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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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Photocatalytic Materials and Photocatalytic Reactions, 2nd Edition

edited by

Sugang Meng

and

Bo Weng

submission deadline 31 Jul 2026 | 7 articles | Viewed by 7268 | Submission Open

Keywords: photocatalysts; carbon neutral; charge carrier separation; photocatalytic mechanism; photoredox reaction; nanocomposites

(This special issue belongs to the Section Photochemistry)

30th Anniversary of Molecules—Recent Advances in Applied Chemistry

edited by

Bhanu P. S. Chauhan

and

Shijun Liao

submission deadline 31 Jul 2026 | 7 articles | Viewed by 7145 | Submission Open

Keywords: applied chemistry; new molecules and natural materials; analytical methods and techniques; electrochemistry and energy; biodegradable materials and medicines; environment and green chemistry; theoretical chemistry

(This special issue belongs to the Section Applied Chemistry)

Synthesis, Identification and Biological Evaluation of Novel Natural and Derivative Products

edited by

Elson S. Alvarenga

submission deadline 31 Jul 2026 | 1 articles | Viewed by 2486 | Submission Open

Keywords: organic synthesis; natural products; theoretical calculation; DFT; structure identification; biological evaluation

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

Extraction Techniques for Sample Preparation

edited by

Vincenzo Ferrone

and

Pantaleone Bruni

submission deadline 31 Jul 2026 | 1 articles | Viewed by 619 | 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)

Indole Derivatives: Synthesis and Application III

edited by

David StC Black

and

Naresh Kumar

submission deadline 31 Jul 2026 | Viewed by 179 | Submission Open

Keywords: organic synthesis; natural products; heterocyclic compounds; ring cyclisations; metal complexes; organometallic compounds; polymers; molecular rearrangements; biological activity

Advances in Sustainable and Functional Bio-Based Porous Materials for Environmental Remediation

edited by

Qiangu Yan

and Yufei Nan

submission deadline 31 Jul 2026 | Viewed by 110 | Submission Open

Keywords: bio-based materials; porous structure; adsorption of heavy metals/organics/dyes/microplastics; sustainable processing

(This special issue belongs to the Section Materials Chemistry)

Synthesis and Biological Properties of Natural Product Analogues

edited by

Zhiran Ju

and

Lijian Ding

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

Keywords: natural product analogues; synthesis; biological evaluation; structure– activity relationship (SAR); NP-based therapeutic agents; pharmacophores

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

Discovery and Structure Optimization of Antibacterial Natural Products

edited by

Yong Guo

submission deadline 31 Jul 2026 | Viewed by 94 | Submission Open

Keywords: natural products; structure optimization; antibiotic discovery; antibacterial activity; scaffold diversity

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

Recent Advances in Chemical Treatments of Wastewater

edited by

Yi Yang

and

Fuqiang Fan

submission deadline 31 Jul 2026 | Viewed by 50 | Submission Open

Keywords: wastewater treatment processes; purification mechanism; environmental remediation materials; water reuse

(This special issue belongs to the Section Green Chemistry)

The Chemistry of Food Quality Changes During Processing and Storage

edited by

Bartosz Kruszewski

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

Keywords: innovative processing; microbiological quality; mitigation strategies; processing optimization; shelf life extension; physicochemical changes; nutritional value; antioxidant capacity

(This special issue belongs to the Section Food Chemistry)

Essential Oils in Human Health—2nd Edition

edited by

Giulia Vanti

and

Ekaterina-Michaela Tomou

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

Keywords: essential oils; extraction; characterization; composition; biological properties

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

Biocatalysis in Deep Eutectic Solvents: Stability, Immobilization and Applications

edited by

Nadia Guajardo

and

Nicolás F. Gajardo-Parra

submission deadline 31 Jul 2026 | Viewed by 41 | Submission Open

Keywords: biocatalysis; deep eutectic solvents; enzyme stability; enzyme selectivity; enzyme immobilization; reaction medium; enzymatic reactors; enzyme molecular dynamics

(This special issue belongs to the Section Green Chemistry)

Computational Approaches in Pharmaceutical Chemistry: Challenges and Opportunities

edited by

Roberta Rocca

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

Keywords: molecular docking; protein– ligand interactions; structure-based and ligand-based virtual screening; molecular dynamics; pharmacophore modeling; enhanced sampling methods; drug discovery; lead optimization

(This special issue belongs to the Section Medicinal Chemistry)

Biomass and Waste Conversion and Valorization to Chemicals, Energy and Fuels, 2nd Edition

edited by José A.P. Coelho and Roumiana P. Stateva

submission deadline 31 Jul 2026 | Viewed by 24 | Submission Open

Keywords: plants and microalgal biomass; sustainable waste valorization; biofuels; biorefinery; neoteric solvents

(This special issue belongs to the Section Green Chemistry)

Applications of Agro-Industrial By-Products in Health and Beauty: Innovative Strategies and Applications

edited by

Faezeh Fathi

and

Maria Beatriz Prior Pinto Oliveira

submission deadline 31 Jul 2026 | Viewed by 21 | Submission Open

Keywords: valorization of by-products; bioactive compounds; extraction technologies; delivery systems (micro/nano-carriers); health and skin applications

(This special issue belongs to the Section Food Chemistry)

Advances in Chemical Biology of Blood Vessels: From Molecular Interactions to Prospective Targets

edited by

Anthony Zulli

submission deadline 31 Jul 2026 | Viewed by 16 | Submission Open

Keywords: chemoproteomics and activity-based profiling; endothelial signaling and heterogeneity; angiogenesis and vascular remodeling; chemical biology spatial proteomics; real-time chemical probes and dynamic signaling; precision targeting in cardiovascular disease and cancer

(This special issue belongs to the Section Chemical Biology)

Chemical Research on Advanced Nanomaterials for Promoting Sustainability

edited by

Ajay Kumar Mishra

submission deadline 31 Jul 2026 | Viewed by 14 | Submission Open

Keywords: nanomaterials; photocatalysis; adsorption; biodegradability; sustainability

(This special issue belongs to the Section Green Chemistry)

Design, Preparation, and Applications of Functional Hybrid Nanocomposites Containing Polymers

edited by

Simona Căprărescu

submission deadline 1 Aug 2026 | Viewed by 47 | Submission Open

Keywords: advanced nanocomposites; nano-hybrids; polymer composites; innovative methods; multifunctional coatings; characterisation; applications

(This special issue belongs to the Section Materials Chemistry)

Chromatography and Spectroscopy in Food, Environmental, and Pharmaceutical Sciences

edited by

Antonella Maria Aresta

and Alessia Di Gilio

submission deadline 6 Aug 2026 | Viewed by 29 | Submission Open

Keywords: chromatographic techniques; phytochemicals; pollutants; mass spectrometry; functional foods; extraction techniques; biological assays; pollutant abatement; nutraceuticals or additives

(This special issue belongs to the Section Analytical Chemistry)

Analysis of Natural Volatile Organic Compounds (NVOCs)

edited by

Igor Jerković

submission deadline 30 Aug 2026 | Viewed by 323 | Submission Open

Keywords: volatile organic compounds; essential oils; headspace; terpene; norisoporenoid and phenylpropane derivatives; aliphatic compounds; gas chromatography

(This special issue belongs to the Section Flavours and Fragrances)

Droplet Chemistry: Superwetting, Evaporation and Applications

edited by

Ruoyang Chen

Xiaoguang Li

and

Panagiotis Theodorakis

submission deadline 30 Aug 2026 | Viewed by 110 | Submission Open

Keywords: superwetting; evaporation control; droplet manipulation; evaporation dynamics

(This special issue belongs to the Section Physical Chemistry)

Biobased Materials for Tissue Engineering

edited by

Carlos David Grande Tovar

submission deadline 31 Aug 2026 | 3 articles | Viewed by 8379 | Submission Open

Keywords: biobased materials; biopolymers; scaffold development; tissue engineering; regenerative therapy; cell culture; stem cell therapy; drug delivery; hydrogels; wound dressing

(This special issue belongs to the Section Materials Chemistry)

Modern Application of Cycloaddition Reactions: Experimental and Theoretical Research

edited by

Agnieszka Kącka-Zych

and Patricia Perez

submission deadline 31 Aug 2026 | 1 articles | Viewed by 786 | Submission Open

Keywords: cycloaddition reactions; molecular electron density theory; density functional theory; reaction mechanism; organic synthesis; bioactive compounds; biological activity of heterocyclic compounds

(This special issue belongs to the Section Organic Chemistry)

Emerging Horizons of Hyperpolarization in Chemistry and Biomedicine

edited by

Roman Shchepin

submission deadline 31 Aug 2026 | 1 articles | Viewed by 648 | Submission Open

Keywords: hyperpolarization; NMR; MRI; low cost; SABRE; PHIP; d-DNP; isotopic enrichment

Isolation and Structure Determination of Bioactive Natural Products, Third Edition

edited by

Aleksandra Szydłowska-Czerniak

submission deadline 31 Aug 2026 | Viewed by 132 | Submission Open

Keywords: primary and secondary plant metabolites; sample preparation methods; hyphenated analytical methods; natural product research; measuring biological activity; structure– activity relationships

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

Natural and Synthetic Bioactive Compounds in Food—Risks and Benefits

edited by

Andreas Eisenreich

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

Keywords: bioactive compounds; health; safety; effects; toxicology; biology; food; feed

(This special issue belongs to the Section Medicinal Chemistry)

Chemical Composition and Biological Activity of Essential Oils and Other Extracts: From Extraction to Application Second Edition

edited by

Kristina Ložienė

submission deadline 31 Aug 2026 | Viewed by 46 | Submission Open

Keywords: medicinal and aromatica plant resources; plant extracts; essential oils; secondary metabolites; chromatography; mass spectrometry; bioactivity; synergism; application

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

Catalytic Materials from Wastes for Environmental Pollution Control

edited by

Jorge Sambeth

, Maria Victoria Gallegos and Franco Dubois

submission deadline 31 Aug 2026 | Viewed by 33 | Submission Open

Keywords: waste valorization; heterogeneous catalysis; environmental remediation; circular economy; sustainable energy

(This special issue belongs to the Section Materials Chemistry)

Carbon-Based Electrochemical Materials for Energy Storage, 2nd Edition

edited by Huicong Xia

submission deadline 1 Sep 2026 | Viewed by 32 | Submission Open

Keywords: carbon-based nanomaterials; energy storage; batteries; supercapacitors; fuel cells; electrochemical reactions

(This special issue belongs to the Section Electrochemistry)

Metal Complexes for Optical and Electronics Applications

edited by

Paola Deplano

Flavia Artizzu

and

Luca Pilia

submission deadline 30 Sep 2026 | 9 articles | Viewed by 17530 | Submission Open

Keywords: coordination chemistry; metal complexes; transition metals; lanthanides; luminescence; nonlinear optics; photo-switching; conductivity

(This special issue belongs to the Section Applied Chemistry)

Advances in Emerging Photovoltaic: From Materials and Devices to Modules

edited by

Guilong Cai

submission deadline 30 Sep 2026 | Viewed by 23 | Submission Open

Keywords: design and synthesis of photovoltaic materials; perovskite photovoltaics; organic photovoltaics; quantum dot solar cells; scalability and stability

(This special issue belongs to the Section Materials Chemistry)

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 7260 | 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)

Advances in Alkyne Chemistry

edited by Ruimao Hua

submission deadline 25 Nov 2026 | 7 articles | Viewed by 30040 | 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 13406 | 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)

30th Anniversary of Molecules—Recent Advances in Computational and Theoretical Chemistry

edited by

Maxim L. Kuznetsov

submission deadline 30 Nov 2026 | 5 articles | Viewed by 5881 | 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)

Bioactive Components in Plants: Extraction, Characterization and Antioxidant Activity

edited by

Maria Celeiro

submission deadline 15 Dec 2026 | Viewed by 32 | 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 512 | 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 | 7 articles | Viewed by 10926 | 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 Inorganic Chemistry

edited by

Axel Klein

Richard Dronskowski

and

Vassilis Tangoulis

submission deadline 31 Dec 2026 | 8 articles | Viewed by 6941 | 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)

30th Anniversary of Molecules—Recent Advances in Analytical Chemistry

edited by

Wilfried Rozhon

Simone Morais

and

Agostinho Almeida

submission deadline 31 Dec 2026 | 2 articles | Viewed by 3458 | 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 2012 | 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 1775 | 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)

Functional Molecules Design for Nutrition Health

edited by

Libing Liu

and

Yu Feng

submission deadline 31 Dec 2026 | Viewed by 39 | 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)

Synthesis of Innovative and Smart Materials for Batteries

edited by

Laiqiang Xu

and Kangyu Zou

submission deadline 31 Dec 2026 | Viewed by 24 | Submission Open

Keywords: batteries; energy storage; electrodes; materials design; smart functional components

(This special issue belongs to the Section Materials Chemistry)

Electrochemical Approaches in Bioanalysis: Translational Applications in Medicine and Environmental Monitoring

edited by Mihaela Tertis

submission deadline 31 Dec 2026 | Viewed by 15 | Submission Open

Keywords: electrochemical bioanalysis; sensors and biosensors; nanomaterials and biomimetic-based platforms; point-of-care diagnostics; environmental monitoring

(This special issue belongs to the Section Electrochemistry)

Displaying special issue 951-1000 on page 20 of 20.

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