Announcements

1. “The Effect of the Stationary Phase on Resolution in the HPLC-Based Separation of Racemic Mixtures Using Vancomycin as a Chiral Selector: A Case Study with Profen Nonsteroidal Anti-Inflammatory Drugs”
by Dehbiya Gherdaoui, Madiha Melha Yahoum, Selma Toumi, Hichem Tahraoui, Fatma Bouazza, Sonia Lefnaoui, Abdelhamid Zeghdaoui, Abdeltif Amrane, Bassem Jaouadi and Jie Zhang
Symmetry 2023, 15(12), 2154; https://doi.org/10.3390/sym15122154
Available online: https://www.mdpi.com/2073-8994/15/12/2154

 2. “Synthesis of Axially Chiral Boron Compounds”
by Ana Maria Faisca Phillips and Armando J. L. Pombeiro
Symmetry 2024, 16(1), 11; https://doi.org/10.3390/sym16010011
Available online: https://www.mdpi.com/2073-8994/16/1/11

3. “Chiral Separation of Vildagliptin by Capillary Electrophoresis—The Study of Enantiomeric Complexation”
by Lajos Attila Papp, Gabriel Hancu, Zoltán István Szabó, Blanka Székely-Szentmiklósi, Tamás Gáti, Béla Fiser, Márta Kraszni and Gergő Tóth
Symmetry 2024, 16(1), 17; https://doi.org/10.3390/sym16010017
Available online: https://www.mdpi.com/2073-8994/16/1/17

 4. “Stereoselectivity in Butadiene Polymerization Promoted by Using Ziegler–Natta Catalysts Based on (Anilidomethyl)pyridine Group (IV) Complexes”
by Stefano Milione and Stefania Pragliola
Symmetry 2024, 16(1), 18; https://doi.org/10.3390/sym16010018
Available online: https://www.mdpi.com/2073-8994/16/1/18

1. “Evaluation of Thermodynamic Parameters for Cu(II) Ions Biosorption on Algae Biomass and Derived Biochars”
by Alina Alexandra Ciobanu, Dumitru Bulgariu, Ioana Alexandra Ionescu, Diana Maria Puiu, Gabriela Geanina Vasile and Laura Bulgariu
Symmetry 2023, 15(8), 1500; https://doi.org/10.3390/sym15081500
Available: https://www.mdpi.com/2073-8994/15/8/1500

2. “An Innovative Design Approach for Resonant DC/AC Converters, Based on Symmetry in Their Operating Modes”
by Nikolay Hinov
Symmetry 2023, 15(10), 1864; https://doi.org/10.3390/sym15101864
Available: https://www.mdpi.com/2073-8994/15/10/1864

3. “Deep Learning-Based Cross-Layer Power Allocation for Downlink Cell-Free Massive Multiple-Input–Multiple-Output Video Communication Systems”
by Wen-Yen Lin, Tin-Hao Chang and Shu-Ming Tseng
Symmetry 2023, 15(11), 1968; https://doi.org/10.3390/sym15111968
Available: https://www.mdpi.com/2073-8994/15/11/1968

4. “A Review of Uncertainty-Based Multidisciplinary Design Optimization Methods Based on Intelligent Strategies”
by Chong Wang, Haoran Fan and Xin Qiang
Symmetry 2023, 15(10), 1875; https://doi.org/10.3390/sym15101875
Available: https://www.mdpi.com/2073-8994/15/10/1875

5. “Research on Optimal Scheduling Strategy of Microgrid Considering Electric Vehicle Access”
by Zhimin Wu, Yang Zou, Feng Zheng and Ning Liang
Symmetry 2023, 15(11), 1993; https://doi.org/10.3390/sym15111993
Available: https://www.mdpi.com/2073-8994/15/11/1993

6. “Chemical Composition Optimization of Biocompatible Non-Equiatomic High-Entropy Alloys Using Machine Learning and First-Principles Calculations”
by Gengzhu Zhou, Zili Zhang, Renyao Feng, Wenjie Zhao, Shenyou Peng, Jia Li, Feifei Fan and Qihong Fang
Symmetry 2023, 15(11), 2029; https://doi.org/10.3390/sym15112029
Available: https://www.mdpi.com/2073-8994/15/11/2029

7. “Challenges of Engineering Applications of Descriptive Geometry”
by Zsuzsa Balajti
Symmetry 2024, 16(1), 50; https://doi.org/10.3390/sym16010050
Available: https://www.mdpi.com/2073-8994/16/1/50

8. “An Iterative Wiener Filter Based on a Fourth-Order Tensor Decomposition”
by Jacob Benest, Constantin Paleologu and Laura-Maria Dogariu
Symmetry 2023, 15(8), 1560; https://doi.org/10.3390/sym15081560
Available: https://www.mdpi.com/2073-8994/15/8/1560

9. “Symmetry-Breaking-Induced Internal Mixing Enhancement of Droplet Collision”
by Yupeng Leng, Chengming He, Qian Wang, Zhixia He, Nigel Simms and Peng Zhang
Symmetry 2024, 16(1), 47; https://doi.org/10.3390/sym16010047
Available: https://www.mdpi.com/2073-8994/16/1/47

MDPI is pleased to announce the inclusion of 237 journals in the 2024 release of the Journal Citation Reports (JCR) and share the key results (see above).

This year, journals covered in the Emerging Sources Citation Index (ESCI) received category ranks together with journals in the Science Citation Index Expanded (SCIE) and Social Sciences Citation Index (SSCI). Overall, 139 MDPI journals indexed in ESCI are included in the new unified rankings for the first time.

Enhanced Comparability of Data

According to Clarivate, "the creation of unified category rankings [provides] a simpler and more complete category view for the evaluation of journal performance. [...] The category-first approach simplifies journal performance assessment with a holistic view of all journals in each subject category."

We are thrilled to announce that 72% of our ranked MDPI journals (171 of 237) are above average, in Q1 or Q2. Twenty-nine of our journals received their first Impact Factor this year, accounting for more than 5% of the journals accepted into the Web of Science last year.

MDPI Journals Ranked in JCR

The following data includes all MDPI journals indexed in SCIE, SSCI, ESCI and AHCI.

Source: 2023 Journal Impact Factors, Journal Citation Reports ^TM (Clarivate, 2024)

About MDPI

A pioneer in scholarly, open access publishing, MDPI has supported academic communities since 1996. MDPI is leading the transition to open science by making more research free and accessible to everyone. Over 3.5 million researchers have entrusted MDPI with publishing their scientific discoveries. MDPI’s editorial process is bolstered by a network of dedicated reviewers, a team of 6000 professional, well-trained staff members, and an in-house article submission platform that was designed to ensure efficient processes within its 440 fully open access titles.

1. “Tetraquarks and Pentaquarks from Quark Model Perspective”
by Hongxia Huang, Chengrong Deng, Xuejie Liu, Yue Tan and Jialun Ping
Symmetry 2023, 15(7), 1298; https://doi.org/10.3390/sym15071298
Available online: https://www.mdpi.com/2073-8994/15/7/1298

2. “Numerical Investigation of Cavitation Bubble Jet Dynamics near a Spherical Particle”
by Jinsen Hu, Yuhang Liu, Yifan Liu, Jingfei Duan, Xuan Lu, Xiaoxiao Zheng, Jiaxin Yu, Yuning Zhang and Yuning Zhang
Symmetry 2023, 15(9), 1655; https://doi.org/10.3390/sym15091655
Available online: https://www.mdpi.com/2073-8994/15/9/1655

3. “Dynamical Chiral Symmetry Breaking in Quantum Chromo Dynamics: Delicate and Intricate”
by Reinhard Alkofer
Symmetry 2023, 15(9), 1787; https://doi.org/10.3390/sym15091787
Available online: https://www.mdpi.com/2073-8994/15/9/1787

4. “The Noether Symmetry Approach: Foundation and Applications: The Case of Scalar-Tensor Gauss–Bonnet Gravity”
by Francesco Bajardi, Salvatore Capozziello, Tiziana Di Salvo and Francesca Spinnato
Symmetry 2023, 15(9), 1625; https://doi.org/10.3390/sym15091625
Available online: https://www.mdpi.com/2073-8994/15/9/1625

5. “Accretion/Ejection Phenomena and Emission-Line Profile (A)symmetries in Type-1 Active Galactic Nuclei”
by Paola Marziani
Symmetry 2023, 15(10), 1859; https://doi.org/10.3390/sym15101859
Available online: https://www.mdpi.com/2073-8994/15/10/1859

6. “Large-Scale Asymmetry in the Distribution of Galaxy Spin Directions—Analysis and Reproduction”
by Lior Shamir
Symmetry 2023, 15(9), 1704; https://doi.org/10.3390/sym15091704
Available online: https://www.mdpi.com/2073-8994/15/9/1704

7. “Quantum Mechanics of the Extended Snyder Model”
by Stjepan Meljanac and Salvatore Mignemi
Symmetry 2023, 15(7), 1373; https://doi.org/10.3390/sym15071373
Available online: https://www.mdpi.com/2073-8994/15/7/1373

1. “Spontaneous Symmetry Breaking in Systems Obeying the Dynamics of On–Off Intermittency and Presenting Bimodal Amplitude Distributions”
by Stelios M. Potirakis, Pericles Papadopoulos, Niki-Lina Matiadou, Michael P. Hanias, Stavros G. Stavrinides, Georgios Balasis and Yiannis Contoyiannis
Symmetry 2023, 15(7), 1448; https://doi.org/10.3390/sym15071448
Available online: https://www.mdpi.com/2073-8994/15/7/1448

2. “Longitudinal–Transverse Vibration of a Functionally Graded Nanobeam Subjected to Mechanical Impact and Electromagnetic Actuation”
by Nicolae Herisanu, Bogdan Marinca and Vasile Marinca
Symmetry 2023, 15(7), 1376; https://doi.org/10.3390/sym15071376
Available online: https://www.mdpi.com/2073-8994/15/7/1376

3. “A New Class of Trigonometric B-Spline Curves”
by Gudrun Albrecht, Esmeralda Mainar, Juan Manuel Peña and Beatriz Rubio
Symmetry 2023, 15(8), 1551; https://doi.org/10.3390/sym15081551
Available online: https://www.mdpi.com/2073-8994/15/8/1551

4. “A New Bivariate Family Based on Archimedean Copulas: Simulation, Regression Model and Application”
by Gabriela M. Rodrigues, Edwin M. M. Ortega, Roberto Vila and Gauss M. Cordeiro
Symmetry 2023, 15(9), 1778; https://doi.org/10.3390/sym15091778
Available online: https://www.mdpi.com/2073-8994/15/9/1778

5. “A Minimal Parameterization of Rigid Body Displacement and Motion Using a Higher-Order Cayley Map by Dual Quaternions”
by Daniel Condurache and Ionuț Popa
Symmetry 2023, 15(11), 2011; https://doi.org/10.3390/sym15112011
Available online: https://www.mdpi.com/2073-8994/15/11/2011

6. “Chaotic Maps with Tunable Mean Value—Application to a UAV Surveillance Mission”
by Lazaros Moysis, Marcin Lawnik, Christos Volos, Murilo S. Baptista and Sotirios K. Goudos
Symmetry 2023, 15(12), 2138; https://doi.org/10.3390/sym15122138
Available online: https://www.mdpi.com/2073-8994/15/12/2138

We are pleased to inform you that Symmetry (ISSN: 2073-8994) has received an increased CiteScore of 5.4.

CiteScore provides transparent metrics that enable well-informed publishing strategies, library collection development, and the benchmarking of journal performance. It is now a standard citation metric, alongside SNIP and SJR, that gives an up-to-date view of a journal’s impact.

The 2023 CiteScore provides an assessment of the scientific influence of journals in the 2020 to 2023 period.

This is a reflection of the excellent performance, support, and dedication of all journal editors, reviewers, authors, and readers.

Symmetry’s CiteScore ranks as follows:

• 23/399 (Q1) in the “General Mathematics” category;
• 16/81 (Q1) in the “Physics and Astronomy” category;
• 29/133 (Q1) in the “Computer Science” category;
• 33/111 (Q2) in the “Chemistry” category.

More details can be seen here: https://www.scopus.com/sourceid/21100201542.

For more journal statistics, please visit https://www.mdpi.com/journal/symmetry/stats.

Thank you to everyone who has contributed to the journal.

Symmetry Editorial Office

The China Materials Conference 2024 will be held from 8 to 11 July 2024 in Guangzhou, China. The conference was hosted by the Chinese Materials Research Society and co-hosted by the European Materials Research Society.

The areas of focus for the conference include the following:

• Energy materials;
• Environmental materials;
• Advanced structural materials;
• Functional materials;
• Material design, preparation and evaluation;
• Others.

The following MDPI journals will be represented at the conference:

• Materials;
• Nanomaterials;
• Symmetry;
• Fibers;
• Coatings;
• Catalysts;
• Inorganics;
• Nanoenergy Advances;
• Membranes;
• Journal of Composites Science;
• Crystals;
• Gels;
• C;
• Metals;
• Ceramics;
• Alloys;
• Polymers.

If you are planning to attend the above conference, please feel free to start an online conversation with us. Our delegates look forward to meeting you and answering any questions that you may have. Our booth number is #2258, located on the first floor of Baiyun International Hall Phase II.

For more information about the conference, please visit the following link: https://cmc2024.scimeeting.cn/cn/web/index/.

Conference: ACS Fall 2024
Organization: American Chemical Society
Date: 18–22 August 2024
Place: Colorado Convention Center, 700 14th St, Denver, CO 80202
Booth ID: 1420

A variety of MDPI journals will be attending ACS Fall 2024 as exhibitors, an exciting event being held in Denver, USA, from 18 to 22 August 2024.

ACS Meetings & Expositions are where chemistry professionals meet to exchange ideas and advance scientific and technical knowledge. By attracting thousands of chemical professionals, the meetings provide excellent opportunities for peers to engage with each other and share their passion for chemistry, connecting with one of the world's largest scientific societies and helping to advance careers in this ever-changing global economy.

The following MDPI journals will be represented:

• Molecules;
• Nanomaterials;
• Separations;
• Organics;
• Molbank;
• AppliedChem;
• Chemistry;
• Batteries;
• Fibers;
• Crystals;
• Polymers;
• Colorants;
• Analytica;
• Coatings;
• Symmetry;
• Liquids;
• Reactions.

If you are attending this conference, please feel free to start a conversation with us at our booth #1420. Our delegates look forward to meeting you in person and answering any questions that you may have.

On UNESCO’s 2024 Oceans Day, MDPI encourages the scientific community to increase the accessibility of ocean research to accelerate ocean conservation.

Basel, Switzerland, June 7, 2024: MDPI, a leading open access (OA) publisher, is proud to announce its active support for World Oceans Day 2024, celebrated under UNESCO’s Ocean Decade framework. MDPI’s CEO, Stefan Tochev hopes that “the latest ocean research can be made freely accessible to help empower scientists and communities at large to save our oceans,” under UNESCO’s Ocean Decade until 2030.

Open Access: A Catalyst for Ocean Action

MDPI’s presence at the UNESCO Ocean Decade Conference 2024 highlights our unwavering commitment to using OA to advance ocean science, support research communities, and promote sustainable ocean management.

"Our involvement in the UNESCO Ocean Decade Conference underscores MDPI's commitment to the underfunded Ocean SDG. By promoting OA to scientific articles and books on SDGs, we aim to inspire critical actions," said Tochev. "Our initiatives, like the World Sustainability Award and Emerging Sustainability Award, further demonstrate our dedication to advancing sustainability.”

Showcasing MDPI’s Contributions to Ocean Research

Over the past three years, MDPI has published 30,000 papers focused on ocean research and related topics. Key MDPI journals contributing to this body of work include:

• Journal of Marine Science and Engineering (4.9k papers)
• Remote Sensing (2.6k papers)
• Sustainability (2k papers)
• International Journal of Molecular Sciences (IJMS) (1.7k papers)
• Marine Drugs (1.5k papers)
• Water (1.5k papers)

These publications highlight MDPI’s contributions to ocean science, reinforcing our role in the broader sustainability agenda by promoting blue innovation and economy.

Additionally, MDPI has launched Oceans, an international, peer-reviewed forum specifically aimed at publishing studies related to all branches of oceanography with an emphasis on the functioning of the ocean and the sustainable use of its resources and ecosystem services.

Affirming MDPI’s Commitment to Ocean Science

MDPI’s commitment to OA is pivotal in addressing critical global challenges, from climate change to ocean sustainability. Our efforts resonate with Outcome 4 of the UNESCO Ocean Decade action roadmap: an accessible ocean with open and equitable access to data, information, technology, and innovation. By aligning with UNESCO’s goals, MDPI continues to contribute to shaping a sustainable future for our oceans, reinforcing our position as a forward-thinking publisher dedicated to environmental stewardship and scientific excellence.

For more information, contact Rui Duarte at rui.duarte@mdpi.com or +41764313242.

About MDPI

95% of authors rate MDPI’s publication process as excellent or good, setting a new benchmark in scientific publishing – reveals 2023 Annual Report. 

Basel, Switzerland, June 4, 2024: MDPI, the leading open access (OA) publisher, proudly announces the release of its 2023 Annual Report, detailing remarkable achievements and reaffirming its leadership in advancing OA publishing. In 2023, MDPI received 655,065 submissions, of which 285,244 articles were published. The company now commands a 17% market share in gold open access articles, with a median publication time of six weeks.

Stefan Tochev, MDPI's CEO, stated, "As a pioneer in open access publishing, MDPI has long been a game-changer in the scholarly community, serving millions of authors around the world to ensure the latest research is freely available. Reflecting on our incredible journey at MDPI, 2023 has been marked by growth in paper submissions, ambitious projects and initiatives aimed at improving our internal processes and delivering top-notch services to our scientists."

MDPI's 2023 Annual Report highlights several key achievements:

• 17% market share in gold open access articles across all disciplines.
• Record satisfaction rates: 95% of authors, 82% of reviewers, and 85% of guest editors.
• Enhanced editorial standards and feedback processes.
• Increased reach and impact with 54 new MDPI journal inclusions in Scopus, 29 in Web of Science, and 77 in DOAJ.

MDPI’s unwavering commitment to advancing OA has transformed the landscape of scholarly publishing, making high-quality research freely accessible to the global scientific community. The continuous improvement in our editorial standards and feedback processes underscores MDPI’s dedication to ensuring academic integrity and excellence.

Global Reach and Collaboration

MDPI’s global footprint continues to expand, with authors from diverse regions: 37% from Asia/Pacific, 36% from Europe, 15% from the Americas, and 12% from other parts of the world. The company’s fully OA platform attracted nearly 14 million monthly visitors in 2023, reflecting its widespread influence in the scientific community.

Commitment to Partnerships

With over 800 institutional partners, MDPI continues to demonstrate its dedication to providing reliable and collaborative publishing services. The introduction of a transparent flat-fee model highlights MDPI's ongoing efforts to enhance affordability and support to the academic community. For more details read our 2023 Annual Report.

For more information, contact Rui Duarte at rui.duarte@mdpi.com or +41764313242.

About MDPI