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Molecules publishes Special Issues to create collections of papers on specific topics, with the aim of building a community of authors and readers to discuss the latest research and develop new ideas and research directions. Special Issues are led by Guest Editors, who are experts on the topic and all Special Issue submissions follow MDPI's standard editorial process. The journal’s Editor-in-Chief and/or designated Editorial Board Member will oversee Guest Editor appointments and Special Issue proposals, checking their content for relevance and ensuring the suitability of the material for the journal. The papers published in a Special Issue will be collected and displayed on a dedicated page of the journal’s website. Further information on MDPI's Special Issue policies and Guest Editor responsibilities can be found here. For any inquiries related to a Special Issue, please contact the Editorial Office.

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Biomimetic and Functional Materials for Biomedical and Dental Applications

edited by

Fusun Ozer

submission deadline 15 Sep 2025 | 1 articles | Viewed by 2489 | Submission Open

Keywords: biomaterials; functional materials; biomimetic materials; biomimetic; mechanical properties; biomedical; bioengineering; tissue engineering

(This special issue belongs to the Section Medicinal Chemistry)

Current Trends in Materials for Beauty and Health

edited by

Alina Sionkowska

and

Elzbieta Sikora

submission deadline 20 Sep 2025 | Viewed by 841 | Submission Open

Keywords: beauty; health; biomaterials; eco-friendly; natural products; cosmetics

(This special issue belongs to the Section Materials Chemistry)

Porous Materials for Environmental Pollutant Adsorption and Degradation

edited by

Alexandru Popa

and Orsina Verdeş

submission deadline 20 Sep 2025 | Viewed by 663 | Submission Open

Keywords: microporous and mesoporous materials; adsorbents; environmental applications; physical and chemical characterizations of materials; carbon capture and utilization (CCU); CO2 adsorption mechanisms; adsorbent regeneration; heterogeneous catalytic reactions

(This special issue belongs to the Section Materials Chemistry)

Critical Quality Attributes of Natural Products

edited by Luca Giovanni Regazzoni

submission deadline 28 Sep 2025 | 1 articles | Viewed by 1182 | Submission Open

Keywords: critical quality attributes; natural product characterization; bioactive natural compounds; human health

(This special issue belongs to the Section Analytical Chemistry)

Bioactive and Nutritional Molecules: From Natural Sources to Therapeutic and Health Applications

edited by

Mauro Lombardo

submission deadline 30 Sep 2025 | 7 articles | Viewed by 36691 | Submission Open

Keywords: bioactive and nutritional molecules; natural therapeutic agents; bioactive compounds

(This special issue belongs to the Section Cross-Field Chemistry)

Heterocycles in Medicinal Chemistry III

edited by

Josef Jampilek

submission deadline 30 Sep 2025 | 12 articles | Viewed by 30805 | Submission Open

Keywords: drugs; heterocycles; pharmacophore; drug design; computer study; synthesis; analysis; natural compounds; carbohydrates; physicochemical properties; ADMET; biological screening; chemical biology; biological chemistry; biomaterials

(This special issue belongs to the Section Medicinal Chemistry)

Bioactive Molecules Targeting Inflammation Processes in Related Diseases—2nd Edition

edited by

Raluca Maria Pop

submission deadline 30 Sep 2025 | 5 articles | Viewed by 23946 | Submission Open

Keywords: plant bioactive compounds; inflammation; chronic diseases; in vivo; in vitro

(This special issue belongs to the Section Natural Products Chemistry)

Advances in Targeted Delivery of Nanomedicines

edited by

Sreejesh Sreedharan

submission deadline 30 Sep 2025 | 6 articles | Viewed by 22522 | Submission Open

Keywords: nanomedicines; drug delivery; target delivery; nanoscience; cancer signalling

(This special issue belongs to the Section Medicinal Chemistry)

Phytochemistry, Human Health and Molecular Mechanisms

edited by

Valeria Naponelli

and

Elena Ferrari

submission deadline 30 Sep 2025 | 11 articles | Viewed by 20288 | Submission Open

Keywords: bioactive compounds; bioavailability; extraction methods; biological activities; functional applications; nutraceuticals; human metabolism; toxicity; bioactive-gut microbiota relationships

(This special issue belongs to the Section Natural Products Chemistry)

Chromatographic Methods for Monitoring Food Safety and Quality

edited by

José Bernal del Nozal

and

Ana M. Ares

submission deadline 30 Sep 2025 | 7 articles | Viewed by 17680 | Submission Open

Keywords: antibiotics; bioactive compounds; chromatography; contaminants; food chemistry; food authentication; food safety; food quality; food safety; method validation; microplastics; pesticides; veterinary drugs

(This special issue belongs to the Section Analytical Chemistry)

Metal-Catalyzed Organic Transformations: Expanding Horizons in Synthetic Methodology

edited by Chen Chen

submission deadline 30 Sep 2025 | 9 articles | Viewed by 17406 | Submission Open

Keywords: multicomponent reactions; transition metal catalysis; organometallic chemistry; electrosynthesis; photocatalysis; green organic synthesis; bioactive molecules

(This special issue belongs to the Section Organic Chemistry)

Metal Complexes for Optical and Electronics Applications

edited by

Paola Deplano

Flavia Artizzu

and

Luca Pilia

submission deadline 30 Sep 2025 | 8 articles | Viewed by 16487 | Submission Open

Keywords: coordination chemistry; metal complexes; transition metals; lanthanides; luminescence; nonlinear optics; photo-switching; conductivity

(This special issue belongs to the Section Applied Chemistry)

Natural Products and Microbiology in Human Health

edited by

Ian Edwin Cock

submission deadline 30 Sep 2025 | 8 articles | Viewed by 14021 | Submission Open

Keywords: traditional medicine; antibiotics; antibiotic natural products; probiotics; novel antimicrobial therapies; microbial toxins; phytochemicals; antibiotic-resistant bacteria; drug potentiation

(This special issue belongs to the Section Medicinal Chemistry)

Application of Computational Studies for Elucidation of Protein Structure and Function

edited by

Takeshi Kikuchi

submission deadline 30 Sep 2025 | 12 articles | Viewed by 12804 | Submission Open

Keywords: simulation; artificial intelligence; bioinformatics; sequence analysis; protein assembly; drug discovery; theory

(This special issue belongs to the Section Chemical Biology)

Recent Research Progress of Novel Ion Adsorbents

edited by

Elżbieta Grządka

and

Katarzyna Szymczyk

submission deadline 30 Sep 2025 | 8 articles | Viewed by 12282 | Submission Open

Keywords: synthesis of adsorbents; adsorbents regeneration; ionic adsorbates; purification of water; removal of impurities; adsorption mechanisms; desorption; equilibrium data; adsorption isotherms; kinetic models

(This special issue belongs to the Section Physical Chemistry)

Heterocyclic Compounds: Synthesis, Application and Theoretical Study

edited by

Karolina Kula

submission deadline 30 Sep 2025 | 4 articles | Viewed by 9483 | Submission Open

Keywords: synthesis and transformation of heterocycles; structural chemistry; reaction mechanisms; stereochemistry; regiochemistry; quantum chemical computations; biological activity of heterocyclic compounds; green chemistry

(This special issue belongs to the Section Organic Chemistry)

Natural Compounds in Modern Therapies, 2nd Edition

edited by

Anna Choromańska

and

Nina Rembiałkowska

submission deadline 30 Sep 2025 | 5 articles | Viewed by 9274 | Submission Open

Keywords: natural compounds; plant extract; nutraceuticals; anticancer activity; antimicrobial activity; anti-inflammatory activity; synergistic effect

(This special issue belongs to the Section Natural Products Chemistry)

Extraction and Analysis of New Bioactive Compounds Derived from Natural Products, 2nd Edition

edited by

Irinel Adriana Badea

Rodica Olar

and

Magdalena Mititelu

submission deadline 30 Sep 2025 | 10 articles | Viewed by 8672 | Submission Open

Keywords: phytochemicals; natural products; traditional medicine; liquid– liquid extraction; hydro distillation and steam distillation; solid-phase extraction; Soxhlet extraction; pressurized liquid extraction; supercritical fluid extraction; ultrasound-assisted extraction; microwave-assisted extraction; enzyme-assisted extraction; pulsed electric field extraction; HPLC; HPLC-MS; GC-MS; NMR; IR; in vitro assay; in vivo assay; antioxidant; anti-inflammatory; antimicrobial; antitumoral activity

(This special issue belongs to the Section Natural Products Chemistry)

Exclusive Feature Papers in Physical Chemistry, 3nd Edition

edited by

Maofa Ge

submission deadline 30 Sep 2025 | 13 articles | Viewed by 7724 | Submission Open

Keywords: catalysis; energy electrochemistry; kinetic; interface chemistry; biophysical chemistry

(This special issue belongs to the Section Physical Chemistry)

Anti-inflammatory Activities of Natural Products—Third Edition

edited by

Maria da Graça Costa Miguel

submission deadline 30 Sep 2025 | 4 articles | Viewed by 7417 | Submission Open

Keywords: inflammation; anti-inflammatory; natural products; pharmacology; plant; marine

(This special issue belongs to the Section Natural Products Chemistry)

Organic and Inorganic Luminescent Materials, 2nd Edition

edited by

Liang Zhou

submission deadline 30 Sep 2025 | 7 articles | Viewed by 7310 | Submission Open

Keywords: luminescent materials; molecular design; luminescent mechanisms and processes; luminescent devices; display; lighting; detection

(This special issue belongs to the Section Photochemistry)

Natural Products in Anticancer Activity: 2nd Edition

edited by

Marcus Tullius Scotti

and

Luciana Scotti

submission deadline 30 Sep 2025 | 5 articles | Viewed by 6793 | Submission Open

Keywords: natural products; anticancer; drug; nature; molecule

(This special issue belongs to the Section Natural Products Chemistry)

Energy Storage Materials: Synthesis and Application

edited by Yuanyuan Ma

submission deadline 30 Sep 2025 | 5 articles | Viewed by 6694 | Submission Open

Keywords: energy storage; inorganic material; organic material; sol– gel method; hydrothermal; coprecipitation method; lithium-ion battery; lithium– sulfur battery; air battery; supercapacitor; aqueous battery

(This special issue belongs to the Section Applied Chemistry)

Novel Inhibitors: Design, Synthesis, Biological Activities and Modelling Studies

edited by

Hari Krishna Namballa

and

Velma Ganga Reddy

submission deadline 30 Sep 2025 | 4 articles | Viewed by 6322 | Submission Open

Keywords: drug design; medicinal chemistry; organic synthesis; total synthesis; multi-drug resistance; biological activity; anticancer; heterocyclic compounds; cytotoxicity; structure– activity relationship; molecular modeling

(This special issue belongs to the Section Medicinal Chemistry)

Green Chemistry Approaches to Analysis and Environmental Remediation

edited by

Vasilios Sakkas

submission deadline 30 Sep 2025 | 6 articles | Viewed by 6285 | Submission Open

Keywords: chromatography; mass spectrometry; extraction; green analytical chemistry; emerging contaminants

(This special issue belongs to the Section Analytical Chemistry)

Photocatalytic Materials and Photocatalytic Reactions, 2nd Edition

edited by

Sugang Meng

and

Bo Weng

submission deadline 30 Sep 2025 | 7 articles | Viewed by 5843 | Submission Open

Keywords: photocatalysts; carbon neutral; charge carrier separation; photocatalytic mechanism; photoredox reaction; nanocomposites

(This special issue belongs to the Section Photochemistry)

Natural Products: Extraction, Analysis and Biological Activities

edited by

Dorota Wianowska

and Łukasz Paprotny

submission deadline 30 Sep 2025 | 5 articles | Viewed by 5661 | Submission Open

Keywords: plant products; secondary metabolites; extraction; analysis; quality of natural products; biological activity; health-promoting properties; agricultural waste

(This special issue belongs to the Section Natural Products Chemistry)

Discovery of Antibacterial Drugs

edited by

Pavlina Dolashka

submission deadline 30 Sep 2025 | 3 articles | Viewed by 5500 | Submission Open

Keywords: antibacterial effect; antibiotics; drug discovery; natural compounds; pharmacodynamic and pharmacokinetic characteristics

(This special issue belongs to the Section Medicinal Chemistry)

Innovative Analytical Techniques in Food Chemistry

edited by

Yukun Yang

Huilin Liu

and Ying Gu

submission deadline 30 Sep 2025 | 5 articles | Viewed by 5487 | Submission Open

Keywords: sensor; biosensor; food safety; advanced functional material; dual-mode; visualization; array sensor; paper-based sensor

(This special issue belongs to the Section Food Chemistry)

New Insight in Catalysis and Electrocatalysis for CO₂ Conversion

edited by

Alexandros Katsaounis

and

Georgios Kyriakou

submission deadline 30 Sep 2025 | 2 articles | Viewed by 5256 | Submission Open

Keywords: CO2; fine chemicals; bulk chemicals; catalysis; electrocatalysis; surfaces

(This special issue belongs to the Section Green Chemistry)

Recent Advances in Adsorbents for Environmental Pollution and Resource Recycling

edited by Wei Wang and Lang Yang

submission deadline 30 Sep 2025 | 5 articles | Viewed by 5162 | Submission Open

Keywords: adsorption; molecular structure design; environmental pollution; metal enrichment extraction; resource recycling; adsorbent preparation and synthesis; wastewater treatment

(This special issue belongs to the Section Green Chemistry)

Anticancer Natural Products

edited by Zongtao Tom Lin

submission deadline 30 Sep 2025 | 3 articles | Viewed by 4847 | Submission Open

Keywords: anticancer; drug discovery; chemical biology; natural products; analytical methods; bioactive compounds; cancer therapy

(This special issue belongs to the Section Natural Products Chemistry)

Materials for Emerging Electrochemical Devices—2nd Edition

edited by

Maria Manuela Silva

submission deadline 30 Sep 2025 | 4 articles | Viewed by 4819 | Submission Open

Keywords: solid-state devices; batteries; electrochromic devices; smart windows; electrochemical devices

(This special issue belongs to the Section Materials Chemistry)

Exploring Analytical Techniques in Pharmaceutical and Biomedical Analysis

edited by

Fengqing Yang

and

Yuelin Song

submission deadline 30 Sep 2025 | 5 articles | Viewed by 4719 | Submission Open

Keywords: pharmaceutical analysis; biomedical analysis; chromatographic analysis; spectroscopic analysis; mass spectrometry analysis; capillary electrophoresis; electrochemical analysis

(This special issue belongs to the Section Medicinal Chemistry)

Novel Metabolism-Related Biomarkers in Cancer

edited by

Maria de Fátima Monginho Baltazar

and

Julieta Alexandra Pereira Afonso

submission deadline 30 Sep 2025 | 3 articles | Viewed by 4502 | Submission Open

Keywords: cancer biomarkers; personalized medicine; metabolism; glucose; amino acid; glutamine; lipid; iron

(This special issue belongs to the Section Bioorganic Chemistry)

Novel Functional Nanomaterials: Synthesis, Characterization and Applications

edited by Haoyan Cheng and

Hao Hu

submission deadline 30 Sep 2025 | 4 articles | Viewed by 4178 | Submission Open

Keywords: nanomaterials; biomedicine; synthesis; characterization; applications; fabrication; optical properties; electrical properties; magnetic properties; mechanical properties; nanoscience; nanotechnology

(This special issue belongs to the Section Materials Chemistry)

Natural Products for the Treatment of Diabetes and Obesity II

edited by

Liqing Zang

submission deadline 30 Sep 2025 | 1 articles | Viewed by 4129 | Submission Open

Keywords: natural products; bioactive compounds; obesity; diabetes; metabolic syndrome; human health; molecular mechanism; nutrients

(This special issue belongs to the Section Natural Products Chemistry)

Therapeutic Agents for Neurodegenerative Disorders—2nd Edition

edited by

Andrea Kwakowsky

submission deadline 30 Sep 2025 | 4 articles | Viewed by 4063 | Submission Open

Keywords: beta amyloid; tau; alpha-synuclein; huntingtin; autophagy; neuromodulators; neurotrophins; natural compounds; neuroinflammation; vascular dysfunction; neuronal death; drug development; therapeutic biomarkers; blood– brain barrier; small-molecule therapeutics; theranostics

(This special issue belongs to the Section Medicinal Chemistry)

Advances in the Recycling of Industrial Waste: Critical Minerals in the Clean Energy Transition

edited by María Isabel Martín Hernández and

Olga Rodríguez Largo

submission deadline 30 Sep 2025 | 3 articles | Viewed by 3848 | Submission Open

Keywords: waste material recycling; metal removal; metal recovery; critical metal separation; hydrometallurgical processes; pyrometallurgical process; urban mining

(This special issue belongs to the Section Green Chemistry)

Synthesis, Characterization, and Biological Evaluation of Alkaloids

edited by Yucheng Zhao

submission deadline 30 Sep 2025 | 3 articles | Viewed by 3829 | Submission Open

Keywords: biological evaluation; alkaloids; biosynthesis; synthetic biology; catalytic mechanism; biosynthesis enzymes

(This special issue belongs to the Section Natural Products Chemistry)

Chemical Biology of Antimicrobial Resistance, 2nd Edition

edited by

Qilin Yu

submission deadline 30 Sep 2025 | 2 articles | Viewed by 3804 | Submission Open

Keywords: antimicrobial resistance; resistance mechanism; antibiotics; diagnostics; new mode of action; antibiotic target; structure– activity relationship; molecular probe

(This special issue belongs to the Section Cross-Field Chemistry)

Advanced Materials for Environmental Remediation: Design and Applications

edited by Meijuan Chen and Yuru Wang

submission deadline 30 Sep 2025 | 2 articles | Viewed by 3655 | Submission Open

Keywords: advanced materials; environmental remediation; nanomaterials; biomaterials; porous materials; composites; water purification; air purification; soil remediation

(This special issue belongs to the Section Materials Chemistry)

Enhanced Bioapplications of Biomolecules Mediated by Nanomaterials

edited by

Zhong Cao

and Donghong Yu

submission deadline 30 Sep 2025 | 2 articles | Viewed by 3579 | Submission Open

Keywords: nanofunctional materials; biomolecular recognition; molecular probes; biosensors; micro/nano chips; organic optoelectronic materials; bioenergy materials

(This special issue belongs to the Section Medicinal Chemistry)

Chemical Composition and Bioactivities of Essential Oils, 3rd Edition

edited by

Manuela Labbozzetta

submission deadline 30 Sep 2025 | 4 articles | Viewed by 3530 | Submission Open

Keywords: bioactive natural compounds; essential oils; chemical characterization; the essential oil mechanism of action; biological activities in vitro and in vivo; antitumor; antimicrobials; antioxidant; EO delivery strategies

(This special issue belongs to the Section Natural Products Chemistry)

Polymeric Liquid Crystals and Applications, 2nd Edition

edited by

Pedro Marques de Almeida

Anupam Sengupta

and

Mateusz Mrukiewicz

submission deadline 30 Sep 2025 | 3 articles | Viewed by 3419 | Submission Open

Keywords: phases; structures and ordering; self-assembly; colloids; instabilities; pattern formation and chaos; fibers; biological and bio-inspired liquid crystals; polymer-liquid crystal blends; conductive liquid crystals; switchable polymers; nanostructured systems; supramolecules; polymers; elastomers and gels; photosensitive liquid crystals; confined liquid crystals; molecular design; synthesis and new materials; sensors; actuators; O-LED and polymer LCD devices; conducting polymer liquid crystals; biopolymer liquid crystals; drug delivery; mathematical modelling; novel applications of liquid crystalline systems

(This special issue belongs to the Section Applied Chemistry)

Catalytic Approaches in Flow Chemistry

edited by

Graziano Di Carmine

Alessandro Massi

and

Carmela De Risi

submission deadline 30 Sep 2025 | 2 articles | Viewed by 3186 | Submission Open

Keywords: organocatalysis in continuous flow; flow chemistry for the preparation of APIs; green technologies in organic synthesis; green chemistry; organic synthesis; heterogeneous catalysis; scale-up

(This special issue belongs to the Section Organic Chemistry)

Chemistry of Nucleic Acids: From Structure to Biological Interactions

edited by

Claudia Riccardi

and Federica D'Aria

submission deadline 30 Sep 2025 | 3 articles | Viewed by 3166 | Submission Open

Keywords: nucleic acid structures and function; modified nucleic acids; nucleic acid-targeting ligands; physicochemical studies of nucleic acids; thermodynamics and kinetics of nucleic acid structures; structure– function relationship of nucleic acids; nucleic acid– protein interactions; aptamers

(This special issue belongs to the Section Chemical Biology)

Advancements in Analytical Chemistry for the Analysis and Detection of Food and Environment

edited by

Pao-Chi Liao

submission deadline 30 Sep 2025 | 2 articles | Viewed by 3135 | Submission Open

Keywords: analytical chemistry; food analysis; environmental analysis; innovative qualitative/quantitative detection techniques; trace analysis; food quality/safety; environmental protection/management

(This special issue belongs to the Section Analytical Chemistry)

Fundamental Concepts and Recent Developments in Chemical Bonding

edited by Hajime Hirao

submission deadline 30 Sep 2025 | 2 articles | Viewed by 2979 | Submission Open

Keywords: conventional bonding; unconventional bonding; valence bond theory; molecular orbital theory; energy decomposition analysis; spin; aromaticity; nonbonded interactions

(This special issue belongs to the Section Cross-Field Chemistry)

New Insights into Bioactive Compounds from Natural Sources—Second Edition

edited by

Agnieszka Kicel

and

Ewa Skała

submission deadline 30 Sep 2025 | 2 articles | Viewed by 2857 | Submission Open

Keywords: bioactive plant-specialized metabolites; isolation and identification; bioactive compounds; qualitative and quantitative profiling; biotechnological strategies; biological activity; structure and bioactivity

(This special issue belongs to the Section Medicinal Chemistry)

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