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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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Catalysis for Drug Discovery
edited by
submission deadline 30 Apr 2026 | Viewed by 114 | Submission Open
Keywords: organic synthesis; metal catalysis; organocatalysis; asymmetric catalysis; photocatalysis; electrocatalysis; drug discovery
(This special issue belongs to the Section Organic Chemistry)
Chemical Mechanisms and Applications of Plasma Technology in Environmental and Biomedical Sciences
edited by
submission deadline 30 Apr 2026 | Viewed by 111 | Submission Open
Keywords: cold atmospheric plasma (CAP); environmental pollution; formaldehyde degradation; reactive oxygen species (ROS); reactive nitrogen species (RNS); cancer therapy; wound healing; plasma-induced apoptosis; advanced oxidation
(This special issue belongs to the Section Applied Chemistry)
Nanochemistry in Asia
edited by Lei Huang and
submission deadline 30 Apr 2026 | Viewed by 108 | Submission Open
Keywords: nanochemistry; nanomaterials; nanomedicine; nanotoxicity; nanocatalysis
(This special issue belongs to the Section Nanochemistry)
Computational and Experimental Research on Materials for Environmental Applications
edited by , Stevan Armaković and
submission deadline 30 Apr 2026 | Viewed by 102 | Submission Open
Keywords: environmental materials; DFT and MD simulations; wavefunction-based calculations; computational modeling; machine learning in materials science; data-driven materials design; environmental remediation; pollutant removal; nanomaterials; composite materials; hybrid computational– experimental studies
(This special issue belongs to the Section Computational and Theoretical Chemistry)
Advanced Analytical Methods in Food Chemistry
edited by
submission deadline 30 Apr 2026 | Viewed by 92 | Submission Open
Keywords: chromatography; mass spectrometry; spectroscopy techniques; food quality; food control; food adulteration; food allergens
(This special issue belongs to the Section Analytical Chemistry)
Plasmonic Metal Nanoparticles: From Synthesis to Major Applications
edited by
submission deadline 30 Apr 2026 | Viewed by 92 | 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)
Bioengineered Peptides and Proteins as Potential Therapeutic Agents
edited by Rigini M. Papi
submission deadline 30 Apr 2026 | Viewed by 81 | Submission Open
Keywords: bioengineered peptides & proteins; therapeutic agents; synthetic biology; structure-function prediction; protein engineering; protein scaffolds; drug design; regenerative medicine
(This special issue belongs to the Section Bioorganic Chemistry)
Exploring the Modification of Nanocellulose: Strategies for Enhancing Properties and Expanding Applications submission deadline 30 Apr 2026 | Viewed by 80 | Submission Open
Keywords: nanocellulose; cellulose-polymer composites; cellulose nanofibers (CNFs); cellulose nanocrystals (CNCs); cellulose processing; nanocellulose functionalization; TEMPO cellulose; surface modification; grafting; nanocellulose biosensors
(This special issue belongs to the Section Macromolecular Chemistry)
Novel Food Processing Technologies and Their Effects on Bioactive Components in Foods
edited by and Xiao Wang
submission deadline 30 Apr 2026 | Viewed by 77 | Submission Open
Keywords: food processing technologies; bioactive constituents; nutrient retention; functional foods; bioavailability; non-thermal processing; sustainable processing; in vitro digestion models; metabolomics
(This special issue belongs to the Section Food Chemistry)
Pesticides in Food and Environment: Detection and Removal Using Chemical Technologies submission deadline 30 Apr 2026 | Viewed by 73 | Submission Open
Keywords: pesticide detection; chemical remediation; advanced oxidation processes; adsorption technologies; green chemistry; functional materials; food and environmental safety; analytical methods
(This special issue belongs to the Section Analytical Chemistry)
Green Chemistry Strategies for Biomass Valorization submission deadline 30 Apr 2026 | Viewed by 68 | Submission Open
Keywords: green chemistry; biomass valorization; green solvents; biocatalysis; sustainable processes; sustainability metrics
(This special issue belongs to the Section Green Chemistry)
Advances in Organic Materials for Energy, Optoelectronics, and Electronics submission deadline 30 Apr 2026 | Viewed by 65 | Submission Open
Keywords: organic semiconductors; perovskites; solar cells; LEDs; lasers; microcavities; photodetectors; optoelectronics
(This special issue belongs to the Section Applied Chemistry)
Chemical Composition and Functional Properties of Food By-Products
edited by
submission deadline 30 Apr 2026 | Viewed by 64 | Submission Open
Keywords: food by-products; chemical composition; functional properties; antioxidant activity; sustainable food processing
(This special issue belongs to the Section Food Chemistry)
Spectroscopic and Spectrometric Techniques for Structural Analysis, 2nd Edition
edited by and
submission deadline 30 Apr 2026 | Viewed by 62 | Submission Open
Keywords: NMR spectroscopy; mass spectrometry; vibrational spectroscopy; UV-Vis spectroscopy; spectrofluorimetry; EPR spectroscopy; structural analysis
(This special issue belongs to the Section Analytical Chemistry)
Antibacterial Agents from Natural Source, 3rd Edition submission deadline 30 Apr 2026 | Viewed by 61 | Submission Open
Keywords: natural products; antibacterial activity; anti-virulence; bioactive molecules; mechanisms and applications; biological activity; drug development; antibacterial peptides
(This special issue belongs to the Section Natural Products Chemistry)
Sustainable Recycling of Industrial By-Products and Spent Batteries
edited by Jingxiu Wang and
submission deadline 30 Apr 2026 | Viewed by 54 | Submission Open
Keywords: sustainable recycling; industrial by-products; spent batteries; critical metal recovery; hydrometallurgical processes; deep eutectic solvents (DESs); green extraction technologies; circular chemistry
(This special issue belongs to the Section Green Chemistry)
Near-Infrared Fluorescent Materials for Biological Imaging and Sensing
edited by Daliang Li and
submission deadline 30 Apr 2026 | Viewed by 53 | Submission Open
Keywords: near-infrared fluorescent materials; biological imaging; material design; biosensing; theranostics; disease diagnosis
(This special issue belongs to the Section Materials Chemistry)
New Insights Into Porous Materials in Adsorption and Catalysis, 2nd Edition
edited by Marcia G. Ventura, and
submission deadline 30 Apr 2026 | Viewed by 53 | Submission Open
Keywords: catalysis; adsorption; environmental remediation; water and air purification; soil remediation; gas storage/upgrade; carbon dioxide capture; biomass to biofuel conversion
(This special issue belongs to the Section Applied Chemistry)
Emerging Strategies in Thermocatalysis and Electrocatalysis for Carbon Dioxide Valorization submission deadline 30 Apr 2026 | Viewed by 53 | Submission Open
Keywords: carbon dioxide valorization; CO₂ conversion; CO₂ activation; catalyst design; renewable energy integration; sustainable fuels and chemicals
(This special issue belongs to the Section Green Chemistry)
Chemical Compositions and Bioactivities of Foods, 2nd Edition
edited by
submission deadline 30 Apr 2026 | Viewed by 53 | Submission Open
Keywords: foods; phytochemicals; biophytochemicals; food bioactives; chemical compositions; functional foods; dietary supplements; medical foods; biological pathway; molecular mechanisms
(This special issue belongs to the Section Food Chemistry)
Chemical Composition, Pharmacological and Therapeutic Activity of Plant Extracts submission deadline 30 Apr 2026 | Viewed by 51 | Submission Open
Keywords: plant extracts; natural product chemistry; in silico; in vitro; and in vivo studies; acute and chronic inflammation; cardiometabolic disorders; endocrine disorders; neurodegenerative disorders
(This special issue belongs to the Section Natural Products Chemistry)
New Trends in Graphene Nanomaterials submission deadline 30 Apr 2026 | Viewed by 51 | Submission Open
Keywords: graphene; graphene-based nanomaterials; 2D; functionalization; synthesis methods; hybrid nanostructures; energy storage; catalysis
(This special issue belongs to the Section Materials Chemistry)
Adventures in Bioinorganic Chemistry submission deadline 30 Apr 2026 | Viewed by 49 | Submission Open
Keywords: metalloenzymes; enzymatic catalysis; metal-binding proteins; metal-based drugs; radiopharmaceuticals; bioavailability of metal ions; metal trafficking; metallomics; metal signalling
(This special issue belongs to the Section Inorganic Chemistry)
Analytical Techniques for Environmental Contamination
edited by Shiming Song
submission deadline 30 Apr 2026 | Viewed by 48 | Submission Open
Keywords: environmental analytical chemistry; environmental monitoring; pollution control; pollution monitoring; green methodologies
(This special issue belongs to the Section Analytical Chemistry)
Green Valorization of Food By‑Products: Bioactive Molecules and Food‑Grade Delivery Systems submission deadline 30 Apr 2026 | Viewed by 47 | Submission Open
Keywords: valorization; food; agro‑industrial by‑product; fruit; vegetable; botanical; delivery; encapsulation; extraction; characterization; cold pressing; pressurized liquids; ultrasound; microwave; supercritical; subcritical; phenolic; terpene; lipid; peptide; polysaccharide; purification; structure– activity relationship; bioefficacy; antioxidant; antimicrobial; anti‑inflammatory; spray‑dried microcapsule; complex coacervate; nanoemulsion; cyclodextrin inclusion complex; ionotropic gelation system; controlled release; nutraceutical; active packaging; circular‑bioeconomy metrics; shelf‑life; in silico
(This special issue belongs to the Section Food Chemistry)
Current Advances in Biodegradable Polymers
edited by Aurelio Ramírez-Hernández and Alejandro Aparicio-Saguilán
submission deadline 30 Apr 2026 | Viewed by 46 | Submission Open
Keywords: natural and synthetic polymers; biodegradation; synthesis; characterization; composites; nanomaterials; processing; environmental impact; molecular modeling
(This special issue belongs to the Section Materials Chemistry)
Current Advances in the Discovery and Development of New Therapies against Cancer, 2nd Edition
edited by
submission deadline 30 Apr 2026 | Viewed by 46 | Submission Open
Keywords: cancer; solid tumor; leukemia; central nervous system; tumor; drug discovery; therapy; nanotherapy
(This special issue belongs to the Section Medicinal Chemistry)
Multidisciplinary Approaches to Bioactive Natural Products: From Source to Application
edited by and
submission deadline 30 Apr 2026 | Viewed by 44 | Submission Open
Keywords: natural products; secondary metabolites; isolation and identification of natural products; structure– activity relationship; biological
(This special issue belongs to the Section Natural Products Chemistry)
Advances in Targeted Delivery of Nanomedicines, 2nd Edition submission deadline 30 Apr 2026 | Viewed by 40 | Submission Open
Keywords: nanomedicines; drug delivery; target delivery; nanoscience; cancer signaling
(This special issue belongs to the Section Medicinal Chemistry)
Advances in Selenium Catalysts and Antioxidants—2nd Edition
edited by Arai Kenta and
submission deadline 30 Apr 2026 | Viewed by 40 | Submission Open
Keywords: selenoenzyme models; selenosugars; biomimetics; reactive oxygen species; nanoparticles; chalcogen bond; catalytic reactions; organoselenium compounds
(This special issue belongs to the Section Organic Chemistry)
Materials in the Application of Adsorption, Degradation, Catalysis and Water Treatment, 2nd Edition submission deadline 30 Apr 2026 | Viewed by 38 | Submission Open
Keywords: biomaterial; antimicrobial; adsorbent; catalyst; natural polymers/biopolymers; food packaging; conventional technologies for water treatment; advanced technologies for water treatment
(This special issue belongs to the Section Materials Chemistry)
Photocatalysts: Design, Synthesis, and Applications
edited by
submission deadline 30 Apr 2026 | Viewed by 34 | Submission Open
Keywords: photocatalysis; photocatalytic degradation; H2 production; CO2 reduction; H2O2 production
(This special issue belongs to the Section Photochemistry)
Organic and Inorganic Luminescent Materials, 3rd Edition
edited by , Dan Zou and Xibao Zhang
submission deadline 30 Apr 2026 | Viewed by 33 | Submission Open
Keywords: luminescent; material; organic; inorganic; OLED; organic light-emitting diode; carbon dot; perovskite; aggregation-induced emission; AIE; thermally activated delayed fluorescence emitter; TADF; mechanism; design; application; process; display; lighting; detection; monitoring
(This special issue belongs to the Section Applied Chemistry)
Preparation and Catalytic Properties of Transition Metal Complexes
edited by
submission deadline 30 Apr 2026 | Viewed by 32 | Submission Open
Keywords: transition metal complexes; ligand design; coordination compounds; ligand design; catalysis; synthesis
(This special issue belongs to the Section Organometallic Chemistry)
Computational and Theoretical Insights on Molecular Structure, Solvation, Interactions and New Materials Design, 2nd Edition
edited by
submission deadline 30 Apr 2026 | Viewed by 28 | Submission Open
Keywords: solvation effects; solvation dynamics; designed solvents; intermolecular interactions; molecular modeling; machine learning; materials science; saturated solutions; chemical reactivity; computational techniques
(This special issue belongs to the Section Computational and Theoretical Chemistry)
Synthesis, Characterization, and Catalytic Applications of Transition Metal Complexes
edited by Daniel Mendoza Espinosa
submission deadline 30 Apr 2026 | Viewed by 27 | Submission Open
Keywords: transition metal complexes; homogeneous catalysis; heterogeneous catalysis; catalytic cycles; organic synthesis; selectivity; efficiency; sustainability
(This special issue belongs to the Section Organometallic Chemistry)
Advances in Organic Synthesis in Pharmaceuticals, Agrochemicals and Materials—2nd Edition
edited by Zhaoyang Wang and Le Li
submission deadline 30 Apr 2026 | Viewed by 24 | Submission Open
Keywords: organic synthetic methods; synthesize pharmaceuticals; agrochemicals; and materials; organic photosynthesis; organic electrochemical synthesis; biocatalysis; AI-based organic synthesis
(This special issue belongs to the Section Organic Chemistry)
Advanced Visual Sensing Strategies for Environmental Pollutant Detection
edited by and
submission deadline 30 Apr 2026 | Viewed by 21 | Submission Open
Keywords: visual sensing; colorimetric detection; ratiometric analysis; sensor arrays; environmental pollutants; portable and smart devices
(This special issue belongs to the Section Applied Chemistry)
Functional Polysaccharide Systems: From Molecular Interactions to Innovative Applications
edited by Sławomir Pietrzyk and Karolina Królikowska
submission deadline 30 Apr 2026 | Viewed by 19 | Submission Open
Keywords: functional polysaccharide systems; molecular interactions; structure– function relationships; interactions with other components; polymer modification; innovative applications in food and biotechnology
(This special issue belongs to the Section Food Chemistry)
Inclusion Complex: Formation, Structure and Properties
edited by , Wagner De Almeida and
submission deadline 30 Apr 2026 | Viewed by 18 | Submission Open
Keywords: inclusion complex; host– guest interaction; computational chemistry; intermolecular interactions; structural characterization; supramolecular interactions
(This special issue belongs to the Section Molecular Structure)
Nutritional Enhancement and Functional Innovation of Plant-Based Foods submission deadline 30 Apr 2026 | Viewed by 17 | Submission Open
Keywords: plant-based foods; plant product bioavailability; vegan diet; nutritional enhancement; functional innovation; protein fortification; sustainable nutrition
(This special issue belongs to the Section Food Chemistry)
Organic Fluorescent Dyes and Materials: From Synthesis to Applications in Detection and Bio-Imaging
edited by
submission deadline 30 Apr 2026 | Viewed by 14 | Submission Open
Keywords: fluorescent organic materials; organic synthesis; sensors; bio-imaging; theranostics
(This special issue belongs to the Section Materials Chemistry)
Energy Materials: Preparation and Application in Electrochemical Energy Storage
edited by Lina Chen
submission deadline 30 Apr 2026 | Viewed by 13 | Submission Open
Keywords: battery; energy materials; energy conversion; electrochemical energy storage; material preparation; renewable energy; novel electrode materials; sustainable materials
(This special issue belongs to the Section Applied Chemistry)
Bioactive Molecules from Natural Sources and Their Functions
edited by Sonia Del Prete and
submission deadline 1 May 2026 | 1 articles | Viewed by 2312 | Submission Open
Keywords: secondary metabolites; primary metabolism; living organisms; function; structure; enzymes; biosynthetic pathways
(This special issue belongs to the Section Medicinal Chemistry)
QSAR and QSPR: Recent Developments and Applications, 5th Edition
edited by
submission deadline 1 May 2026 | Viewed by 23 | Submission Open
Keywords: QSAR/QSPR modelling; development of molecular descriptors; molecular structure representation; data mining; machine learning; regression QSAR/QSPR modelling; classification QSAR/QSPR modelling; model optimization protocols; model validation algorithms; model quality metrics; random accuracy; ensemble QSAR/QSPR modelling; applicability domain; QSAR/QSPR model interpretation; comparative modelling; drug design; drug discovery; environmentally-relevant activity; biological activity; physicochemical property
(This special issue belongs to the Section Computational and Theoretical Chemistry)
Metal Recycling: From Waste to Valuable Resources
edited by María Isabel Martín Hernández
submission deadline 15 May 2026 | Viewed by 280 | Submission Open
Keywords: metal recycling; waste recycling; batteries; mining waste; minerals; post-consumer products; pyrometallurgical and hydrometallurgical techniques; recycling technologies; critical raw materials; li-ion batteries
(This special issue belongs to the Section Green Chemistry)
Natural Products as Antimicrobial and Anti-Infective Agents
edited by
submission deadline 15 May 2026 | Viewed by 51 | Submission Open
Keywords: antimicrobial activity; natural extracts; natural products; polyphenols; resistant bacteria
(This special issue belongs to the Section Natural Products Chemistry)
Novel Functional Crystalline Materials: Structure, Properties, and Application
edited by
submission deadline 15 May 2026 | Viewed by 22 | Submission Open
Keywords: functional crystalline materials; structure-property relationships; metal– organic frameworks (MOFs); covalent organic frameworks (COFs); hybrid perovskites; photonics and optoelectronics; energy storage and conversion; biomaterials applications
(This special issue belongs to the Section Materials Chemistry)
Natural Compounds: A Lead for Drug Discovery and Development, Second Edition
edited by and
submission deadline 15 May 2026 | Viewed by 21 | Submission Open
Keywords: natural compound; drug lead; drug discovery and development; medicinal chemistry; lead optimization; biological evaluation; natural product chemistry; pharmaceutical analysis
(This special issue belongs to the Section Natural Products Chemistry)
Natural Bioactives and Functional Ingredients in Foods
edited by
submission deadline 16 May 2026 | 1 articles | Viewed by 251 | Submission Open
Keywords: natural bioactive compounds; functional food ingredients; health-promoting foods; nutraceuticals; food innovation
(This special issue belongs to the Section Food Chemistry)
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