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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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Marine Plant Metabolites as a Source of Novel Bioactive Agents: Isolation and Applications

edited by

Francesco Balestri

and

Francesca Felice

submission deadline 31 Jul 2026 | Viewed by 23 | Submission Open

Keywords: marine algae; aquatic plants; bioactive metabolites; extraction and isolation techniques; natural product characterization; bioproducts and biofuels; cell metabolism; pharmacological targets

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

Bioactive Compounds as Modulators of Antioxidant Activity and Inflammatory Processes in Related Diseases

edited by

Raluca Maria Pop

submission deadline 31 Jul 2026 | Viewed by 22 | Submission Open

Keywords: natural bioactive compounds; antioxidant activities; anti-inflammatory activities; efficacy; safety; concentration-dependent effects; antioxidant/pro-oxidant balance

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

Functional Nanomaterials and Composites: From Design Towards Energy & Environmental Applications

edited by

Edgar Mosquera-Vargas

and

Luis Alfredo Rodríguez

submission deadline 31 Jul 2026 | Viewed by 21 | Submission Open

Keywords: nanomaterials; composites; energy applications; environmental remediation; sustainable technologies

(This special issue belongs to the Section Nanochemistry)

Computational Photochemistry: Challenges and Possibilities

edited by

Yuehui Li

submission deadline 31 Jul 2026 | Viewed by 18 | Submission Open

Keywords: computational photochemistry; quantum mechanical methods; excited state; environmental photocatalysis; photodynamic therapy; photocatalytic water splitting; CO2 photoreduction; photochemical transformation of small molecules; mechanisms of luminescent materials

(This special issue belongs to the Section Photochemistry)

Natural Pigments and Colorants in Food: Sources, Stability and Applications

edited by

Marcin Andrzej Kurek

, Jarosław Wyrwisz, Małgorzata Moczkowska-Wyrwisz and Sabina Karp-Paździerska

submission deadline 31 Jul 2026 | Viewed by 11 | Submission Open

Keywords: natural colorants; anthocyanins; carotenoids; betalains; chlorophylls; encapsulation; stability; food applications; biopolymer interactions

(This special issue belongs to the Section Food Chemistry)

New Horizons in Drug Repurposing

edited by

Dimitra Hadjipavlou-Litina

submission deadline 31 Jul 2026 | Viewed by 11 | Submission Open

Keywords: drug discovery; drug repositioning; drug repurposing; genetic diseases; rare diseases; cancer; orphan drugs

(This special issue belongs to the Section Medicinal Chemistry)

Green and Sustainable Biomass Processing: Ionic Liquids or Solvent-Free Approaches for Advanced Materials

edited by

Gyanendra Sharma

submission deadline 31 Jul 2026 | Viewed by 2 | Submission Open

Keywords: ionic liquids; solvent-free; biomass processing; green chemistry; cellulose processing; mechanochemistry; deep eutectic solvents; sustainable materials

(This special issue belongs to the Section Green Chemistry)

Design, Preparation, and Applications of Functional Hybrid Nanocomposites Containing Polymers

edited by

Simona Căprărescu

submission deadline 1 Aug 2026 | Viewed by 114 | Submission Open

Keywords: advanced nanocomposites; nano-hybrids; polymer composites; innovative methods; multifunctional coatings; characterisation; applications

(This special issue belongs to the Section Materials Chemistry)

Multiscale Insights into Dielectric Materials: From Molecular Design to Electrical Performance

edited by

Shangshi Huang

Xiaoxiao Kong

and

Wenyu Ye

submission deadline 1 Aug 2026 | Viewed by 107 | Submission Open

Keywords: dielectric materials; molecular design; multiscale modeling; structure– property relationships; electrical performance; polymer dielectrics; energy storage; computational materials science

(This special issue belongs to the Section Materials Chemistry)

Chromatography and Spectroscopy in Food, Environmental, and Pharmaceutical Sciences

edited by

Antonella Maria Aresta

and Alessia Di Gilio

submission deadline 6 Aug 2026 | Viewed by 64 | Submission Open

Keywords: chromatographic techniques; phytochemicals; pollutants; mass spectrometry; functional foods; extraction techniques; biological assays; pollutant abatement; nutraceuticals or additives

(This special issue belongs to the Section Analytical Chemistry)

Analysis of Natural Volatile Organic Compounds (NVOCs)

edited by

Igor Jerković

submission deadline 30 Aug 2026 | 1 articles | Viewed by 757 | Submission Open

Keywords: volatile organic compounds; essential oils; headspace; terpene; norisoporenoid and phenylpropane derivatives; aliphatic compounds; gas chromatography

(This special issue belongs to the Section Flavours and Fragrances)

Droplet Chemistry: Superwetting, Evaporation and Applications

edited by

Ruoyang Chen

Xiaoguang Li

and

Panagiotis Theodorakis

submission deadline 30 Aug 2026 | Viewed by 138 | Submission Open

Keywords: superwetting; evaporation control; droplet manipulation; evaporation dynamics

(This special issue belongs to the Section Physical Chemistry)

Porphyrin-Based Molecules: From Synthesis to Structure–Activity Relationships and Applications

edited by Prashanth K. Poddutoori

submission deadline 30 Aug 2026 | Viewed by 18 | Submission Open

Keywords: porphyrin; phthalocyanine; corrole; borondipyrromethane; synthesis; photophysics; electrochemistry; energy transfer; electron transfer; solar energy conversion; photodynamic therapy; molecular electronics; photonics; and catalysis

(This special issue belongs to the Section Organic Chemistry)

Biobased Materials for Tissue Engineering

edited by

Carlos David Grande Tovar

submission deadline 31 Aug 2026 | 3 articles | Viewed by 9930 | Submission Open

Keywords: biobased materials; biopolymers; scaffold development; tissue engineering; regenerative therapy; cell culture; stem cell therapy; drug delivery; hydrogels; wound dressing

(This special issue belongs to the Section Materials Chemistry)

Bioproducts for Health, 4th Edition

edited by

María Emilia Brassesco

Ezequiel Coscueta

and

Manuela Pintado

submission deadline 31 Aug 2026 | 2 articles | Viewed by 2175 | Submission Open

Keywords: bioactive compounds; health applications; natural sources; purification; downstream processing; sustainability

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

Emerging Horizons of Hyperpolarization in Chemistry and Biomedicine

edited by

Roman Shchepin

submission deadline 31 Aug 2026 | 3 articles | Viewed by 1786 | Submission Open

Keywords: hyperpolarization; NMR; MRI; low cost; SABRE; PHIP; d-DNP; isotopic enrichment

Applications of Solid-Phase Microextraction and Related Techniques, the Second Edition

edited by

Hiroyuki Kataoka

submission deadline 31 Aug 2026 | 1 articles | Viewed by 1135 | Submission Open

Keywords: solid-phase microextraction; micriextraction techniques; extraction sorbents; pharmaceutical analysis; forensic analysis; bioanalysis; environmental analysis; food analysis

(This special issue belongs to the Section Analytical Chemistry)

Modern Application of Cycloaddition Reactions: Experimental and Theoretical Research

edited by

Agnieszka Kącka-Zych

and Patricia Perez

submission deadline 31 Aug 2026 | 1 articles | Viewed by 975 | Submission Open

Keywords: cycloaddition reactions; molecular electron density theory; density functional theory; reaction mechanism; organic synthesis; bioactive compounds; biological activity of heterocyclic compounds

(This special issue belongs to the Section Organic Chemistry)

Chemical Composition and Biological Activity of Essential Oils and Other Extracts: From Extraction to Application Second Edition

edited by

Kristina Ložienė

submission deadline 31 Aug 2026 | 1 articles | Viewed by 851 | Submission Open

Keywords: medicinal and aromatica plant resources; plant extracts; essential oils; secondary metabolites; chromatography; mass spectrometry; bioactivity; synergism; application

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

Isolation and Structure Determination of Bioactive Natural Products, Third Edition

edited by

Aleksandra Szydłowska-Czerniak

submission deadline 31 Aug 2026 | Viewed by 159 | Submission Open

Keywords: primary and secondary plant metabolites; sample preparation methods; hyphenated analytical methods; natural product research; measuring biological activity; structure– activity relationships

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

Natural and Synthetic Bioactive Compounds in Food—Risks and Benefits

edited by

Andreas Eisenreich

submission deadline 31 Aug 2026 | Viewed by 119 | Submission Open

Keywords: bioactive compounds; health; safety; effects; toxicology; biology; food; feed

(This special issue belongs to the Section Medicinal Chemistry)

Surface Modification of Materials and Their Applications

edited by

Yi Zhang

submission deadline 31 Aug 2026 | Viewed by 95 | Submission Open

Keywords: chemical functionalization; surface modification; catalysis; biotechnology; advanced manufacturing; environment

(This special issue belongs to the Section Materials Chemistry)

Natural Products and Their Derivatives with Applications in Health and Diseases

edited by

Jih-Jung Chen

and

Sin-Min Li

submission deadline 31 Aug 2026 | Viewed by 76 | Submission Open

Keywords: natural products; medicinal plants; bioactive compounds; biological activity; mechanism of action; drug development; dietary supplements; healthy food

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

Antioxidant Properties of Bioactive Compounds from Plants

edited by

Dimitra Hadjipavlou-Litina

Ioannis Fotopoulos

and

Olga Tsiftsoglou

submission deadline 31 Aug 2026 | Viewed by 57 | Submission Open

Keywords: reactive oxidant species; antioxidant protocols; antioxidant compounds; factors of influence; diseases

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

Catalytic Materials from Wastes for Environmental Pollution Control

edited by

Jorge Sambeth

, Maria Victoria Gallegos and Franco Dubois

submission deadline 31 Aug 2026 | Viewed by 51 | Submission Open

Keywords: waste valorization; heterogeneous catalysis; environmental remediation; circular economy; sustainable energy

(This special issue belongs to the Section Materials Chemistry)

Exploring Agri-Food By-Products: From Novel Extraction to Bioactive Properties

edited by

Branimir Pavlic

submission deadline 31 Aug 2026 | Viewed by 42 | Submission Open

Keywords: agri-food by-products; bioactive compounds; novel extraction methods; phytochemicals; antioxidant properties

(This special issue belongs to the Section Food Chemistry)

Recent Advances in Nucleic-Acid Based Drugs Development

edited by

Daniela Perrone

Maria Luisa Navacchia

and

Elena Marchesi

submission deadline 31 Aug 2026 | Viewed by 39 | Submission Open

Keywords: nucleic acids; oligonucleotide synthesis; modified nucleic acids; therapeutic applications; gene expression regulation; precision medicine; undruggable target

(This special issue belongs to the Section Medicinal Chemistry)

New Sights in Stereoselective Synthesis

edited by

Maurizio Benaglia

Fabrizio Medici

and Francesca Franco

submission deadline 31 Aug 2026 | Viewed by 37 | Submission Open

Keywords: asymmetric synthesis; organocatalysis; metal-based catalysts; chiral reagents; enzymatic reactions; synthesis in alternative biodegradable solvents; light-driven reactions; biocatalysis; electrochemical organic synthesis; continuous flow reactions

(This special issue belongs to the Section Organic Chemistry)

Metal Organic Frameworks (MOFs): Current Advances and Future Perspectives

edited by Bhausaheb Dhokale

submission deadline 31 Aug 2026 | Viewed by 9 | Submission Open

Keywords: metal– organic frameworks (MOFs); porous materials; catalysis; gas storage; drug delivery; hybrid materials; post-synthetic modification

(This special issue belongs to the Section Materials Chemistry)

Design, Synthesis, and Application of Functional Nanomaterials in Environmental Analysis and Agriculture Protection

edited by

Jiangjiang Gu

submission deadline 31 Aug 2026 | Viewed by 6 | Submission Open

Keywords: functional nanomaterials; environmental analytical chemistry; environmental pollutants; agriculture protection; abiotic and biotic stress; response mechanisms; analytical techniques

(This special issue belongs to the Section Materials Chemistry)

Microwave and Ultrasound Technologies in Chemical Reactions

edited by

Qinglong Xie

submission deadline 31 Aug 2026 | Viewed by 3 | Submission Open

Keywords: microwave chemistry; sonochemistry; process intensification; reaction mechanisms; organic synthesis; synergistic effects; green chemistry

(This special issue belongs to the Section Green Chemistry)

Novel Strategies in Drug Discovery of Parasitic Diseases

edited by

Rafael Balana-Fouce

and

Celia Fernández-Rubio

submission deadline 31 Aug 2026 | Submission Open

Keywords: parasitic diseases; drug discovery; antiparasitic agents; drug resistance; molecular targets; natural products; computational drug design; drug repurposing

(This special issue belongs to the Section Medicinal Chemistry)

Antimicrobial Properties of Natural Products—Third Edition

edited by

Raphaël E. Duval

submission deadline 31 Aug 2026 | Submission Open

Keywords: natural products; extracts; fractions; purified compounds; antimicrobial properties; bacteria; virus; fungi

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

Carbon-Based Electrochemical Materials for Energy Storage, 2nd Edition

edited by Huicong Xia

submission deadline 1 Sep 2026 | Viewed by 61 | Submission Open

Keywords: carbon-based nanomaterials; energy storage; batteries; supercapacitors; fuel cells; electrochemical reactions

(This special issue belongs to the Section Electrochemistry)

Protein–Ligand Interactions, 2nd Edition

edited by

Małgorzata Maciążek-Jurczyk

submission deadline 15 Sep 2026 | Viewed by 40 | Submission Open

Keywords: protein– ligand interactions; binding affinity; protein structure and function

(This special issue belongs to the Section Chemical Biology)

Metal Complexes for Optical and Electronics Applications

edited by

Paola Deplano

Flavia Artizzu

and

Luca Pilia

submission deadline 30 Sep 2026 | 9 articles | Viewed by 18917 | 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)

Novel Heterocyclic Compounds: Synthesis and Applications

edited by

Mario Orodnez

and José Luis Viveros-Ceballos

submission deadline 30 Sep 2026 | 2 articles | Viewed by 2552 | Submission Open

Keywords: heterocyclic compounds; synthetic methodologies; medicinal chemistry; bioactive molecules; pharmaceutical applications; catalysis in heterocycle synthesis; green chemistry approaches; structure– activity relationships (SARs); organic synthesis; agrochemical applications

(This special issue belongs to the Section Organic Chemistry)

Design and Synthesis of Antiviral Drugs Targeting Enzymes of Emerging RNA Viruses

edited by

Angela Corona

and

Antonio Lupia

submission deadline 30 Sep 2026 | Viewed by 348 | Submission Open

Keywords: antivirals; RNA viruses; viral replication; drug design; enzyme inhibitors

(This special issue belongs to the Section Medicinal Chemistry)

Advances in Emerging Photovoltaic: From Materials and Devices to Modules

edited by

Guilong Cai

submission deadline 30 Sep 2026 | Viewed by 54 | Submission Open

Keywords: design and synthesis of photovoltaic materials; perovskite photovoltaics; organic photovoltaics; quantum dot solar cells; scalability and stability

(This special issue belongs to the Section Materials Chemistry)

Recent Research Progress of Novel Ion Adsorbents—2nd Edition

edited by

Elżbieta Grządka

and

Katarzyna Szymczyk

submission deadline 30 Sep 2026 | Viewed by 34 | 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)

Organic Synthesis and Medicinal Chemistry, Two Inseparable Partners: Recent Advances in Heterocyclic Chemistry, 2nd Edition

edited by

Graziella Tocco

submission deadline 30 Sep 2026 | Viewed by 27 | Submission Open

Keywords: organic chemistry methods; organic synthesis; medicinal chemistry; heterocycles; drug discovery; in silico drug design; biologically active compounds

(This special issue belongs to the Section Medicinal Chemistry)

Metal-Catalyzed Organic Transformations: Expanding Horizons in Synthetic Methodology—2nd Edition

edited by Chen Chen and

Haibo Ge

submission deadline 30 Sep 2026 | Viewed by 23 | 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)

Structural Characteristics, Bioactivities and Mechanisms of Food-Derived Functional Compounds

edited by Juan Kan, Dan Chen and Chao Tang

submission deadline 30 Sep 2026 | Viewed by 7 | Submission Open

Keywords: food-derived bioactive compounds; structural characterization; structure– activity relationship; antioxidant activity; anti-inflammatory activity; antimicrobial mechanisms; functional foods; nutraceuticals; bioavailability; polysaccharides; polyphenols; peptides; flavonoids; carotenoids; biotransformation; molecular mechanisms

(This special issue belongs to the Section Food Chemistry)

Sustainable Chemistry with Ionic Liquids and Deep Eutectic Solvents: From Fundamentals to Applications

edited by

Iuliia Voroshylova

submission deadline 30 Sep 2026 | Viewed by 7 | Submission Open

Keywords: ionic liquids; deep eutectic solvents; green chemistry; sustainable solvents; electrolytes; catalysis; electrochemistry; biomass; extraction

(This special issue belongs to the Section Molecular Liquids)

Natural Compounds in Modern Therapies, 3rd Edition

edited by

Nina Rembiałkowska

and

Anna Choromańska

submission deadline 30 Sep 2026 | Submission Open

Keywords: natural compounds; plant extract; anti-cancer activity; antimicrobial activity; antifungal activity; antiviral activity; anti-inflammatory activity; synergistic effect; chronic disorders; age-related disorders; metabolic syndrome; nutraceuticals

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

Lignocellulosic Biomass Utilization: From Waste to Value-Added Products

edited by

Encarnación Ruiz Ramos

and

Irene Gómez Cruz

submission deadline 1 Oct 2026 | Viewed by 64 | Submission Open

Keywords: lignocellulosic biomass; value-added products; biomaterials; biorefinery; circular economy; bioenergy; sustainable development goals; green chemistry

(This special issue belongs to the Section Green Chemistry)

Microfluidics: Applications for Analytical Purposes in Chemistry

edited by

Jiao Zhai

and

Yanwei Jia

submission deadline 15 Oct 2026 | Viewed by 8 | Submission Open

Keywords: microfluidics; chemical analysis; lab-on-a-chip; biosensing

(This special issue belongs to the Section Analytical Chemistry)

Recent Advances in Exploiting Ionic Liquids for Biocatalytic and Pharmaceutical Application

edited by

Amal A.M. Elgharbawy

and

Muhammad Moniruzzaman

submission deadline 31 Oct 2026 | 6 articles | Viewed by 17721 | Submission Open

Keywords: ionic liquids; nanomaterials; emulsions; biological activity; biocatalysis; active pharmaceutical ingredients; drug delivery; mechanism of action; toxicity; pharmaceuticals; enzymes

(This special issue belongs to the Section Molecular Liquids)

5th Anniversary of Section "Flavours and Fragrances" and 30th Anniversary of Molecules

edited by

Henryk H. Jeleń

submission deadline 31 Oct 2026 | 6 articles | Viewed by 9603 | Submission Open

Keywords: flavor; aroma; taste; fragrances; volatilomics; flavoromics; sensomics; food flavors; analysis of flavor compounds

(This special issue belongs to the Section Flavours and Fragrances)

Insights on Inorganic/Organic Composites Containing Natural Bioactive Molecules

edited by

Stefania Cometa

submission deadline 31 Oct 2026 | 2 articles | Viewed by 5872 | Submission Open

Keywords: hybrid material; composite; natural compound; clay; drug delivery system; solid phase adsorption; bioactivity

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

Displaying special issue 1001-1050 on page 21 of 22.

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