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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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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 65 | 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 18510 | 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 11596 | 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 6117 | 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 3021 | 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 2104 | 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 372 | 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 242 | 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 143 | 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 101 | 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 92 | 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)

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

edited by

Xu Lu

submission deadline 31 Oct 2026 | Viewed by 64 | 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)

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

edited by

Riccardo Petrelli

submission deadline 31 Oct 2026 | Viewed by 63 | 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)

Trends in Biosensors for Biomedical Applications

edited by

Magdalena Stobiecka

and

Katarzyna Ratajczak

submission deadline 31 Oct 2026 | Viewed by 59 | 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 47 | 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 43 | 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 40 | 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 36 | 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)

Advances in Nanocomposites and Functional Textiles for Environmental and Biomedical Applications

edited by

Azam Ali

submission deadline 31 Oct 2026 | Viewed by 30 | 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)

Research Progress of New Antimicrobial Drugs—2nd Edition

edited by

Monika Wujec

Urszula Kosikowska

and

Sylwia Andrzejczuk

submission deadline 31 Oct 2026 | Viewed by 28 | 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)

Intramolecular Hydrogen Bonds

edited by

Xuefeng Wang

submission deadline 31 Oct 2026 | Viewed by 22 | 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)

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 16 | 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)

Recent Advances in Biocatalysis

edited by

Raffaele Saladino

and

Eliana Capecchi

submission deadline 31 Oct 2026 | Viewed by 15 | 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)

Metal Complexes and Their Medicinal Applications

edited by

Hanna Lewandowska

submission deadline 15 Nov 2026 | Viewed by 28 | 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 32915 | 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 18874 | 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 12385 | 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 | 7 articles | Viewed by 8657 | 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)

Natural Bioactive Compounds: Antioxidant Properties and Associated Biological Activities

edited by

Nguyen Van Quan

submission deadline 30 Nov 2026 | Viewed by 220 | 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)

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

edited by

Ruilong Sheng

submission deadline 30 Nov 2026 | Viewed by 37 | 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 30 | 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)

Research Advances on New Drugs and Drug Targets in Melanoma

edited by Paula Wróblewska-Łuczka

submission deadline 30 Nov 2026 | Viewed by 18 | 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)

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 15 | 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)

Recent Progress in Theoretical and Experimental Chemical Thermodynamics

edited by

Tao Li

submission deadline 30 Nov 2026 | Viewed by 12 | 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 73 | 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 808 | 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)

30th Anniversary of Molecules: Recent Advances and the Next in Macromolecular Chemistry

edited by

Sylvain Caillol

Hua Wei

Apostolos Avgeropoulos

and

Ying-Wei Yang

submission deadline 31 Dec 2026 | 8 articles | Viewed by 16893 | Submission Open

Keywords: macromolecular chemistry; synthetic polymers; natural polymers; polymerization mechanisms and kinetics; supramolecular self-assembly; biological macromolecules

(This special issue belongs to the Section Macromolecular Chemistry)

30th Anniversary of Molecules—Recent Advances in Chemical Biology

edited by

and

submission deadline 31 Dec 2026 | 6 articles | Viewed by 14674 | Submission Open

Keywords: bioorthogonal chemistry; peptides; nucleic acids; proteins; analytical methods; chemical inhibitors; chemical probe; ubiquitination; structure-activity relationship

(This special issue belongs to the Section Chemical Biology)

30th Anniversary of Molecules—Recent Advances in Organic Chemistry

edited by

Maria G. P. M. S. Neves

, Antonia Di Mola and

Nuno M. M. Moura

submission deadline 31 Dec 2026 | 10 articles | Viewed by 14494 | Submission Open

Keywords: organic synthesis; organic chemistry research; theoretical study; reaction mechanisms; catalysis

(This special issue belongs to the Section Organic Chemistry)

30th Anniversary of Molecules—Recent Advances in Inorganic Chemistry

edited by

Axel Klein

Richard Dronskowski

and

Vassilis Tangoulis

submission deadline 31 Dec 2026 | 9 articles | Viewed by 10142 | Submission Open

Keywords: inorganic chemistry; coordination chemistry; solid-state chemistry; nanomaterials; organometallics; transition and main group metal chemistry; catalysis; bioinorganic chemistry

(This special issue belongs to the Section Inorganic Chemistry)

The 30th Anniversary of Molecules—Recent Advances in Natural Products Chemistry

edited by

Daniela Rigano

Maria Camilla Bergonzi

Dimitris P. Makris

and

Kyoko Nakagawa-Goto

submission deadline 31 Dec 2026 | 5 articles | Viewed by 7964 | Submission Open

Keywords: natural compounds; bioactive molecules; drug discovery; pharmacological activity; formulations; drug delivery systems; food applications and additives; cosmetic applications; synthesis

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

30th Anniversary of Molecules—Recent Advances in Analytical Chemistry

edited by

Wilfried Rozhon

Simone Morais

and

Agostinho Almeida

submission deadline 31 Dec 2026 | 3 articles | Viewed by 5306 | Submission Open

Keywords: chromatography and advanced mass spectrometry; atomic spectroscopy and elemental mass spectrometry; molecular spectroscopy; miniaturization of analytical instruments; ohmics; nanomaterials and sensors; automation and high-throughput screening; single-cell analysis; non-invasive analysis/techniques; green analytical chemistry

(This special issue belongs to the Section Analytical Chemistry)

30th Anniversary of Molecules—Recent Developments in Biobased Polymers

edited by

Dimitrios Bikiaris

and

Eleftheria Xanthopoulou

submission deadline 31 Dec 2026 | 2 articles | Viewed by 2876 | Submission Open

Keywords: biobased polymers; sustainability; biodegradability; polymer recycling; polymer composites; polymer processing; green chemistry

(This special issue belongs to the Section Materials Chemistry)

30th Anniversary of Molecules: Recent Advances in Organometallic Chemistry

edited by

Zhi-Gang Gu

submission deadline 31 Dec 2026 | 2 articles | Viewed by 2539 | Submission Open

Keywords: metal– organic framework; organometallic compounds; coordination assembly; metal– organic cluster; metal– organic cage; supramolecular chemistry

(This special issue belongs to the Section Organometallic Chemistry)

Recent Advances in Peptide Assembly and Bioactivity

edited by

Wen Li

submission deadline 31 Dec 2026 | 1 articles | Viewed by 1063 | Submission Open

Keywords: peptide; self-assembly; co-assembly; stimuli-responsive; bioactivity; biomaterials

(This special issue belongs to the Section Bioorganic Chemistry)

Silymarin and Derivatives: From Biosynthesis to Health Benefits 2.0

edited by

Dominique Delmas

submission deadline 31 Dec 2026 | Viewed by 622 | Submission Open

Keywords: silymarin: sources and biosynthesis; secondary metabolites and silymarin derivatives; silymarin bioavailability; silymarin and cardiovascular diseases; silymarin and metabolic syndrome; silymarin and cancer; silymarin and inflammation and immune diseases; silymarin and degenerative age-related diseases

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

Metal–Halide Perovskites for Solar Cell and LED Materials

edited by

René M. Williams

submission deadline 31 Dec 2026 | Viewed by 389 | Submission Open

Keywords: hybrid halide perovskite solar cell materials; perovskite light-emitting diode materials; optical properties; luminescence; material property characterization; thin solid films; crystal formation

(This special issue belongs to the Section Materials Chemistry)

Advances in Lactam Chemistry: From Synthetic Strategies to Biological Applications

edited by

Faïza Diaba

submission deadline 31 Dec 2026 | 1 articles | Viewed by 342 | Submission Open

Keywords: lactams; sustainable synthesis; structure– activity relationship (SAR); drug discovery; β -lactam analogues; heterocyclic chemistry; therapeutic applications; antimicrobial and anticancer agents

(This special issue belongs to the Section Organic Chemistry)

Advances in Remediation Methods of Pharmaceutical Pollutants in Water

edited by

Robert Skibiński

and

Jakub Trawiński

submission deadline 31 Dec 2026 | Viewed by 102 | Submission Open

Keywords: drug pollutants; advanced oxidation processes; water treatment; electrochemical methods; photodegradation; degradation pathways; mineralization; toxicity assessment

(This special issue belongs to the Section Green Chemistry)

Functional Molecules Design for Nutrition Health

edited by

Libing Liu

and

Yu Feng

submission deadline 31 Dec 2026 | Viewed by 85 | Submission Open

Keywords: molecule design; biological activity; nutrition and health; personalized nutrition protocols; precision therapeutic methods

(This special issue belongs to the Section Materials Chemistry)

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

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