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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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Small Molecules in Molecular Imaging, Chemical Biology and Drug Discovery

edited by

Wing-Leung Wong

submission deadline 31 May 2026 | Viewed by 45 | 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)

Application of Polyacrylonitrile in Catalytic Conversion and Environmental Remediation

edited by

Ning Ma

submission deadline 31 May 2026 | Viewed by 45 | Submission Open

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

(This special issue belongs to the Section Macromolecular Chemistry)

Metal–Organic Cages: Synthesis and Applications

edited by Simona Nica

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

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

(This special issue belongs to the Section Organic Chemistry)

Advanced Fluorescent Probes for Bioimaging and Environmental Sensing

edited by

David G. Churchill

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

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

(This special issue belongs to the Section Analytical Chemistry)

Recent Advances in Circularly Polarized Luminescence Materials

edited by

Chuanfeng Chen

and Biao Zhao

submission deadline 31 May 2026 | Viewed by 41 | 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)

Photoactive Compounds: From Dye Design to Advanced Probes and Photosensitizers

edited by Janina Kabatc-Borcz

submission deadline 31 May 2026 | Viewed by 40 | Submission Open

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

(This special issue belongs to the Section Photochemistry)

Flexible Materials and Devices for Human Health

edited by Ding Zhang

submission deadline 31 May 2026 | Viewed by 36 | 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)

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 36 | 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)

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

edited by

Wei Hu

submission deadline 31 May 2026 | Viewed by 34 | 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)

Chitosan-Based Materials for Pharmaceutical and Medical Applications

edited by

Mahwash Mukhtar

and

Rita Ambrus

submission deadline 31 May 2026 | Viewed by 32 | 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)

Advanced Membrane Materials for Water Treatment

edited by

Minjia Meng

submission deadline 31 May 2026 | Viewed by 32 | 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)

Porous and Nanoporous Materials in Heterogeneous Catalysis, 2nd Edition

edited by Angela Martins

submission deadline 31 May 2026 | Viewed by 23 | 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)

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 23 | Submission Open

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

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

Acknowledged and Emerging Contaminants in Food and Natural Supplements

edited by

Dana-Alina Magdas

submission deadline 31 May 2026 | Viewed by 19 | 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)

Novel Drugs for Anticancer Therapy

edited by

Maciej Wnuk

submission deadline 31 May 2026 | Viewed by 18 | Submission Open

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

(This special issue belongs to the Section Medicinal Chemistry)

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 15 | 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)

Recent Progress in Quantum Dots: Synthesis and Emerging Applications

edited by

Kevin Critchley

submission deadline 31 May 2026 | Viewed by 10 | Submission Open

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

(This special issue belongs to the Section Nanochemistry)

Electrochemical Reduction of CO₂: From Fundamentals to Practical Catalysis

edited by Younes Abghoui

submission deadline 31 May 2026 | Viewed by 6 | 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)

Functional Compounds and Advanced Delivery Systems in Cosmetic Science

edited by

Kenji Sugibayashi

and

Hiroaki Todo

submission deadline 31 May 2026 | Viewed by 1 | 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)

Preparation, Performance and Application of Nano Functional Materials

edited by

Ana Rovisco

and

Ana Pimentel

submission deadline 31 May 2026 | Viewed by 1 | 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)

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

edited by

Dimitris Sarris

submission deadline 31 May 2026 | 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)

Novel Functional Nanomaterials for Sensing and Biomedical Applications

edited by

Wansong Chen

submission deadline 1 Jun 2026 | Viewed by 84 | Submission Open

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

Innovative Technologies for Food Processing and Preservation

edited by

Joana Madureira

and

Sandra Cabo Verde

submission deadline 1 Jun 2026 | Viewed by 48 | 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)

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 3362 | 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 78 | 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 | Viewed by 69 | 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)

Metal Recovery from Waste Polymetallic Materials

edited by Ewa Rudnik

submission deadline 15 Jun 2026 | Viewed by 29 | Submission Open

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

(This special issue belongs to the Section Green Chemistry)

Biosynthetic Strategies for Exploiting Natural Products: Recent Advances and Applications

edited by

Zhihua Liao

and

Guanglei Ma

submission deadline 15 Jun 2026 | Viewed by 25 | Submission Open

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

(This special issue belongs to the Section Natural Products 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 14 | Submission Open

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

(This special issue belongs to the Section Photochemistry)

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

edited by

Gianfranco Fontana

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

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

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

Molecular Design and Functional Materials for Food Packaging Applications

edited by

Arantzazu Santamaria-Echart

submission deadline 16 Jun 2026 | Viewed by 29 | 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 14064 | Submission Open

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

(This special issue belongs to the Section Green Chemistry)

Advances in Physicochemical Properties of Innovative Food Products During Processing

edited by

Hanna Kowalska

and

Mariola Kozłowska

submission deadline 30 Jun 2026 | 6 articles | Viewed by 7507 | 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)

Aromatic Heterocyclic Compounds: Synthesis, Reactivity and Applications

edited by

Gilbert Kirsch

submission deadline 30 Jun 2026 | 3 articles | Viewed by 4598 | Submission Open

Keywords: aromatic heterocycles with one heteroatom; aromatic heterocycles with two or more heteroatoms; condensed compounds containing an aromatic heterocycle; direct synthesis; synthesis using electrophilic or nucleophilic reactions; metalation and reactivity; applications of aromatic heterocyclic compounds

(This special issue belongs to the Section Organic Chemistry)

Porous Polymers Design, Synthesis and Applications in the Field of Catalysis, Separation and Energy

edited by

Xianguang Meng

and

Qiang Shi

submission deadline 30 Jun 2026 | 2 articles | Viewed by 3683 | Submission Open

Keywords: polymers design and synthesis; pore structure; morphology; surface modification; physical characteristics; mechanical properties; catalysis; thermal stability; transport; separation; advanced techniques

(This special issue belongs to the Section Materials Chemistry)

30th Anniversary of Molecules: Recent Advances in Photochemistry

edited by

Marcelo Guzman

Youhong Tang

and

Michael Moustakas

submission deadline 30 Jun 2026 | 3 articles | Viewed by 2867 | Submission Open

Keywords: organic photochemistry synthetic photochemistry; photocatalysis; photofunctionalization; photobiology; medicinal photochemistry; computational photochemistry; photoelectrochemistry; solar energy conversion; condensed and gas phase photochemistry; polymer photochemistry; supramolecular photochemistry; photochromism; luminescent sensors; photochemistry for environmental remediation

(This special issue belongs to the Section Photochemistry)

Analytical Chemistry in Europe: Towards Sustainability and Quality of Life, 3rd Edition

edited by

Luís Passarinha

Eugenia Gallardo

and

Mário Barroso

submission deadline 30 Jun 2026 | 2 articles | Viewed by 1621 | Submission Open

Keywords: analytical and bioanalytical methods; chemistry; drugs; toxic compounds; biomarkers; sample preparation; life quality; sustainability

(This special issue belongs to the Section Analytical Chemistry)

Inorganic Chemistry in Asia, 2nd Edition

edited by

Takashiro Akitsu

submission deadline 30 Jun 2026 | 2 articles | Viewed by 1539 | Submission Open

Keywords: inorganic chemistry; coordination chemistry; organometallic chemistry; solid-state chemistry; bioinorganic chemistry; nuclear- and radiochemistry; theoretical calculation

(This special issue belongs to the Section Inorganic Chemistry)

Biological Activity and Chemical Composition of Honeybee Products

edited by

Maria Cristina Marcucci

and Alexandra Christine Helena F. Sawaya

submission deadline 30 Jun 2026 | 2 articles | Viewed by 1502 | Submission Open

Keywords: chemical composition; biological activity; products from native bees; regulation; quality control

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

New Insights into High Performance Carbon-Based Electrode Materials

edited by

Yongpeng Cui

and

Chong Xu

submission deadline 30 Jun 2026 | 1 articles | Viewed by 1400 | Submission Open

Keywords: carbon materials; energy storage and conversion; battery; supercapacitor; electrode material

(This special issue belongs to the Section Electrochemistry)

Anti-Aging and Skin Rejuvenation Ingredients: Design and Research

edited by

Anca Maria Juncan

Luca-Liviu Rus

and Daniela Lucia Muntean

submission deadline 30 Jun 2026 | 1 articles | Viewed by 1231 | Submission Open

Keywords: anti-aging ingredients; skin rejuvenation; nutricosmetics and cosmeceuticals; bioactive compounds; formulation and delivery systems; extracellular matrix and skin biology; in silico; in vitro and in vivo assessment

(This special issue belongs to the Section Applied Chemistry)

New Insights into Protein and Biomolecule Interactions

edited by Xin Peng and

Jiaxing Zhang

submission deadline 30 Jun 2026 | 1 articles | Viewed by 1051 | Submission Open

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

(This special issue belongs to the Section Bioorganic Chemistry)

Advancement in Phytochemistry and Pharmacology of Medicinal Plants

edited by

Marcelo José Dias

and Claúdia Quintino Da Rocha

submission deadline 30 Jun 2026 | 1 articles | Viewed by 1046 | Submission Open

Keywords: green chemistry and sustainable chemical processes; advanced thin layer chromatography; ethical application of artificial intelligence in natural products; natural product platforms; pharmaceutical biotechnology and chemical innovation; bioprospecting; phytomedicine; in vivo and in vitro ethnopharmacological studies; promising chemical– biological studies by research groups; phytomedicine and chemical standardization of herbal formulations

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

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

edited by

Qiang Zhang

submission deadline 30 Jun 2026 | 1 articles | Viewed by 996 | Submission Open

Keywords: natural products; bioactivities; structural elucidation; mechanisms

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

Plant Secondary Metabolites: Extraction, Isolation and Biological Activity

edited by

Antoaneta Trendafilova

submission deadline 30 Jun 2026 | 1 articles | Viewed by 965 | Submission Open

Keywords: secondary metabolites; extraction; chromatography; identification (NMR; MS; etc.); hyphenated techniques (Gc-MS; LC-MS; etc.); biological activity; structure– activity relationships; mechanism of action

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

Crystal and Molecular Structure: Theory and Application

edited by

Łukasz Szeleszczuk

submission deadline 30 Jun 2026 | 1 articles | Viewed by 964 | Submission Open

Keywords: crystal structure; molecular structure; DFT; structural analysis; molecular modeling; calculations; physicochemical analysis; polymorphism

(This special issue belongs to the Section Applied Chemistry)

Redox-Active Molecules as Key Players for Inflammatory Diseases

edited by Ange Mouithys-Mickalad

submission deadline 30 Jun 2026 | Viewed by 825 | Submission Open

Keywords: redox-active Molecules; oxidative stress; inflammatory diseases; QSAR; computer-aided drug design; redox active natural compounds

(This special issue belongs to the Section Medicinal Chemistry)

Applications of Radiochemistry in Healthcare

edited by

Pierre Bohn

submission deadline 30 Jun 2026 | 1 articles | Viewed by 764 | Submission Open

Keywords: radiochemistry; radioligand therapy; radiolabeled antibodies; nanobodies; radionuclides

(This special issue belongs to the Section Medicinal Chemistry)

Bioactivity of Natural Compounds: From Plants to Humans, 2nd Edition

edited by

Guglielmina Froldi

submission deadline 30 Jun 2026 | 1 articles | Viewed by 523 | Submission Open

Keywords: natural compounds; blood vessel; endothelium dysfunction; advanced glycation end products (AGEs); reactive oxygen species (ROS); cytokines; ADMET properties; pharmacokinetics; gender difference

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

Hybrid and Hierarchical Zeolite-Based Platforms for Sustainable Remediation and Resource Recovery

edited by

Annalisa Martucci

and

Maura Mancinelli

submission deadline 30 Jun 2026 | Viewed by 410 | Submission Open

Keywords: hybrid and hierarchical zeolite-based materials; environmental remediation technologies; PFAS and emerging persistent pollutants; water; air; and soil treatment; functional porous platforms; natural; synthetic; composite; and nano-zeolites; structure– contaminant interaction mechanisms; circular economy and sustainable applications

(This special issue belongs to the Section Materials Chemistry)

Displaying special issue 851-900 on page 18 of 22.

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