism is a violation of copyright as regulated in Law Number 28 of 2014 concerning Copyright.

The way to fix plagiarism is to revise the part that is indicated as plagiarism. Revisions can be done by replacing sentences or changing the sentence structure. Here are some ways to avoid plagiarism:

1. Listing sources from the beginning of writing;
2. Creating a complete and accurate bibliography;
3. Using paraphrasing techniques;
4. Using interpretation techniques;
5. Using anti-plagiarism applications;
6. Including your own opinions in your writing;
7. Avoiding theft of ideas.

The Bioshell Journal Editorial Board  uses the Anti-Plagiarism Software "Turnitin" to check the originality of the article. Plagiarism screening policy with a maximum similarity score of 20%.