Special Issues

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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Food Gels: Gelling Property in Food Processing and Engineering
edited by Tao Ma, Zhixiang Cai and Xing Li
submission deadline 30 Aug 2026 | Viewed by 171 | Submission Open
Keywords: functional gels; novel gelling agents; gelation mechanisms; processing technologies; controlled release; alternative foods
(This special issue belongs to the Section Gel Processing and Engineering)
Functional Gels Loaded With Natural Products (2nd Edition)
edited by Kristina Ramanauskienė
submission deadline 31 Aug 2026 | Viewed by 69 | Submission Open
Keywords: natural compounds; antioxidant activity; biological activity; gelling agents; in vitro; rheology
(This special issue belongs to the Section Gel Processing and Engineering)
Recent Advances in Food Gels—3rd Edition submission deadline 31 Aug 2026 | Viewed by 64 | Submission Open
Keywords: biopolymers; chemical properties; food gel networks; food product development; gelation mechanism; hydrogels/microgels/nanogels; multicomponent/mixed gels; oleogels/aerogels/lipogels/emulgels; physical properties; polysaccharide gels; protein gels; rheology; sensory properties of food; texture
(This special issue belongs to the Section Gel Applications)
Multifunctional Aerogels: Types, Synthesis and Applications
edited by
submission deadline 31 Aug 2026 | Viewed by 59 | Submission Open
Keywords: multifunctional applications of aerogels; types of aerogels; synthesis and fabrication of aerogels; structure of aerogels; sustainability and life-cycle assessment of aerogels
(This special issue belongs to the Section Gel Analysis and Characterization)
Recent Advances in Hydrogels: From Design to Wound Healing Application
edited by
submission deadline 31 Aug 2026 | Viewed by 58 | Submission Open
Keywords: hydrogels; wound healing; clinical translation; functional materials; biomedical applications
(This special issue belongs to the Section Gel Processing and Engineering)
Nanogels and Microgels: Research Advances, Future Trends, and Applications
edited by
submission deadline 31 Aug 2026 | Viewed by 42 | Submission Open
Keywords: nanogels and microgels; synthesis methods; characterizations; stimuli-responsive nanogels and microgels; interactions between nanogels and microgels with surfaces; self-assembling; three-dimensional printing; pickering emulsions; colloidosomes; soft robotics and devices; novel applications
(This special issue belongs to the Section Gel Chemistry and Physics)
Gel-Based Materials for Energy Storage
edited by Pritam J. Morankar and Chanwook Jeon
submission deadline 10 Sep 2026 | 1 articles | Viewed by 492 | Submission Open
Keywords: gel electrolytes; energy storage materials; supercapacitors; rechargeable batteries; flexible energy devices; electrochemical energy storage; sustainable materials; hybrid gel systems; ion transport mechanisms; next-generation energy technologies
(This special issue belongs to the Section Gel Applications)
Hydrogels: Properties and Applications in Medicine submission deadline 10 Sep 2026 | Viewed by 34 | Submission Open
Keywords: nanoparticles; biofilm; microfluidics; photodynamic therapy; biomaterials
(This special issue belongs to the Section Gel Chemistry and Physics)
Eco-Friendly Gels for Adsorption (2nd Edition)
edited by and Valentin Popa
submission deadline 20 Sep 2026 | Viewed by 68 | Submission Open
Keywords: gels/biogels/agrogels/hydrogels; adsorption; adsorbents/bioadsorbents; polymers; heavy metal ions; biocides; dye; pollutants; environmental science; wastewater remediation; wastewater treatment; renewable resources; biodegradable materials
(This special issue belongs to the Section Gel Processing and Engineering)
Gels for Biomedical Applications (2nd Edition)
edited by and Sung-Hyuk Sunwoo
submission deadline 20 Sep 2026 | Viewed by 53 | Submission Open
Keywords: gels; hydrogels; smart gels; in situ gels; biomedical applications; drug delivery; tissue engineering; wound healing
(This special issue belongs to the Section Gel Chemistry and Physics)
Designing Gels for Wound Healing and Drug Delivery Systems
edited by and
submission deadline 30 Sep 2026 | 1 articles | Viewed by 163 | Submission Open
Keywords: drug delivery; hydrogels; biodegradable polymers; stimuli-responsive polymers; wound healing
(This special issue belongs to the Section Gel Applications)
Biofunctional Hydrogels for Biofabrication in Tissue Engineering submission deadline 30 Sep 2026 | Viewed by 120 | Submission Open
Keywords: biofunctional hydrogels; tissue engineering; regenerative medicine; 3D bioprinting; bioinks; stimuli-responsive biomaterials; translational biomaterials; biofabrication
(This special issue belongs to the Section Gel Applications)
Biomass-Based Gels
edited by Xia Sun and
submission deadline 30 Sep 2026 | Viewed by 53 | Submission Open
Keywords: biomass-based gels; physiological signal detection; biopolymers (cellulose; chitosan); wearable biosensors; sustainable/biodegradable materials
(This special issue belongs to the Section Gel Chemistry and Physics)
Smart and Biopolymer-Based Gels for Environmental Applications submission deadline 30 Sep 2026 | Viewed by 39 | Submission Open
Keywords: smart gels; alginate hydrogels; biopolymer-based materials; environmental remediation; stimuli-responsive polymers; water treatment; sustainable materials
(This special issue belongs to the Section Gel Applications)
Nanocomposite Hydrogels for Drug Delivery and Wound Healing
edited by and Hongyun Xuan
submission deadline 30 Sep 2026 | Viewed by 37 | Submission Open
Keywords: nanocomposite hydrogels; biocompatibility; and intelligent responsiveness; drug delivery; wound healing; release kinetics; tissue regeneration
(This special issue belongs to the Section Gel Applications)
Recent Advances in the Rheology of Soft Gels
edited by Paulo R. De Souza Mendes and Flávio H. Marchesini
submission deadline 30 Sep 2026 | Viewed by 24 | Submission Open
Keywords: soft gels; rheology; biomedicine; soft robotics; consumer products; drug delivery; 3D-printable bioinks; responsive gels; emerging technologies
(This special issue belongs to the Section Gel Analysis and Characterization)
Food Gels: Structure and Properties (3rd Edition)
edited by
submission deadline 30 Sep 2026 | Viewed by 22 | Submission Open
Keywords: biopolymer; gel; hydrogel; structure; emulsion; food application; 3D printing; interaction
(This special issue belongs to the Section Gel Analysis and Characterization)
Advances in Biomass-Based Gels: Synthesis, Structure, Properties and Applications
edited by Jiongjiong Li and Liuting Mo
submission deadline 30 Sep 2026 | Viewed by 22 | Submission Open
Keywords: biomass hydrogels and aerogel: synthesis; structure; properties and applications; cellulose-based hydrogels and aerogels; chitin/chitosan derivates; drug delivery/ tissue engineering; composites and high-performance materials; water-retention performance; detection and environmental protection; application fields of agriculture and medicine
(This special issue belongs to the Section Gel Processing and Engineering)
Recent Advances in Smart and Tough Hydrogels
edited by Qiang Chen and Xiangling Gu
submission deadline 30 Oct 2026 | Viewed by 53 | Submission Open
Keywords: high-strength hydrogels; tough hydrogels; smart hydrogels; hydrogel coatings; biomedical hydrogels; hydrogel interfaces; hydrogel sensors; hydrogel robots; hydrogel machines
(This special issue belongs to the Section Gel Analysis and Characterization)
Gel-Based Scaffolds for Tissue Engineering submission deadline 31 Oct 2026 | Viewed by 63 | Submission Open
Keywords: tissue engineering; 3D scaffolds; nanotechnology; biomaterials; composites and nanocomposites; fabrication technique; clinical progress; gel and aerogel based on polysaccharides
(This special issue belongs to the Section Gel Applications)
Recent Advances in Gels Engineering for Drug Delivery (3rd Edition) submission deadline 31 Oct 2026 | Viewed by 44 | Submission Open
Keywords: gels and nanogels; drug delivery; biomedical applications; topical administration; oral administration; parenteral administration; stimuli-responsive gels
(This special issue belongs to the Section Gel Applications)
Advances in Cellulose-Based Hydrogels (4th Edition) submission deadline 30 Nov 2026 | 1 articles | Viewed by 68 | Submission Open
Keywords: cellulose; nanocellulose; cellulose derivatives; cellulose-based composites; hydrogels; design; characterization; applications
(This special issue belongs to the Section Gel Applications)
Functional Supramolecular Gels: Design, Dynamics, and Applications submission deadline 20 Dec 2026 | Viewed by 74 | Submission Open
Keywords: hydrogels; organogels; ionogels; hybrid supramolecular gels; gel properties; gel applications
(This special issue belongs to the Section Gel Chemistry and Physics)
Biopolymer Hydrogels: Synthesis, Properties and Applications submission deadline 31 Dec 2026 | Viewed by 110 | Submission Open
Keywords: biopolymer hydrogels; gel processing and engineering; smart hydrogels; crosslinking process; biomedical and environmental applications
(This special issue belongs to the Section Gel Processing and Engineering)
Innovative Synthesis and Application of Lignin/Cellulose-Based Gels and Aerogels
edited by
submission deadline 31 Dec 2026 | Viewed by 72 | Submission Open
Keywords: cellulose; lignin; gels; aerogels; application
(This special issue belongs to the Section Gel Analysis and Characterization)
Advanced Functional Hydrogels for Chronic Wound Healing and Skin Regeneration
edited by
submission deadline 31 Dec 2026 | Viewed by 65 | Submission Open
Keywords: hydrogels; chronic wound healing; skin regeneration; drug delivery; antimicrobial; 3D bioprinting; bioactive scaffolds; diabetic foot ulcer
(This special issue belongs to the Section Gel Applications)
Advances in Hybrid and Functional Gels: Design, Characterization, and Emerging Applications submission deadline 31 Dec 2026 | Viewed by 54 | Submission Open
Keywords: hybrid gels; doped gels; functional gels; responsive gels; nanocomposite gels; sustainable applications
(This special issue belongs to the Section Gel Analysis and Characterization)
Functional Gel-Based Biomaterials for Medical Applications
edited by Xuefeng Yang and Pengchao Zhao
submission deadline 31 Dec 2026 | Viewed by 37 | Submission Open
Keywords: dynamic hydrogel; self-healing hydrogel; stimuli-responsive hydrogel; nanocomposite hydrogel; cryohydrogel; macroporous hydrogel; Janus hydrogel; dried-gels; hydrogel biosensor; drug delivery; cell culture; hemostasis; anti-bacteria; wound healing; tissue engineering; health monitoring; disease treatment
(This special issue belongs to the Section Gel Applications)
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