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Gels 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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Liposomal and Ethosomal Gels: From Design to Application (2nd Edition)

edited by

Maddalena Sguizzato

and

Rita Cortesi

submission deadline 15 Feb 2026 | 4 articles | Viewed by 16325 | Submission Open

Keywords: liposomes; niosomes; ethosomes; hydrogels; topical application; vesicular gels; formulation; characterization

(This special issue belongs to the Section Gel Processing and Engineering)

Advances in Carbon Gels: From Synthesis to Electrochemical and (Bio)analytical Applications

edited by Ana Casanova and Sébastien Schaefer

submission deadline 15 Feb 2026 | 3 articles | Viewed by 8122 | Submission Open

Keywords: carbon gels; novel synthesis approaches; electrochemical applications; electroanalysis applications

(This special issue belongs to the Section Gel Processing and Engineering)

Cellulose-Based Hydrogels for Advanced Applications

edited by

Diana Elena Ciolacu

submission deadline 15 Feb 2026 | 2 articles | Viewed by 2758 | Submission Open

Keywords: cellulose; hydrogels; wound dressing; tissue engineering; regenerative medicine; three-dimensional bioprinting; biosensors; cosmetics; environmental applications; food industry; energy storage

(This special issue belongs to the Section Gel Chemistry and Physics)

Design, Fabrication, and Applications of Food Composite Gels

edited by Shima Momen and

Mahsa Majzoobi

submission deadline 20 Feb 2026 | 5 articles | Viewed by 19636 | Submission Open

Keywords: food texture; nutritional benefits; innovative food products; component interactions; hydrogel; protein functionality; plant protein; encapsulation; bioactive compounds; food engineering

(This special issue belongs to the Section Gel Processing and Engineering)

Structured Gels: Mechanics, Responsivity and Applications (2nd Edition)

edited by

Mutian Hua

and Shuwang Wu

submission deadline 20 Feb 2026 | 2 articles | Viewed by 4224 | Submission Open

Keywords: structure– property relationship; mechanical properties; responsivity; diffusivity; sensitivity; adhesion energy

(This special issue belongs to the Section Gel Analysis and Characterization)

Green Gels—Design, Optimization and Applications in Water Depollution

edited by

Cristina-Gabriela Grigoraș

submission deadline 20 Feb 2026 | 1 articles | Viewed by 3056 | Submission Open

Keywords: gel formulation; tailored design; water contaminants; eco-friendly water remediation; wastewater treatment optimization

(This special issue belongs to the Section Gel Chemistry and Physics)

Gels with Health-Promoting Properties

edited by

Masumi Kamiyama

and

Tetsuya Adachi

submission deadline 20 Feb 2026 | Viewed by 148 | Submission Open

Keywords: lifestyle-related diseases; diabetes; hypolipidemic; antioxidant; anti-inflammatory; anti-aging; anti-bacterial; anti-fungal; and anti-viral activity; immunomodulatory; polyphenols; hyaluronic acid; gelling agents; nutritional supplements; functional additives; biofilm

(This special issue belongs to the Section Gel Applications)

Innovations in Application of Biofunctional Hydrogels

edited by

Yannan Liu

and

Yingchun Li

submission deadline 25 Feb 2026 | 4 articles | Viewed by 5128 | Submission Open

Keywords: hydrogel; biofunctional; tissue engineering; biomedical applications; soft electronics; biomaterial

(This special issue belongs to the Section Gel Analysis and Characterization)

Functional Gel Materials: Chemistry, Processing, Mechanical Performance, and Applications

edited by Zhaohan Yu and Xiaolin Qiu

submission deadline 28 Feb 2026 | 7 articles | Viewed by 14542 | Submission Open

Keywords: functional gel materials; gel synthesis; tough hydrogel; biomedical; energy harvesting; elastocaloric polymer; self-healing; flexible electronics

(This special issue belongs to the Section Gel Applications)

Synthesis, Properties, and Applications of Novel Polymer-Based Gels

edited by

Peng Zhang

Yuanxun Zheng

and Zhen Gao

submission deadline 28 Feb 2026 | 12 articles | Viewed by 12427 | Submission Open

Keywords: polymer gels; stimuli-responsive; self-healing; nanocomposite; drug delivery; tissue engineering; soft robotics; wastewater treatment; cementitious matrix; flexible electronics; sustainable packaging; agriculture

(This special issue belongs to the Section Gel Applications)

Innovative Applications of Gelated Matrices in Biomedical and Environmental Engineering

edited by

and

submission deadline 28 Feb 2026 | 4 articles | Viewed by 8076 | Submission Open

Keywords: gelated matrices; hydrogels; gelation mechanisms; biocompatible gels; drug delivery systems; tissue engineering; wound healing; biosensing; stimuli-responsive gels; multifunctional gels; organogels; gel nanoparticles; gel formulation; nanogels; gel rheology

(This special issue belongs to the Section Gel Applications)

Stretchable Conductive Hydrogel Materials for Flexible Sensors and Bioelectronics

edited by

Yanchao Mao

submission deadline 28 Feb 2026 | 2 articles | Viewed by 6501 | Submission Open

Keywords: stretchable conductive hydrogels; flexible sensors; bioelectronic devices; mechanical flexibility; physiological monitoring

(This special issue belongs to the Section Gel Analysis and Characterization)

Recent Advances in Hydrogels for Tissue Engineering Applications

edited by

Olga Kammona

and

Evgenia Tsanaktsidou

submission deadline 28 Feb 2026 | 4 articles | Viewed by 6184 | Submission Open

Keywords: hydrogels; tissue engineering; bioink formulations; 3D bioprinting; cells; biomolecules; polymers; injectable; biomimetic; stimuli-responsive hydrogels

(This special issue belongs to the Section Gel Applications)

Polymeric Hydrogels for Biomedical Application (2nd Edition)

edited by

Ion Cosmin Călina

and

Muhammad Asim Raza

submission deadline 28 Feb 2026 | 4 articles | Viewed by 5985 | Submission Open

Keywords: polymers; hydrogels; crosslinking; radiation; biocompatibility; drug delivery; wound healing; tissue engineering

(This special issue belongs to the Section Gel Processing and Engineering)

Gels for Efficient Energy Storage and Conversion

edited by

Kun Luo

submission deadline 28 Feb 2026 | 1 articles | Viewed by 3185 | Submission Open

Keywords: gels; soft materials; energy storage and conversion; batteries; supercapacitors; fuel cells; water electrolysis systems; solar cells; catalysis-driven research

(This special issue belongs to the Section Gel Analysis and Characterization)

Energy Storage and Conductive Gel Polymers

edited by

Thirukumaran Periyasamy

and

Seong-Cheol Kim

submission deadline 28 Feb 2026 | 4 articles | Viewed by 2981 | Submission Open

Keywords: development of gel polymers in energy storage systems; application of gel polymers in energy storage systems; stable gel electrolytes; stretchable; self-healing; and flexible conductive gels; biodegradable and non-toxic conductive gels; hybrid gel materials

(This special issue belongs to the Section Gel Applications)

State-of-the-Art Gel Research in Italy (2nd Edition)

edited by

Alessandro Moretto

and

Miriam Mba Blázquez

submission deadline 28 Feb 2026 | 1 articles | Viewed by 2664 | Submission Open

Keywords: gels; supramolecular gels; macromolecular gels; gel-based materials; hydrogels; organogels; metallogels; aerogels; gel composites; functional gels; gel applications

(This special issue belongs to the Section Gel Applications)

Designing Gels as Adsorbents and Catalysts

edited by

Michael Arkas

Ioannis Pashalidis

Ioannis Anastopoulos

Dimitrios Giannakoudakis

and

Ioannis Ioannidis

submission deadline 28 Feb 2026 | 1 articles | Viewed by 1979 | Submission Open

Keywords: water purification; catalysis ; catalytic decomposition ; air detoxification; recovery; adsorption ; composite gels

(This special issue belongs to the Section Gel Applications)

Recent Research on Gel Rheology, Flow, Atomization and Combustion

edited by Hui Zhao and Haifeng Liu

submission deadline 28 Feb 2026 | 1 articles | Viewed by 1700 | Submission Open

Keywords: gels; semi solid; yield stress; viscoelasticity; atomization and sprays; ignition and combustion

(This special issue belongs to the Section Gel Chemistry and Physics)

Recent Progress of Hydrogel Sensors and Biosensors (2nd Edition)

edited by

María-José Bañuls

María Isabel Lucío

and

Ángel Maquieira

submission deadline 28 Feb 2026 | 1 articles | Viewed by 1485 | Submission Open

Keywords: hydrogel; sensors; biosensors; stimuli-responsive; wearable; point of care

(This special issue belongs to the Section Gel Applications)

Hydrogels: Promising Biomaterials for Tissue Engineering

edited by

David Mills

and

Fabio Falleroni

submission deadline 28 Feb 2026 | Viewed by 210 | Submission Open

Keywords: hydrogels; tissue engineering; mechanotransduction; extracellular matrix; biomaterials; stem cell differentiation; mechnical cues

(This special issue belongs to the Section Gel Chemistry and Physics)

Global Excellence in Bioactive Gels (2nd Edition)

edited by

Yoshitaka Miyamoto

submission deadline 28 Feb 2026 | Viewed by 187 | Submission Open

Keywords: bioactive gels; natural polymers; synthetic polymers; gel properties; sol– gel method; gel membrane; drug delivery system (DDS); regenerative therapy; biosensor; application of gels

(This special issue belongs to the Section Gel Analysis and Characterization)

Recent Advances in Graphene-Based Aerogels

edited by Dianpeng Sui and

Duckjong Kim

submission deadline 28 Feb 2026 | Viewed by 164 | Submission Open

Keywords: graphene-based aerogels; synthesis methods; energy storage; environmental applications; biomedical applications

(This special issue belongs to the Section Gel Applications)

Properties and Applications of Cellulose-Based Gel

edited by

Jianguo Li

submission deadline 28 Feb 2026 | Viewed by 133 | Submission Open

Keywords: cellulose; cellulose-based gel; hydrogel; biopolymers; polysaccharides

(This special issue belongs to the Section Gel Analysis and Characterization)

Bio-Integrated Smart Hydrogels: Self-Assembled Matrices with Fluorescent Moiety for Diagnostics and Therapy

edited by

Mingrui Liao

and

Paula M. T. Ferreira

submission deadline 28 Feb 2026 | Viewed by 130 | Submission Open

Keywords: self-assembling hydrogels; fluorescence-responsive materials; stimuli-responsiveness; theranostics; biomedical applications

(This special issue belongs to the Section Gel Chemistry and Physics)

Advanced Hydrogels for Controlled Drug Delivery (2nd Edition)

edited by

Akira Matsumoto

submission deadline 20 Mar 2026 | 5 articles | Viewed by 19407 | Submission Open

Keywords: smart gels; nanogels; drug delivery; cell and tissue engineering; injectable gels; 3D printing; microneedles

(This special issue belongs to the Section Gel Applications)

Application of Hydrogels in 3D Bioprinting for Tissue Engineering

edited by Jana Matejkova and

Roman Matejka

submission deadline 20 Mar 2026 | 3 articles | Viewed by 5760 | Submission Open

Keywords: bioprinting; bioinks; hydrogels for bioprinting; gelling systems; bioprinting systems; injectable hydrogels; bioprinting properties; tissue scaffolds; tissue replacements; wound healing; gelling excipients

(This special issue belongs to the Section Gel Applications)

Moving Towards Food Sustainability: Advances in Novel Alternative and Hybrid Protein Gels

edited by Wenjie Xia,

Lilia Ahrné

Deniz Z. Gunes

and Leonard Sagis

submission deadline 20 Mar 2026 | 2 articles | Viewed by 2845 | Submission Open

Keywords: alternative protein gels; hybrid protein gels; protein interactions; rheology; structure; texture; microscopy

(This special issue belongs to the Section Gel Applications)

Chemical Properties and Application of Gel Materials (2nd Edition)

edited by Xiaolong Zeng, Jiahui Liu and

Wen Sun

submission deadline 20 Mar 2026 | 1 articles | Viewed by 971 | Submission Open

Keywords: soft materials; gel materials; synthesis and characterization; structure– property relationships

(This special issue belongs to the Section Gel Processing and Engineering)

Recent Research on Functional Gels

edited by

Jae-Ho Jeong

submission deadline 26 Mar 2026 | 1 articles | Viewed by 3774 | Submission Open

Keywords: advanced functional gels; emerging applications of gel materials; innovative synthesis and characterization techniques; computational modeling and simulation of gels; theoretical developments in gel science; fabrication strategies and process engineering; rational materials design for gel-based systems

(This special issue belongs to the Section Gel Chemistry and Physics)

Aerogels and Composites Aerogels

edited by

Zhongming Liu

Luísa Durães

and

Pasquale Del Gaudio

submission deadline 28 Mar 2026 | 2 articles | Viewed by 2162 | Submission Open

Keywords: aerogel; composite aerogel; synthesis and characterization; physicochemical properties; application

(This special issue belongs to the Section Gel Chemistry and Physics)

Recent Developments in Cellulose-Based Hydrogels

edited by

Jia-Horng Lin

Ching-Wen Lou

and

Mei-Chen Lin

submission deadline 30 Mar 2026 | Viewed by 232 | Submission Open

Keywords: cellulose-based hydrogel; cellulose modification; cellulose-based hydrogel modification; gels; hydrogel; biopolymer

(This special issue belongs to the Section Gel Applications)

Polymer Gels for the Oil and Gas Industry

edited by Lin Li, Yining Wu and

Yifei Liu

submission deadline 31 Mar 2026 | 15 articles | Viewed by 32198 | Submission Open

Keywords: polymer gels; oil and gas production; oil reservoirs; gel fracturing fluid

(This special issue belongs to the Section Gel Applications)

State-of-the-Art Gel Research in China

edited by Ziguang Zhao, Weipeng Chen and

Chongyu Zhu

submission deadline 31 Mar 2026 | 8 articles | Viewed by 18012 | Submission Open

Keywords: gels; soft materials; hydrogel; aerogel; xerogel; cryogel; microgel; nanogel; lipogel; emulgel; ionogel; metallogel; food gel; bigel; mechanical performance; smart features; interdisciplinary applications; etc.

(This special issue belongs to the Section Gel Applications)

Next-Generation Hydrogels: Bridging Biology and Engineering for Medical Breakthroughs

edited by

Ana Paula Serro

Rogério Colaco

and

Ana Catarina Branco

submission deadline 31 Mar 2026 | 3 articles | Viewed by 13640 | Submission Open

Keywords: hydrogels design; advanced characterization of materials; biomedical applications of hydrogels; hydrogel sterilization; smart hydrogels; biodegradable hydrogels; in situ gelation; multifunctional hydrogels; drug delivery; antimicrobial properties

(This special issue belongs to the Section Gel Applications)

Hydrogels, Microgels and Nanogels Emerging Platforms for Drug Delivery, Antibacterial Properties and Tissue Engineering

edited by Dimitrios Skoulas and

Paula M. T. Ferreira

submission deadline 31 Mar 2026 | 4 articles | Viewed by 13475 | Submission Open

Keywords: hydrogels; microgels; nanogels; drug delivery; antibacterial properties; tissue engineering

(This special issue belongs to the Section Gel Chemistry and Physics)

Recent Trends in Gels for 3D Printing

edited by

Jerzy Detyna

Magdalena Łabowska

and

Grzegorz Ziółkowski

submission deadline 31 Mar 2026 | 3 articles | Viewed by 11801 | Submission Open

Keywords: gels; hydrogels; bioresponsive hydrogels; 3d printing; additive manufacturing; processing of hydrogels; material properties; applications

(This special issue belongs to the Section Gel Analysis and Characterization)

Recent Advances in Multi-Functional Hydrogels

edited by Wenshan Ren, Liang Chen and

Huijie Zhang

submission deadline 31 Mar 2026 | 5 articles | Viewed by 11181 | Submission Open

Keywords: thermo-sensitive hydrogels; photo-sensitive hydrogels; self-healing hydrogels; anti-fouling hydrogels; tough and strong hydrogels; biomedical hydrogels; luminescent hydrogels; hydrogel adhesives; hydrogel sensors; 3D-printed hydrogels; hydrogel-based soft actuators; hydrogel-based electronics

(This special issue belongs to the Section Gel Applications)

Food Gels: Structures, Properties and Applications

edited by

Honghai Hu

, Jianhui Xiao,

Lianliang Liu

, Ruixuan Zhao and Jing Li

submission deadline 31 Mar 2026 | 7 articles | Viewed by 10534 | Submission Open

Keywords: structure– property relationships; conditions of gel formation; hydrogels in delivery systems; polysaccharide hydrogels; gel deterioration caused by food processing methods; applications

(This special issue belongs to the Section Gel Applications)

Novel Functional Gels for Biomedical Applications (2nd Edition)

edited by Jilong Wang

submission deadline 31 Mar 2026 | 5 articles | Viewed by 7470 | Submission Open

Keywords: gels; biomimetic gels; drug delivery; inflammatory microenvironment regulation; cancer therapy

(This special issue belongs to the Section Gel Applications)

Hybrid Hydrogels: From Biomaterials Development to Eco-Friendly Approaches

edited by Gabriela Craciun,

Maria Demeter

Elena Manaila

and

Ion Cosmin Călina

submission deadline 31 Mar 2026 | 4 articles | Viewed by 5951 | Submission Open

Keywords: hydrogels; hybrid polymers; natural and synthetic polymers; advanced and smart hydrogels; radiation crosslinking; biocompatibility ; swelling and biodegradation kinetics ; innovative techniques ; drug or fertilizer release

(This special issue belongs to the Section Gel Analysis and Characterization)

Nature Polymer Gels for Food Packaging

edited by Josefa Martucci and David A. D'Amico

submission deadline 31 Mar 2026 | 3 articles | Viewed by 5056 | Submission Open

Keywords: biopolymer; gels; edible films; encapsulation; food packaging; active packaging; smart packaging; food preservation

(This special issue belongs to the Section Gel Applications)

Modification of Gels in Creating New Food Products (2nd Edition)

edited by

Anna Florowska

and

Tomasz Florowski

submission deadline 31 Mar 2026 | 3 articles | Viewed by 4554 | Submission Open

Keywords: food gels; hydrogels; emulgels; oleogels; aerogels; natural biopolymers; food gel product design; functional food; control digestive or retention; gel property analysis; textural stability and sensory properties; smart packaging

(This special issue belongs to the Section Gel Applications)

Hydrogels for Cartilage Tissue Engineering and Mechanobiology

edited by

Seyed Ali Elahi

, Rocío Castro-Viñuelas and Veerle Bloemen

submission deadline 31 Mar 2026 | 3 articles | Viewed by 4330 | Submission Open

Keywords: hydrogels; tissue engineering; cartilage; biocompatibility; mechanobiology; mechanical properties; scaffolds

(This special issue belongs to the Section Gel Analysis and Characterization)

Current Directions and Prospects of Hydrogels for Biomedical Applications (2nd Edition)

edited by

Zhiyuan Jia

Holger Schönherr

and

Nowsheen Goonoo

submission deadline 31 Mar 2026 | 2 articles | Viewed by 3311 | Submission Open

Keywords: hydrogels; stimuli-responsive materials; self-healing; nanocomposite; biomedical application

(This special issue belongs to the Section Gel Applications)

Functional Gels Applied in Energy Storage Systems

edited by Xiaojiang Mu and Lina Ma

submission deadline 31 Mar 2026 | 2 articles | Viewed by 3176 | Submission Open

Keywords: solar interfacial evaporation; hydrogel; aerogel; photothermal conversion; lithium battery; radiation cooling; thermoelectric conversion

(This special issue belongs to the Section Gel Applications)

New Gels for Medical Applications

edited by

Florentina Monica Raduly

and

Valentin Raditoiu

submission deadline 31 Mar 2026 | 1 articles | Viewed by 1657 | Submission Open

Keywords: hybrid hydrogels; polymer matrices; aerogels; xerogels; micro/nanogels

(This special issue belongs to the Section Gel Chemistry and Physics)

Research and Application of Edible Gels

edited by

Yungang Cao

Yu Cheng

Mangang Wu

and Huan Zhang

submission deadline 31 Mar 2026 | 1 articles | Viewed by 1363 | Submission Open

Keywords: edible gels; stimuli-responsive films; sustainable production; plant-based Proteins; dysphagia-friendly foods; agricultural waste valorization; 3D-printed foods; technical bottlenecks

(This special issue belongs to the Section Gel Applications)

Design of Supramolecular Hydrogels (2nd Edition)

edited by Dipankar Ghosh, Gareth O. Lloyd and Elina I. Sievanen

submission deadline 31 Mar 2026 | 1 articles | Viewed by 1015 | Submission Open

Keywords: designing new supramolecular hydrogelators; prediction of gel properties; mechanism of self-assembly; hydrogel characterization; structure– property relationship; applications in diverse fields; smart hydrogels; 3D/4D printing; tissue engineering; regenerative medicine; controlled release systems; biodegradable hydrogels

(This special issue belongs to the Section Gel Analysis and Characterization)

Advanced Gelatin Materials for Regenerative Medicine

edited by

Wanting Niu

and

Ying Wang

submission deadline 31 Mar 2026 | Viewed by 518 | Submission Open

Keywords: biomaterials; gelatin-based materials; hydrogel; tissue engineering; regenerative medicine; wound repair; organ-on-chips; microfluidics; drug delivery; anti-inflammatory; antibacterial; hemostasis; tissue mimicking; 3D printing

(This special issue belongs to the Section Gel Applications)

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