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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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Chemistry, Bioactivity and Authenticity of Sugar-Rich and Fermented Foods and Beverages

edited by

Svetlana Simova

and

Dessislava Gerginova

submission deadline 20 Jul 2026 | 1 articles | Viewed by 734

Keywords: sugar-rich foods; fermented beverages; chemical characterization; analytical techniques; bioactive compounds; metabolomics; authenticity; food control

(This special issue belongs to the Section Food Chemistry)

Exploring the Antioxidant Properties of Natural Products

edited by Leticia Xochitl Lopez-Martinez and Ramiro Baeza-Jiménez

submission deadline 26 Jul 2026 | 1 articles | Viewed by 811 | Submission Open

Keywords: carotenoids; phenolic compounds; oxidative stress; health benefits; bioactive and nutritional molecules; essential oils; agricultural byproducts

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

Nanomaterials for Biomedicine: Innovations and Challenges

edited by

Jianxun Ding

and

Guanqing Yang

submission deadline 30 Jul 2026 | 4 articles | Viewed by 5541 | Submission Open

Keywords: nanomaterial; targeted drug delivery; bio-imaging; antimicrobial application; cancer immunotherapy; nanovaccine

(This special issue belongs to the Section Nanochemistry)

Recent Advances in Antibacterial Nanomaterials

edited by

Luca Scotti

submission deadline 30 Jul 2026 | 1 articles | Viewed by 1700 | Submission Open

Keywords: nanoparticles; biochemistry; antibacterial; bacteriostatic; cell membrane

(This special issue belongs to the Section Nanochemistry)

Plant Bioactives in Human Health: From Phytochemistry to Molecular Mechanisms

edited by

Valeria Naponelli

and

Elena Ferrari

submission deadline 30 Jul 2026 | 2 articles | Viewed by 1462 | Submission Open

Keywords: bioactive compounds; bioavailability; extraction methods; biological activities; cell signalling; functional applications; nutraceuticals; human metabolism; toxicity; bioactive-gut microbiota relationships

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

Progress in Nanomaterials for Pollutant Removal

edited by

Sriram Ganesan

submission deadline 30 Jul 2026 | 1 articles | Viewed by 1159 | Submission Open

Keywords: nanomaterials; high surface area; surface modification; high removal efficiency; emerging contaminants; single and/or binary mixture; adsorption; degradation

Small-Molecule Inhibitors as Anticancer Drugs

edited by

Magdalena Stobiecka

submission deadline 30 Jul 2026 | Viewed by 456 | Submission Open

Keywords: small-molecule apoptosis-protein-family inhibitors; small-molecule mitotic inhibitors; small-molecule kinase inhibitors; small-molecule receptor tyrosine kinase inhibitors; small-molecule non-receptor tyrosine kinase inhibitors; small-molecule serine/threonine kinase inhibitors; small-molecule epigenetic inhibitors; small-molecule proteasome inhibitors; small-molecule inhibitors for disrupting protein–protein interactions; small-molecule inhibitors aimed at exploiting tumor metabolic vulnerabilities

(This special issue belongs to the Section Medicinal Chemistry)

Advanced Structured Catalysts for Sustainable Chemical Transformations

edited by

Bogdan Samojeden

and

Agnieszka Szymaszek-Wawryca

submission deadline 30 Jul 2026 | Viewed by 268 | Submission Open

Keywords: structured catalysts; sustainability; porous materials; CO2 utilization; CO2 valorization; biomass conversion; green chemical processes; structure–catalytic performance relationships; shaped catalysts; photocatalysis; electrocatalysis

(This special issue belongs to the Section Green Chemistry)

Organosulfur and Organoselenium Chemistry II

edited by Ming Wang

submission deadline 31 Jul 2026 | 7 articles | Viewed by 37174 | Submission Open

Keywords: organosulfur; organoselenium; synthesis; transformation; application

(This special issue belongs to the Section Organic Chemistry)

Featured Papers in Organometallic Chemistry—2nd Edition

edited by

Michal Szostak

submission deadline 31 Jul 2026 | 14 articles | Viewed by 26763 | Submission Open

Keywords: organometallic chemistry; complexes; metals; metal–carbon bonding; main group metals; transition metals; lanthanides; catalysis; ligands; metal chemistry; phosphines; N-heterocyclic carbenes; bipyridines; homogeneous catalysis; cross-coupling; bond activation; ancillary ligands; photoredox catalysis; asymmetric catalysis; crystallography; spectroscopy

(This special issue belongs to the Section Organometallic Chemistry)

30th Anniversary of Molecules—Recent Advances in Applied Chemistry

edited by

Bhanu P. S. Chauhan

and

Shijun Liao

submission deadline 31 Jul 2026 | 12 articles | Viewed by 18438 | 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)

Photocatalytic Materials and Photocatalytic Reactions, 2nd Edition

edited by

Sugang Meng

and

Bo Weng

submission deadline 31 Jul 2026 | 9 articles | Viewed by 17581 | Submission Open

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

(This special issue belongs to the Section Photochemistry)

Research Progress and Application of Natural Compounds—2nd Edition

edited by

Claudiu N. Lungu

and

Ionel Mangalagiu

submission deadline 31 Jul 2026 | 7 articles | Viewed by 17035 | Submission Open

Keywords: natural products; primary and secondary metabolites; bioactive compounds; bioactive peptides; anticancer natural products; flavonoids; drug design

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

Advances in Natural Products and Their Biological Activities—2nd Edition

edited by

Irwin Rose Alencar Menezes

Henrique Douglas Melo Coutinho

, Roseli Barbosa and Francisco Assis Bezerra Da Cunha

submission deadline 31 Jul 2026 | 12 articles | Viewed by 15574 | Submission Open

Keywords: phytochemical; natural product; phytotherapy; medicinal plants; biological activity; pharmaceutical formulations; biological activity; pharmacological or toxicology effects

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

Small-Molecule Drug Design and Discovery

edited by Qiuqin He

submission deadline 31 Jul 2026 | 7 articles | Viewed by 15416 | Submission Open

Keywords: small-molecule drug design; structure-based drug design; fragment-based drug discovery; PROTAC technology; artificial intelligence technology; biological evaluation

(This special issue belongs to the Section Medicinal Chemistry)

Isolation, Analysis, and Biological Activities of Secondary Metabolites Derived from Plants

edited by

Valdimaras Janulis

, Mindaugas Liaudanskas and

Kristina Zymonė

submission deadline 31 Jul 2026 | 7 articles | Viewed by 13997 | Submission Open

Keywords: isolation; analysis; phytochemical composition; biological activity

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

Analytical Chemistry in Asia, 2nd Edition

edited by

Makoto Tsunoda

submission deadline 31 Jul 2026 | 6 articles | Viewed by 12175 | Submission Open

Keywords: analytical chemistry; Asia; HPLC; sample preparation; bioanalysis; mass spectrometry

(This special issue belongs to the Section Analytical Chemistry)

Applied Chemistry in Europe, 2nd Edition

edited by

Rosa Iacovino

and Gianluca D'Abrosca

submission deadline 31 Jul 2026 | 9 articles | Viewed by 9580 | Submission Open

Keywords: nano-materials; environmental chemistry; chemical synthesis; green chemistry; theoretical chemistry analytical methods

(This special issue belongs to the Section Applied Chemistry)

Vibrational Spectroscopy and Imaging for Chemical Application

edited by

Barry K. Lavine

and

Karl Booksh

submission deadline 31 Jul 2026 | 6 articles | Viewed by 9056 | Submission Open

Keywords: Raman spectroscopy; infrared spectroscopy; Raman image analysis; infrared image analysis; chemometrics; multiway analysis; multivariate curve resolution; alternating least squares; multivariate image analysis; classification; machine learning

(This special issue belongs to the Section Analytical Chemistry)

Advances in Nanomaterials for Biomedical Applications, 2nd Edition

edited by Xueen Jia and Ce Zhang

submission deadline 31 Jul 2026 | 3 articles | Viewed by 8510 | Submission Open

Keywords: 2D nanomaterials; metal–organic frameworks (MOFs); metasurfaces; biosensor; drug delivery

(This special issue belongs to the Section Nanochemistry)

Antibacterial Agents: Present and Future

edited by

Aura Rusu

Livia Uncu

and

Octavia-Laura Oancea

submission deadline 31 Jul 2026 | 1 articles | Viewed by 7810 | Submission Open

Keywords: antibacterial resistance; antibacterials; bacteria; bioactive compounds; drug repositioning; drug repurposing; hybrid antibacterials; Infectious diseases; metal complexes; nanoparticles

(This special issue belongs to the Section Chemical Biology)

Molecular Insights into Functional Lipids in Food Chemistry

edited by

Jun Jin

and Siyu Zhang

submission deadline 31 Jul 2026 | 6 articles | Viewed by 7744 | Submission Open

Keywords: structured lipid; synthesis; crystallization; fatty acid; glyceride

(This special issue belongs to the Section Food Chemistry)

Molecular, Technological and Nutritional Aspects of Food Fortification and Processing

edited by

Stanisław Kowalski

and

Anna Mikulec

submission deadline 31 Jul 2026 | 5 articles | Viewed by 6695 | Submission Open

Keywords: food fortification and processing; molecular, technological, and nutritional aspects; food composition, functionality; nutritional quality

(This special issue belongs to the Section Food Chemistry)

Gold Nanoparticles in Biomedical Applications: Recent Advances and Future Perspectives

edited by

Rafik Karaman

submission deadline 31 Jul 2026 | 3 articles | Viewed by 6555 | 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)

Lignin: New Insights in Chemistry

edited by

Chiaki Ogino

submission deadline 31 Jul 2026 | 2 articles | Viewed by 6547 | Submission Open

Keywords: lignin valorization; catalytic depolymerization; enzymatic lignin transformation; thermochemical processes; lignin-derived fine chemicals; synthetic biology in lignin research; circular bioeconomy

(This special issue belongs to the Section Green Chemistry)

Wine Chemistry: From Flavor Profiling to Sensory Quality

edited by

Veronica Sanda Chedea

submission deadline 31 Jul 2026 | 3 articles | Viewed by 6408 | Submission Open

Keywords: wine; volatile organic compounds (VOCs); flavor; aroma; phenolic compounds; chemical composition; sensory; fermentation process

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

Extraction Techniques for Sample Preparation

edited by

Vincenzo Ferrone

and

Pantaleone Bruni

submission deadline 31 Jul 2026 | 4 articles | Viewed by 6152 | 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)

Unveiling the Applications of Bioactive Compounds in Functional Foods for Optimal Human Health—2nd Edition

edited by

Xiangkai Li

and

Aman Khan

submission deadline 31 Jul 2026 | 3 articles | Viewed by 5933 | Submission Open

Keywords: functional foods; bioactive ingredients; health benefits; immune function; gut health; disease prevention

(This special issue belongs to the Section Food Chemistry)

Nutritional Properties, Sensory Profile and Bioactive Components of Food, 3rd Edition

edited by

Aldona Sobota

and

Grażyna Cacak-Pietrzak

submission deadline 31 Jul 2026 | 4 articles | Viewed by 5619 | Submission Open

Keywords: food analysis; bioactive compounds; sensory characteristics; food composition; functional food ingredients

(This special issue belongs to the Section Food Chemistry)

Opportunities and Challenges in Organic Optoelectronic Materials

edited by

Chien-Jung Huang

and

Mu-Chun Wang

submission deadline 31 Jul 2026 | 3 articles | Viewed by 5614 | Submission Open

Keywords: organic semiconductors; organic photonics; inorganic/organic hybrid materials; excitons; electroluminescence; photovoltaics; vacuum/solution process; energy transfer

(This special issue belongs to the Section Materials Chemistry)

Novel Membranes and Coatings for Biomedical and Food Applications

edited by

Jurak Małgorzata

submission deadline 31 Jul 2026 | 3 articles | Viewed by 5442 | Submission Open

Keywords: model cell membranes; biocompatible and edible coatings; bioactive compounds; nutrients; biomaterials; surface characteristics; dispersion systems

(This special issue belongs to the Section Applied Chemistry)

Phytochemical Wisdom: Traditional Medicinal Plants for Anti-Infective Drug Discovery

edited by

Paolo Coghi

submission deadline 31 Jul 2026 | 1 articles | Viewed by 5261 | Submission Open

Keywords: traditional medicinal plants; anti-infective agents; antimicrobial resistance (AMR); medicinal chemistry; phytochemicals; natural product drug discovery

(This special issue belongs to the Section Natural Products 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 4807 | Submission Open

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

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

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

edited by

José Pinela

, Mihai Babotă and

Deepak Sharma

submission deadline 31 Jul 2026 | 4 articles | Viewed by 4285 | 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)

Advances in Electrochemical Nanocomposites

edited by

Bishweshwar Pant

and

Gunendra Prasad Ojha

submission deadline 31 Jul 2026 | 2 articles | Viewed by 3866 | Submission Open

Keywords: nanomaterials; nanocomposites; electrocatalysis; electrochemical properties

(This special issue belongs to the Section Applied Chemistry)

Chemistry Applied to Enhanced Oil Recovery

edited by

Mingwei Zhao

and Mingwei Gao

submission deadline 31 Jul 2026 | 4 articles | Viewed by 3862 | Submission Open

Keywords: advanced chemical materials for EOR; oil–gas field chemical working fluids; molecular engineering of EOR materials; reservoir chemical compatibility; chemical flooding enhancement mechanisms

(This special issue belongs to the Section Applied Chemistry)

Identification, Isolation, and Analysis of Phytochemicals from Plant-Derived Products

edited by

Lin Shi

and

Lu Yang

submission deadline 31 Jul 2026 | 1 articles | Viewed by 3771 | Submission Open

Keywords: phytochemicals; structural identification; composition analysis; plant products; pharmacological experiment; herbal medicine

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

Synthesis, Properties and Application of Five- and Six-Membered Heterocycles

edited by

Lara Bianchi

and

Massimo Maccagno

submission deadline 31 Jul 2026 | 5 articles | Viewed by 3722 | Submission Open

Keywords: heterocycle synthesis; transition-metal catalysis; multicomponent reactions; structural characterization; computational chemistry; pharmacological activity; functional materials; benzofused heterocycles

(This special issue belongs to the Section Organic Chemistry)

Anti-Inflammatory and Antimicrobial Compounds and Extracts from Plant Sources

edited by

Catherine C. Neto

and

Hang Ma

submission deadline 31 Jul 2026 | 2 articles | Viewed by 3469 | Submission Open

Keywords: phytochemicals; anti-inflammatory; antimicrobial; plants; extracts; botanicals; metabolites; functional foods

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

Terpenes and Their Derivatives: From Nature to Medical Applications

edited by

Linfu Liang

Anwar Rayan

and

Barbara De Filippis

submission deadline 31 Jul 2026 | 2 articles | Viewed by 3393 | Submission Open

Keywords: terpenes; plants; animals; microbes; extraction technologies; structure elucidation; chemical synthesis and biosynthesis; biological investigation

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

Green Synthesis and Environmental Application of Biomass-Based Materials

edited by Congyu Zhang and

Xinhua Qi

submission deadline 31 Jul 2026 | 2 articles | Viewed by 3329 | Submission Open

Keywords: biomass; biochar; functional material; environmental application; green synthesis; sustainability

(This special issue belongs to the Section Green Chemistry)

Emerging Drug Targets: New Challenges for the Medicinal Chemist

edited by

Giovanni Ribaudo

submission deadline 31 Jul 2026 | 2 articles | Viewed by 3328 | Submission Open

Keywords: drug repurposing; drug repositioning; drug design; target validation; molecular modeling; interaction studies; organic synthesis; artificial intelligence

(This special issue belongs to the Section Medicinal Chemistry)

Advances in Medicinal Chemistry for Age-Related Diseases

edited by

Maria João Matos

submission deadline 31 Jul 2026 | 2 articles | Viewed by 3092 | Submission Open

Keywords: age-related diseases; neurodegenerative diseases; cardiovascular diseases; bioactive molecules; biomolecules; synthesis; computational studies; medicinal chemistry; chemical biology; drug discovery

(This special issue belongs to the Section Medicinal Chemistry)

Application of Natural Products in the Treatment of Neurodegenerative Diseases

edited by

Guiyi Gong

submission deadline 31 Jul 2026 | 2 articles | Viewed by 3077 | Submission Open

Keywords: natural products; neurovascular and neurodegenerative diseases; neuroprotection; bioactive compounds; drug discovery; molecular mechanisms; multi-target therapy; neuroinflammation

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

Design and Preparation of New Metal Catalysts for Functional Organic Compounds Synthesis

edited by

Giorgio Facchetti

submission deadline 31 Jul 2026 | 2 articles | Viewed by 2921 | Submission Open

Keywords: transition metal complexes; hybrid catalysts; nanocatalysts; single-atom catalysts; sustainable organic synthesis; natural products

(This special issue belongs to the Section Organometallic Chemistry)

Chemistry and Applications of Compounds Containing Quinoline or Isoquinoline Structure

edited by

Stanislav Kafka

and

José Carlos Menéndez

submission deadline 31 Jul 2026 | 1 articles | Viewed by 2749 | Submission Open

Keywords: quinoline; isoquinoline; synthesis; molecular structure; alkaloids; fluorescence; green chemistry; crystal structure; structure–activity relationship; antitumor agents

(This special issue belongs to the Section Organic Chemistry)

Advances in Synthesis and Biological Activity of Novel Derivatives Based on Five-Membered Heterocyclic Scaffolds and Their Intermediates, 3rd Edition

edited by

Theodora Venera Apostol

George Mihai Nitulescu

and

Laura Ileana Socea

submission deadline 31 Jul 2026 | 2 articles | Viewed by 2656 | Submission Open

Keywords: bioactive heterocycles; heterocyclic scaffolds; bioisosteric heterocyclic skeletons; azoles; pyrazole; oxazole; triazole; oxadiazole; drug design; in silico studies

(This special issue belongs to the Section Organic Chemistry)

Advances in Electrochemical Sensors

edited by

Yixi Xie

submission deadline 31 Jul 2026 | 2 articles | Viewed by 2605 | Submission Open

Keywords: electrochemical sensor; modified electrodes; photoelectrochemical sensor; wearable sensor; environmental monitoring; food safety analysis

(This special issue belongs to the Section Electrochemistry)

Innovative Green and Photochemical Approaches for Sustainable Organic Synthesis

edited by

Petros Gkizis

submission deadline 31 Jul 2026 | 2 articles | Viewed by 2587 | Submission Open

Keywords: green chemistry; photochemistry; dual catalysis; photooxidation protocols; sustainable chemistry; material science; sustainable synthesis; green solvents; flow photochemistry; organic synthesis

(This special issue belongs to the Section Organic 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 | 3 articles | Viewed by 2546 | 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)

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