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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 of Ionic Liquids in Organic, Polymer and Material Chemistry: Key Trends in Green Chemistry: 2nd Edition

edited by

Pradip K. Bhowmik

submission deadline 31 Jan 2026 | Viewed by 103 | Submission Open

Keywords: ionic liquids; green solvents; catalysts; polymer synthesis; advanced materials; electrochemical devices; separation process; nano-materials; biomolecules

(This special issue belongs to the Section Green Chemistry)

Crystal Structures of Tricky, Unexpected, Labile or Difficult Molecular Structures by Diffraction Methods

edited by

Marco Milanesio

submission deadline 31 Jan 2026 | Viewed by 101 | Submission Open

Keywords: molecular structures; single-crystal diffraction; powder diffraction; unexpected reactions; labile compounds; intermediates; crystallography; molecular complexes; multi-technique approaches

(This special issue belongs to the Section Molecular Structure)

Emerging Trends in Microextraction Techniques for Bioanalytical Applications

edited by

Constantinos K. Zacharis

submission deadline 31 Jan 2026 | Viewed by 88 | Submission Open

Keywords: sorbent-based microextraction (i.e.; solid phase microextraction (SPME); matrix solid phase dispersion (MSPD); pipette-tip micro solid phase extraction; fabric sorptive phase extraction (FPSE); capsule phase microextraction (CPME); stir bar sorptive extraction (SBSE); etc.); liquid-phase microextraction (dispersive liquid– liquid microextraction; single-drop microextraction; electromembrane extraction; etc.); automation; new materials/sorbents (MOF; COFs; nanomaterials; conductive polymers; magnetic materials; etc.); miniaturization in sample preparation

(This special issue belongs to the Section Analytical Chemistry)

Innovative Green and Photochemical Approaches for Sustainable Organic Synthesis

edited by

Petros Gkizis

submission deadline 31 Jan 2026 | Viewed by 86 | Submission Open

Keywords: green chemistry; photochemistry; dual catalysis; photooxidation protocols; sustainable chemistry; material science; sustainable synthesis; green solvents; flow photochemistry; organic synthesis

(This special issue belongs to the Section Organic Chemistry)

Natural Products in Antibacterial Research of Plant and Food Extracts

edited by

Wirginia Kukula-Koch

and

Anna Malm

submission deadline 31 Jan 2026 | Viewed by 78 | Submission Open

Keywords: natural compounds; new antibacterials; extraction methods; chemistry; mechanism of action; food preservatives; anti-infectious agents; food-borne bacterial pathogens

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

Synthesis, Properties and Application of Five- and Six-Membered Heterocycles

edited by Lara Bianchi and

Massimo Maccagno

submission deadline 31 Jan 2026 | Viewed by 62 | Submission Open

Keywords: heterocycle synthesis; transition-metal catalysis; multicomponent reactions; structural characterization; computational chemistry; pharmacological activity; functional materials; benzofused heterocycles

(This special issue belongs to the Section Organic Chemistry)

Cutting-Edge Developments in Antimicrobial Drug Discovery and Design

edited by

Wanda Mączka

Anna Duda-Madej

and

Katarzyna Wińska

submission deadline 31 Jan 2026 | Viewed by 58 | Submission Open

Keywords: antimicrobial activity; multidrug resistance; antibiotic resistance; pathogenic strains; phytochemicals; organic synthesis; computational drugs design; molecular modeling

(This special issue belongs to the Section Medicinal Chemistry)

Research on Chemical Composition and Activity of Natural Products, 2nd Edition

edited by

Stela Dimitrova

Ana M. Dobreva

and

Petko Denev

submission deadline 31 Jan 2026 | Viewed by 54 | Submission Open

Keywords: natural bioactive compounds; isolation and analysis; metabolism; in vitro and in vivo experiments; pharmacological study

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

Analytical Studies of Bioactive Natural Products in Food

edited by

Constantinos Tsiafoulis

submission deadline 31 Jan 2026 | Viewed by 54 | Submission Open

Keywords: natural products; bioactive compound; food chemistry; spectroscopic analysis; analytical chemistry

(This special issue belongs to the Section Food Chemistry)

Exclusive Feature Papers in Electrochemistry—2nd Edition

edited by

Jacek Ryl

and

Tomasz Swebocki

submission deadline 31 Jan 2026 | Viewed by 43 | Submission Open

Keywords: electrochemical science; energy conversion; electrocatalysis; electrooxidation and electroreduction; (bio)sensors; corrosion science; environmental applications; new materials; green electrochemistry

(This special issue belongs to the Section Electrochemistry)

Featured Review on Essential Oils

edited by

Antoni Szumny

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

Keywords: essential oil; aromatic plant; GC-MS; bioactivity

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

Rare Earth Luminescent Materials and Complexes: Structure, Properties and Applications

edited by

Joana Zaharieva

Dimitar Todorovsky

and Vladimira S. Videva

submission deadline 31 Jan 2026 | Viewed by 35 | Submission Open

Keywords: rare earth elements; lanthanide complexes; luminescent materials; photophysical properties; upconversion; downshifting; coordination compounds; hybrid materials; optical materials; bioimaging; photonics; sensing; nanomaterials; structure– property relationships

(This special issue belongs to the Section Photochemistry)

Novel Electrode Materials for Rechargeable Batteries, 3rd Edition

edited by

Jian Peng

and

Xiaojie Yang

submission deadline 31 Jan 2026 | Viewed by 32 | Submission Open

Keywords: energy; batteries; electrode materials; synthesis; characterization; practical application

(This special issue belongs to the Section Electrochemistry)

Advanced Nanomaterials for Energy Storage Devices, 2nd Edition

edited by

Sudeshna Chandra

submission deadline 31 Jan 2026 | Viewed by 32 | Submission Open

Keywords: electrochemical energy storage; carbon nanomaterials; layered transition metal dichalcogenides; porous 1D nanomaterials; 2D transition metal carbides/nitride (MXene) nanomaterials; energy conversion and storage; fuel cells; batteries; flow batteries; supercapacitors; hydrogen production; storage and distribution; utilization of carbon dioxide

(This special issue belongs to the Section Inorganic Chemistry)

Battery Chemistry: Recent Advances and Future Opportunities, the Third Edition

edited by

Liwen Tan

and

Jianjun Zhang

submission deadline 31 Jan 2026 | Viewed by 26 | Submission Open

Keywords: electrochemistry; surface/interface chemistry; electrocatalytic reaction; oxygen reduction reaction; oxygen evolution reaction; quantum chemistry; materials chemistry; rechargeable batteries

(This special issue belongs to the Section Electrochemistry)

Progress in CO₂ Storage Materials

edited by

Liang Huang

and Tianshan Xue

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

Keywords: carbon capture and storage; mineral carbonation; CO2 sorbents; metal-organic frameworks; porous polymers; catalytic conversion

Recent Advances of Hydrogel Materials for Biomedical Applications

edited by

Tze Wen Chung

and

Maria del Carmen Morán

submission deadline 31 Jan 2026 | Viewed by 12 | Submission Open

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

(This special issue belongs to the Section Medicinal Chemistry)

Aroma and Volatile Compounds from Foods

edited by

Tao Feng

submission deadline 31 Jan 2026 | Viewed by 8 | Submission Open

Keywords: aroma compounds; volatile organic compounds (VOCs); food flavor; gas chromatography– mass spectrometry (GC-MS); odor activity value (OAV); food quality; food processing; sensory analysis

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

Design and Synthesis of Antimicrobial and Antiviral Agents: From Molecular Targets to Therapeutic Strategies

edited by

Sameh Abdelwahed

submission deadline 31 Jan 2026 | Viewed by 5 | Submission Open

Keywords: antimicrobial drug discovery; antiviral agents; structure-based design; resistance mechanisms; medicinal chemistry; target identification; lead optimization; synthetic methodology; mechanism of action; therapeutic strategies

(This special issue belongs to the Section Medicinal Chemistry)

Advances in Medicinal Chemistry for Age-Related Diseases

edited by

Maria João Matos

submission deadline 31 Jan 2026 | Viewed by 4 | Submission Open

Keywords: age-related diseases; neurodegenerative diseases; cardiovascular diseases; bioactive molecules; biomolecules; synthesis; computational studies; medicinal chemistry; chemical biology; drug discovery

(This special issue belongs to the Section Medicinal Chemistry)

Green Chemistry and Molecular Tools in Agriculture

edited by

Ewa Szpunar-Krok

and

Maria Czernicka

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

Keywords: sustainable agriculture; green chemistry; agri-food by-products; bioactive compounds; biostimulants; circular economy; molecular tools; eco-friendly agrochemicals; soil health; precision agriculture

(This special issue belongs to the Section Green Chemistry)

Computational Approaches in Drug Discovery and Design, 2nd Edition

edited by

Shijun Zhong

submission deadline 31 Jan 2026 | Viewed by 1 | Submission Open

Keywords: combined and integrated approaches in CADD; QM/MM and quantum chemical computations for protein–ligand binding; scoring function; binding free energy; target identification; molecular docking; molecular dynamics simulation; machine learning or deep learning; data fitting; database; pattern recognition; druglikeness; drug design or drug discovery

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

Excited State Dynamics, Photokinetics and Photochemistry

edited by

Mounir Maafi

submission deadline 15 Feb 2026 | Viewed by 37 | Submission Open

Keywords: photodegradation; excited-state properties; photocatalysis; photochromes; therapeutic photo-drugs; photokinetics; actinometry

Design, Fabrication, and Applications of Nano-Membrane Materials

edited by

Shuping Wu

and Minjia Meng

submission deadline 16 Feb 2026 | Viewed by 47 | Submission Open

Keywords: nanomembranes; membrane fabrication; separation; waste purification; nanomaterials; advanced materials

(This special issue belongs to the Section Applied Chemistry)

Quantum-Chemical Studies for Superspecies—in Celebration of Professor Jean-François Gal’s 80th Birthday

edited by

Ewa Raczyńska

submission deadline 20 Feb 2026 | 1 articles | Viewed by 456 | Submission Open

Keywords: structure of superspecies; neutral; ionic; and/or radical forms; isomerism; electron delocalization; energetic parameters of electron transfer; thermochemistry of proton transfer; quantum-chemical studies

Chromatographic Characterization of Food Using Analytical Methods

edited by

Hongyan Bi

submission deadline 27 Feb 2026 | Viewed by 7 | Submission Open

Keywords: food analysis; chromatography; gas chromatography; high-performance liquid chromatography (HPLC); sample preparation (SPE; SPME; derivatization); mass spectrometry; chemometrics; food authenticity and adulteration; green analytical chemistry; artificial intelligence

(This special issue belongs to the Section Food Chemistry)

Surface Modification of Materials and Their Applications

edited by

Yi Zhang

submission deadline 27 Feb 2026 | Viewed by 1 | Submission Open

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

(This special issue belongs to the Section Materials Chemistry)

Molecular Modeling: Advancements and Applications, 3rd Edition

edited by

Teobald Kupka

submission deadline 28 Feb 2026 | 5 articles | Viewed by 6570 | Submission Open

Keywords: quantum mechanics; molecular mechanics (MM); molecular dynamics (MD); semi-empirical calculations; Ab initio methods; post-Hartree– Fock methods; density functional theory (DFT); software development; achieving chemical accuracy; thermochemistry and reactivity; interaction energy; covalent bonding and non-covalent interactions; large molecular systems; IR; Raman; and NMR; drug design; nanomaterials and nanotechnology; material sciences

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

Chemiluminescence and Photoluminescence of Advanced Compounds

edited by

Beata Zadykowicz

and

Karol Krzyminski

submission deadline 28 Feb 2026 | 3 articles | Viewed by 3300 | Submission Open

Keywords: chemiluminescence; photoluminescence; luminescent molecules; luminescent probes; luminescent indicators; bioimaging; immunoassay; sensing; luminescence mechanism

(This special issue belongs to the Section Photochemistry)

Lignocellulosic Materials, 2nd Edition

edited by

Bruno Medronho

and

Hugo Duarte

submission deadline 28 Feb 2026 | 1 articles | Viewed by 2357 | Submission Open

Keywords: biomass valorization; biopolymers; lignocellulose; green chemistry; bio-based materials; environmental remediation

(This special issue belongs to the Section Materials Chemistry)

Advanced Nanomaterials for Fluorescence Imaging and Phototherapy

edited by Zhourui Xu and

Jiandong Huang

submission deadline 28 Feb 2026 | 1 articles | Viewed by 1248 | Submission Open

Keywords: phototheranostics; fluorescence imaging; photothermal therapy; photodynamic therapy; NIR-II region; nanoformulation

(This special issue belongs to the Section Materials Chemistry)

Molecular Insights into Bioluminescence and Chemiluminescence

edited by

Stefan Schramm

submission deadline 28 Feb 2026 | 1 articles | Viewed by 863 | Submission Open

Keywords: bioluminescence; chemiluminescence; chemical mechanism; luminescence; photophysics; photochemical processes; bioluminescent enzymes; luminescent sensing and imaging

(This special issue belongs to the Section Photochemistry)

Metal-Based Drugs: Past, Present and Future, 3rd Edition

edited by

Roxana Liana Lucaciu

and

Adriana Corina Hangan

submission deadline 28 Feb 2026 | 2 articles | Viewed by 467 | Submission Open

Keywords: metal-based drugs; synthesis; characterization; docking; biological activity; diagnosis; therapeutic tool

(This special issue belongs to the Section Chemical Biology)

Applied Innovative Insights in Selective Organic Hetero-Synthesis

edited by

Mircea Darabantu

and

Ionel Mangalagiu

submission deadline 28 Feb 2026 | Viewed by 299 | Submission Open

Keywords: hetarenes; hetero-alycycles; regioisomerism; diastereomerism; enantiomerism; biomimetics and new chemical entities (NCEs); “ intelligent” molecules

(This special issue belongs to the Section Organic Chemistry)

Synthesis and Spectroscopic Characterization of Organometallic Compounds

edited by

Jacek Nycz

submission deadline 28 Feb 2026 | Viewed by 222 | Submission Open

Keywords: catalytic activity; synthesis and reactivity; spectroscopy; reaction mechanism; structural and spectroscopic characterization; turnover number (abbreviated TON); electrochemistry

(This special issue belongs to the Section Organic Chemistry)

Biochemically Active Natural and Semisynthetic Products: Extraction, Characterization, and Application

edited by

Emmanoel Vilaça Costa

submission deadline 28 Feb 2026 | 1 articles | Viewed by 147 | Submission Open

Keywords: natural and semisynthetic products; extraction; isolation; and purification; identification and structural elucidation; biological properties; multidisciplinary applications

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

Natural Compounds for Disease and Health, 3rd Edition

edited by

George P.H. Leung

and

Jingjing Li

submission deadline 28 Feb 2026 | Viewed by 80 | Submission Open

Keywords: natural products; phytochemistry; structure– activity relationship; mechanisms of action; anti-aging; cancer; cardiovascular diseases; digestive diseases; endocrine disorders; immune diseases; infections; inflammation; liver diseases; metabolic diseases; musculoskeletal diseases; neurodegenerative diseases; pain; psychiatric diseases; renal diseases; respiratory diseases

(This special issue belongs to the Section Medicinal Chemistry)

Heterocyclic Bioactive Molecules: Structural Analysis and Innovative Applications in Medicinal Chemistry

edited by

Annamaria Martorana

submission deadline 28 Feb 2026 | Viewed by 54 | Submission Open

Keywords: heterocyclic compounds; drug design; AI machine learning; bioorthogonal chemistry; molecular imaging; small-molecule probes; PROTAC

(This special issue belongs to the Section Medicinal Chemistry)

Bioactive Compounds in Foods and Their By-Products

edited by

Irene Dini

submission deadline 28 Feb 2026 | Viewed by 39 | Submission Open

Keywords: circular economy; food analytical method; food analytical method validation; bioactives bioavailability; suitable agronomic technique; food toxicology

(This special issue belongs to the Section Food Chemistry)

Oxidative Stress and Antioxidants in Degenerative Conditions

edited by Eleni A. Rekka and

Panagiotis Theodosis-Nobelos

submission deadline 28 Feb 2026 | Viewed by 36 | Submission Open

Keywords: antioxidants; oxidative stress; chronic-degenerative diseases; hormonal imbalance; anti-inflammatory activity; multi-targeting compounds

(This special issue belongs to the Section Medicinal Chemistry)

Chemistry of Amino Acids, Peptides, and Proteins

edited by

Maksymilian Chruszcz

and Nicholas Truex

submission deadline 28 Feb 2026 | Viewed by 35 | Submission Open

Keywords: amino acids; peptides; proteins; synthesis; derivatives; characterization; structural studies; biophysical properties; natural products

(This special issue belongs to the Section Macromolecular Chemistry)

Chemical Biology in Europe

edited by

Steven Verhelst

and

Alessio Peracchi

submission deadline 28 Feb 2026 | Viewed by 29 | Submission Open

Keywords: chemical probes; bioorthogonal chemistry; chemical proteomics; target identification; probe-based visualization; PTM detection

(This special issue belongs to the Section Chemical Biology)

Sustainable Chemical Approaches for Wastewater Treatment and Resource Utilization

edited by Jingtao Bi and

Panpan Zhang

submission deadline 28 Feb 2026 | Viewed by 27 | Submission Open

Keywords: wastewater treatment; functional materials; green chemical processes; redox; adsorption; catalysis; membrane separation

(This special issue belongs to the Section Applied Chemistry)

Recent Advances in Radical Chemistry

edited by

Jia-Rong Chen

submission deadline 28 Feb 2026 | Viewed by 26 | Submission Open

Keywords: radical chemistry; radical cross-coupling; photocatalysis; electrochemical synthesis; transition metal catalysis

(This special issue belongs to the Section Organic Chemistry)

Functional Materials: Synthesis Strategies and Environmental Applications

edited by

Kunlei Wang

and

Zhishun Wei

submission deadline 28 Feb 2026 | Viewed by 17 | Submission Open

Keywords: environmental remediation; pollutant removal; materials chemistry; catalytic materials; environmental chemistry

(This special issue belongs to the Section Materials Chemistry)

Chiral Nanomaterials: Synthesis, Properties, and Applications

edited by

Changlong Hao

submission deadline 28 Feb 2026 | Viewed by 13 | Submission Open

Keywords: chiral nanomaterial; property; synthesis; application

(This special issue belongs to the Section Applied Chemistry)

Green Conversion of Polymeric and Textile Waste into Functional Materials

edited by

Anastasia Anceschi

and

Gjylije Hoti

submission deadline 28 Feb 2026 | Viewed by 6 | Submission Open

Keywords: green chemistry; polymer conversion; textile waste valorization; plastic management; resource recovery; recycling; upcycling; functional materials

(This special issue belongs to the Section Green Chemistry)

Analytical Technologies and Intelligent Applications in Future Food

edited by

Changwei Hsieh

, Chunhuan Liu, Shipeng Yin and Xiuhang Chai

submission deadline 28 Feb 2026 | Viewed by 5 | Submission Open

Keywords: artificial intelligence (AI) in food chemistry; machine learning for food analysis; intelligent sensing systems for food; food quality; safety; and authenticity; non-targeted screening in food; detection of food adulteration and contaminants; big data analytics in food science; smart food processing and quality control

(This special issue belongs to the Section Food Chemistry)

Gemini Surfactant Application Studies

edited by Iwona Kowalczyk and

Bogumil E. Brycki

submission deadline 1 Mar 2026 | Viewed by 43 | Submission Open

Keywords: gemini surfactants; biological activity; physicochemical analysis; smart material

(This special issue belongs to the Section Applied Chemistry)

Magnetic Resonance in Food Analysis, 2nd Edition

edited by

Luiz Alberto Colnago

and

Flávio Vinícius Crizóstomo Kock

submission deadline 15 Mar 2026 | Viewed by 200 | Submission Open

Keywords: NMR spectroscopy; relaxometry; pulse sequences; molecular interactions; diffusion; imaging; foods

(This special issue belongs to the Section Food Chemistry)

Displaying special issue 851-900 on page 18 of 20.

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