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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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Discovery and Structure Optimization of Antibacterial Natural Products

edited by

Yong Guo

submission deadline 31 Jul 2026 | Viewed by 153 | Submission Open

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

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

Synthesis and Biological Properties of Natural Product Analogues

edited by

Zhiran Ju

and

Lijian Ding

submission deadline 31 Jul 2026 | Viewed by 131 | 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)

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 118 | 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)

Recent Advances in Chemical Treatments of Wastewater

edited by

Yi Yang

and

Fuqiang Fan

submission deadline 31 Jul 2026 | Viewed by 104 | Submission Open

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

(This special issue belongs to the Section Green Chemistry)

Essential Oils in Human Health—2nd Edition

edited by

Giulia Vanti

and

Ekaterina-Michaela Tomou

submission deadline 31 Jul 2026 | Viewed by 103 | Submission Open

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

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

The Chemistry of Food Quality Changes During Processing and Storage

edited by

Bartosz Kruszewski

submission deadline 31 Jul 2026 | Viewed by 92 | 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)

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 83 | 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)

Recent Advances in Amino Acid-Based Ionic Liquids

edited by

Maya Guncheva

submission deadline 31 Jul 2026 | Viewed by 80 | Submission Open

Keywords: synthesis; physicochemical properties; theoretical studies; functional materials; drug formulation; (bio)separation; (bio)catalysis; toxicity

(This special issue belongs to the Section Molecular Liquids)

Synthesis, Characterization and Applications of Vitrimers

edited by

Giulio Malucelli

Alberto Mariani

and

Daniele Nuvoli

submission deadline 31 Jul 2026 | Viewed by 74 | Submission Open

Keywords: vitrimers; covalent adaptive networks; dynamic exchangeable linkages; recyclability; reshapeability; self-healing

(This special issue belongs to the Section Materials Chemistry)

Computational Approaches in Pharmaceutical Chemistry: Challenges and Opportunities

edited by

Roberta Rocca

submission deadline 31 Jul 2026 | Viewed by 67 | 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)

DNA Nanostructures and Biomedicine

edited by

Yinan Zhang

and

Alexander Kotlyar

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

Keywords: DNA nanostructures; biomedicine; drug delivery; biosensing; nucleic acid drugs

(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 60 | Submission Open

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

(This special issue belongs to the Section Green Chemistry)

Chemical Research on Advanced Nanomaterials for Promoting Sustainability

edited by

Ajay Kumar Mishra

submission deadline 31 Jul 2026 | Viewed by 53 | Submission Open

Keywords: nanomaterials; photocatalysis; adsorption; biodegradability; sustainability

(This special issue belongs to the Section Green Chemistry)

Natural Ingredient-Based Cosmeceutical: Advances and Applications in Cosmetics Chemistry

edited by

Katarzyna Dos Santos Szewczyk

and

Katarzyna Wojciechowska

submission deadline 31 Jul 2026 | Viewed by 53 | Submission Open

Keywords: natural ingredients; cosmeceuticals; cosmetic chemistry; bioactive compounds; plant extracts; skin health; anti-aging; antioxidants; cosmetic formulation; innovative technologies in cosmetology; safety and toxicology; photoprotection; marine-derived actives; biopolymers; sustainable cosmetics; nano-delivery systems; dermal applications; functional skincare

(This special issue belongs to the Section Medicinal Chemistry)

Carotenoids and Their Derivatives: Extraction, Characterization, and Applications

edited by

Gabriela Rapeanu

Claudia Inés Victoria-Campos

and

Braulio Cervantes-Paz

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

Keywords: carotenoids; carotenoid derivatives; green extraction technologies; analytical characterization; bioaccessibility; bioavailability; encapsulation and delivery systems; functional foods

(This special issue belongs to the Section Natural Products 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 50 | 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)

Bioactive Compounds as Modulators of Antioxidant Activity and Inflammatory Processes in Related Diseases

edited by

Raluca Maria Pop

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

Keywords: natural bioactive compounds; antioxidant activities; anti-inflammatory activities; efficacy; safety; concentration-dependent effects; antioxidant/pro-oxidant balance

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

New Horizons in Drug Repurposing

edited by

Dimitra Hadjipavlou-Litina

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

Keywords: drug discovery; drug repositioning; drug repurposing; genetic diseases; rare diseases; cancer; orphan drugs

(This special issue belongs to the Section Medicinal Chemistry)

Functional Nanomaterials and Composites: From Design Towards Energy & Environmental Applications

edited by

Edgar Mosquera-Vargas

and

Luis Alfredo Rodríguez

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

Keywords: nanomaterials; composites; energy applications; environmental remediation; sustainable technologies

(This special issue belongs to the Section Nanochemistry)

Advances in Intercalation Chemistry

edited by

Klára Melánová

and

Morena Nocchetti

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

Keywords: intercalation; layered compound application; synthesis; clay-based materials; layered phosphates; layered double hydroxides; graphite; ion exchange

(This special issue belongs to the Section Materials Chemistry)

Marine Plant Metabolites as a Source of Novel Bioactive Agents: Isolation and Applications

edited by

Francesco Balestri

and

Francesca Felice

submission deadline 31 Jul 2026 | Viewed by 38 | Submission Open

Keywords: marine algae; aquatic plants; bioactive metabolites; extraction and isolation techniques; natural product characterization; bioproducts and biofuels; cell metabolism; pharmacological targets

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

Computational Photochemistry: Challenges and Possibilities

edited by

Yuehui Li

submission deadline 31 Jul 2026 | Viewed by 35 | Submission Open

Keywords: computational photochemistry; quantum mechanical methods; excited state; environmental photocatalysis; photodynamic therapy; photocatalytic water splitting; CO2 photoreduction; photochemical transformation of small molecules; mechanisms of luminescent materials

(This special issue belongs to the Section Photochemistry)

Food Sustainability: Promising By-Products for Valorization—3rd Edition

edited by

José Virgílio Santulhão Pinela

, Mihai Babotă and

Deepak Sharma

submission deadline 31 Jul 2026 | Viewed by 34 | Submission Open

Keywords: agri-food by-products; extraction and separation methods; functional bio-based ingredients; analytical chemistry; plant toxins; secondary metabolites; side-stream processing; biorefinery approaches

(This special issue belongs to the Section Food Chemistry)

Natural Pigments and Colorants in Food: Sources, Stability and Applications

edited by

Marcin Andrzej Kurek

, Jarosław Wyrwisz, Małgorzata Moczkowska-Wyrwisz and Sabina Karp-Paździerska

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

Keywords: natural colorants; anthocyanins; carotenoids; betalains; chlorophylls; encapsulation; stability; food applications; biopolymer interactions

(This special issue belongs to the Section Food Chemistry)

Green and Sustainable Biomass Processing: Ionic Liquids or Solvent-Free Approaches for Advanced Materials

edited by

Gyanendra Sharma

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

Keywords: ionic liquids; solvent-free; biomass processing; green chemistry; cellulose processing; mechanochemistry; deep eutectic solvents; sustainable materials

(This special issue belongs to the Section Green Chemistry)

Integration of Chemical, Biotechnological, and Process Engineering Tools for Sustainable and Circular Food Manufacturing

edited by

Monica Rosa Loizzo

and

Vincenzo Sicari

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

Keywords: sustainability; circular economy; food manufacturing; green chemistry; bioprocess engineering; biotechnology; process intensification; waste valorization; enzyme technology

(This special issue belongs to the Section Food Chemistry)

Natural and Sustainable Emulsions: Design, Stabilization, and Functional Applications

edited by

Maria Filomena Barreiro

Arantzazu Santamaria-Echart

and

Tatiana B. Schreiner

submission deadline 31 Jul 2026 | Viewed by 20 | Submission Open

Keywords: natural emulsifiers; pickering emulsions; biopolymer stabilization; microencapsulation; sustainable formulations; bio-based materials

(This special issue belongs to the Section Materials Chemistry)

Removal of Micro- and Nanoplastics from Water

edited by

Xianhua Liu

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

Keywords: microplastics; nanoplastics; water purification; adsorption; photocatalysis; membrane filtration; biodegradation; electrochemical removal; environmental remediation; sustainable materials

(This special issue belongs to the Section Green Chemistry)

Advances in Glycoconjugates: Chemistry and Chemical Biology—2nd Edition

edited by

Patrick M. Martin

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

Keywords: extraction; characterization; analysis; glycolipids; glycopeptides; glycoproteins; oligosaccharides; chemo-enzymatic modification/synthesis/green synthesis; glycosylation; glycodendrimers; glycomimetics; glycosyltransferases; amphiphiles; bio-control; food applications; cosmetic applications; biological applications; biomedical applications; biomaterials; drug-targeting systems; remediation

(This special issue belongs to the Section Chemical Biology)

Environmental Analysis and Removal of Emerging Pollutants

edited by

Jing Xu

Wenyu Huang

and

Lei Zhou

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

Keywords: pharmaceutical pollutants; industrial additives pollutants; analytical approaches; adsorption and photocatalytic removal processes; redox-driven degradation; bioremediation mechanisms

(This special issue belongs to the Section Green Chemistry)

Designed Multiple Ligands in Drug Design and Development-Second Edition

edited by

Rosanna Maccari

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

Keywords: multitarget ligands; drug design; lead generation; lead optimization; hybrid compounds; chemical synthesis; biological screenings; structure– activity relationships; drug discovery

(This special issue belongs to the Section Medicinal Chemistry)

Gold Nanoparticles in Biomedical Applications: Recent Advances and Future Perspectives

edited by

Rafik Karaman

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

Keywords: drug delivery; gene delivery; imaging and diagnostics; therapeutic agents; tissue engineering and regenerative medicine

(This special issue belongs to the Section Medicinal Chemistry)

Anticancer, Antioxidant, and Anti-Inflammatory Activities of Natural Products, Second Edition

edited by

Rositsa Mihaylova

submission deadline 31 Jul 2026 | Viewed by 9 | Submission Open

Keywords: natural products; anticancer; antioxidant; anti-inflammatory; plant extracts; derived compounds; oxidative stress

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

Beauty Science for a Sustainable Future: Green Technologies in Cosmetics

edited by Claudinéia Aparecida Sales De Oliveira Pinto

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

Keywords: green technologies; eco-friendly extraction; natural products; renewable raw materials; biodegradable formulations

(This special issue belongs to the Section Green Chemistry)

Electrochemical Reduction of CO₂

edited by

Krishnamoorthy Sathiyan

and Toshiaki Taniike

submission deadline 31 Jul 2026 | Submission Open

Keywords: material science; electrocatalysis; catalyst design; CO2 reduction; C– C coupling; reaction mechanism; carbon recycling; value-added chemicals

(This special issue belongs to the Section Electrochemistry)

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

edited by

Simona Căprărescu

submission deadline 1 Aug 2026 | Viewed by 124 | Submission Open

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

(This special issue belongs to the Section Materials Chemistry)

Multiscale Insights into Dielectric Materials: From Molecular Design to Electrical Performance

edited by

Shangshi Huang

Xiaoxiao Kong

and

Wenyu Ye

submission deadline 1 Aug 2026 | Viewed by 124 | Submission Open

Keywords: dielectric materials; molecular design; multiscale modeling; structure– property relationships; electrical performance; polymer dielectrics; energy storage; computational materials science

(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 74 | 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)

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

edited by

Kuniyoshi Shimizu

and

Yhiya Amen

submission deadline 16 Aug 2026 | 6 articles | Viewed by 17603 | 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)

Advances in Dyes and Photochromics

edited by

Jose Antonio Gonzalez Delgado

Agostina-Lina Capodilupo

and

Jesús F. Arteaga

submission deadline 16 Aug 2026 | 1 articles | Viewed by 1530 | 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)

Analysis of Natural Volatile Organic Compounds (NVOCs)

edited by

Igor Jerković

submission deadline 30 Aug 2026 | 3 articles | Viewed by 973 | 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 144 | Submission Open

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

(This special issue belongs to the Section Physical Chemistry)

Porphyrin-Based Molecules: From Synthesis to Structure–Activity Relationships and Applications

edited by Prashanth K. Poddutoori

submission deadline 30 Aug 2026 | Viewed by 43 | Submission Open

Keywords: porphyrin; phthalocyanine; corrole; borondipyrromethane; synthesis; photophysics; electrochemistry; energy transfer; electron transfer; solar energy conversion; photodynamic therapy; molecular electronics; photonics; and catalysis

(This special issue belongs to the Section Organic Chemistry)

Biobased Materials for Tissue Engineering

edited by

Carlos David Grande Tovar

submission deadline 31 Aug 2026 | 3 articles | Viewed by 10453 | 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)

Bio-Based and Natural Compounds: A Sustainable Approach for an Environmental Transition

edited by

Marco Zannotti

and

Rita Giovannetti

submission deadline 31 Aug 2026 | 2 articles | Viewed by 3979 | Submission Open

Keywords: bio-based materials; green materials; environmental application; natural compounds; characterization; sustainability

(This special issue belongs to the Section Green Chemistry)

Bioproducts for Health, 4th Edition

edited by

María Emilia Brassesco

Ezequiel Coscueta

and

Manuela Pintado

submission deadline 31 Aug 2026 | 3 articles | Viewed by 3212 | Submission Open

Keywords: bioactive compounds; health applications; natural sources; purification; downstream processing; sustainability

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

Emerging Horizons of Hyperpolarization in Chemistry and Biomedicine

edited by

Roman Shchepin

submission deadline 31 Aug 2026 | 3 articles | Viewed by 2084 | Submission Open

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

Applications of Solid-Phase Microextraction and Related Techniques, the Second Edition

edited by

Hiroyuki Kataoka

submission deadline 31 Aug 2026 | 1 articles | Viewed by 1235 | Submission Open

Keywords: solid-phase microextraction; micriextraction techniques; extraction sorbents; pharmaceutical analysis; forensic analysis; bioanalysis; environmental analysis; food analysis

(This special issue belongs to the Section Analytical 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 | 1 articles | Viewed by 1153 | 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)

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 1058 | 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)

Displaying special issue 1001-1050 on page 21 of 23.

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