Copyright and Licensing
Commitment to open access, intellectual property, and responsible reuse
This page describes the copyright and licensing of published content. For website copyright, please see the footer of this page.
Creative Commons CC BY 4.0 License
All articles published in Periódico Tchê Química are made available under the Creative Commons Attribution 4.0 International License (CC BY 4.0) .
Embedded License: All published articles include the CC BY 4.0 licensing information in the "Disclosures" section of each PDF, ensuring full transparency about usage rights.
You MAY
- Copy and redistribute
- Adapt and transform
- Commercial use
- Create derivative works
- Translate the content
You MUST
- Give appropriate credit
- Provide a link to the license
- Indicate if changes were made
- Not imply endorsement
You MAY NOT
- Apply legal restrictions
- Revoke granted freedoms
- Use DRM or protection measures
- Omit original authorship
Authors' Rights
Authors retain copyright to their published articles without restrictions. They may:
- Reproduce and distribute freely
- Deposit in repositories without embargo
- Reuse in future works
- Share on social and academic networks
- Create derivative works
Readers' Rights
Readers have free and open access to:
- Read and download freely
- Copy and distribute
- Print for personal or commercial use
- Create links and citations
- Perform text/data mining
Legal Protection
All content is protected by:
- International copyright laws
- Brazilian copyright legislation
- International treaties
- CC BY 4.0 License
Self-Archiving Policy
Periódico Tchê Química supports self-archiving and encourages authors to deposit all versions of their work in institutional, subject, or personal repositories.
Preprint Version
What it is: Original manuscript before peer review
Policy: ✓ NO EMBARGO
Responsibility: Author deposits
Authors may deposit at any time in any repository of their choice.
Post-print Version
What it is: Manuscript accepted after peer review
Policy: ✓ NO EMBARGO
Responsibility: Author deposits
Authors may deposit immediately upon acceptance, without waiting for formal publication.
Final Published Version
What it is: Final journal PDF version
Policy: ✓ NO EMBARGO
Responsibility: Journal deposits
The journal automatically deposits in Zenodo. Authors may also deposit in their own repositories.
Important Self-Archiving Notes
- No embargo period: All versions may be deposited immediately
- Any repository: Institutional, subject-based, personal (Academia.edu, ResearchGate, etc.)
- Author responsibility: Authors are responsible for the content they deposit
- Recommendation: Always include the full citation of the journal-published version
- DOI: Always prefer the DOI link in the final published version
How to Cite Properly
APA Citation Example
Minimum Attribution Requirements
When reusing content, you must include:
- Article title – Full title of the work
- Authors – Names of all authors
- Journal – Periódico Tchê Química
- Year, Volume, and Issue – Publication details
- DOI – Persistent link (if available)
- License – "Available under CC BY 4.0" or link to https://creativecommons.org/licenses/by/4.0/
Frequently Asked Questions on Copyright
Can I use figures from articles in presentations?
Yes! You may use figures, tables, and graphs in presentations, lectures, and other materials, provided you properly cite the original article and indicate it is licensed under CC BY 4.0.
Do I need permission to translate an article?
No! The CC BY 4.0 license permits translations without prior permission. Just clearly state it is a translation of the original and provide full attribution.
Can I include excerpts in my thesis/dissertation?
Yes! You may quote, paraphrase, or reproduce full excerpts, as long as you provide proper attribution. For long verbatim reproductions (>500 words), use quotation marks or block quote formatting.
Can companies use articles commercially?
Yes! The CC BY 4.0 license allows commercial use. Companies may use articles in reports, products, services, or commercial publications, provided they give appropriate credit to the authors.
As an author, can I reuse my own article?
Yes, freely! As the author, you retain all rights to your work. You may republish, adapt, or use it in books, other publications, or any format. We recommend citing the journal-published version as the reference.
Can I modify figures or data from an article?
Yes! You may adapt, modify, or create derivative works. Importantly: clearly state that the figure was adapted or modified from the original and cite the source.
Journal Technical Information
Journal DOI
10.52571/PTQ
Print ISSN
1806-0374
Online ISSN
2179-0302
License
CC BY 4.0
Copyright Separation
Copyright of Published Articles: Belongs to authors under CC BY 4.0
Website Copyright: Belongs to Periódico Tchê Química / Araucária Scientific Association
This separation ensures that the copyright of published scientific content is distinct from the rights over the website’s design, layout, and functionality.
Questions About Copyright?
Contact us to clarify any questions about licensing, reuse, or article deposit