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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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Photochemical Attenuation of Contaminants

edited by

Davide Vione

submission deadline 30 Sep 2026 | Viewed by 28 | Submission Open

Keywords: contaminants of emerging concern; light-induced processes; photochemical decontamination; water photochemistry; atmospheric photochemistry; photosensitized reactions

(This special issue belongs to the Section Photochemistry)

Carbohydrate Chemistry and Synthesis: Innovative Antibacterial Solutions

edited by

Barbara Dmochowska

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

Keywords: glycosynthesis; structural analysis of carbohydrates; chemical properties of carbohydrates; carbohydrate biology research

(This special issue belongs to the Section Chemical Biology)

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

edited by

Aleksandar Ž. Kostić

submission deadline 30 Sep 2026 | Viewed by 26 | Submission Open

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

(This special issue belongs to the Section Natural Products 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 | Viewed by 22 | 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)

Next-Generation Degradation Pathways for Plastics

edited by

Wael S. Hamd

and

Joydeep Dutta

submission deadline 30 Sep 2026 | Viewed by 22 | Submission Open

Keywords: photocatalysis; Fenton; advanced oxidation; catalytic depolymerization; toxicity studies; reaction by products

(This special issue belongs to the Section Green Chemistry)

Recent Progress in the Synthesis and Applications of Photocatalysts: Environmental and Energy Applications

edited by Alexandra Ioannidi,

Athanasia Petala

and

Dionissios Mantzavinos

submission deadline 30 Sep 2026 | Viewed by 21 | Submission Open

Keywords: photocatalysts; photocatalytic technologies; water and wastewater treatment; degradation of emerging contaminants; hydrogen production; CO₂ reduction; solar-to-chemical energy conversion

(This special issue belongs to the Section Photochemistry)

Emerging Functional Materials for Next-Generation Optoelectronic Devices

edited by

Kavya Keremane

and Bed R. Poudel

submission deadline 30 Sep 2026 | Viewed by 17 | Submission Open

Keywords: functional materials; perovskites; quantum materials; two-dimensional (2D) materials; organic/inorganic semiconductors; interface engineering; light– matter interaction; computational and machine learning-driven materials design

(This special issue belongs to the Section Materials 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 126 | 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)

Biomarker for Molecular-Targeted Cancer Therapy

edited by Sae-Ock Oh

submission deadline 10 Oct 2026 | Viewed by 23 | Submission Open

Keywords: biomarkers; chemical biology; targeted cancer therapy; molecular mechanisms; small-molecule probes; druggable pathways; precision oncology

(This special issue belongs to the Section Chemical Biology)

Microfluidics: Applications for Analytical Purposes in Chemistry

edited by

Jiao Zhai

and

Yanwei Jia

submission deadline 15 Oct 2026 | Viewed by 60 | Submission Open

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

(This special issue belongs to the Section Analytical Chemistry)

Phenolic Compounds from Plants

edited by

Concepción Pérez-Lamela

and

Pawel Gornas

submission deadline 16 Oct 2026 | Viewed by 23 | Submission Open

Keywords: phenolic compounds; analytical methods; chemical structure; biological activities; bioavailability

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

Emerging Contaminants in Environmental and Biological Systems: Analytical Challenges and Solutions

edited by

Agnese Giacomino

and

Paolo Inaudi

submission deadline 30 Oct 2026 | Viewed by 72 | Submission Open

Keywords: emerging contaminants; trace analysis; new analytical methods and techniques; food; environmental matrices; sample preparation

(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 18633 | 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 11825 | 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 6150 | 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)

Recent Advances in Catalysts for Biomass Conversion

edited by

Minghao Li

and Chunlin Chen

submission deadline 31 Oct 2026 | 1 articles | Viewed by 3072 | Submission Open

Keywords: biomass utilization; biomass platform chemicals; lignocellulose model compounds; catalysis; bio-based materials

Advanced Oxidation of Emerging Pollutants in Water

edited by Rongfang Yuan

submission deadline 31 Oct 2026 | 1 articles | Viewed by 2147 | Submission Open

Keywords: advanced oxidation; photocatalytic oxidation; photoelectrocatalytic processes; ultrasonic irradiation; peroxymonosulfate activation; emerging pollutants; water treatment

(This special issue belongs to the Section Green Chemistry)

Development of Food Packaging Materials, 2nd Edition

edited by

Michael Kontominas

submission deadline 31 Oct 2026 | 2 articles | Viewed by 656 | Submission Open

Keywords: plastics; glass; metals; paper/paperboard; biodegradable materials; recyclable materials; active and Intelligent materials; nanomaterials in packaging

(This special issue belongs to the Section Materials Chemistry)

Neurochemistry: Recent Advances and Future Opportunities in Antidepressants and Mood Stabilizers

edited by

Simona Dedoni

submission deadline 31 Oct 2026 | Viewed by 249 | Submission Open

Keywords: neurochemistry; antidepressants; mood stabilizers; neurotransmitters; neuroplasticity; biomarkers; inflammation and mood disorders; personalized medicine; rapid-acting therapeutics; mechanisms of action

(This special issue belongs to the Section Medicinal Chemistry)

Exploration of Organometallic Materials and Beyond for Sustainable Energy Applications

edited by

Zhen Zhang

and

Miao Zhang

submission deadline 31 Oct 2026 | Viewed by 144 | Submission Open

Keywords: metal complex; metallated polymer; organometallic materials; non-fullerene acceptor; triplet exciton; charge transfer; organic optoelectronic devices; organic photovoltaics; thick-film solar cell

(This special issue belongs to the Section Materials Chemistry)

Targeting Cell Signaling Pathways in Drug Discovery

edited by

Jessica Ceramella

submission deadline 31 Oct 2026 | Viewed by 104 | Submission Open

Keywords: targeted therapy; non-communicable diseases; enzymes; synthetic compounds; natural extracts; molecular modeling; chemically modified drugs; cellular key targets

(This special issue belongs to the Section Chemical Biology)

Discovering the Pharmacological and Medicinal Potentials of Plant Flavonoids and Other Polyphenols from Nature

edited by

Duangjai Tungmunnithum

submission deadline 31 Oct 2026 | Viewed by 96 | Submission Open

Keywords: flavonoids; polyphenols; natural product; anti-aging; anti-oxidative stress; anti-cancer; pharmacological activity; medical application

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

Featured Reviews on Bioactive Flavour and Fragrance Compounds, 2nd Edition

edited by

Riccardo Petrelli

submission deadline 31 Oct 2026 | Viewed by 68 | Submission Open

Keywords: essential oils; agriculture; food; formulations; crop protection; insecticides; extraction techniques; chemical characterization; biological activity

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

Starch: Chemistry, Technology, and Application—2nd Edition

edited by

Xu Lu

submission deadline 31 Oct 2026 | Viewed by 65 | Submission Open

Keywords: starch modification; starch complexes; resistant starch; digestibility; precision nutrition; green technology; structure– function relationship

(This special issue belongs to the Section Food Chemistry)

Trends in Biosensors for Biomedical Applications

edited by

Magdalena Stobiecka

and

Katarzyna Ratajczak

submission deadline 31 Oct 2026 | Viewed by 64 | Submission Open

Keywords: optical biosensors (SPR; SERS; fluorescence; colorimetric); electrochemical biosensors; nanogravimetric biosensors; immunosensors; DNA-based biosensors; aptamer-based biosensors; exosomal biomarkers; enzymatic-biosensors

(This special issue belongs to the Section Chemical Biology)

Featured Review in Wine Chemistry

edited by

Fernando M. Nunes

Fernanda Cosme

and

Luís Filipe-Ribeiro

submission deadline 31 Oct 2026 | Viewed by 53 | Submission Open

Keywords: wine chemistry; review; wine flavors; polyphenols; sensory; analytical techniques

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

Phytochemicals and Their Anti-Inflammatory and Antioxidant Properties

edited by

Agnieszka Nawirska-Olszańska

and

Joanna Kolniak-Ostek

submission deadline 31 Oct 2026 | Viewed by 50 | Submission Open

Keywords: bioactive components; plant extracts; functional food; polyphenols; carotenoids; organic acids; vitamins

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

New Research on Novel Photo-/Electrochemical Materials—2nd Edition

edited by

Liangliang Feng

and

Yipu Liu

submission deadline 31 Oct 2026 | Viewed by 48 | Submission Open

Keywords: photo-/electrochemistry; water splitting; fuel cell; zinc air battery; nitrogen reduction reaction; CO2 reduction reaction; photocatalytic degradation; gas sensor

(This special issue belongs to the Section Materials Chemistry)

Computational Approaches for Drug and Protein Design

edited by

and

submission deadline 31 Oct 2026 | Viewed by 44 | Submission Open

Keywords: computational drug design; molecular docking and molecular dynamics simulations; generative-AI and machine learning in drug discovery; protein structure prediction; ligand-based/structure-based drug discovery; biomolecular modelling

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

Research Progress of New Antimicrobial Drugs—2nd Edition

edited by

Monika Wujec

Urszula Kosikowska

and

Sylwia Andrzejczuk

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

Keywords: synthesis of new antimicrobials; bioactive compounds; antimicrobial derivatives; synthetic and natural compounds; pathogens and opportunistic microbes; prevention and treatment; antibiofilm; discovery of antimicrobials

(This special issue belongs to the Section Medicinal Chemistry)

Advances in Nanocomposites and Functional Textiles for Environmental and Biomedical Applications

edited by

Azam Ali

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

Keywords: nanocomposites; functional textiles; smart and responsive materials; electrospinning and advanced fabrication; green nanomaterials; environmental remediation; antimicrobial and biocompatible fabrics; wearable and biomedical textiles; energy harvesting and sensing applications; sustainable textile engineering

(This special issue belongs to the Section Materials Chemistry)

Intramolecular Hydrogen Bonds

edited by

Xuefeng Wang

submission deadline 31 Oct 2026 | Viewed by 27 | Submission Open

Keywords: intramolecular hydrogen bonds; intramolecular proton transfer; charge-assisted hydrogen bonding; molecular conformation; supramolecular chemistry

(This special issue belongs to the Section Physical Chemistry)

Recent Advances in Biocatalysis

edited by

Raffaele Saladino

and

Eliana Capecchi

submission deadline 31 Oct 2026 | Viewed by 25 | Submission Open

Keywords: enzymatic cascade reactions; artificial metabolism and minimal systems; hybrid chemoenzymatic catalysis; enzyme immobilization and nanostructured supports; sustainable and green biocatalysis

(This special issue belongs to the Section Bioorganic Chemistry)

Photobiology: Bioactive Compounds of Plants in Response to Light Conditions

edited by

Marina DellaGreca

and

Maria Michela Salvatore

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

Keywords: light-dependent reactions; photoprotective substances; bioactive compounds; natural product engineering tool; response to light conditions

(This special issue belongs to the Section Photochemistry)

Metal Complexes and Their Medicinal Applications

edited by

Hanna Lewandowska

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

Keywords: metal complexes; medicinal chemistry; anticancer agents; antimicrobial activity; diagnostic imaging; therapeutic design; coordination chemistry; supplements; clinical dietetics

(This special issue belongs to the Section Medicinal Chemistry)

Advances in Alkyne Chemistry

edited by Ruimao Hua

submission deadline 25 Nov 2026 | 7 articles | Viewed by 33097 | Submission Open

Keywords: alkyne annulation; carbocycle synthesis; heterocycle synthesis; atom-economic reaction; synthesis methodology

(This special issue belongs to the Section Organic Chemistry)

30th Anniversary of Molecules—Recent Advances in Materials Chemistry

edited by

Giuseppe Cirillo

Dimitrios Gournis

and Mu-Ping Nieh

submission deadline 30 Nov 2026 | 11 articles | Viewed by 19206 | Submission Open

Keywords: materials chemistry; synthetic procedures; characterization procedures; nanomaterials and nanocomposites; biologically oriented materials and biomaterials; materials of natural origin; hybrid composites; mechanical properties; long-term durability

(This special issue belongs to the Section Materials Chemistry)

Heterophase Polymerization and Functional Polymer Microspheres/Microcapsules

edited by Chengyou Kan and Wei Deng

submission deadline 30 Nov 2026 | 6 articles | Viewed by 12656 | Submission Open

Keywords: emulsion polymerization; mini emulsion polymerization; dispersion polymerization; suspension polymerization; encapsulation; functionalization; polymer microspheres; microcapsules; characterization; morphology control; structure– property relationship; polymer nanocomposite; application

(This special issue belongs to the Section Materials Chemistry)

30th Anniversary of Molecules—Recent Advances in Computational and Theoretical Chemistry

edited by

Maxim L. Kuznetsov

submission deadline 30 Nov 2026 | 8 articles | Viewed by 9076 | Submission Open

Keywords: computational chemistry; quantum chemistry; density functional theory; molecular design; reaction mechanism; chemical bonding; non-covalent interactions; molecular docking

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

Physical–Chemical Interactions and Composition–Structure–Property Modifications During Food Processing

edited by

Emilia Janiszewska-Turak

Anna Gramza-Michałowska

and

Karolina Szulc

submission deadline 30 Nov 2026 | 1 articles | Viewed by 1452 | Submission Open

Keywords: structure; food; thermal properties; chemical composition

(This special issue belongs to the Section Food Chemistry)

Natural Bioactive Compounds: Antioxidant Properties and Associated Biological Activities

edited by

Nguyen Van Quan

submission deadline 30 Nov 2026 | Viewed by 242 | Submission Open

Keywords: natural compounds; bioactive compounds; antioxidant activity; biological activities; chemical analysis; structure-function relationships; advanced extraction methods

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

Recent Advances in Medicinal Chemistry in Asia

edited by

Peng Zhan

and Jinfei Yang

submission deadline 30 Nov 2026 | Viewed by 199 | Submission Open

Keywords: drug design; drug discovery; lead compounds; anticancer agents; antiviral agents; antidiabetic agents; CNS agents

(This special issue belongs to the Section Medicinal Chemistry)

Current Development Prospects of Novel Nanocatalysts

edited by Fengyu Gao

submission deadline 30 Nov 2026 | Viewed by 156 | Submission Open

Keywords: novel nanocatalysts; pollutant purification; environmental catalysis technology; precious metals; metal/alloys; metal oxides; non-metallic materials; environmental protection; gas purification; wastewater treatment; soil remediation; solid waste management; carbon neutrality

(This special issue belongs to the Section Green Chemistry)

Organic Supramolecular Nanomaterials in Biomedical Applications: Design, Synthesis, Assembly, and Property Regulation

edited by

Ruilong Sheng

submission deadline 30 Nov 2026 | Viewed by 47 | Submission Open

Keywords: supramolecular nanobiomaterials; biomedical applications; organic supramolecular chemistry; polymer synthesis; bioimaging and biosensing; organic– inorganic hybrid nanomaterials

(This special issue belongs to the Section Organic Chemistry)

Bioactive Compounds in Food and Plants: Phytochemical Analysis, Structural Elucidation, Biological Properties and Therapeutic Potential

edited by

Adele Cutignano

and

Giulia De Simone

submission deadline 30 Nov 2026 | Viewed by 38 | Submission Open

Keywords: medicinal plants; food; food waste; plant by-products; bioactive metabolites and lipids; NMR spectroscopy; mass spectrometry; biological activity

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

Biological Properties of Extracts and Essential Oils from Plants of the Lamiaceae Family: An Updated Perspective

edited by

Maria da Graça Costa Miguel

submission deadline 30 Nov 2026 | Viewed by 26 | Submission Open

Keywords: lamiaceae family; essential oils; plant extracts; secondary metabolites; bioactive properties; anti-inflammatory

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

Research Advances on New Drugs and Drug Targets in Melanoma

edited by Paula Wróblewska-Łuczka

submission deadline 30 Nov 2026 | Viewed by 25 | Submission Open

Keywords: melanoma; new drugs; drug targets; mechanism of action; substances with anti-melanoma potential

(This special issue belongs to the Section Chemical Biology)

Recent Progress in Theoretical and Experimental Chemical Thermodynamics

edited by

Tao Li

submission deadline 30 Nov 2026 | Viewed by 20 | Submission Open

Keywords: chemical thermodynamics; theoretical innovation; experimental methods; characterization techniques; multi-scale simulation

(This special issue belongs to the Section Physical Chemistry)

Bioactive Components in Plants: Extraction, Characterization and Antioxidant Activity

edited by

Maria Celeiro

submission deadline 15 Dec 2026 | Viewed by 75 | Submission Open

Keywords: bioactive compounds; plant extracts; extraction of bioactives; polyphenols; chemical characterization; antioxidant activity; green chemistry

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

Characterization of Organic Ligands: Correlations Between Results by Electrochemistry and Other Methods

edited by Eleonora-Mihaela Ungureanu

submission deadline 20 Dec 2026 | 1 articles | Viewed by 833 | Submission Open

Keywords: connections; electrochemical experiments; characterization of organic ligands; DFT calculations of ligand properties; optical methods; electrochemical methods; surface characterization methods (SEM; AFM; Raman; etc.); analytical methods

(This special issue belongs to the Section Applied Chemistry)

Displaying special issue 1101-1150 on page 23 of 24.

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