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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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Natural Bioactives and Functional Ingredients in Foods

edited by

Cristina Caleja

submission deadline 16 May 2026 | 1 articles | Viewed by 318 | Submission Open

Keywords: natural bioactive compounds; functional food ingredients; health-promoting foods; nutraceuticals; food innovation

(This special issue belongs to the Section Food Chemistry)

The State-of-the-Art in Improving the Antitumor Efficacy of Platinum Drugs

edited by

Mauro Ravera

and

Elisabetta Gabano

submission deadline 20 May 2026 | 1 articles | Viewed by 3443 | Submission Open

Keywords: bioinorganic chemistry; metal-based drugs; pt coordination compounds; pharmacodynamics; pharmacokinetics

(This special issue belongs to the Section Medicinal Chemistry)

Application of Organic Synthesis to Bioactive Compounds, 3rd Edition

edited by

Mª Ángeles Castro

and

David Díez

submission deadline 20 May 2026 | Viewed by 44 | Submission Open

Keywords: natural products; organic synthesis; bioactive compounds; chemotherapy; artificial intelligence; chemo-enzymatic

(This special issue belongs to the Section Organic Chemistry)

Green Analytical Chemistry: From Sample Preparation to Detection

edited by

Victoria Samanidou

and

Irene Panderi

submission deadline 30 May 2026 | 1 articles | Viewed by 4230 | Submission Open

Keywords: green chemistry; green analytical chemistry; green sample preparation; microextraction techniques; pharmaceutical analysis; bioanalysis; metric tools; miniaturization; automated techniques; sustainable analytical workflows

(This special issue belongs to the Section Analytical Chemistry)

Flavors and Fragrances in China

edited by

Shuang Chen

submission deadline 30 May 2026 | Viewed by 64 | Submission Open

Keywords: Chinese foods; flavor chemistry; flavor analysis; GC– MS/olfactometry; Chinese baijiu

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

Emerging Contaminants and Their Transformation Products in the Environment: Advanced Analytical Methods for Assessing Ecological and Human Health Impacts

edited by

Maria Feo

submission deadline 30 May 2026 | Viewed by 58 | Submission Open

Keywords: emerging contaminants; transformation products; analytical methods; ecological impact; human health risk; contaminant fate; environmental monitoring

(This special issue belongs to the Section Analytical Chemistry)

Effect of Natural Products in the Cancer Therapy Mechanism—2nd Edition

edited by

Maciej Tarnowski

submission deadline 30 May 2026 | Viewed by 41 | Submission Open

Keywords: anticancer activities; therapeutic potential of plants; phytochemicals; natural products; apoptosis; metastasis; angiogenesis; molecular mechanisms; alkaloids; terpenoids; polyphenols

(This special issue belongs to the Section Chemical Biology)

Advancing Polyethylene Glycol as a Green Solvent in Chemical and Engineering Applications

edited by

Markus M. Hoffmann

submission deadline 30 May 2026 | Viewed by 30 | Submission Open

Keywords: polyethylene glycol; PEGylated chemicals; fundamental research on PEG; PEG as a chemical solvent; PEG in deep eutectic solvents; PEG in mixed solvents; PEG centered applications

(This special issue belongs to the Section Molecular Liquids)

Recent Advances in Protein Crystallography Methods and Instrumentation

edited by

Eugenia Pechkova

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

Keywords: protein crystallography; advanced crystallization techniques; advanced X-ray sources; X-ray free-electron lasers (XFELs); fourth-generation high-brilliance synchrotrons; microcrystals and nanocrystals; radiation damage; time-resolved experiments; cryo-electron microscopy (cryo-EM); advanced crystallization techniques; lipid cubic phase (LCP); microseed matrix screening (MMS); langmuir– Blodgett nanotemplate (LBNT); ultrasound and microwave-assisted crystallization; electro-crystallization; controlled evaporative crystallization; nanocrystallization

(This special issue belongs to the Section Chemical Biology)

Computational Approaches in Antimicrobial and Antiviral Drug Discovery: Deciphering Drug Binding and Molecular Mechanisms

edited by

Mattia Falconi

Alice Romeo

and Simone La Frazia

submission deadline 31 May 2026 | 6 articles | Viewed by 12214 | Submission Open

Keywords: molecular docking; virtual screening; molecular dynamics simulations; artificial intelligence; antimicrobial or antiviral activity; computational drug discovery; molecular mechanisms; experimental assays

(This special issue belongs to the Section Computational and Theoretical Chemistry)

Current Research Status of Metal-Organic Frameworks and Covalent Organic Frameworks

edited by Teng Zhang and Wenju Wang

submission deadline 31 May 2026 | 6 articles | Viewed by 11847 | Submission Open

Keywords: gas separation; gas storage; catalyst; chemical sensing; biological application; energy storage

(This special issue belongs to the Section Materials Chemistry)

Biologically Active Molecules: Extraction Strategies, Therapeutic Potential and Biomedical Perspective

edited by

Grażyna Zgórka

submission deadline 31 May 2026 | 5 articles | Viewed by 7032 | Submission Open

Keywords: natural bioactive components; extraction techniques; therapeutic and biomedical profiling

(This special issue belongs to the Section Medicinal Chemistry)

New Strategies for Drug Development

edited by

Danuta Wojcieszyńska

and Ariel Marchlewicz

submission deadline 31 May 2026 | 3 articles | Viewed by 5637 | Submission Open

Keywords: drugs; biosynthesis; biotransformation; natural products; biological activity; bioactive compounds; structure– activity relationship; drug development

(This special issue belongs to the Section Medicinal Chemistry)

Featured Review Papers in Food Chemistry—2nd Edition

edited by

Fei Tao

submission deadline 31 May 2026 | 2 articles | Viewed by 4672 | Submission Open

Keywords: food analysis; food additives; food supplements; functional foods; physicochemical properties; agro-food wastes recycling; bioaccessibility and bioavailability; food stability; food security

(This special issue belongs to the Section Food Chemistry)

Harnessing Nature’s Chemical Diversity: Innovations in Isolation, Identification, and Synthesis

edited by Niko Radulović and

Marko Z. Mladenović

submission deadline 31 May 2026 | 3 articles | Viewed by 4621 | Submission Open

Keywords: natural product chemistry; phytochemistry and essential oils; isolation and structural elucidation; chromatographic techniques (GC; HPLC; etc.); mass spectrometry (GC-MS; LC-MS; etc.); NMR spectroscopy; analytical chemistry; synthetic and semi-synthetic methods; bioactive compounds and biological activity; medicinal and aromatic plants; chemotaxonomy; chemical ecology and plant defense mechanisms; biotechnological applications; structure– activity relationships (SAR); biomimetic synthesis

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

Phytochemistry, Antioxidants, and Anti-Diabetes

edited by

Valerija Vujčić Bok

, Gordana Rusak and

Ivana Sola

submission deadline 31 May 2026 | 2 articles | Viewed by 4132 | Submission Open

Keywords: bioactive compounds; natural antioxidants; plant extracts; functional foods; nutraceuticals; diabetes

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

5th Anniversary of the "Applied Chemistry" Section

edited by

Shaojun Yuan

submission deadline 31 May 2026 | 4 articles | Viewed by 3397 | Submission Open

Keywords: applied chemistry; new molecules and natural materials; solar energy and photo-electro-catalysis; analytical methods and techniques; electrochemistry and energy; biodegradable materials and medicines; environment and green chemistry

(This special issue belongs to the Section Applied Chemistry)

Development and Design of Novel Electrode Materials

edited by

Lei Wang

submission deadline 31 May 2026 | 3 articles | Viewed by 3321 | Submission Open

Keywords: electrode materials; supercapacitors; batteries; electrocatalysis; photovoltaic materials

(This special issue belongs to the Section Electrochemistry)

Exclusive Feature Papers on Molecular Structure, 2nd Edition

edited by

Chan Kyung Kim

submission deadline 31 May 2026 | 3 articles | Viewed by 3267 | Submission Open

Keywords: molecular structure; chemical bonding; molecular clusters; molecular similarity; protein structure prediction; quantum chemistry; spectroscopy; molecular dynamics simulations

(This special issue belongs to the Section Molecular Structure)

Antimicrobial Compounds and Biocontrol Strategies in Food Microbiology and Safety

edited by

María José Benito

and

Rocío Casquete Palencia

submission deadline 31 May 2026 | 2 articles | Viewed by 3164 | Submission Open

Keywords: antimicrobial compound; natural; synthetic; microbial; application; biocontrol; food; crop; agricultural; pathogenic; spoilage; bacteria; mold; in vitro; in vivo; mechanisms of action; membrane disruption; enzyme inhibition; interference with microbial communication; resistance management

(This special issue belongs to the Section Food Chemistry)

Feature Papers in Applied Chemistry: 4th Edition

edited by

Shaojun Yuan

submission deadline 31 May 2026 | 2 articles | Viewed by 2854 | Submission Open

Keywords: applied chemistry; new molecules/materials; analytical methods and techniques; electrochemistry and catalysis; new materials and medicines

(This special issue belongs to the Section Applied Chemistry)

Opportunities and Challenges in Protein Crystallography

edited by

Rocco Caliandro

submission deadline 31 May 2026 | 1 articles | Viewed by 2637 | Submission Open

Keywords: protein crystals; X-ray diffraction; cryo-EM; small-angle X-ray scattering; phasing methods; structural analysis

(This special issue belongs to the Section Chemical Biology)

Nanotechnology Landscape in Modern Medicine

edited by

Gianina Dodi

submission deadline 31 May 2026 | 1 articles | Viewed by 2522 | Submission Open

Keywords: nanotechnology; nanomedicine; healthcare; nanomaterials and nanostructures; nanoparticles; drug delivery systems; regenerative medicine; biosensing and monitoring; imaging and dignosis

(This special issue belongs to the Section Materials Chemistry)

Challenges and Future Directions in Toxic Activity and Antimicrobial Application of Plant and Food Extracts

edited by

Felipe Ascencio

and

Norma Hernández-Saavedra

submission deadline 31 May 2026 | 2 articles | Viewed by 2401 | Submission Open

Keywords: effectiveness: evaluate the efficacy of extracts under various conditions and against different pathogens; toxicity: investigate potential adverse effects of extracts on humans and animals; biodiversity: explore the diversity of plant species to discover new antimicrobial properties; sustainability: develop extraction and production methods that are environmentally friendly and sustainable; innovation: apply modern technologies; such as biotechnology; to improve the efficacy of extracts

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

Nutritional and Bioactive Components of Edible Parts of Medicinal Plants

edited by

Monika Kosmala

Elżbieta Karlińska

and Joanna Milala

submission deadline 31 May 2026 | 3 articles | Viewed by 2190 | Submission Open

Keywords: herbs; dietary fiber; polyphenols; ellagitannins; antioxidants; minerals; gastrointestinal track

(This special issue belongs to the Section Food Chemistry)

Bioactive Compounds for Brain Ischemia and Neurodegenerative Disease—3rd Edition

edited by

Ramunė Morkūnienė

and

Dalia M. Kopustinskiene

submission deadline 31 May 2026 | 1 articles | Viewed by 1881 | Submission Open

Keywords: brain; neuroprotection; neurodegenerative diseases; ischemia; mitochondria; oxidative stress; inflammation; bioactive compounds

(This special issue belongs to the Section Medicinal Chemistry)

Food Bioactive Compounds: Chemical Challenges and Opportunities, 2nd Edition

edited by

Diana Obistioiu

and

Iuliana Popescu

submission deadline 31 May 2026 | 1 articles | Viewed by 1519 | Submission Open

Keywords: bioactive compounds; non-conventional extraction techniques; modern analytical methods; authenticity; molecular mechanism; functional properties; antimicrobial; antitumoral; anti-inflammatory; and antioxidant properties

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

Advances in Biomaterials: Preparation, Properties and Applications in Biomedicine and Tissue Engineering

edited by

Lei Nie

and

Chao Wang

submission deadline 31 May 2026 | 1 articles | Viewed by 513 | Submission Open

Keywords: biomaterials; decellularized extracellular matrix; tissue engineering; biomedicine; dECM scaffold; bioink; hydrogels

(This special issue belongs to the Section Materials Chemistry)

Innovations in Heterocyclic Chemistry: Synthesis, Characterization and Bioactivity

edited by Fernanda da Costa Santos Boechat, Maria Cecília B. V. De Souza,

Marcela Cristina de Moraes

and

Pedro Netto Batalha

submission deadline 31 May 2026 | Viewed by 333 | Submission Open

Keywords: heterocycles; synthesis; bioactivity; medicinal chemistry; structure-activity relationship (SAR); green chemistry; biochromatography; sustainability

(This special issue belongs to the Section Medicinal Chemistry)

Lignin Valorization in Biorefineries

edited by Carlos Eduardo De Araújo Padilha, Everaldo Silvino Dos Santos and Domingos Fabiano de Santana Souza

submission deadline 31 May 2026 | Viewed by 234 | Submission Open

Keywords: pretreatment; bioactive compounds; antioxidant properties; kraft lignin; extraction; thermochemical processes

(This special issue belongs to the Section Green Chemistry)

Advanced Materials for Efficient Sulfur Removal in Industrial and Environmental Applications

edited by

Adeniyi S. Ogunlaja

and Tendai O. Dembaremba

submission deadline 31 May 2026 | Viewed by 211 | Submission Open

Keywords: industrial desulfurization; catalytic sulfur removal; nanostructured catalysts; hydrodesulfurization (HDS); environmental catalysis; SOx emission control; clean fuel production; process scalability

Doping Strategies for Carbon-Based Electrocatalysts

edited by

Paweł Szroeder

submission deadline 31 May 2026 | Viewed by 180 | Submission Open

Keywords: carbons; p-doping; n-doping; Fermi level engineering; electrocatalysis; electrochemical sensors; energy conversion and storage; environmental remediation

(This special issue belongs to the Section Electrochemistry)

Supercritical Fluid Extraction of Natural Products

edited by

Laura Jūrienė

and

Petras Rimantas Venskutonis

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

Keywords: supercritical fluid extraction (SFE); natural products; green chemistry; carbon dioxide extraction; sustainable extraction; phytochemicals; scale-up; environmentally friendly processes

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

Essential Oils and Their Derivatives: Characterization, Biological Activity and Application

edited by Noura Ahmed

submission deadline 31 May 2026 | Viewed by 125 | Submission Open

Keywords: essential oils; aromatic plants; natural products; bioactive compounds; biological activities; pharmacology of volatiles; structure elucidation; isolation techniques

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

Electrochemical Catalytic Conversion of Small Molecules

edited by

Xinyue Wang

Libin Zeng

and

Guandong Su

submission deadline 31 May 2026 | Viewed by 121 | Submission Open

Keywords: electrocatalysis; small molecule conversion; single-atom catalysis; mechanism study; sustainable energy

(This special issue belongs to the Section Electrochemistry)

New Advances in Radiopharmaceutical Sciences, 2nd Edition

edited by

Elisabeth Eppard

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

Keywords: radiopharmacy/radiopharmaceuticals; radiochemistry; radionuclide therapy; theranostics; PET; SPECT; tadiolabeling techniques; radionuclide production; nuclear medicine

(This special issue belongs to the Section Medicinal Chemistry)

Covalent Organic Frameworks for Energy Storage

edited by Madagonda M Vadiyar

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

Keywords: covalent organic frameworks; synthesis and characterization; energy storage; supercapacitors; aqueous batteries; zinc-ion batteries; charge storage mechanisms; ex situ/in situ characterizations

(This special issue belongs to the Section Materials Chemistry)

Bioactive Natural Products: The Potential Sources of New Drugs

edited by

Sanah Nkadimeng

and

Gerda Fouchè

submission deadline 31 May 2026 | Viewed by 99 | Submission Open

Keywords: bioactive natural compounds; chemical characterization and optimization; bioactive natural products’ safety; cytotoxicity; bioactive natural products’ mechanisms of action; biological activities in vitro and in vivo; chronic diseases; bioactive natural product in non-communicable diseases-chronic inflammation/chronic stress/drug discovery/anticancer

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

Bioactive Compounds in Food: Extraction and Characterization

edited by

Michał Halagarda

and

Sascha Rohn

submission deadline 31 May 2026 | Viewed by 98 | Submission Open

Keywords: bioactive compounds; food matrices; extraction techniques; green technologies; analytical characterization; structural elucidation; stability and bioavailability; functional food applications

(This special issue belongs to the Section Food Chemistry)

Advanced Materials for Gaseous Pollutant Removal

edited by

Xin Liu

Yongbiao Hua

and Yueshuang Mao

submission deadline 31 May 2026 | Viewed by 97 | Submission Open

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

(This special issue belongs to the Section Materials Chemistry)

Bioactive Food Compounds and Their Health Benefits

edited by

Sabina Lachowicz-Wiśniewska

submission deadline 31 May 2026 | Viewed by 97 | Submission Open

Keywords: polyphenolic compounds; bioactive compound; natural products; food safety; phytochemicals; carotenoids; LC-MS/MS techniques; HPLC-DAD-MS; fruits; vegetables; and mushrooms; antioxidant compounds; functional food; prebiotics; health benefits

(This special issue belongs to the Section Food Chemistry)

Advances in Efficient Conversion of Biomass Resources

edited by

Yu-Cai He

and

Wei Tang

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

Keywords: lignocellulose biomass; food waste; algal biomass; urban solid waste; platform compound; chemobiological valorization of biomass; biotransformation and biocatalysis; biomass pretreatment; biorefining; life cycles of biomass valorization

(This special issue belongs to the Section Green Chemistry)

Treatment and Analysis of PFAS in Environmental Pollution

edited by

Shilai Hao

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

Keywords: PFAS; total fluorine; treatment; environmental samples

(This special issue belongs to the Section Green Chemistry)

Organometallic Compounds: Design, Synthesis and Application: 2nd Edition

edited by

Yanping Ma

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

Keywords: organometallic compounds; design and synthesis; transition metal complexes; catalysis; metal coordination; catalytic applications; mechanisms; organic– inorganic hybrid compounds

(This special issue belongs to the Section Organometallic Chemistry)

The Catalytic Conversion of Biomass

edited by

Nikolaos Kokkinos

submission deadline 31 May 2026 | Viewed by 89 | Submission Open

Keywords: biomass valorization; catalysts; biocatalysis; electrochemical catalysis; industrial catalysis; renewable feedstocks; sustainable chemistry; bio-based products

(This special issue belongs to the Section Green Chemistry)

Analyses and Applications of Phenolic Compounds in Food—3rd Edition

edited by

Ana Teresa Sanches-Silva

and

Oscar Núñez

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

Keywords: phenolics; extraction; identification; applications in food matrix

(This special issue belongs to the Section Food Chemistry)

Zeolites and Related Nanoporous Materials: Green Supports for Molecules

edited by

Nevenka Rajić

submission deadline 31 May 2026 | Viewed by 82 | Submission Open

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

(This special issue belongs to the Section Materials Chemistry)

Corrosion Mechanisms and Protection Technologies of Metallic Materials Under Harsh Environments

edited by Baojun Dong,

Tianyi Zhang

, Dezhi Zeng and

Yuxin Zhang

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

Keywords: metal coating; non-metal coating; coating design and preparation; coating performance evaluation; corrosion mechanism in harsh environments

(This special issue belongs to the Section Materials Chemistry)

Molecular Crystals: Exploring Structure, Properties, and Applications

edited by

Silvano Geremia

submission deadline 31 May 2026 | Viewed by 77 | 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)

Bioactive Compounds in Food: Advanced Extraction and Characterization Methods

edited by

Gerasopoulos Dimitrios

submission deadline 31 May 2026 | Viewed by 73 | 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)

Displaying special issue 801-850 on page 17 of 22.

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