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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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Extraction Techniques for Sample Preparation

edited by

Vincenzo Ferrone

and

Pantaleone Bruni

submission deadline 31 Oct 2025 | Viewed by 109 | Submission Open

Keywords: sorbent-based extraction; liquid-based extraction; supercritical- or subcritical-based extraction; HPLC determination; GC determination; LC-MS-based analysis; chemical fingerprinting

(This special issue belongs to the Section Analytical Chemistry)

Novel Flame Retardant Materials

edited by

Qing-Hong Kong

submission deadline 31 Oct 2025 | Viewed by 107 | Submission Open

Keywords: novel flame retardants; flame-retardant polymers; bio-based flame retardants; flame-retardant coatings; environmentally friendly flame-retardant textiles; flame-retardant nanocomposites; flame retardant mechanism research

(This special issue belongs to the Section Materials Chemistry)

New Insights into Protein and Biomolecule Interactions

edited by Xin Peng and

Jiaxing Zhang

submission deadline 31 Oct 2025 | Viewed by 103 | Submission Open

Keywords: protein; biomolecule; interaction; protein-biomolecule interactions; structural insights; drug development

(This special issue belongs to the Section Bioorganic Chemistry)

Signaling Pathways as Targets in Disease Therapy

edited by

Zhengchao Wang

and

Yang Zhang

submission deadline 31 Oct 2025 | Viewed by 100 | Submission Open

Keywords: small molecule inhibitors; signaling pathway; homeostasis maintenance; targeted therapy; cancer cells; metabolic diseases

(This special issue belongs to the Section Medicinal Chemistry)

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

edited by

Simona Dedoni

submission deadline 31 Oct 2025 | Viewed by 99 | 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)

Bioactive Compounds for Brain Ischemia and Neurodegenerative Disease—3rd Edition

edited by

Ramunė Morkūnienė

and

Dalia M. Kopustinskiene

submission deadline 31 Oct 2025 | Viewed by 98 | Submission Open

Keywords: brain; neuroprotection; neurodegenerative diseases; ischemia; mitochondria; oxidative stress; inflammation; bioactive compounds

(This special issue belongs to the Section Medicinal Chemistry)

Discovery, Isolation, and Mechanisms of Bioactive Natural Products (2nd Edition)

edited by

Qiang Zhang

submission deadline 31 Oct 2025 | Viewed by 87 | Submission Open

Keywords: natural products; bioactivities; structural elucidation; mechanisms

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

Nano and Micro Materials in Green Chemistry

edited by Ruijin Yu

submission deadline 31 Oct 2025 | Viewed by 86 | Submission Open

Keywords: green chemistry; biosynthesis and green synthesis; nanomaterials and micro-materials; biohybrid materials; nanostructured electrodes; chemical sustainability assessment

(This special issue belongs to the Section Materials Chemistry)

Design, Synthesis and Applications of Fluorescent Probes

edited by

Xiaowei Xu

and

Rong Huang

submission deadline 31 Oct 2025 | Viewed by 71 | Submission Open

Keywords: fluorescent probes; bioimaging; design synthesis; molecular imaging; cell biology; disease mechanisms; diagnostic imaging; drug discovery; biocompatibility

(This special issue belongs to the Section Medicinal Chemistry)

Advanced Bioactive Nanoparticles for Precision Medicine

edited by

Teresa Aditya

and Erica Quagliarini

submission deadline 31 Oct 2025 | Viewed by 69 | Submission Open

Keywords: bioactive nanoparticles; targeted drug delivery; molecular imaging; stimuli-responsive nanocarriers; surface functionalization; hybrid nanomaterials; precision nanomedicine; clinical translation

(This special issue belongs to the Section Medicinal Chemistry)

Process Intensification Technology in Chemical Reaction

edited by

Qinglong Xie

submission deadline 31 Oct 2025 | Viewed by 67 | Submission Open

Keywords: chemical process intensification; heat and mass transfer; intensification mechanism; reaction rate; resource and energy efficiency; miniaturization; sustainability

(This special issue belongs to the Section Green Chemistry)

Vibrational Spectroscopy and Imaging of Mineralized Tissues and Biomaterials

edited by William Querido

submission deadline 31 Oct 2025 | Viewed by 66 | Submission Open

Keywords: vibrational spectroscopy; infrared and Raman spectroscopy; hyperspectral imaging; biomineralization; mineralized tissues and biomaterials; skeletal and dental tissue engineering; machine learning in spectral analysis

(This special issue belongs to the Section Analytical Chemistry)

Advanced Vibrational Spectroscopy

edited by Ke Lin

submission deadline 31 Oct 2025 | Viewed by 64 | Submission Open

Keywords: vibrational spectroscopy; molecular structure; molecular interaction; probe; excess spectroscopy; difference spectroscopy; ratio spectroscopy; multivariate curve resolution; two-dimensional correlation spectroscopy; Raman spectroscopy; infrared spectroscopy

(This special issue belongs to the Section Analytical Chemistry)

Advanced Materials for Energy Conversion and Water Sustainability, 2nd Edition

edited by

Panpan Zhang

and

Wenjing Yuan

submission deadline 31 Oct 2025 | Viewed by 63 | Submission Open

Keywords: advanced material innovation; energy conversion; desalination; wastewater treatment; pollutant degradation; sustainable clean water harvesting

(This special issue belongs to the Section Applied Chemistry)

Advancements in Silicon-Based Materials: Synthesis, Properties and Applications

edited by

Patricia Graciela Vázquez

submission deadline 31 Oct 2025 | Viewed by 63 | Submission Open

Keywords: silica synthesis: acidic and/or basic; sol-gel technique; synthesis of polymer/mesoporous silica nanocomposites; silica; characterization of silicate; citrus waste on silica; supports for catalysts; antimicrobial silica; circular economy

(This special issue belongs to the Section Materials Chemistry)

Electrochemical Catalytic Conversion of Small Molecules

edited by

Xinyue Wang

Libin Zeng

and

Guandong Su

submission deadline 31 Oct 2025 | Viewed by 60 | Submission Open

Keywords: electrocatalysis; small molecule conversion; single-atom catalysis; mechanism study; sustainable energy

(This special issue belongs to the Section Electrochemistry)

Next-Generation Catalytic Materials for Environmental Sustainability and Energy Efficiency

edited by

Jerry J. Wu

submission deadline 31 Oct 2025 | Viewed by 59 | Submission Open

Keywords: environmental catalysis; renewable energy; catalytic materials; photo(electro)catalysis; environmental Remediation; energy eaterials

(This special issue belongs to the Section Green Chemistry)

Advanced Electrode Materials for Aqueous Batteries

edited by

Feng Yu

submission deadline 31 Oct 2025 | Viewed by 57 | Submission Open

Keywords: aqueous batteries; electrode materials; energy storage; electrochemical stability; ion intercalation; nanostructured materials

(This special issue belongs to the Section Materials Chemistry)

Plasmonic Metal Nanoparticles: From Synthesis to Major Applications

edited by

Vladimir V. Kitaev

submission deadline 31 Oct 2025 | Viewed by 52 | Submission Open

Keywords: metal nanoparticles and nanoclusters; plasmonic metal nanoparticles; metal nanocomposites; shape-selected synthesis; size-selected synthesis; functional properties; high-resolution electron microscopy; surface plasmon resonance; interfacial properties; surface modification; catalysis; plasmonics; surface-enhanced Raman scattering; biomedical sensing; environmental sensing

(This special issue belongs to the Section Physical Chemistry)

Design, Preparation, and Application of Flexible Electrodes in Energy Storage

edited by

Lingpeng Yan

and

Yunfei Han

submission deadline 31 Oct 2025 | Viewed by 48 | Submission Open

Keywords: flexible electrodes; energy storage; 2D nanomaterials; conductive polymers; photovoltaics cells; supercapacitors; lithium-ion batteries; scalable manufacturing

(This special issue belongs to the Section Materials Chemistry)

Halogen Bonding and Chalcogen Bonding in Polymer and Supramolecular Materials

edited by Andrew Docker

submission deadline 1 Nov 2025 | Viewed by 445 | Submission Open

Keywords: halogen bonding; chalcogen bonding; supramolecular materials; polymer materials

(This special issue belongs to the Section Materials Chemistry)

Advances in Small Molecule Inhibitor-Based Drug Discovery Through Computational Chemistry

edited by

Davide Gentile

and

Vincenzina Barbera

submission deadline 3 Nov 2025 | Viewed by 50 | Submission Open

Keywords: drug discovery; medicinal chemistry; molecular modeling; natural inhibitors; antiviral; small inhibitors

(This special issue belongs to the Section Bioorganic Chemistry)

Insights on the Electron Transport in Electrolytes

edited by Chao Fang and Jiale Ma

submission deadline 10 Nov 2025 | Viewed by 71 | Submission Open

Keywords: electron transport; electrolytes; energy storage technologies; material properties; electrochemistry

Deep Eutectic Solvents for the Extraction of Bioactive Compounds from Natural Sources

edited by Kristina Radošević and

Giorgio Grillo

submission deadline 15 Nov 2025 | 3 articles | Viewed by 2208 | Submission Open

Keywords: bioactive compounds; natural sources; biological activity; deep eutectic solvents; green extraction; sustainable solvents; natural product valorization

(This special issue belongs to the Section Cross-Field Chemistry)

Recent Insights into Biopolymer Processing, from Preparation to Fundamental Properties and Industrial Applications, 2nd Edition

edited by

Paula Berton

and

Julia L. Shamshina

submission deadline 15 Nov 2025 | 1 articles | Viewed by 496 | Submission Open

Keywords: biopolymers; biomaterials; renewables; properties; applications; sustainability; circular economy

Advances in Lignin-Based Biomaterials: Synthesis and Characterizations

edited by

Giorgio Tofani

and

Andrea Mezzetta

submission deadline 15 Nov 2025 | Viewed by 198 | Submission Open

Keywords: lignin; lignin-based biomaterials; chemical characterization; functionalization; depolymerization; reprocessability

(This special issue belongs to the Section Green Chemistry)

Functional Adsorption Materials for Catalytic Degradation in Pollution Chemistry

edited by

Chirangano Mangwandi

submission deadline 15 Nov 2025 | Viewed by 84 | 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)

Studies in Polymer Degradation

edited by

Anna Raffaela de Matos Costa

, Edcleide Maria Araujo and Bastos Y. M. De Almeida

submission deadline 15 Nov 2025 | Viewed by 82 | Submission Open

Keywords: degradation mechanisms; photooxidation; thermal degradation; upcycling technologies and additivities

(This special issue belongs to the Section Macromolecular Chemistry)

Advances in Dyes and Photochromics

edited by

Jose Antonio Gonzalez Delgado

Agostina-Lina Capodilupo

and

Jesús F. Arteaga

submission deadline 16 Nov 2025 | 1 articles | Viewed by 878 | Submission Open

Keywords: photochromic compounds; green chemistry; molecular engineering; smart materials; environmental monitoring; electronic textiles; light-responsive materials; functional dyes; optical data storage; biomedical applications

(This special issue belongs to the Section Photochemistry)

Applied Analytical Chemistry: Second Edition

edited by

Petr Bednar

submission deadline 30 Nov 2025 | 8 articles | Viewed by 18017 | Submission Open

Keywords: food production; forensic practice and archaeology; environmental monitoring; clinical practice; quality control in industry; analysis of plant material

(This special issue belongs to the Section Analytical Chemistry)

Advances in Polymer Materials Based on Lignocellulosic Biomass

edited by Roland El Hage and

Rodolphe Sonnier

submission deadline 30 Nov 2025 | 14 articles | Viewed by 16393 | Submission Open

Keywords: natural fibers; agricultural wastes; pre-treatments; functionalisation; sustainability

(This special issue belongs to the Section Materials Chemistry)

10th Anniversary of Green Chemistry Section

edited by

M. Gilles Mailhot

and

Leucio Rossi

submission deadline 30 Nov 2025 | 15 articles | Viewed by 15435 | Submission Open

Keywords: green catalysts; green extraction and processing; chemistry based on natural products; bio-based solvents with sub- and super-critical fluids; microwave and ultrasound; organic reaction in green solvents; bioconversion of biomass and sustainable biomaterials; creating fine chemicals and polymers from renewable resources; green nanotechnology; green analytical chemistry; green degradation process

(This special issue belongs to the Section Green Chemistry)

Food Chemistry and Bioactive Compounds in Relation to Health, 2nd Edition

edited by

Leontina Grigore-Gurgu

Iuliana Aprodu

and

Elena Enachi

submission deadline 30 Nov 2025 | 6 articles | Viewed by 10229 | Submission Open

Keywords: biologically active compounds; functional food ingredients; metabolic pathways; health benefits; foodborne pathogens; probiotics; chromatographic analysis; enzymes applied in food industry

(This special issue belongs to the Section Food Chemistry)

Pharmaceutical Modelling in Physical Chemistry

edited by

and

submission deadline 30 Nov 2025 | 5 articles | Viewed by 9264 | Submission Open

Keywords: pharmaceutical modelling; virtual screening; machine learning; molecular dynamics; enhanced sampling; ab initio calculations

(This special issue belongs to the Section Physical Chemistry)

Functional Evaluation of Bioactive Compounds from Natural Sources, 2nd Edition

edited by

Kuniyoshi Shimizu

and

Yhiya Amen

submission deadline 30 Nov 2025 | 6 articles | Viewed by 8953 | Submission Open

Keywords: bioactive compounds; natural sources; functional evaluation; biological activities; health benefits; mechanisms of action; bioactivity; phytochemicals

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

10th Anniversary of the Bioorganic Chemistry Section of Molecules

edited by

Mark von Itzstein

Claus Jacob

and

Scott Reed

submission deadline 30 Nov 2025 | 7 articles | Viewed by 8220 | Submission Open

Keywords: chemoenzymatic synthesis and use of enzymes in organic chemistry; enzyme inhibitors; enzyme immobilization and controlled enzyme immobilization; biocatalysis (ribozymes and catalytic antibodies); biosynthesis; combinatorial biosynthesis; biomimetic synthesis; synthetic glycobiology; immunochemical techniques; membrane chemistry; protein and small biomolecules; protein– protein interactions; protein– molecule interactions; functional proteins and peptides; peptide chemistry; biopolymers and artificial supramolecular assemblies; the organic chemistry aspects of genetic engineering; neurotoxins and neuronal receptors; molecular recognition of nucleic acids; bioactive lipids; non-natural amino acids; mass spectrometry studies on biomolecules; bioactive peptides and proteins; biological signalling

(This special issue belongs to the Section Bioorganic Chemistry)

Insights for Organofluorine Chemistry, 2nd Edition

edited by

Yulai Hu

submission deadline 30 Nov 2025 | 3 articles | Viewed by 8083 | Submission Open

Keywords: organofluorine compounds; fluorination; fluoroalkylation; fluorination reagents; fluoroalkylation reagents; fluorine building blocks; fluorine drugs; fluorine pesticides; fluorinated materials

(This special issue belongs to the Section Organic Chemistry)

Advances in the Mass Spectrometry of Chemical and Biological Samples

edited by

Alina Florina Serb

submission deadline 30 Nov 2025 | 5 articles | Viewed by 7543 | Submission Open

Keywords: sample preparation; extraction; and ionization techniques; targeted and untargeted MS-based methods; high-resolution mass spectrometry (HRMS); MS-based omics; MS imaging; MS-based biomarker discovery and clinical diagnosis; MS-based drug development and toxicity monitoring; MS-based analysis of microbiome; MS in food chemistry and control; MS in forensic science; MS in cosmetic science; MS in environmental science; miniature MS systems; MS applications in nanomaterials development; MS applications in synthetic chemistry

(This special issue belongs to the Section Analytical Chemistry)

Heterogeneous Catalysis for Sustainability and Carbon-Neutrality

edited by Ruiyang Qu

submission deadline 30 Nov 2025 | 10 articles | Viewed by 7388 | Submission Open

Keywords: heterogeneous catalysis; photocatalysis; electrocatalysis; catalytic materials; renewable energy; sustainable development; carbon-neutrality

(This special issue belongs to the Section Cross-Field Chemistry)

Heterophase Polymerization and Functional Polymer Microspheres/Microcapsules

edited by Chengyou Kan and Wei Deng

submission deadline 30 Nov 2025 | 5 articles | Viewed by 6823 | 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)

Advanced Luminescent Materials: From Design, Synthesis, Fluorescent Mechanism to Applications

edited by Wei Chen

submission deadline 30 Nov 2025 | 4 articles | Viewed by 6360 | Submission Open

Keywords: fluorescent probes; bioimaging; biosensing; biomaterials

(This special issue belongs to the Section Nanochemistry)

Medicinal Value of Natural Bioactive Compounds and Plant Extracts, 3rd Edition

edited by

Magdalena Wójciak

Marcin Feldo

and

Ireneusz Sowa

submission deadline 30 Nov 2025 | 5 articles | Viewed by 5892 | Submission Open

Keywords: secondary plant metabolites; plant extracts; biological activity; polyphenols; alkaloids; in vitro; in vivo and study; cosmetology; ethnopharmacology; isolation and structure elucidation of plant metabolites

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

Research Progress of New Antimicrobial Drugs

edited by

Monika Wujec

and

Urszula Kosikowska

submission deadline 30 Nov 2025 | 8 articles | Viewed by 5750 | 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)

Featured Reviews in Organometallic Chemistry, 2nd Edition

edited by

Michal Szostak

submission deadline 30 Nov 2025 | 3 articles | Viewed by 5745 | 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

(This special issue belongs to the Section Organometallic Chemistry)

Recent Advances in the Valorization of Food, Agricultural By-Products and Waste, 2nd Edition

edited by

Ana Margarida Silva

and

Francisca Rodrigues

submission deadline 30 Nov 2025 | 8 articles | Viewed by 5570 | Submission Open

Keywords: agro-food byproducts; green extraction methods; bioactive compounds; in vitro analysis; ex vivo and in vivo studies; health benefits; nutraceuticals

(This special issue belongs to the Section Green Chemistry)

Synthesis and Crystal Structure of Rare-Earth Metal Compounds

edited by

Thomas Schleid

submission deadline 30 Nov 2025 | 4 articles | Viewed by 5276 | Submission Open

Keywords: synthesis; crystal structure; luminescence; magnetism; catalysts; optical properties

(This special issue belongs to the Section Inorganic Chemistry)

Recent Advances in Supramolecular Chemistry

edited by Wen-Chao Geng

submission deadline 30 Nov 2025 | 5 articles | Viewed by 4713 | Submission Open

Keywords: supramolecular chemistry; molecular recognition; self-assembly; supramolecular materials; macrocycles

(This special issue belongs to the Section Macromolecular Chemistry)

Advances in Green Solvents for Analytical Chemistry: Deep Eutectic Solvents and Biosolvents

edited by

Giovanni D'Orazio

and

Chiara Dal Bosco

submission deadline 30 Nov 2025 | 2 articles | Viewed by 4075 | Submission Open

Keywords: eutectic Solvents; biosolvents; green chemistry; microextraction techniques; environmentally friendly methods; green sample preparation; chromatography modifiers; sample preparation

(This special issue belongs to the Section Analytical Chemistry)

Lipids and Surfactants in Delivery Systems

edited by Agnieszka Lewińska and Marta Domżał-Kędzia

submission deadline 30 Nov 2025 | 2 articles | Viewed by 4023 | Submission Open

Keywords: delivery systems; controlled-release systems; targeted delivery systems; preparation and characterization; surfactant– lipid interactions; lipid and surfactant nanocarriers; bioavailability enhancement; nanotechnology

(This special issue belongs to the Section Nanochemistry)

Recent Advances in Mass Spectrometry Analysis for Medical and Pharmaceutical Applications

edited by Wojciech Piekoszewski

submission deadline 30 Nov 2025 | 3 articles | Viewed by 3746 | Submission Open

Keywords: mass spectrometry (MS); biomarkers; drug metabolism; proteomics; metabolomics; pharmaceutical analysis; personalized medicine; therapeutic drug monitoring

(This special issue belongs to the Section Analytical Chemistry)

Displaying special issue 301-350 on page 7 of 20.

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