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27 July 2023
MDPI Insights: The CEO's Letter #2 - Open Peer-Review and IJERPH

Welcome to the MDPI Insights: The CEO's Letter.
In these monthly letters, I will showcase two key aspects of our work at MDPI: our commitment to empowering researchers and our determination to facilitating open scientific exchange.
Opening Thoughts
Open Peer Review Reports
Continuing the topic of openness from my inaugural monthly CEO letter, in these Opening Thoughts, I highlight the growth and importance of open peer-review reports at MDPI. Open peer reports align with the principles of open science, making the publishing process more transparent and facilitating rigorous peer review.
MDPI journals operate an open peer-review option by default, allowing authors to publish review reports and author responses (often referred to as open reports) together with the published paper. Publishing the reviewer reports and author responses together with the article provides greater transparency and trust for readers, as this allows them to track the editorial decision-making process. Open peer-review also encourages reviewers and editors to provide high-quality comments, as these will be made public if the article is accepted for publication.
Start and Growth of Open Peer Review at MDPI
The MDPI journal Life was a pioneer in offering this opportunity to its authors in 2014. The first MDPI article with peer-review reports openly published was a review by the Nobel Laureate Werner Arber, in which the review reports were published as supplementary material. By 2018, open peer-review was available across all MDPI journals. As such, MDPI authors have embraced the open peer-review model, providing a steady increase in the number of MDPI articles. As of 2023, approximately one-third (34.0%) of MDPI articles were published with open review reports.
As at July 2023, the percentage of MDPI articles published with open peer review has increased to 36.2% of the total papers published in 2023 so far, indicating ongoing growth in adoption.
Open peer review continues to play a critical role in the assessment of the peer-review process in Life. For further insights, please see the recent editorial by Dr. Pabulo Henrique Rampelotto, the former Editor-in-Chief of Life, who spearheaded the implementation of the open peer-review process.
Benefits of Open Peer Review
The benefits of open peer review include increased transparency, trust and constructive feedback. To promote open communication further and increase the robustness of the peer-review process, we encourage reviewers to sign their reports so that their name appears on the review report (this process is referred to as open identity). The default option is for reviewers to remain anonymous; however, by signing the reports, reviewers receive direct credit for their contribution to the peer-review process and show their commitment towards open science.
As the leading open access publisher, MDPI remains committed to promoting open peer-review and encourages authors to choose this approach. Our goal is to provide a rigorous and transparent peer-review process that benefits the scientific community, and we believe that open peer-review is a vital step in fostering openness and collaboration in scientific communication.
Impactful Research
MDPI Papers Cited in the News – IJERPH edition
Every month, our corporate marketing team compiles data from Altmetrics to create a list of MDPI papers that have been cited in the news. This list continues to grow as renowned news outlets regularly reference research published by MDPI in their articles.
During 2022, a total of 111,965 MDPI research papers were mentioned in prominent news outlets such as National Geographic, The Washington Post, Forbes, The Guardian, the BBC, CNN, Time, and Harvard Business Review.
Highly Cited Journal Publications
IJERPH, known for publishing impactful research, received the most news mentions among all MDPI journals in 2022, based on Altmetrics data:
- International Journal of Environmental Research and Public Health: 3509 mentions
- Nutrients: 2698 mentions
- International Journal of Molecular Sciences: 1701 mentions
- Journal of Clinical Medicine: 1131 mentions
- Viruses: 1111 mentions
These numbers show the recognition and impact of the articles published in IJERPH. For a more detailed view of the journal’s most cited and viewed papers, you can visit here. In total, IJERPH has garnered over 28,000 mentions in prominent news outlets, and as at July 2023, an impressive count of over 17,000 papers cited 10 times or more. These figures highlight the impactful contribution of IJERPH publications to the scientific community.
Example of Recent Mentions
During May and June 2023, a noteworthy selection of articles from IJERPH was cited in news articles, including:
The Washington Post: “Bringing nature inside can improve your health. Here’s how to do it.”
IJERPH paper: “Physiological Benefits of Viewing Nature: A Systematic Review of Indoor Experiments”
Harvard Business Review: “How to Take Better Breaks at Work, According to Research”
IJERPH paper: “Canine-Assisted Therapy Improves Well-Being in Nurses”
National Geographic: “Lyme disease is spreading fast—but a vaccine may be on the way”
IJERPH paper: “Range Expansion of Tick Disease Vectors in North America: Implications for Spread of Tick-Borne Disease”
Inside MDPI
MDPI Develops an Artificial Intelligence Tool to Enhance the Peer-Review Process
At MDPI, we believe that rigorous peer-review is the corner-stone of high-quality academic publishing. We are grateful to the scholars who generously dedicate their time to peer-review articles submitted to MDPI journals. Their contributions are invaluable to the advancement of science.
Peer-review is a critical part of the publication process, ensuring that MDPI upholds the highest quality standards for the papers we publish. Every manuscript submitted to our journals undergoes a comprehensive peer-review process conducted by subject-matter experts.
To further enhance our peer-review process, our Data Analytics team has developed an Artificial Intelligence (AI) tool designed to support the selection of reviewers. This proprietary tool utilizes Natural Language Processing (NLP), a specially designed AI language model, to extract information from the title and abstract of submitted papers. It then searches our database for similar manuscripts and suggests potential reviewers based on this analysis. Integrated with MDPI's submission system (SuSy), the AI tool cross-references the suggested candidates with our reviewer database to verify their invitation status and availability.
The goal of this tool is to provide better targeted peer-review invitations, reducing the number of emails sent for each paper and increasing the efficiency of our editorial staff.
In the near future, our Data Analytics team plans to deploy similar AI projects to improve other critical aspects of our services, offering an enhanced experience to our authors and readers.
Click here to learn about MDPI’s review process, including procedures, responsibilities, and benefits.
Read more:
Coming Together for Science
The Future of IJERPH
On 5 July 2023, Prof. Dr. Paul B. Tchounwou, the founding Editor-in-Chief of IJERPH, along with five Section Editors in Chief (Prof. Dr. Germán Vicente-Rodríguez, Prof. Dr. Karl Goodkin, Prof. Dr. William A. Toscano, Prof. Dr. Jimmy T. Efird, and Prof. Dr. William Douglas Evans), gathered in Basel to discuss the future of the journal. The meeting provided an opportunity to address the recent decision by The Web of Science to delist IJERPH due to the journal failing the Content Relevance criterion, and propose best strategies that will ensure high scientific rigor as well as a clear scope and aim of IJERPH, going forward.
While the delisting is disappointing for IJERPH, as well as for our authors, academic editors, and the entire scientific community supporting our journal, we see it as an opportunity to reflect and prepare for the future direction of the journal.
Since its launch in 2004, IJERPH’s vision and mission have evolved to be more complete and comprehensive in engaging scientific communities. In light of this, we will refresh the journal’s aims and scope, ensuring they align with the organic expansion of IJERPH. Additionally, we will restructure the journal sections into broader categories, encouraging collaborative research and transdisciplinary approaches for authors. This is designed to foster collaboration and knowledge exchange among diverse fields, contributing to a holistic understanding of health promotion and disease prevention. We are confident that these next steps will enhance the scientific strength and societal impact of our journal.
Journal Achievements
In addition to the productive discussions, we took the time to celebrate some of the remarkable achievements of IJERPH, which I highlight below:
- Founded by Prof. Dr. Paul B. Tchounwou in 2004
- Indexed in PubMed in 2008
- Received its first Impact Factor in 2012
- Published its 5000th paper in 2017
- Over 60,000 papers published as at June 30, 2023
- 131,628,173 paper views in 2018–2022
- Over 28,000 mentions in prominent news outlets
- 17,000 papers cited 10 times or more as at June 30, 2023
- No.1 journal in the 2022 Google Scholar Metrics in the category of Public Health
- Awarded several editions of Young Investigator Awards, Travel Awards, and Outstanding Reviewer Awards since 2018.
These achievements showcase the journal’s significant contributions to the field and its impact on global health. We are proud of the exceptional work accomplished by the IJERPH team and look forward to building upon this success in the years to come.
Closing Thoughts
MDPI’s Impact in Spain
During the past month, I had the opportunity to visit our new office building in Barcelona, where I met with our local colleagues to discuss the ways we serve the scholarly community, particularly in Spain. The multi-functional office plays a vital role in supporting various business needs, including editorial, design, conference management, data analytics, journal relationship management, publishing partnerships, and collaborations with societies.
Spain holds a significant position in MDPI’s global market, ranking as the fourth-largest contributor to the total number of papers published by MDPI as at July 2023, ranking next to Italy, the USA, and China, with Germany completing the top five.
The Numbers
Out of the 1,680,000 total MDPI articles published as at 25 July, almost 80,000 articles are contributed by Spanish authors, representing nearly 40,000 unique authors affiliated with Spanish institutions. Remarkably, over 6,300 of these authors hold editorial board member (EBM) positions within MDPI journals, with 30 of them serving as Editors-in-Chief (EiCs).
Our commitment to working with institutions is very evident in Spain, where we have successfully established over 40 Institutional Open Access Programs (IOAP) with esteemed institutions such as the University of Barcelona, the Autonomous University of Barcelona, Pompeu Fabra University, the University of Navarre, and Complutense University of Madrid.
Over the past five years, we have successfully organized eight in-person conferences in Barcelona, attracting over 1,150 registrations, with two forthcoming events scheduled for 2024. Barcelona's excellent connectivity to international airports makes it easily accessible to participants from around the world. Its welcoming atmosphere provides us with the perfect environment for knowledge-sharing, networking, and contributing to the local economy.
Our growth and presence in Spain are a true testament to the incredible service we provide to the scholarly community and the relationships we foster through responsive and collaborative communication. We look forward to continuing to support Spanish scholars, providing them a valuable and trusted experience with MDPI, the leader in open access publishing.
Testimonials
I close this letter as I did in the first edition, by sharing testimonials from our stakeholders. Here are a few IJERPH testimonials from a Spanish guest editor and an author:
Guest Editor
“I want to thank the kindness, attention and professionalism of the MDPI team throughout the editorial process of the Special Issue. I believe that it is a very professional and quality editorial process.”
- Professor Víctor Arufe-Giráldez, University of A Coruña
Special Issue in International Journal of Environmental Research and Public Health: Physical Activity in Childhood and Adolescence
Special Issue in International Journal of Environmental Research and Public Health: Physical Education: Present and Future
__
Author
“I want to thank the rigor of the revisions made to the manuscripts to improve their quality, the support to the authors for the editor assignment system they have and the follow-up they carry out, for the speed in answering and in carrying out the entire process of the revision, and for doing all this at an affordable price.”
- Dr. María Paz García-Caro, University of Granada
Article in International Journal of Environmental Research and Public Health: Factors Associated with Suicide Attempts and Suicides in the General Population of Andalusia (Spain)
Chief Executive Officer
MDPI AG
11 July 2023
MDPI’s Newly Launched Journals in June 2023
With the first issue released in June 2023, five new MDPI journals disseminating multi-disciplinary science are due to launch, which will cover the subjects of medicine & pharmacology, biology and physical sciences.
The newly launched journals will be overseen by professional Editorial Board Members and Editors to ensure an accurate and rapid publication, rigorous peer review and broad visibility.
Please feel free to browse and discover more about the new journals below.
Journal | Founding Editor-in-Chief | Journal topics (selected) |
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Prof. Dr. Jun Ma, Peking University, China| Editorial | view inaugural issue | growth and development; diet and nutrients; school health promotion policies and practices; child health and care; adolescent health and wellbeing | view journal scope | submit an article |
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Prof. Dr. Bernd Rehm, Griffith University, Australia | Editorial | view inaugural issue | DNA and gene synthesis; synthetic transcription factors; protein engineering; viral engineering; metabolic engineering | view journal scope | submit an article |
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Prof. Dr. Varsha Gandhi, University of Texas MD Anderson Cancer Center, USA | Editorial | view inaugural issue | lymphatics; cancers associated with lymphocytes and lymphoblasts; lymphatic tissues; lymphoma; lymphoid leukemia | view journal scope | submit an article |
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Dr. Bradley Turner, University of Melbourne, Australia | Editorial | view inaugural issue | multiple sclerosis; amyotrophic lateral sclerosis; primary lateral sclerosis; atherosclerosis; systemic sclerosis | view journal scope | submit an article |
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Prof. Dr. Clemens Burda, Case Western Reserve University, USA | Editorial | view inaugural issue | Gamma ray, X-ray, and UV–Vis spectroscopies; NIR/mid-infrared/Raman spectroscopy; microwave and THz spectroscopy; high-resolution gas-phase atomic, molecular, and cluster spectroscopy; MS, NMR, and EPR spectroscopy | view journal scope | submit an article |
We wish to thank everyone who has supported the development of open access publishing. You are welcome to submit an application to the New Journal Committee (newjournal-committee@mdpi.com) if you would like to create more new journals.
3 July 2023
MDPI Insights: The CEO's Letter #1 - Open Access and Impactful Research

Welcome to the MDPI Insights: The CEO's Letter.
In these monthly letters, I will showcase two key aspects of our work at MDPI: our commitment to empowering researchers and our determination to facilitating open scientific exchange.
Opening Thoughts
The Future is Open, and MDPI is Leading the Way
I strongly believe in a future that embraces openness, where open source, open information, and open access (OA) take center stage. This belief that led me to join MDPI in 2020, and I am honored to have recently been appointed as Chief Executive Officer (CEO). In this capacity, and operating in close liaison with Dr. Lin and MDPI’s senior management, I shall work to build on Dr. Lin’s achievements of the past quarter-century. In this role, I will focus on communication initiatives to promote MDPI's remarkable work and continue to build our company as a trusted leader in OA publishing. For over two decades, MDPI has been at the forefront of reshaping the academic publishing landscape, with OA surpassing subscription-based publishing in 2020. This trajectory is deeply rooted in our history and reflects our unwavering commitment and vision for an open future.
1 Million Published Articles
2023 began with a remarkable achievement for MDPI, as we became the first OA publisher to reach the milestone of 1 million published articles. This represents 2.7 million unique authors who have trusted us with their work, or about a third of all researchers worldwide. As the world's most cited OA publisher, we are proud in sharing these significant milestones.
Our mission remains unchanged: to make science open and accessible to all. We understand the importance of knowledge access, empowering researchers to stay at the forefront of a rapidly changing world. Our diverse range of journals covers a wide spectrum of disciplines, offering cutting-edge insights, trusted tools, and crucial knowledge to address global challenges.
Liberating Science
As the world’s leading OA publisher, MDPI is actively liberating science. We are committed to eliminating the frustrations researchers and the general public face when accessing information, ensuring it is not locked behind paywalls. We firmly believe that everyone has a right to information, and our commitment to open access publishing drives our work.
In this inaugural edition of Insights: The CEO's Letter, I draw inspiration from the upcoming 20th anniversary of the Berlin Declaration on Open Access. Its stated mission reminds us that true impact is achieved when knowledge is widely and readily available to society:
"Our mission of disseminating knowledge is only half complete if the information is not made widely and readily available to society”
Impactful Research
MDPI Publishes Impactful Research: Recognized by Leading Indexing Databases
MDPI journals are indexed in every single top database in the world.
As of June 2023, we have 214 journals indexed within Web of Science, 223 indexed within Scopus, 87 indexed within PubMed and PMC, and 17 indexed within MEDLINE, and these numbers increase every month. We constantly strive to expand the coverage of our journals within leading multi-disciplinary and scope-specific databases, resulting in an incredibly broad range of journals that are indexed within a variety of databases. MDPI has active relationships with approximately 65 well-known databases around the world, and we continue to expand our portfolio every year so that your work can be found, cited, and referenced with ease.
Continued Growth of MDPI Journals
The 2022 Scopus and Web of Science journal citation metrics were officially released in June, and I am pleased to report that 31 MDPI journals received their first CiteScore, taking the total number of journals with a CiteScore to 216. The number of MDPI journals receiving an Impact Factor (IF) also continues to grow with 111 receiving their first, by being covered in the ESCI, bringing our total number of journals with an IF to 208 of which 41 journals received an IF above 4.0. Looking at 2022 CiteScores in the Scopus database, 80% of MDPI journals have a score that ranks them in Q1 or Q2 in at least one subject category.
Publishing impactful science would not be possible without all of our authors, editors and reviewers. Thank you for your contribution and continued support! Together we share the latest scientific insights faster and ensure that your work is accessible to all.
Read more
Inside MDPI
Preprints.org: Clarivate adds the Preprint Citation Index to the Web of Science
At MDPI, we are dedicated to driving the advancement of science. Through our initiative, Preprints.org, researchers can publish their work and gain valuable feedback from the broader research community, ensuring rapid progress in their respective fields. This is particularly crucial during times of health and climate challenges, where timely dissemination of findings is essential.
Increased Visibility for Preprints
I am pleased to share that Clarivate recognizes the significance of preprints and has taken a crucial step to enhance their visibility. Clarivate has added the Preprint Citation Index to the Web of Science, encompassing preprints published not only on Preprints.org but also on other reputable repositories.
Looking ahead, the future of preprints appears promising, bolstered by the recent indexing announcement from the Web of Science. As a result, preprints will receive increased visibility, serving as a valuable resource for staying informed about the latest research developments.
Read more
What are Preprints?
The Pros and Cons of Preprints
Preprints and COVID-19
Preprints—The Future of Open Access Publishing?
Coming Together for Science
The First International Conference on Antioxidants: Sources, Methods, Health Benefits and Industrial Applications
In this edition of ‘Coming Together for Science,’ I am pleased to highlight the First International Conference on Antioxidants organized by our conference team in the beautiful city of Barcelona, Spain. The conference attracted over 130 attendees, who engaged in 42 talks, and 89 poster presentations spread across several sessions.
Working Together
Under the leadership of Prof. Dr. Alessandra Napolitano (Department of Chemical Sciences, University of Naples ‘Federico II’, Naples, Italy) and Prof. Dr. Rosa M. Lamuela Raventos (Department of Nutrition, Food Sciences and Gastronomy, University of Barcelona, Spain) as chairs, and supported by the committee members, 10 invited keynote speakers, poster presenters, and all the attendees, this dedicated group of academics came together to discuss the natural sources, methodologies, health benefits, and industrial applications of antioxidants.
Especially noteworthy is the positive feedback received from attendees, with 94% rating the overall organization of the conference as good or excellent. I particularly love the picture above, capturing the gathering of some of the participants. You can browse through more photos in the event gallery located here.
Managing Events With Sciforum
If you are considering hosting your own academic event, I highly recommend checking out Sciforum, MDPI's event management platform. Sciforum simplifies the entire process, making it easy to host your own event by allowing you to focus on what really matters: Science!
Read more
Closing Thoughts
Stefan Tochev, Dr. Shu-Kun Lin, Dr. Eric O. Freed, Peter Roth, Wynne Wang, Allison Yang
Viruses and Editorial Quality: Acknowledging the Dedication of our Viruses Journal Team
During a June meeting with Dr. Eric O. Freed, the founding and current Editor-in-Chief of our journal Viruses, I was reminded of the exceptional dedication of our editorial board. Meeting with Eric is a pleasure, as he has a strong commitment and clear vision for the journal. Over the course of two days, we gained a deep understanding of the journal’s expectations and focus on strategic growth, editorial board representation, and engagement.
I am pleased to share that Viruses holds a CiteScore of 7.1 (an increase of 7.57% versus the 2021 metric) and an Impact Factor of 4.7. You can view the journal statistics here. Viruses publishes highly cited papers, and is indexed in renowned databases such as Scopus, SCIE (Web of Science), PubMed, and others, and maintains affiliations with prestigious societies. Moreover, the Viruses team has recently announced an exciting upcoming event titled ‘Viruses 2024 – A World of Viruses,’ scheduled to take place in Barcelona, Spain, from 14–16 February 2024.
Testimonials
If you notice my enthusiasm regarding our editorial service, it’s because the surveys and testimonials we receive speak volumes about the experiences of our authors, reviewers, and guest editors who collaborate with MDPI. The purpose of these letters is to highlight the exceptional work that we do and the experiences we create for the scholars – thus, let me end with this testimonial from an author:
“It was a great pleasure to publish in Viruses Special Issue [Emerging Viruses in Aquaculture]. The submission process was easy. Guest editors were very helpful and provided all the guidance and support as needed. The handling of the manuscript by the Editorial Team was very fast, efficient, and professional. The reviewer’s comments were insightful, and the publication processes were remarkably rapid.”
– Ms. Magdalena Stachnik, Państwowy Instytut Weterynaryjny | PIWet
Article in Viruses: Emerging Viral Pathogens in Sturgeon Aquaculture in Poland: Focus on Herpesviruses and Mimivirus Detection
Chief Executive Officer
MDPI AG
28 June 2023
2022 Impact Factors for MDPI Journals
The 2022 citation metrics have been released in the Journal Citation Reports (JCR), and we’re pleased to announce the following results for MDPI journals:
We are thrilled to announce that 90% of our ranked MDPI journals, specifically 86 out of 96 (captured in the table below), are performing above average in Q1 or Q2. This year, Clarivate has expanded its Impact Factor (IF) awards to include journals in the Emerging Sources Citation Index (ESCI) and the Arts and Humanities Citation Index (AHCI), providing greater transparency for the full set of journals indexed in the Web of Science Core Collection. As a result, 111 of MDPI journals have received their first IF in 2023, with 37 journals surpassing an IF of 3.0. In total, 208 MDPI journals have been honored with an IF.
Clarivate explains that by "expanding the coverage but holding to highly selective standards, the [Impact Factor] is now a reliable indicator of trustworthiness, as well as a measure of scholarly impact, at the journal level."
Please visit our blog post where we discuss the release of the latest citation metrics with our Indexing Manager, Dr. Constanze Schelhorn, to find out what's different this time around and how to make use of different metrics available.
Journal | Impact Factor | Rank Quartile | Category |
Vaccines | 7.8 | Q1 | Immunology |
Medicine, Research & Experimental | |||
Antioxidants | 7.0 | Q1 | Food Science & Technology |
Biochemistry & Molecular Biology | |||
Chemistry, Medicinal | |||
Cells | 6.0 | Q2 | Cell Biology |
Nutrients | 5.9 | Q1 | Nutrition & Dietetics |
International Journal of Molecular Sciences | 5.6 | Q1 | Biochemistry & Molecular Biology |
Q2 | Chemistry, Multidisciplinary | ||
Journal of Theoretical and Applied Electronic Commerce Research | 5.6 | Q2 | Business |
Biomolecules | 5.5 | Q1 | Biochemistry & Molecular Biology |
Biosensors | 5.4 | Q1 | Chemistry, Analytical |
Instruments & Instrumentation | |||
Q2 | Nanoscience & Nanotechnology | ||
Fractal and Fractional | 5.4 | Q1 | Mathematics, Interdisciplinary Applications |
Marine Drugs | 5.4 | Q1 | Chemistry, Medicinal |
Pharmacology & Pharmacy | |||
Pharmaceutics | 5.4 | Q1 | Pharmacology & Pharmacy |
Nanomaterials | 5.3 | Q1 | Physics, Applied |
Q2 | Chemistry, Multidisciplinary | ||
Materials Science, Multidisciplinary | |||
Nanoscience & Nanotechnology | |||
Cancers | 5.2 | Q2 | Oncology |
Foods | 5.2 | Q1 | Food Science & Technology |
Polymers | 5.0 | Q1 | Polymer Science |
Remote Sensing | 5.0 | Q1 | Geosciences, Multidisciplinary |
Q2 | Remote Sensing | ||
Imaging Science & Photographic Technology | |||
Environmental Sciences | |||
Antibiotics | 4.8 | Q1 | Pharmacology & Pharmacy |
Q2 | Infectious Diseases | ||
Drones | 4.8 | Q2 | Remote Sensing |
Journal of Functional Biomaterials | 4.8 | Q2 | Engineering, Biomedical |
Materials Science, Biomaterials | |||
Biomedicines | 4.7 | Q1 | Pharmacology & Pharmacy |
Q2 | Biochemistry & Molecular Biology | ||
Medicine, Research & Experimental | |||
Journal of Fungi | 4.7 | Q2 | Mycology |
Microbiology | |||
Viruses | 4.7 | Q2 | Virology |
Bioengineering | 4.6 | Q2 | Engineering, Biomedical |
Gels | 4.6 | Q1 | Polymer Science |
Molecules | 4.6 | Q2 | Chemistry, Multidisciplinary |
Biochemistry & Molecular Biology | |||
Pharmaceuticals | 4.6 | Q2 | Pharmacology & Pharmacy |
Chemistry, Medicinal | |||
Toxics | 4.6 | Q1 | Toxicology |
Q2 | Environmental Sciences | ||
Biomimetics | 4.5 | Q1 | Engineering, Multidisciplinary |
Q2 | Materials Science, Biomaterials | ||
Microorganisms | 4.5 | Q2 | Microbiology |
Plants | 4.5 | Q1 | Plant Sciences |
Biology | 4.2 | Q2 | Biology |
Chemosensors | 4.2 | Q2 | Instruments & Instrumentation |
Chemistry, Analytical | |||
Electrochemistry | |||
Membranes | 4.2 | Q2 | Engineering, Chemical |
Materials Science, Multidisciplinary | |||
Chemistry, Physical | |||
Polymer Science | |||
Toxins | 4.2 | Q1 | Toxicology |
Q2 | Food Science & Technology | ||
Metabolites | 4.2 | Q2 | Biochemistry & Molecular Biology |
Batteries | 4.0 | Q2 | Electrochemistry |
Materials Science, Multidisciplinary | |||
Q3 | Energy & Fuels | ||
Catalysts | 3.9 | Q2 | Chemistry, Physical |
Journal of Clinical Medicine | 3.9 | Q2 | Medicine, General & Internal |
Land | 3.9 | Q2 | Environmental Studies |
Sensors | 3.9 | Q2 | Instruments & Instrumentation |
Chemistry, Analytical | |||
Engineering, Electrical & Electronic | |||
Sustainability | 3.9 | Q2 | Environmental Sciences (SCIE) |
Environmental Studies (SSCI) | |||
Q3 | Green & Sustainable Science & Technology (SCIE) | ||
Green & Sustainable Science & Technology (SSCI) | |||
Buildings | 3.8 | Q2 | Construction & Building Technology |
Engineering, Civil | |||
Agronomy | 3.7 | Q1 | Agronomy |
Q2 | Plant Sciences | ||
Fermentation | 3.7 | Q2 | Biotechnology & Applied Microbiology |
Pathogens | 3.7 | Q2 | Microbiology |
Agriculture | 3.6 | Q1 | Agronomy |
Diagnostics | 3.6 | Q2 | Medicine, General & Internal |
Genes | 3.5 | Q2 | Genetics & Heredity |
Journal of Intelligence | 3.5 | Q2 | Psychology, Multidisciplinary |
Lubricants | 3.5 | Q2 | Engineering, Mechanical |
Processes | 3.5 | Q2 | Engineering, Chemical |
Coatings | 3.4 | Q2 | Materials Science, Coatings & Films |
Physics, Applied | |||
Q3 | Materials Science, Multidisciplinary | ||
ISPRS International Journal of Geo-Information | 3.4 | Q2 | Geography, Physical |
Q3 | Computer Science, Information Systems | ||
Remote Sensing | |||
Materials | 3.4 | Q2 | Metallurgy & Metallurgical Engineering |
Physics, Applied | |||
Physics, Condensed Matter | |||
Q3 | Materials Science, Multidisciplinary | ||
Chemistry, Physical | |||
Micromachines | 3.4 | Q2 | Instruments & Instrumentation |
Physics, Applied | |||
Chemistry, Analytical | |||
Q3 | Nanoscience & Nanotechnology | ||
Water | 3.4 | Q2 | Water Resources |
Environmental Sciences | |||
Brain Sciences | 3.3 | Q3 | Neurosciences |
Energies | 3.2 | Q3 | Energy & Fuels |
Fire | 3.2 | Q1 | Forestry |
Q2 | Ecology | ||
Life | 3.2 | Q2 | Biology |
Current Issues in Molecular Biology | 3.1 | Q3 | Biochemistry & Molecular Biology |
Horticulturae | 3.1 | Q1 | Horticulture |
Animals | 3.0 | Q1 | Agriculture, Dairy & Animal Science |
Veterinary Sciences | |||
Insects | 3.0 | Q1 | Entomology |
Atmosphere | 2.9 | Q3 | Meteorology & Atmospheric Sciences |
Environmental Sciences | |||
Electronics | 2.9 | Q2 | Engineering, Electrical & Electronic |
Physics, Applied | |||
Q3 | Computer Science, Information Systems | ||
Forests | 2.9 | Q1 | Forestry |
Inorganics | 2.9 | Q2 | Chemistry, Inorganic & Nuclear |
Journal of Marine Science and Engineering | 2.9 | Q1 | Engineering, Marine |
Q2 | Oceanography | ||
Engineering, Ocean | |||
Metals | 2.9 | Q2 | Metallurgy & Metallurgical Engineering |
Q3 | Materials Science, Multidisciplinary | ||
Tropical Medicine and Infectious Disease | 2.9 | Q2 | Tropical Medicine |
Parasitology | |||
Q3 | Infectious Diseases | ||
Universe | 2.9 | Q2 | Astronomy & Astrophysics |
Physics, Particles & Fields | |||
Healthcare | 2.8 | Q2 | Health Policy & Services (SSCI) |
Q3 | Health Care Sciences & Services (SCIE) | ||
Applied Sciences | 2.7 | Q2 | Engineering, Multidisciplinary |
Physics, Applied | |||
Q3 | Chemistry, Multidisciplinary | ||
Materials Science, Multidisciplinary | |||
Crystals | 2.7 | Q2 | Crystallography |
Q3 | Materials Science, Multidisciplinary | ||
Entropy | 2.7 | Q2 | Physics, Multidisciplinary |
Magnetochemistry | 2.7 | Q2 | Chemistry, Inorganic & Nuclear |
Q3 | Chemistry, Physical | ||
Materials Science, Multidisciplinary | |||
Symmetry | 2.7 | Q2 | Multidisciplinary Sciences |
Actuators | 2.6 | Q2 | Instruments & Instrumentation |
Engineering, Mechanical | |||
Aerospace | 2.6 | Q1 | Engineering, Aerospace |
Behavioral Sciences | 2.6 | Q2 | Psychology, Multidisciplinary |
Current Oncology | 2.6 | Q3 | Oncology |
Machines | 2.6 | Q2 | Engineering, Mechanical |
Q3 | Engineering, Electrical & Electronic | ||
Medicina | 2.6 | Q3 | Medicine, General & Internal |
Separations | 2.6 | Q3 | Chemistry, Analytical |
Minerals | 2.5 | Q2 | Mining & Mineral Processing |
Mineralogy | |||
Geochemistry & Geophysics | |||
Children | 2.4 | Q2 | Pediatrics |
Diversity | 2.4 | Q2 | Biodiversity Conservation |
Q3 | Ecology | ||
Journal of Cardiovascular Development and Disease | 2.4 | Q3 | Cardiac & Cardiovascular Systems |
Mathematics | 2.4 | Q1 | Mathematics |
Photonics | 2.4 | Q3 | Optics |
Veterinary Sciences | 2.4 | Q1 | Veterinary Sciences |
Fishes | 2.3 | Q2 | Marine & Freshwater Biology |
Fisheries | |||
Axioms | 2.0 | Q2 | Mathematics, Applied |
Systems | 1.9 | Q2 | Social Sciences, Interdisciplinary |
Tomography | 1.9 | Q3 | Radiology, Nuclear Medicine & Medical Imaging |
Note: The Journal of Personalized Medicine's Impact Factor was omitted in the original release and will be assigned separately. Please find the data on the journal webpage in due course.
Source: 2022 Journal Impact Factors, Journal Citation Reports TM (Clarivate, 2023)
13 March 2023
MDPI’s Newly Launched Journals in December 2022
As a leading open access publisher, MDPI provides scholars with a high-quality and rich academic exchange platform by continuously expanding into new and exciting research areas.
In December 2022, MDPI launched five new journals, covering multiple subjects such as life sciences, biology, medicine and pharmacology, social sciences and humanities. These new journals are being edited by established scholars across the world.
Journal |
Founding Editor-in-Chief |
Journal Topics (Selected) |
Prof. Dr. Fabio Gresta, University of Messina, Italy| Editorial | view inaugural issue |
grass/forage/turf production; grassland management; pasture monitoring; grazing and livestock; grass agro-ecosystems| view journal scope | submit an article |
|
Prof. Dr. Christos G. Athanassiou, University of Thessaly, Greece| Editorial | view inaugural issue |
pesticides; fungicides; herbicides; fertilizers; soil conditioners| view journal scope | submit an article |
|
Prof. Dr. Stephen H. Safe, Texas A&M University, USA| Editorial | view inaugural issue |
receptor structure; receptor function; receptor signaling; receptor expression and regulation; receptor interactions with drugs| view journal scope | submit an article |
|
Dr. Jean Jacques Vanden Eynde, University of Mons-UMONS, Belgium| Editorial | view inaugural issue |
drug discovery; medicinal chemistry; preclinical and clinical research; marketed drugs; intellectual property and regulatory affairs| view journal scope | submit an article |
|
Prof. Dr. Heather Kanuka, University of Alberta, Canada| Editorial | view inaugural issue |
higher education; tertiary education; policy and practice in higher education; educational leadership in higher education; educational administration and management in higher education| view journal scope | submit an article |
If you are interested in creating more open access journals with us to publish cutting-edge research, please send your journal proposal application to newjournal-committee@mdpi.com.
7 March 2023
Displaying Co-Authors’ Email Addresses on the Webpage of Published Papers
MDPI is pleased to announce that we now display the co-authors’ email addresses in addition to the corresponding author’s email address on the webpage of published papers, protected by Captcha. For more information about this change, please visit the journal’s instructions for authors page.
We believe this change will facilitate academic discussions and advance our cause of open science and research. The corresponding authors are responsible for communicating with their co-authors and indicating in our system (https://susy.mdpi.com/) if co-authors would prefer for their email addresses not to be displayed.
3 March 2023
Prof. Dr. Kevin Cianfaglione Appointed Editor-in-Chief of the Journal of Zoological and Botanical Gardens
We are pleased to announce that Prof. Dr. Kevin Cianfaglione has been appointed Editor-in-Chief of the Journal of Zoological and Botanical Gardens (JZBG, ISSN: 2673-5636).
Prof. Dr. Kevin Cianfaglione is an Associate Professor and a permanent member of the Université Catholique de Lille, in the Faculty of Management, Economy and Sciences. He is a teacher and researcher in the "Ecology and Biodiversity" team, of the "Smart and Sustainable Cities" research unit. His teaching activities focus on botany, plant biology and ecology. His research activities are focused on ecology, plant sciences, landscape, biogeography, ethnobotany and conservation.
With a naturalist and biologist background, he is interested in the characteristics, potentiality and dynamics of habitats and vegetation; life traits and chemical traits; the relationship between man and nature; management of space and natural resources; traditional knowledge and new applications; and alien and native species, including typical cultivars. In his research activity, he has an overall approach to the socio-ecosystem (of natural, agro, and urban types), with environmental, but also cultural and historical values.
Very committed to teaching and research, he has had long-term cooperation with several international teams. He has published more than 90 publications in journals and 3 books. He is an editorial board member of five and editor-in-chief of three international scientific journals.
The following is a Q&A with Prof. Dr. Kevin Cianfaglione, who shared his vision for the journal with us, as well as his views of the research area and Open Access publishing:
1. What appealed to you about the journal that made you want to take the role of its Editor-in-Chief?
To be able to develop the discussion within the scientific community about cultural and scientific heritage linked to ex situ conservation and application to field ecology, sustainability, and the conservation of biodiversity and habitat restoration.
2. What is your vision for the journal?
To extend the journal’s focus beyond the traditional scopes of zoos, aquaria, and botanical gardens by including a holistic approach to the conservation of the fauna and flora of our planet, and to pay more attention to all types of bio-conservatories, that is, all types of structures hosting living and non-living specimen collections (gardens, museums, genetic banks, herbaria, nurseries, faunistic/floristic areas, etc.). We are also interested in research involving possible in situ interaction.
The conservation of biodiversity, natural resources and territorial management is based on a gradient that ranges from primary systems to secondary systems, including museums, genetic banks, herbaria, and botanical and zoological gardens (bio-conservatories, in the broadest sense).
I also aim to give more space to aspects linked to any type of bio-conservatory structure in the widest sense. More attention should also be paid to methodologies, ethics and conflict and contradiction analysis. More attention should also be paid to human resources and cultural human heritage values; we will focus on the environment, biodiversity (Taxa from all living organisms’ kingdoms and their assemblages), conservation (from active to passive management), biology, agronomy, veterinary, paleontology, biogeography, anthropology, humanities and social sciences (including soil uses, traditional knowledge, the perception of territory and biodiversity and land-use conflicts), pharmacology, biochemistry, horticulture, arboriculture, forestry, architecture, engineering and history.
Therefore, we will pay more attention to places (institutions) as well as personalities who have distinguished themselves in the study and evolution of bio-conservatories, natural sciences, life sciences and environmental sciences. Greater focus is also intended to be placed on social, cultural and historical aspects, as well as on problems, methods, technologies and new proposals for the management of sets of specimens (collections), with the consideration of ethical and deontological issues regarding the health, well-being and dignity of living organisms.
3. What developments in your field of expertise excite you at this time?
The development and improvement of new strategies and methods for conservation and restoration, the development and improvement of definition and methods, valorization of traditional knowledge and new uses/applications, and the study and the conception of ecology and conservation (of species and ecosystems) in a dynamic way.
4. What do you think of the development of Open Access in the publishing field?
The development of Open Access in the publishing field is certainly a revolution in the scientific world, like so many that have occurred previously (indexing, impact factor, online publication, etc). Like all revolutions, it brings a series of constraints and changes that can bring advantages and disadvantages, likes and dislikes, upsetting the former balance in some way. Open Access certainly has the advantage of making journal content more accessible to a wider audience.
Concomitant with the expansion of Open Access, many new journals have sprung up, many articles have been published, and there has been much more competition between journals, to the point where many have switched to Open Access, and new journals and new publishers could appear or begin to establish themselves.
This competition and the expansion of journals have also allowed for further democratization of science as this has helped scientists, especially younger ones, to become more involved in the world of journals, article reviews, and editorial boards. This has led to non-mainstream ideas and gives the opportunity to find more place in the world, in better and in worse ways.
This has made publications less sectarian and less elitist, but on the other hand, there have been various negative consequences which should not be underestimated but which must be taken seriously and on which we need to work to improve. Among them, it should be remembered that this can cause limitations, such as enormous costs, to be faced by the authors when publishing.
The expansion of participation in the possibilities for publishing and the growing democratization of decision-making processes has also led to a chronic lack of competent personnel who now seem to be no longer sufficient to be able to follow the revision and review processes as effectively as possible.
Finally, these problems are also indirectly linked to other equally important problems, such as the fact that it is strange that in science authors are not paid to publish nor to conduct manuscript reviews for colleagues, and the fact that we have to pay to write manuscripts is so strange that it can cause bewilderment.
Another problem is linked to the problem of evaluating the quality of journals and people, to those mathematical indices which can cause the anger and delight of scientists. If those indices should be circumvented in some way, tamed, or used in bad faith, they finally show their limits, giving a reason to those scientists who are very critical of this method of evaluating journal and scientist quality.
These critical points often generate outrage. This is very understandable, but it is not with indignation that things can be improved, but with proposals. Today I do not understand what the alternative proposals are that can solve these problems, while also being able to guarantee the advantages that this Open Access revolution could directly and indirectly cause. I sincerely hope that the discussion will soon lead to new proposals and solutions.
In my opinion, a journal should always be committed to rejecting as few of the proposed articles as possible, being able to guide the authors to find the best solutions to reach the publication when needed. An ideal journal would therefore be one that rejects zero articles, publishing excellent articles of wide interest and excellent quality. Additionally, to achieve this we need good journals and good authors.
To be developed, science often needs disciplines that are able to tap into other disciplines. The new systems, the proposals and the new solutions studied should always pay attention to this and promote (or at least not hinder) interdisciplinarity, as has often happened in the past and still happens today—promoting the increase (or at least not favoring the decrease) of the logical analysis and a broad cultural background.
I often have the impression that a journal that rejects a lot of proposed manuscripts can be considered with greater respect and prestige than a journal that tends to reject as little as possible. Additionally, it does not matter if the rejected items can be of interest or good quality. Now we must ask ourselves whether it is better to refuse high-quality articles giving as little space for expression as possible, or whether it is better instead to try to give as much space as possible. In both cases, there may be limits and advantages, and therefore an answer is not simple unless it is mediated by ideologies and opportunism.
In my opinion, rejecting articles too excessively can lead to equally unpleasant drifts, such as selection not based merely on the merits of the articles (as is often communicated), but influenced due to the reasons of other opportunities for the journals, which does not lead to equity or other, better ethical values.
I do not know, and I believe that there is not yet a perfect way to evaluate journals and scientists. Every solution tested and implemented so far has always shown a long series of advantages and disadvantages. Additionally, we will have to treasure these experiences to avoid going backward or making things worse.
We must try to encourage the discussion on these issues without them turning into wars of defending different prerogatives, always bearing in mind that we can increasingly improve the democratization and equity of these tools, together with the quality of products and services, especially of our texts published.
We warmly welcome our new Editor-in-Chief and wish the journal every success in the future.
16 February 2023
Increasing Visibility for Preprints.org – Clarivate adds the Preprint Citation Index to the Web of Science

On 9 February 2023, Clarivate, a global leader in providing trusted insights and analytics, added the Preprint Citation Index to the Web of Science platform, streamlining the research process by allowing researchers to locate and link to preprints alongside other trusted content in the database.
The Preprint Citation Index will act as a bridge to connect cutting-edge preprints with peer-reviewed journal articles published within the Web of Science Core Collection. Alerts can be easily set to monitor new research across several repositories and authors will also be able to include preprints on their Web of Science Research Profile to more accurately display their various research outputs.
As of its launch, the Preprint Citation Index will provide nearly two million preprints from various repositories, including MDPI’s own Preprints.org.
MDPI's Preprints Platform – Preprints.org
To advance Open Science and the fast dissemination of research, MDPI offers researchers a free multidisciplinary preprint platform. Preprints.org accepts submissions from all research areas and offers authors high visibility, permanent archiving, article-level Metrics and immediately citable content by assigning a Digital Object Identifier (DOI) to all preprints.
During submission to any MDPI journal, authors have the option to share their research as a preprint. After an initial screening, the manuscript is available online in 48 hours or less. Once online, preprints can be downloaded, shared, commented on, and cited, providing authors maximum visibility.
We invite you to join the ranks of the over 100k researchers using Preprints.org and share your research.
For more information, please visit Preprints.org.
22 December 2022
Special Issue Mentor Program
We are pleased to announce the launch of a new initiative—the MDPI Special Issue Mentor Program.
This program will enable early career researchers (who must hold a Ph.D. in a related field) to experience editing a Special Issue in MDPI journals, under the mentorship of our experienced Editorial Board Members or other experienced scientists. The mentor program will provide an excellent opportunity for early career scientists to gain editorial experience, and to cultivate their ability to edit scientific research.
The mentee’s responsibilities include:
- Proposing a Special Issue title and assisting the mentor in preparing a summary (around 200–400 words) and 3–10 keywords describing the background, importance, and goal of the Issue;
- Writing a brief promotion plan for the Special Issue;
- Preparing a list of scholars who may be interested in the Issue and personally e-mailing invitations on behalf of Guest Editors;
- Writing an editorial for the online Special Issue together with the mentor.
The mentor’s responsibilities include:
- Conducting a final check before the Special Issue is published online;
- Performing editorial control of the Special Issue and quality control of the publications, both of which must be carried out in a timely manner;
- Providing suggestions to younger scholars if they have any doubts or concerns regarding submissions;
- Organizing video calls with young scholars and the Editorial Office regularly to discuss problems and improvement suggestions for the Special Issue;
- Making and submitting decisions regarding submissions with the assistance of mentees.
Certificates and awards:
After the Special Issue closes, the Editorial Office will provide official certificates for all the mentors and early career researchers.
If you are interested in this opportunity, please send your Special Issue proposal to the Editorial Office of a journal you choose, and we will discuss the process (i.e., mentor collaboration, Special Issue topic feasibility analysis, etc.) in further detail. The full list of MDPI journals is as follows: https://www.mdpi.com/about/journals.
In addition to the new Special Issue Mentor Program, we will continue to welcome all Special Issue proposals focusing on hot research topics.
14 December 2022
"Thanks a Million!" – One Million Articles Published in MDPI Journals
MDPI has just become the first open access (OA) publisher to reach the milestone of one million articles published. That is one million articles freely available to all, to circulate and build upon! We are proud to share this special moment with the global scientific community.
This landmark has been reached thanks to the immeasurable support of more than 600,000 expert reviewers, 66,000 editorial board members and 6700 hard-working colleagues across MDPI’s global offices.
Within more than 25 years of publishing, our journals received 2.1 million manuscripts and generated 4.6 million peer review reports to get to one million papers published.
Reaching the milestone of one million articles published reinforces our mission to remove any existing barriers and to make scientific research accessible to all. Since its inception, MDPI’s goal has been to create reliable processes to make science open. This is a path towards facilitating the dissemination of novel insights in scientific communities.
Regular feedback from authors and reviewers shows that our service is greatly appreciated and needed. At the same time, the feedback helps us identify areas for further improvement.
As it stands, a significant share of published research findings remain closed access. More than half of the content published with the most well-known legacy publishers stays behind a paywall, and that is not including articles published in hybrid OA journals, or made available months or years after publication.
A new policy announced by the US administration in August 2022 requires that, as of January 2026, all US federally funded research be made freely and immediately available after publication. While the new policy does not mandate articles be published under an open access license, it is aligned with the open access movement in removing all barriers to research. Similarly, some of the most advanced research institutions in the world intend to have all funded research articles published in open access by 2025.
MDPI is proud to be the leading agent of the transition to open access.
"Thanks a Million" to all the contributors!