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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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Feature Papers in Photochemistry and Photocatalysis—2nd Edition

edited by

Barbara Bonelli

submission deadline 31 Dec 2025 | 6 articles | Viewed by 6675 | Submission Open

Keywords: photocatalytic processes; quantum yield; solar light; upconversion; heterojunctions

(This special issue belongs to the Section Photochemistry)

Exclusive Feature Papers in Inorganic Chemistry, 3rd Edition

edited by

Andrea Bencini

Vito Lippolis

and

Matteo Savastano

submission deadline 31 Dec 2025 | 6 articles | Viewed by 6664 | Submission Open

Keywords: coordination chemistry; metal complexes; metal-based assemblies; inorganic anions; inorganic materials; coordination polymers; functional materials; chemosensors

(This special issue belongs to the Section Inorganic Chemistry)

Synthesis and Applications of Natural Polymers and Their Derivatives

edited by

Misu Moscovici

Guibin Wang

and

Alejandro Rodríguez Pascual

submission deadline 31 Dec 2025 | 3 articles | Viewed by 6612 | Submission Open

Keywords: biological synthesis; semisynthetic derivatives; polysaccharides and polyhydroxyalkanoates; fungal proteins; processing techniques; composites; nanoparticles; biomedical; pharmaceutical; drug delivery systems; food protection applications

(This special issue belongs to the Section Macromolecular Chemistry)

Innovative Technologies for Functional Foods Development

edited by

Maria Ciudad-Mulero

Patricia Morales

and

Virginia Fernández-Ruiz

submission deadline 31 Dec 2025 | 3 articles | Viewed by 6542 | Submission Open

Keywords: nutraceuticals; functional foods; plant ingredients; phytochemicals; health claims; in vitro and in vivo studies

(This special issue belongs to the Section Food Chemistry)

Exclusive Contributions by the Editorial Board Members (EBMs) of the Inorganic Chemistry Section of Molecules 2025

edited by

Athanassios C. Tsipis

submission deadline 31 Dec 2025 | 6 articles | Viewed by 6297 | Submission Open

Keywords: inorganic chemistry; coordination chemistry; main-group chemistry; bioinorganic chemistry; solid-state chemistry; organometallic compounds; inorganic cluster chemistry; metal-based assemblies; inorganic anions; inorganic materials; theoretical inorganic chemistry

(This special issue belongs to the Section Inorganic Chemistry)

Chemistry and Health: Nitrogen Heterocycle Chemistry and Medicinal Chemistry, 2nd Edition

edited by

Costel Moldoveanu

submission deadline 31 Dec 2025 | 4 articles | Viewed by 6165 | Submission Open

Keywords: heterocycles; azines; azoles; anticancer; anti-tuberculosis; antimicrobial; growth factors

(This special issue belongs to the Section Medicinal Chemistry)

Inorganic Chemistry in Europe 2025

edited by

Wolfgang Weigand

and

Sotiris K Hadjikakou

submission deadline 31 Dec 2025 | 4 articles | Viewed by 6019 | Submission Open

Keywords: inorganic chemistry (main group and transition metal chemistry); coordination and organometallic chemistry; bioinorganic chemistry; sustainable catalysis and green chemistry; nanotechnology and smart materials; energy storage and conversion; metallodrugs and imaging agents; computational chemistry and AI in material science

(This special issue belongs to the Section Inorganic Chemistry)

Synthesis and Applications of Nanoparticles and Multifunctional Nanocomposites

edited by

Alexandru Mihai Grumezescu

Florian V. Dumitrache

and Iulia Ioana Lungu

submission deadline 31 Dec 2025 | 5 articles | Viewed by 5909 | Submission Open

Keywords: nanoparticles; nanocomposites; synthesis; multifunctional platforms

(This special issue belongs to the Section Nanochemistry)

New Sights in Nanomaterials for Photoelectrochemistry

edited by Yibo Yan

submission deadline 31 Dec 2025 | 2 articles | Viewed by 5849 | Submission Open

Keywords: photoelectrochemical catalysis; photoelectrochemical cells; photoelectrochemical sensors; photoelectrochemical characterizations; photoelectrochemical conversion; photoelectrochemical transformations; optoelectronic devices; photoelectrochemical CO2 reduction

(This special issue belongs to the Section Nanochemistry)

Chemical Profiling of Plant Extracts with Antioxidant Activity: Identification of Bioactive Compounds

edited by

Marcos Soto-Hernández

submission deadline 31 Dec 2025 | 2 articles | Viewed by 5826 | Submission Open

Keywords: flavonoids; phenolic acids; terpenoids; anthocyanins; antioxidant activity; chemical profiling

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

Advances in Photocatalytic Degradation of Organic Pollutants

edited by Qianqian Liu, Quan Zhang and

Jing Ding

submission deadline 31 Dec 2025 | 3 articles | Viewed by 5795 | Submission Open

Keywords: photocatalysis; photocatalytic degradation of organic pollutants; functional materials; semiconductor photocatalysts; DFT

(This special issue belongs to the Section Green Chemistry)

Plant Volatile Organic Compounds: Extraction, Characterization and Biological Activities

edited by

Ana Lima

and

Elisabete Maria de Castro Lima

submission deadline 31 Dec 2025 | 3 articles | Viewed by 5702 | Submission Open

Keywords: plant volatile organic compounds; biosynthesis and emission; essential oils; biological activities; green extraction; omics technologies; circular bioeconomy

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

Women’s Special Issue Series: Molecules

edited by

Laura Zaccaro

Simona Golič Grdadolnik

Li Du

and

Mariana Ghica

submission deadline 31 Dec 2025 | 3 articles | Viewed by 5533 | Submission Open

Keywords: organic chemistry; medicinal chemistry; natural products chemistry; inorganic chemistry; physical chemistry; material chemistry; chemical biology; analytical chemistry; supramolecular chemistry; theoretical chemistry; green chemistry; photochemistry

Active Ingredients in Functional Foods and Their Impact on Health, 2nd Edition

edited by

Anna Puścion-Jakubik

submission deadline 31 Dec 2025 | 3 articles | Viewed by 5054 | Submission Open

Keywords: functional foods; active ingredients; bioactive compounds; health impact; nutraceuticals; dietary patterns; personalized nutrition

(This special issue belongs to the Section Food Chemistry)

Ionic Liquids and Deep Eutectic Solvents in Catalysis: Current Status and Future Outlook

edited by

Ignacio López-Coca

and Peter A. Goodrich

submission deadline 31 Dec 2025 | 3 articles | Viewed by 4709 | Submission Open

Keywords: ionic liquids; deep eutectic solvents; green chemistry; catalysis; sustainable synthesis; homogeneous catalysis; heterogeneous catalysis; enzymatic catalysis; microwave irradiation; ultrasonic activation

(This special issue belongs to the Section Green Chemistry)

Design, Synthesis, and Catalytic Applications of Metal Complexes

edited by

Mei Wang

submission deadline 31 Dec 2025 | 3 articles | Viewed by 4708 | Submission Open

Keywords: metal complex; metal-based material; catalysis: electrocatalysis; photocatalysis; thermocatalysis

(This special issue belongs to the Section Applied Chemistry)

Low-Dimensional Nanomaterials: Chemical Functionalization and Advanced Applications

edited by

Lin Wang

and

Jing Li

submission deadline 31 Dec 2025 | 3 articles | Viewed by 4319 | Submission Open

Keywords: low-dimensional materials; nanomaterials; surface characterization; chemical functionalization; surface spectroscopy; interface engineering; two-dimensional materials; surface modification; nanotechnology; surface reactivity

(This special issue belongs to the Section Materials Chemistry)

Cross-Coupling and Related Reactions: Past and New Reactions for the Future

edited by

Viktor Iaroshenko

and Satenik Mkrtchyan

submission deadline 31 Dec 2025 | 1 articles | Viewed by 4261 | Submission Open

Keywords: C-C- cross coupling reactions; C-C bond formation by transition metal catalysis; C-C bond formation by organocatalysis; C-C bond formation by photoredox catalysis; C-C bond formation by enzymatic catalysis; sustainability; green chemistry; new trends in C-C bond formation

(This special issue belongs to the Section Organic Chemistry)

Biological Evaluation of Plant Extracts

edited by

Rumyana Simeonova

submission deadline 31 Dec 2025 | 6 articles | Viewed by 4211 | Submission Open

Keywords: medicinal plants; phytochemistry; phytopharmacology; metabolomics; proteomics; cell signalization

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

Solar Energy Conversion and Information Interpretation Based on Novel Nanotechnologies

edited by

Ming-Yu Li

and

Sisi Liu

submission deadline 31 Dec 2025 | 2 articles | Viewed by 4073 | Submission Open

Keywords: catalytic materials and applications; solar cells; photodetection; materials synthesis and characterizations; materials theory and principles; nanostructures and nanomaterials; optoelectronic materials; photovoltaics photocatalysis materials; plasmonics and applications; sensors and applications

(This special issue belongs to the Section Materials Chemistry)

Exploring the Therapeutic Potential of Natural Antioxidants

edited by

Dong Wook Shin

submission deadline 31 Dec 2025 | 3 articles | Viewed by 4004 | Submission Open

Keywords: oxidant stress; antioxidants; age; age-related disease; natural plants; polyphenol; fermentation

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

Advances in Natural Fiber Composites

edited by

Pietro Russo

submission deadline 31 Dec 2025 | 1 articles | Viewed by 3907 | Submission Open

Keywords: natural fibers; polymer composites; natural fiber-reinforced polymers; heterogeneous structures; complex interfaces

(This special issue belongs to the Section Macromolecular Chemistry)

Magnetic Targeted Nanomaterials and Applications in Drug Delivery and Diagnostics

edited by

Athanasios Skouras

Sophia G. Antimisiaris

and

Alexandru Mihai Grumezescu

submission deadline 31 Dec 2025 | 3 articles | Viewed by 3835 | Submission Open

Keywords: magnetic targeting; theranostics; drug delivery; nanomaterials; magnetic hyperthermia

(This special issue belongs to the Section Nanochemistry)

BODIPYs: State of the Art and Future Perspectives

edited by

Jorge Bañuelos Prieto

and

Edurne Avellanal-Zaballa

submission deadline 31 Dec 2025 | 3 articles | Viewed by 3668 | Submission Open

Keywords: BODIPYs; spectroscopy; synthesis; quantum mechanics; tunable laser; bioimaging; photodynamic therapy; optoelectronics

(This special issue belongs to the Section Colorants)

Intermolecular Interaction Predictions for Large Molecular Systems

edited by

Shuhua Li

and Wei Li

submission deadline 31 Dec 2025 | 2 articles | Viewed by 3498 | Submission Open

Keywords: intermolecular interactions; low scaling quantum chemistry; machine learning; experimental techniques; computational predictions

(This special issue belongs to the Section Physical Chemistry)

Insight into Electrochemical and Photocatalysis/Photoelectrochemical Hydrogen Evolution

edited by

Yanxin Chen

submission deadline 31 Dec 2025 | 2 articles | Viewed by 3408 | Submission Open

Keywords: hydrogen evolution reactions (HER); hydrogen production; electrocatalysts (electrocatalysis); photocatalysts (photocatalysis); photoelectrochemical (PEC); energy conversion; (nano)materials

(This special issue belongs to the Section Materials Chemistry)

Innovations in Metal–Organic Frameworks: Their Synthesis, Properties and Multifaceted Applications

edited by

Francis Verpoort

and

Cheng-Xing Cui

submission deadline 31 Dec 2025 | 2 articles | Viewed by 3163 | Submission Open

Keywords: MOFs; heterogeneous catalysis; storage; adsorption; photocatalysis; fluorescent sensors; electronic devices

(This special issue belongs to the Section Materials Chemistry)

Anticancer Computational Drug Discovery: New Approaches, New Targets, and New Treatments

edited by

H. Andy Zhong

submission deadline 31 Dec 2025 | 1 articles | Viewed by 3032 | Submission Open

Keywords: anticancer; structure-based drug design; de novo drug design; artificial intelligence (AI); big data machine learning and virtual screening

(This special issue belongs to the Section Medicinal Chemistry)

Advances in Extraction, Biological Activity of Natural Products and Their Derivatives

edited by Ernesto Santoro and

Antonio Evidente

submission deadline 31 Dec 2025 | 3 articles | Viewed by 2964 | Submission Open

Keywords: novel extraction; absolute configuration; supercritical fluid; microwave-assisted extraction; natural products

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

Development and Application of Environmentally Friendly Surfactants

edited by Christina Vakh

submission deadline 31 Dec 2025 | 2 articles | Viewed by 2885 | Submission Open

Keywords: surfactants; green analysis; synthesis of sustainable surfactants; application of sustainable surfactants

(This special issue belongs to the Section Green Chemistry)

Nanomaterials in Photochemical Devices: Advances and Applications

edited by

Braulio García-Cámara

submission deadline 31 Dec 2025 | 3 articles | Viewed by 2789 | Submission Open

Keywords: nanomaterials; photochemistry; photocatalysis; nanoparticles; energy conversion; environmental remediation; biomedical applications; photoacoustic imaging

(This special issue belongs to the Section Photochemistry)

Zeolites and Related Materials

edited by Svetlana Mintova and Eddy Dib

submission deadline 31 Dec 2025 | 1 articles | Viewed by 2561 | Submission Open

Keywords: zeolites; crystal growth; structures; molecular interactions; diffusion; in situ

(This special issue belongs to the Section Materials Chemistry)

Functional Hybrid Materials via Sol–Gel Processing: Design and Properties

edited by

Erika Andrea Levei

submission deadline 31 Dec 2025 | 1 articles | Viewed by 2530 | Submission Open

Keywords: sol– gel synthesis; hybrid materials; biomedicine; encapsulation of biomolecules; catalysis; magnetic behavior; structural properties; thermal behavior

(This special issue belongs to the Section Materials Chemistry)

Ionic Liquids and Molecular Materials: Advances in Functional Interfaces and Applications

edited by

José C. S. Costa

and

Yuji Matsumoto

submission deadline 31 Dec 2025 | 3 articles | Viewed by 2479 | Submission Open

Keywords: ionic fluids; bulk properties; surface and interfacial properties; thin films; vacuum engineering; energy harvesting and storage; functional materials

(This special issue belongs to the Section Physical Chemistry)

New Horizons in Heterogeneous Catalysts: From Design to Applications

edited by

Xingkun Chen

Yuan Tan

and Ziang Zhao

submission deadline 31 Dec 2025 | 2 articles | Viewed by 2390 | Submission Open

Keywords: single-atom catalyst; nanocatalyst; heterogeneous catalyst; CO2; ester; alcohol; green chemistry

(This special issue belongs to the Section Green Chemistry)

Recent Advances in Organochalcogen Chemistry

edited by

Francesca Mangiavacchi

Damiano Tanini

and

Claudio Santi

submission deadline 31 Dec 2025 | 1 articles | Viewed by 2328 | Submission Open

Keywords: sulfur; selenium; tellurium; chalcogen bond; materials science; synthetic methodologies; catalysis; heterocycles; biomimetics

(This special issue belongs to the Section Organic Chemistry)

Advances in Electrochemical Nanocomposites

edited by

Bishweshwar Pant

and

Gunendra Prasad Ojha

submission deadline 31 Dec 2025 | 1 articles | Viewed by 2166 | Submission Open

Keywords: nanomaterials; nanocomposites; electrocatalysis; electrochemical properties

(This special issue belongs to the Section Applied Chemistry)

NUCLEO-OMICS24

edited by

Giovanni N. Roviello

and

Valentina Mittova

submission deadline 31 Dec 2025 | 1 articles | Viewed by 2147 | Submission Open

Keywords: dynamics of biomacromolecule-ligand interactions; photoactivatable polymeric nanoconstructs for unconventional therapies; NMR-based metabolomics for bioactive natural products; supramolecular architectures and multivalent tools in biomedical applications

(This special issue belongs to the Section Chemical Biology)

Molecular Spectroscopy and Computations of Solvation Phenomena of Bioorganic Molecules: New Insights and Applications

edited by

Teobald Kupka

and

Ioannis P. Gerothanassis

submission deadline 31 Dec 2025 | 2 articles | Viewed by 2110 | Submission Open

Keywords: bioorganic molecules; solvation phenomena; spectroscopic methods; quantum chemical methods

(This special issue belongs to the Section Bioorganic Chemistry)

Advances in European Medicinal Chemistry

edited by

Jorge A. R. Salvador

and

Thomas Mavromoustakos

submission deadline 31 Dec 2025 | 2 articles | Viewed by 2052 | Submission Open

Keywords: medicinal chemistry; drug design; natural compounds; synthesis and analysis; structure-activity relationships; biological screening; chemical biology and biological chemistry; biomaterials; excipients

(This special issue belongs to the Section Medicinal Chemistry)

G-quadruplexes in Chemical Biology and Drug Discovery

edited by

Stefano D’Errico

, Gennaro Piccialli and Maria Marzano

submission deadline 31 Dec 2025 | 1 articles | Viewed by 2029 | Submission Open

Keywords: DNA; G-quadruplex; telomeres; supramolecular chemistry; oligonucleotides; drug discovery; chemical biology

(This special issue belongs to the Section Medicinal Chemistry)

Chemopreventive Activity of Natural Products

edited by

Dimitrios Stagos

submission deadline 31 Dec 2025 | 2 articles | Viewed by 1972 | Submission Open

Keywords: plant extracts; natural compounds; antioxidants; anticancer; polyphenols; ROS-induced DNA damage

(This special issue belongs to the Section Medicinal Chemistry)

NMR Spectroscopy in Structural Biology and Drug Discovery Research

edited by

Marilisa Leone

Flavia Anna Mercurio

and

Marian Vincenzi

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1897 | Submission Open

Keywords: solution-NMR; in cell-NMR; solid state-NMR; NMR screening (small molecules and peptides); fragment-based drug discovery; SAR by NMR; ligand-based approaches; target-based approaches; protein-ligand interactions; peptides as drugs; epitope mapping; 19F NMR; chemical shift mapping

(This special issue belongs to the Section Bioorganic Chemistry)

Spectroscopic Insights into Innovative Materials

edited by Waldeci Paraguassu

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1776 | Submission Open

Keywords: spectroscopic techniques; materials science; electronic structure; chemical composition; surface analysis

(This special issue belongs to the Section Physical Chemistry)

Analysis of Pesticide Residues in Food and Environmental Samples

edited by

Xu Jing

and Xueke Liu

submission deadline 31 Dec 2025 | 2 articles | Viewed by 1729 | Submission Open

Keywords: analytical methods; green analytical chemistry; sample pretreatment; microextraction methods; detection techniques; quantitative determination; degradation pathways; metabolite analysis; toxicity evaluation

(This special issue belongs to the Section Analytical Chemistry)

Organometallic Chemistry in Europe

edited by

Gianpiero Cera

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1725 | Submission Open

Keywords: organometallic chemistry; complexes; metals; metal–carbon bonding; main group metals; transition metals; lanthanides; catalysis; ligands; metal chemistry; phosphines; N-heterocyclic carbenes; bipyridines; homogeneous catalysis; cross coupling; bond activation; ancillary ligands; photoredox catalysis; asymmetric catalysis; crystallography; spectroscopy; supramolecular chemistry; self-assembly; metal–organic assemblies; molecular architectures; supramolecular materials; chemosensors

(This special issue belongs to the Section Organometallic Chemistry)

Heavy Metal Pollutants in Water, Wastewater and Sediments: From Occurrence and Determination to Removal and Recovery

edited by

Maciej Thomas

Krzysztof Barbusiński

and

Tomáš Bakalár

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1574 | Submission Open

Keywords: heavy metals; analytical methods; wastewater; sludge; recycling; green chemistry; circular economy; sustainable development

(This special issue belongs to the Section Green Chemistry)

Chemical Approaches in Water Treatment: Environmental Toxicology and Hygiene Perspectives

edited by

Antonietta Siciliano

and

Lorenzo Saviano

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1458 | Submission Open

Keywords: water treatment technologies; environmental toxicology; hygiene practices; chemical contaminants; eco-friendly water treatment; public health safety; toxicological risk assessment; pollutant removal methods

(This special issue belongs to the Section Green Chemistry)

Recent Advances in Flame Retardant Polymeric Materials, 2nd Edition

edited by

Chao Ma

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1400 | Submission Open

Keywords: polymeric materials; flame retardants; synthesis; multifunctionality; mechanisms; nanocomposites

(This special issue belongs to the Section Materials Chemistry)

New Insights into Electrochemical Energy Storage and Conversion: Aqueous Rechargeable Batteries

edited by

Hongpeng Li

and Ruizheng Zhao

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1342 | Submission Open

Keywords: aqueous batteries; electrochemical reactions; electrode materials; electrolyte; regulation

(This special issue belongs to the Section Electrochemistry)

Displaying special issue 51-100 on page 2 of 24.

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