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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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Advances in Emerging Photovoltaic: From Materials and Devices to Modules

edited by

Guilong Cai

submission deadline 30 Sep 2026 | 3 articles | Viewed by 2219 | 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 | 3 articles | Viewed by 2189 | 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)

Advanced Materials and Surface Engineering for Sustainable Functional Coatings

edited by

Omid Sharifahmadian

submission deadline 30 Sep 2026 | 3 articles | Viewed by 2111 | Submission Open

Keywords: corrosion resistance; self-cleaning; antireflective; conductivity; wear resistance

(This special issue belongs to the Section Materials Chemistry)

Synthesis and Application of 1,2,3-Triazole Derivatives

edited by

Yubo Jiang

and

Guiping Qin

submission deadline 30 Sep 2026 | 2 articles | Viewed by 2091 | Submission Open

Keywords: 1,2,3-triazoles; synthesis; modification; transannulation; application

(This special issue belongs to the Section Organic Chemistry)

Recent Advances in Fragment-Based Drug Discovery

edited by

Congbao Kang

and Weijun Xu

submission deadline 30 Sep 2026 | 1 articles | Viewed by 2055 | Submission Open

Keywords: fragment-based screening; fragment-based drug design; structure biology; drug discovery; protein–ligand interactions; structure-based drug design; computation-based drug design; AI-guided drug discovery

(This special issue belongs to the Section Medicinal Chemistry)

Molecules Targeting the Human Microbiome: Natural Products, Metabolites and Mechanisms

edited by

Juliana Garcia

and

Irene Gouvinhas

submission deadline 30 Sep 2026 | 2 articles | Viewed by 1970 | Submission Open

Keywords: human microbiome; microbial metabolites; bioactive molecules; microbiomes

Bioactive Compounds in Food and Cosmetics Processing

edited by Katarzyna Grzelak-Błaszczyk and

Anna Sykuła

submission deadline 30 Sep 2026 | 2 articles | Viewed by 1844 | Submission Open

Keywords: bioactive compounds; polyphenols; food processing; cosmetics processing; nutricosmetics; structural elucidation; structure–activity relationships

Biocatalytic Platforms Towards Synthesis and Degradation Processes

edited by

Ewa Zymańczyk-Duda

Małgorzata Brzezińska-Rodak

and

Magdalena Klimek-Ochab

submission deadline 30 Sep 2026 | 2 articles | Viewed by 1833 | Submission Open

Keywords: biotechnology; bioconversions; biodegradations; green chemistry

(This special issue belongs to the Section Bioorganic Chemistry)

New Materials for Gas Capture and Conversion

edited by Jie Xu and Yuandong Yang

submission deadline 30 Sep 2026 | 1 articles | Viewed by 1781 | Submission Open

Keywords: gas capture; gas conversion; novel sorbents; efficient catalysts; kinetic modelling; thermodynamic analysis; process simulation

(This special issue belongs to the Section Materials Chemistry)

Porphyrin-Based Compounds: Synthesis and Application, 3rd Edition

edited by

Carlos Monteiro

M. Amparo F. Faustino

and

Carlos Serpa

submission deadline 30 Sep 2026 | 1 articles | Viewed by 1767 | Submission Open

Keywords: synthesis of porphyrins and derivatives; functionalization/structural modification of porphyrinoids; structural and photophysical characterization; porphyrinic functional materials; biomedical applications optoelectronic applications; porphyrin–protein interactions

(This special issue belongs to the Section Organic Chemistry)

Synthesis and Characterization of Functional Materials for Electrochemical Energy Storage and Conversion—2nd Edition

edited by Feifei Wang

submission deadline 30 Sep 2026 | 1 articles | Viewed by 1763 | Submission Open

Keywords: energy storage and conversion; electrochemical systems; batteries; hydrogen; supercapacitors; CO2 conversion

Analysis and Biological Evaluation of Bioactive Compounds from Natural Sources, 3rd Edition

edited by

Luana Pulvirenti

and Rosanna Avola

submission deadline 30 Sep 2026 | 3 articles | Viewed by 1733 | Submission Open

Keywords: natural products; natural product chemistry; polyphenols; vegetable extract profiling; herbal medicine; phytochemicals; biological applications of natural products; mechanism of action

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

Research on Food Packaging Materials: Development of Innovative Polymers and Analytical Characterization

edited by

Nicoletta De Vietro

and

Jolanda Palmisani

submission deadline 30 Sep 2026 | 1 articles | Viewed by 1636 | Submission Open

Keywords: food packaging materials; chemical contamination; analytical characterization; food preservative properties; innovative polymers

(This special issue belongs to the Section Materials Chemistry)

Advances in Catalytic Conversion of Biomass-Derived Molecules

edited by

Qidong Hou

submission deadline 30 Sep 2026 | 2 articles | Viewed by 1623 | Submission Open

Keywords: biomass; heterogeneous catalysis; hydrolysis; isomerization; dehydration; fructose; 5-hydroxymethylfurfural; 5-ethoxymethylfurfural

(This special issue belongs to the Section Green Chemistry)

Polymeric Nano-Based Drug Delivery Systems

edited by

René Darío Peralta-Rodríguez

submission deadline 30 Sep 2026 | 2 articles | Viewed by 1601 | Submission Open

Keywords: nanotechnology; polymers; biopolymers; drug delivery; encapsulation; essential oils; blood-brain barrier

(This special issue belongs to the Section Macromolecular Chemistry)

From Medicinal Plants to Bioactive Molecules in Drug Discovery: Phytochemical Profiling, Pharmacological Activity, and Drug Interactions

edited by

Manuela Bianca Pasca

and Daniela Gitea

submission deadline 30 Sep 2026 | 2 articles | Viewed by 1541 | Submission Open

Keywords: medicinal plants; natural products; bioactive molecules; phytochemical profiling; pharmacological activity; plant–drug interactions; translational pharmacology

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

New Approaches in the Extraction of Biomolecules from Plants–Molecular and Application Basics, 2nd Edition

edited by

Maciej Strzemski

and

Sławomir Dresler

submission deadline 30 Sep 2026 | 2 articles | Viewed by 1509 | Submission Open

Keywords: plant secondary metabolites; biologically active compounds; design of experiments; natural deep eutectic solvents; ionic liquids; micro- and nano-solid phase extraction; accelerated solvent extraction; supercritical fluid extraction; single-drop extraction

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

Recent Advances in Analytical Methods for Drug Analysis

edited by

Anna Gumieniczek

submission deadline 30 Sep 2026 | 2 articles | Viewed by 1456 | Submission Open

Keywords: advances in analytical techniques; PAT and miniaturization; green chemistry; chemometrics and AI-based tools; new bioactive compounds, organic and biological drugs; organic and elemental impurities; enantiomers; metabolites and biomedical analysis

(This special issue belongs to the Section Analytical Chemistry)

Green Chemistry in China: Advancing Sustainable Science for a Better World, 2nd Edition

edited by

Hui Ding

and Sihui Zhan

submission deadline 30 Sep 2026 | 2 articles | Viewed by 1384 | Submission Open

Keywords: sustainable catalysis; green processes; green energy; green materials; green remediation processes; environmental catalysis; degradation of micropollutants; synthetic biology approaches; enzyme; biocatalysis; normal temperature catalysis; biomimetic catalysis; photocatalysis; solvent-free reactions; process intensification; atomic active site catalysis; biotechnology; carbon neutrality

(This special issue belongs to the Section Green Chemistry)

Agricultural and Food Residues: Treatment and Valorization of By-Products and Wastes

edited by

Dimitris Sarris

and Zacharias Ioannou

submission deadline 30 Sep 2026 | 2 articles | Viewed by 1316 | Submission Open

Keywords: agri-food waste management; valorization processes; waste treatment technologies; bioconversion and fermentation; extraction and purification methods; bio-based materials and products; nutrient and resource recovery; process optimization; sustainable food systems

(This special issue belongs to the Section Green Chemistry)

Synthesis and Properties of Heterocyclic Compounds: Recent Advances—2nd Edition

edited by

Maria João Queiroz

submission deadline 30 Sep 2026 | 1 articles | Viewed by 1313 | Submission Open

Keywords: heterocyclic compounds; synthesis; applications; biological activity

(This special issue belongs to the Section Organic Chemistry)

Nitrogen-Containing Heterocyclic Compounds in Drug Design: Synthesis, Characterization, and Biological Activity

edited by

Anita Kornicka

and

Łukasz Balewski

submission deadline 30 Sep 2026 | 2 articles | Viewed by 1275 | Submission Open

Keywords: nitrogen heterocycles; synthesis; structure; biological activity; drug development; drug candidates; in silico research; computer-aided drug design; medicinal chemistry

(This special issue belongs to the Section Medicinal Chemistry)

Floral/Bee-Collected Pollen: Chemical Characterization, Nutritional Properties, Functionality, Bioactivity, and Pharmaco-Medical Applications

edited by

Aleksandar Ž. Kostić

submission deadline 30 Sep 2026 | 1 articles | Viewed by 1266 | Submission Open

Keywords: pollen; nutrients; bioactive compounds; analytical techniques; phenolics; carotenoids; phenylamides; application

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

Biodegradable Polymers in Biological Application

edited by

Hernane S. Barud

and

Mariana Pires Figueiredo

submission deadline 30 Sep 2026 | 2 articles | Viewed by 1255 | Submission Open

Keywords: natural polymers; synthetic polymers; controlled degradation; compositional and structural modifications; processing

(This special issue belongs to the Section Macromolecular Chemistry)

Recent Advances of Hydrogel Materials for Biomedical Applications

edited by

Tze Wen Chung

and

Maria del Carmen Morán

submission deadline 30 Sep 2026 | 2 articles | Viewed by 1245 | Submission Open

Keywords: hydrogels; biomedical applications; hydrogel synthesis; tissue engineering; drug delivery systems

(This special issue belongs to the Section Medicinal Chemistry)

Molecular Design and Ion Transport Mechanisms in Polymer Electrolytes

edited by Faezeh Makhlooghiazad

submission deadline 30 Sep 2026 | 1 articles | Viewed by 1184 | Submission Open

Keywords: polymer electrolytes; ion transport mechanisms; single-ion conductors; polymerised ionic liquids; zwitterionic additives; mixed-anion electrolytes; solid-state batteries; proton-conducting membranes; ionomers; proton-exchange membrane fuel cells; interfacial stability

(This special issue belongs to the Section Electrochemistry)

High-Entropy Oxides as Functional Chemical Systems: Disorder by Design

edited by

Igor Djerdj

and

Dalibor Tatar

submission deadline 30 Sep 2026 | 1 articles | Viewed by 1173 | Submission Open

Keywords: high entropy oxides; high entropy materials; catalysis; electrocatalysis; heterogeneous catalysis, photocatalysis; magnetic properties; supercapacitors; functional materials

(This special issue belongs to the Section Materials Chemistry)

Theoretical Investigations of Organic Reactions: Mechanisms and Kinetics

edited by

Svetlana R. Jeremić

submission deadline 30 Sep 2026 | 2 articles | Viewed by 1170 | Submission Open

Keywords: organic reaction mechanisms; organic reaction kinetics; organic reaction thermodynamic; quantum mechanics; molecular dynamics; molecular docking

(This special issue belongs to the Section Computational and Theoretical Chemistry)

Expanding Natural Product Collections: From Diverse Biological and Food Sources to Innovative Structures

edited by

Francesca Ghirga

and

Silvia Cammarone

submission deadline 30 Sep 2026 | 1 articles | Viewed by 1102 | Submission Open

Keywords: natural product collections; targeted and untargeted metabolomics; synthetic and semi-synthetic derivatives; bioassay-guided isolation; structure elucidation; cheminformatics in natural product research; natural product-inspired drug and nutraceutical discovery; food and medicinal plant chemistry

(This special issue belongs to the Section Natural Products 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 | 1 articles | Viewed by 1061 | 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)

Advances in QuEChERS-Based Methodologies for Multiresidue Analysis

edited by

Mikel Añibarro-Ortega

and

José Pinela

submission deadline 30 Sep 2026 | 1 articles | Viewed by 1040 | Submission Open

Keywords: QuEChERS methodology; multiresidue analysis; sample preparation; emerging contaminants; LC-MS/MS and GC-MS/MS; method validation and standardization; green chemistry approaches; complex matrices

(This special issue belongs to the Section Analytical Chemistry)

Advances in the Synthesis of Natural Bioactive Compounds

edited by Honglei Liu

submission deadline 30 Sep 2026 | 1 articles | Viewed by 999 | Submission Open

Keywords: natural bioactive compounds; synthesis; biosynthesis

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

Advanced Materials for Efficient Adsorption and Separation

edited by

Karolina Wieszczycka

submission deadline 30 Sep 2026 | 1 articles | Viewed by 981 | Submission Open

Keywords: adsorption; separation; remediation; MOF; carbon-based nanomaterials; silica and metal silicate nanomaterials; polymer and biopolymer sorbents and membranes; nanocomposite

(This special issue belongs to the Section Materials Chemistry)

Carbon Dots Conundrum: Structures, Properties and Application of Quasi-Zero Dimensional Materials

edited by

Mattia Bartoli

submission deadline 30 Sep 2026 | 1 articles | Viewed by 980 | Submission Open

Keywords: carbon dots; graphene quantum dots; carbon nitride dots; polymeric carbon dots; fluorescence; biomedical applications

(This special issue belongs to the Section Materials Chemistry)

Potentially Toxic Elements in Contaminated Water: Green Remediation Strategies

edited by

Mery Malandrino

and

Stefano Bertinetti

submission deadline 30 Sep 2026 | 1 articles | Viewed by 967 | Submission Open

Keywords: potentially toxic elements; waters; wastewaters; green remediation strategies; pollution; water quality

(This special issue belongs to the Section Green Chemistry)

Green Organic Synthesis: Innovations for a Sustainable Future

edited by

Lu Liu

submission deadline 30 Sep 2026 | 1 articles | Viewed by 939 | Submission Open

Keywords: sustainability; organic synthesis; green chemistry; precise synthesis; chemoselectivity; regioselectivity; enantioselectivity; catalysis

(This special issue belongs to the Section Organic Chemistry)

Functional Evaluation of Natural Products Using Traditional, Alternative, and Emerging Animal Models

edited by

Liqing Zang

submission deadline 30 Sep 2026 | 1 articles | Viewed by 889 | Submission Open

Keywords: natural products; animal models; traditional and alternative models; emerging model organisms; functional evaluation; phenotype-based screening; translational pharmacology

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

Food Chemistry in Europe, 2nd Edition

edited by

and

submission deadline 30 Sep 2026 | Viewed by 869 | Submission Open

Keywords: food chemistry; food process; food additives; food analysis; food safety; metabolomics; data analytics

(This special issue belongs to the Section Food Chemistry)

Recent Advances in Development of Small Molecules to Fight Cancer—3rd Edition

edited by

Carlotta Granchi

and

Giulia Bononi

submission deadline 30 Sep 2026 | 1 articles | Viewed by 800 | Submission Open

Keywords: medicinal chemistry; drug discovery; anti-cancer drugs, natural products; synthetic compounds; synthesis, biological evaluation; cancer treatment

(This special issue belongs to the Section Medicinal Chemistry)

Functional Adsorption Materials for Catalytic Degradation in Pollution Chemistry

edited by

Chirangano Mangwandi

submission deadline 30 Sep 2026 | 1 articles | Viewed by 764 | Submission Open

Keywords: adsorptive catalysis; pollutant degradation; functional meterials; environmental remediation; hybride adsorbents; water and air purification

(This special issue belongs to the Section Applied Chemistry)

Theoretical and Computational Studies of Condensed-Matter Systems

edited by

Hassan Chamati

submission deadline 30 Sep 2026 | 1 articles | Viewed by 759 | Submission Open

Keywords: theoretical condensed-matter physics; computational materials science; quantum matter; quantum theory; spintronics; strongly correlated systems; phase transitions; superconductivity; magnetism; phase transitions

(This special issue belongs to the Section Physical Chemistry)

Current Progress and Challenges of Aqueous Batteries

edited by

Yi Liu

and Huibo Wang

submission deadline 30 Sep 2026 | 1 articles | Viewed by 750 | Submission Open

Keywords: aqueous batteries; energy storage and conversion; metal-ions; ammonium-ions; flow batteries; electrocatalysis; fuel cells; lead-acid; cathode modification; anode modification; electrolyte; electrode protection

(This special issue belongs to the Section Electrochemistry)

Metal Complexes in Catalysis and Biological Applications

edited by

John J. Hurtado

and Edgar Nagles

submission deadline 30 Sep 2026 | 1 articles | Viewed by 732 | Submission Open

Keywords: metal complexes; synthesis and characterization; catalysis; biological activity; DFT; crystal structure

(This special issue belongs to the Section Inorganic Chemistry)

Synthesis of Organic Ligands and Their Metal Complexes in Medicinal Chemistry—2nd Edition

edited by

Alessia Catalano

submission deadline 30 Sep 2026 | 1 articles | Viewed by 719 | Submission Open

Keywords: medicinal chemistry; biologically active compounds; new synthetic methodologies; theoretical, analytical and physicochemical characterization; drug discovery; pharmacological activity; structure-activity relationships

(This special issue belongs to the Section Medicinal Chemistry)

New Therapeutic Tools Against MDR Tumors: Discovery, Synthesis and Evaluation of Bioactive Compounds: 2nd Edition

edited by

Antonia Antoniou

Constantinos Athanassopoulos

and

Michail Christodoulou

submission deadline 30 Sep 2026 | 1 articles | Viewed by 708 | Submission Open

Keywords: cancer chemotherapy; multi-drug resistance (MDR); design and synthesis of MDR reversing agents; structure-activity relationship studies; MDR active targeting; hybrids and conjugates; drug repurposing; modulators/inhibitors of MDR transporters

(This special issue belongs to the Section Medicinal Chemistry)

Coordination Chemistry of d- and p-Block Metal Pnictides, Chalcogenides, and Halides

edited by

Robert D. Pike

and

Joshua Telser

submission deadline 30 Sep 2026 | 1 articles | Viewed by 655 | Submission Open

Keywords: coordination complexes; transition metals; main group metals; halides; chalcogenides; pnictides; bioinorganic compounds; photonic compounds; crystal structures; bandgap

(This special issue belongs to the Section Inorganic Chemistry)

Research on Crystal Structures of Metal Complexes

edited by

Takashiro Akitsu

submission deadline 30 Sep 2026 | Viewed by 626 | Submission Open

Keywords: coordination chemistry; metal complexes; organic ligands; crystal structure analysis; structural chemistry

(This special issue belongs to the Section Inorganic Chemistry)

Analytical Strategies for Food Authentication and Traceability

edited by

Banu Özen

and

Figen Tokatli

submission deadline 30 Sep 2026 | 1 articles | Viewed by 613 | Submission Open

Keywords: food characterization; authentication; frauds detection; analytical strategies

(This special issue belongs to the Section Analytical Chemistry)

Feature Papers in Macromolecular Chemistry, 2nd Edition

edited by

Pietro Russo

Sonia Trombino

and

Roberta Cassano

submission deadline 30 Sep 2026 | 1 articles | Viewed by 600 | Submission Open

Keywords: synthesis and application of novel polymers; controlled/living polymerization; polymerization mechanisms and kinetics; supramolecular polymers and self-assembly; polymer recycling and degradation

(This special issue belongs to the Section Macromolecular Chemistry)

Advances in High-Performance Liquid Chromatography and Novel Applications

edited by

Adriana Arigò

Petr Česla

and

Emanuela Trovato

submission deadline 30 Sep 2026 | Viewed by 599 | Submission Open

Keywords: HPLC; mass spectrometry; fundamentals; stationary phase; artificial intelligence; sampling; sample preparation; hyphenation; hyphenated techniques; green chemistry

(This special issue belongs to the Section Analytical Chemistry)

Displaying special issue 301-350 on page 7 of 28.

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