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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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Molecular Crystals: Exploring Structure, Properties, and Applications

edited by

Silvano Geremia

submission deadline 31 May 2026 | Viewed by 124 | Submission Open

Keywords: molecular crystals; polymorphism; crystal growth; solid-state structure– property relationships; shape-memory and self-healing crystals; elastic– plastic crystals; materials for electronics and photonics; pharmaceutical crystalline materials

(This special issue belongs to the Section Materials Chemistry)

Advanced Materials for Gaseous Pollutant Removal

edited by

Xin Liu

Yongbiao Hua

and Yueshuang Mao

submission deadline 31 May 2026 | Viewed by 114 | Submission Open

Keywords: gaseous pollutant removal; catalysis; adsorption; sustainable remediation; environmentally friendly materials

(This special issue belongs to the Section Materials Chemistry)

Bioactive Compounds in Food: Advanced Extraction and Characterization Methods

edited by

Gerasopoulos Dimitrios

submission deadline 31 May 2026 | Viewed by 109 | Submission Open

Keywords: bioactive compounds; food matrices; extraction methods; process optimization; green and sustainable solvents; characterization techniques; stability assessment; bioavailability; delivery systems; functional foods; nutraceuticals; composition– functionality relationships

(This special issue belongs to the Section Food Chemistry)

Small Molecules in Molecular Imaging, Chemical Biology and Drug Discovery

edited by

Wing-Leung Wong

submission deadline 31 May 2026 | Viewed by 106 | Submission Open

Keywords: small molecules; molecular design and synthesis; molecular imaging; chemical biology; drug discovery; biomarker visualization; therapeutic targeting; translational medicine; disease mechanisms; personalized diagnostics; biomedical innovation

(This special issue belongs to the Section Medicinal Chemistry)

Zeolites and Related Nanoporous Materials: Green Supports for Molecules

edited by

Nevenka Rajić

submission deadline 31 May 2026 | Viewed by 106 | Submission Open

Keywords: porous materials; zeolites; selective catalysts; zeolite-like materials; molecule selectivity

(This special issue belongs to the Section Materials Chemistry)

Advances in Biomass Conversion, Biofuel Production and Biorefinery Processes

edited by

Juan Carlos Serrano-Ruiz

and

Mayra Anabel Lara-Angulo

submission deadline 31 May 2026 | Viewed by 106 | Submission Open

Keywords: biomass conversion; biofuels; catalysis; biorefinery integration; CO2 utilization; hydrogen production; energy storage; life-cycle and techno-economic analysis

(This special issue belongs to the Section Green Chemistry)

Innovative Catalysts and Multimodal Strategies for Water Remediation

edited by Lucyna Bilińska,

Yongchang Sun

and

Aleksandra Kędzierska-Sar

submission deadline 31 May 2026 | Viewed by 105 | Submission Open

Keywords: nanostructured catalysts; thin-film catalysts; transition metal and carbon-based catalysts; advanced oxidation processes (AOPs); electrochemical advanced oxidation processes (EAOPs); photocatalysis; catalytic ozonation; novel catalysts for water remediation; wastewater treatment; functional material

(This special issue belongs to the Section Green Chemistry)

Bioactive Peptides: Isolation, Identification and Application

edited by

Monika Karaś

Urszula Szymanowska

and

Anna Maria Papini

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

Keywords: peptides; proteins; hydrolysis; bioavailability; application; biological activity; food technology

(This special issue belongs to the Section Food Chemistry)

Carbon-Based Materials for Sustainable Chemistry: 3rd Edition

edited by

Dipendu Saha

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

Keywords: carbon-based materials; carbon nanostructures; adsorption; sustainability

(This special issue belongs to the Section Materials Chemistry)

Agricultural and Food Residues: Treatment and Valorization of By-Products and Wastes

edited by

Dimitris Sarris

and Zacharias Ioannou

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

Keywords: agri-food waste management; valorization processes; waste treatment technologies; bioconversion and fermentation; extraction and purification methods; bio-based materials and products; nutrient and resource recovery; process optimization; sustainable food systems

(This special issue belongs to the Section Green Chemistry)

Therapeutic Potential of Bioactive Dietary Small Molecules and Natural Products: From Discovery to Mechanistic Understanding

edited by

Athanasios A. Panagiotopoulos

and

Marilena Kampa

submission deadline 31 May 2026 | Viewed by 93 | Submission Open

Keywords: bioactive compounds; natural products; dietary small molecules; therapeutic agents; mechanism of action; nutraceuticals; functional foods; molecular targets; pharmacological activity; chronic diseases; anti-inflammatory; antioxidant; metabolic disorders; hormone-related diseases

(This special issue belongs to the Section Food Chemistry)

Environmental Analysis of Organic Pollutants, 3rd Edition

edited by

Wenbin Liu

submission deadline 31 May 2026 | Viewed by 90 | Submission Open

Keywords: organic pollutants; persistent organic pollutants; emerging contaminants; new pollutants; air; water; soil and sediment; emission; environmental fate; transformation; target analysis and non-target analysis

(This special issue belongs to the Section Green Chemistry)

Recent Advances in Circularly Polarized Luminescence Materials

edited by

Chuanfeng Chen

and Biao Zhao

submission deadline 31 May 2026 | Viewed by 90 | Submission Open

Keywords: circularly polarized luminescence; chirality; small molecules; polymers; chiral liquid crystals; self-assembled materials; optoelectronics; information security

(This special issue belongs to the Section Materials Chemistry)

Wide-Bandgap (WBG) Semiconductors: Advancements in Synthesis, Surface Engineering and Applications

edited by

Wei Hu

submission deadline 31 May 2026 | Viewed by 90 | Submission Open

Keywords: wide-bandgap semiconductors; gallium oxide; Ga2O3; diamond; aluminum nitride; AlN; surface engineering; semiconductor devices

(This special issue belongs to the Section Applied Chemistry)

Metal–Organic Cages: Synthesis and Applications

edited by Simona Nica

submission deadline 31 May 2026 | Viewed by 87 | Submission Open

Keywords: synthetic strategies; self-assembly processes; crystal engineering; computational studies; post-synthetic functionalization

(This special issue belongs to the Section Organic Chemistry)

Porous and Nanoporous Materials in Heterogeneous Catalysis, 2nd Edition

edited by Angela Martins

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

Keywords: porous and nanoporous materials; heterogeneous catalysts; hierarchical materials; bifunctional catalysts; catalyst supports; zeolites; zeotypes; carbon materials; MOFs; mesoporous silicas

(This special issue belongs to the Section Materials Chemistry)

Analytical Methods for Food and Environmental Pollutants: Current and Future Perspectives, 2nd Edition

edited by

Julia Martín

and

Esteban Alonso

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

Keywords: emerging pollutants; food samples; environmental samples; sampling; sample preparation; analytical instrumentation; chemometric tools

(This special issue belongs to the Section Analytical Chemistry)

Recent Advances in Supramolecular Chemistry, 2nd Edition

edited by Wen-Chao Geng and

Ying Han

submission deadline 31 May 2026 | Viewed by 83 | Submission Open

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

Acknowledged and Emerging Contaminants in Food and Natural Supplements

edited by

Dana-Alina Magdas

and

Marco Ciulu

submission deadline 31 May 2026 | Viewed by 77 | Submission Open

Keywords: food authentication; contaminants; toxicity; risk assessment; molecular fingerprint; metabolomics; AI-based omics; consumer safety

(This special issue belongs to the Section Analytical Chemistry)

Advanced Fluorescent Probes for Bioimaging and Environmental Sensing

edited by

David G. Churchill

submission deadline 31 May 2026 | Viewed by 76 | Submission Open

Keywords: metal ions; anions; phosphates; fluorescence; aldehydes; phosphorescence; sensitive detection; analytical methods

(This special issue belongs to the Section Analytical Chemistry)

New Synthetic Drugs of Abuse

edited by

Helena Gaspar

and

Nuno da Rosa Neng

submission deadline 31 May 2026 | Viewed by 73 | Submission Open

Keywords: new psychoactive substances (NPS); structure– activity relationships; pharmacokinetics and pharmacodynamics; toxicological mechanisms; advanced analytical methodologies; biomarkers of exposure

(This special issue belongs to the Section Medicinal Chemistry)

Electrochemical Reduction of CO₂: From Fundamentals to Practical Catalysis

edited by Younes Abghoui

submission deadline 31 May 2026 | Viewed by 73 | Submission Open

Keywords: electrochemical CO2 reduction; eco-friendly energy resources; reaction mechanism; net-zero emissions; computational catalysis; experimental catalysis; decarbonization technology

(This special issue belongs to the Section Electrochemistry)

Advanced Membrane Materials for Water Treatment

edited by

Minjia Meng

submission deadline 31 May 2026 | Viewed by 72 | Submission Open

Keywords: advanced membranes; water treatment; membrane materials; nanocomposites; desalination; wastewater reuse; antifouling; mixed-matrix membranes (MMMs); emerging contaminants; membrane fabrication

(This special issue belongs to the Section Green Chemistry)

Chitosan-Based Materials for Pharmaceutical and Medical Applications

edited by

Mahwash Mukhtar

and

Rita Ambrus

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

Keywords: chitin; chitosan; chitosan modification; chitosan-based drug delivery systems; chitosan nanoparticles; chitosan for biomedical use; chitosan biomaterials

(This special issue belongs to the Section Materials Chemistry)

Functional Compounds and Advanced Delivery Systems in Cosmetic Science

edited by

Kenji Sugibayashi

and

Hiroaki Todo

submission deadline 31 May 2026 | Viewed by 63 | Submission Open

Keywords: cosmetic chemistry; bioactive ingredients; natural extracts; anti-aging compounds; skin barrier function; antioxidants; peptides in cosmetics; nanotechnology in skincare; sustainable formulation; dermal delivery systems

(This special issue belongs to the Section Medicinal Chemistry)

Photoactive Compounds: From Dye Design to Advanced Probes and Photosensitizers

edited by Janina Kabatc-Borcz

submission deadline 31 May 2026 | Viewed by 63 | Submission Open

Keywords: photosensitizer; initiator; photosensitive materials; probes; dye

(This special issue belongs to the Section Photochemistry)

Application of Polyacrylonitrile in Catalytic Conversion and Environmental Remediation

edited by

Ning Ma

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

Keywords: polyacrylonitrile (PAN); environmental remediation; catalytic conversion; functionalized composites

(This special issue belongs to the Section Macromolecular Chemistry)

Bioactive and Nutritional Molecules: From Natural Sources to Therapeutic and Health Applications, 2nd Edition

edited by

Mauro Lombardo

submission deadline 31 May 2026 | Viewed by 61 | Submission Open

Keywords: bioactive and nutritional molecules; natural therapeutic agents; bioactive compounds

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

Flexible Materials and Devices for Human Health

edited by Ding Zhang

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

Keywords: flexible materials and devices; self-powered sensing; energy conversion; health monitoring; disease treatment

(This special issue belongs to the Section Applied Chemistry)

Recent Progress in Quantum Dots: Synthesis and Emerging Applications

edited by

Kevin Critchley

submission deadline 31 May 2026 | Viewed by 52 | Submission Open

Keywords: quantum dots; nanomaterials; colloidal synthesis; surface functionalization; optical properties; sensing; quantum dot applications

(This special issue belongs to the Section Nanochemistry)

Novel Drugs for Anticancer Therapy

edited by

Maciej Wnuk

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

Keywords: anticancer activity; natural small molecules; anticancer drugs; synthetic analogues

(This special issue belongs to the Section Medicinal Chemistry)

Recent Advances in the Design of Electrochemical Sensors

edited by

Cecylia Wardak

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

Keywords: electrochemical sensors; electoanalysis; electrocatalysis; electroactive materials; functional materials; nanomaterials; hybrid mateial; potentiometry; voltammetry; amperometry

(This special issue belongs to the Section Electrochemistry)

Advanced Functional Nanomaterials for High-Performance Supercapacitors, Electrochromic Systems, and Electrochemical Energy Storage

edited by Pritam J. Morankar

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

Keywords: functional nanomaterials; electrochemistry; electrochemical energy storage

(This special issue belongs to the Section Electrochemistry)

Carriers, Channels, Receptors, and Enzymes: Protein Targets of New Synthetic and Natural Compounds, 2nd Edition

edited by

Annalisa De Palma

and

Anna Spagnoletta

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

Keywords: carrier; channel; receptor; enzyme; drug design; synthesis; biological evaluation; inhibitors; bioactive compounds; cell metabolism; mitochondria; human pathology

(This special issue belongs to the Section Chemical Biology)

Preparation, Performance and Application of Nano Functional Materials

edited by

Ana Rovisco

and

Ana Pimentel

submission deadline 31 May 2026 | Viewed by 36 | Submission Open

Keywords: nano-functional materials; nanostructures; synthesis and fabrication; metal and metal oxide nanomaterials; composite nanomaterials; surface modification; catalysis and energy applications; sensing and bioengineering; sustainable nanomaterials

(This special issue belongs to the Section Materials Chemistry)

Protein Kinase: Structure, Function and Inhibitors

edited by

José Bubis

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

Keywords: protein kinase; protein phosphorylation; ATP-binding site; allosteric regulation; structure– function relationship; conformational change; cellular signaling pathways; drug discovery; ATP-competitive inhibitors; allosteric inhibitors

(This special issue belongs to the Section Chemical Biology)

Innovative Technologies for Food Processing and Preservation

edited by

Joana Madureira

and

Sandra Cabo Verde

submission deadline 1 Jun 2026 | 1 articles | Viewed by 581 | Submission Open

Keywords: innovative food processing technologies; food preservation; food safety and quality; food sustainability; shelf-life extension; microbial inactivation; bioactive compounds

(This special issue belongs to the Section Food Chemistry)

Novel Functional Nanomaterials for Sensing and Biomedical Applications

edited by

Wansong Chen

submission deadline 1 Jun 2026 | Viewed by 108 | Submission Open

Keywords: functional nanomaterials; biosensing; chemical sensing; drug delivery; bioimaging; theranostics; nanobiotechnology; nanosensors; nanomedicine

Enantioselective Synthesis, Enantiomeric Separations and Chiral Recognition: 3rd Edition

edited by

Carla Fernandes

Maria Elizabeth Tiritan

and

Madalena Pinto

submission deadline 15 Jun 2026 | 3 articles | Viewed by 4066 | Submission Open

Keywords: enantioselective synthesis; enantioseparation; chiral analyses; chiral recognition; chiral sensors

NMR Spectroscopy in Medical Diagnosis and Precision Medicine: Current Trends and Future Directions

edited by

Nataša Avramović

and

Joao Guilherme de Moraes Pontes

submission deadline 15 Jun 2026 | Viewed by 344 | Submission Open

Keywords: NMR spectroscopy; metabolomics; lipidomics; biomarkers; medical diagnosis; precision medicine

(This special issue belongs to the Section Applied Chemistry)

Advanced Technologies for Water Pollution Control

edited by

Wenjun Wang

and

Chengyun Zhou

submission deadline 15 Jun 2026 | 1 articles | Viewed by 276 | Submission Open

Keywords: water pollution; advanced oxidation processes; membrane technologies; nanotechnology application; wastewater remediation; advanced technologies

(This special issue belongs to the Section Green Chemistry)

Nanomaterials: Design and Application in Photodegradation

edited by

Luciano Costa Almeida

submission deadline 15 Jun 2026 | Viewed by 201 | Submission Open

Keywords: heterostructures; photodegradation; semiconductor– semiconductor interface; water remediation; wastewater treatment

Biosynthetic Strategies for Exploiting Natural Products: Recent Advances and Applications

edited by

Zhihua Liao

and

Guanglei Ma

submission deadline 15 Jun 2026 | Viewed by 96 | Submission Open

Keywords: biosynthetic gene clusters; genome mining; heterologous expression; pathway elucidation; metabolic engineering

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

Chemical Composition and Anti-Inflammatory Activity of Essential Oils, 2nd Edition

edited by

Gianfranco Fontana

submission deadline 15 Jun 2026 | Viewed by 80 | Submission Open

Keywords: essential oils; anti-inflammatory activity; chemo-prevention; natural products; inflammation cascade

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

Metal Recovery from Waste Polymetallic Materials

edited by Ewa Rudnik

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

Keywords: extractive metallurgy; hydrometallurgy; solvometallurgy; leaching; ion separation; metal recovery; industrial waste; recycling

(This special issue belongs to the Section Green Chemistry)

Advanced Photo/Electrocatalysts for Energy Conversion and Environmental Applications, 3rd Edition

edited by

Ruowen Liang

and Dengrong Sun

submission deadline 15 Jun 2026 | Viewed by 45 | Submission Open

Keywords: photocatalyst; electrocatalysis; nanostructured materials; surface/interface regulation; environment; energy

(This special issue belongs to the Section Photochemistry)

Molecular Design and Functional Materials for Food Packaging Applications

edited by

Arantzazu Santamaria-Echart

submission deadline 16 Jun 2026 | Viewed by 58 | Submission Open

Keywords: packaging applications; functionality; active agents; coatings; processed films; advanced technologies

(This special issue belongs to the Section Food Chemistry)

Green Catalysis Technology for Sustainable Energy Conversion

edited by

Kangqiang Lu

Weiya Huang

and

Bo Weng

submission deadline 30 Jun 2026 | 10 articles | Viewed by 16339 | Submission Open

Keywords: catalysis; sustainable energy; energy crisis; environmental pollution

(This special issue belongs to the Section Green Chemistry)

Featured Reviews in Organic Chemistry 2025–2026

edited by

Roman Dembinski

submission deadline 30 Jun 2026 | 4 articles | Viewed by 12458 | Submission Open

(This special issue belongs to the Section Organic Chemistry)

Advances in Physicochemical Properties of Innovative Food Products During Processing

edited by

Hanna Kowalska

and

Mariola Kozłowska

submission deadline 30 Jun 2026 | 8 articles | Viewed by 10722 | Submission Open

Keywords: innovative food processing; pulsed electric fields; ultrasound processing; cold plasma; hybrid drying; fermentation; physicochemical properties; functional and sensory attributes; natural ingredients; food structure and stability; nutritional value; sustainable food systems

(This special issue belongs to the Section Food Chemistry)

Displaying special issue 551-600 on page 12 of 22.

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