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 polices 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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Advances in Hydrogels and Hydrogel-Based Composites
edited by Gi Doo Cha
submission deadline 20 Jan 2025 | 4 articles | Viewed by 5167 | Submission Open
Keywords: hydrogel; nanocomposites; biocomposites; soft material; biomaterial; biomedical application
(This special issue belongs to the Section Gel Chemistry and Physics)
Gels for Biomedical Applications submission deadline 20 Jan 2025 | 2 articles | Viewed by 3889 | 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)
Recent Advances in Crosslinked Gels (2nd Edition)
edited by Qinguo Fan
submission deadline 20 Jan 2025 | Viewed by 86 | Submission Open
Keywords: polymeric gels; crosslinked gels; supramolecular gels; synthesis of polymers; characterization of gels; smart gels; stimuli-responsive gels; applications; drug delivery; sensors; tissue engineering; adsorption
(This special issue belongs to the Section Gel Analysis and Characterization)
Gels in Medicine and Pharmacological Therapies (2nd Edition)
edited by , and
submission deadline 25 Jan 2025 | 6 articles | Viewed by 12458 | Submission Open
Keywords: gels; manufacturing; drug delivery; regenerative medicine
(This special issue belongs to the Section Gel Applications)
Advances in Hydrogels for Biomedical Applications
edited by
submission deadline 30 Jan 2025 | 7 articles | Viewed by 24274 | Submission Open
Keywords: injectable crosslinked hydrogel; dermatological field; aesthetic field; mechanical properties; crosslinking agent; preclinical study; clinical study
(This special issue belongs to the Section Gel Chemistry and Physics)
Cellulose- and Nanocellulose-Based Gels: Design and Applications submission deadline 30 Jan 2025 | 3 articles | Viewed by 4339 | Submission Open
Keywords: cellulose; nanocellulose; cellulose-based gels; nanocellulose-based gels; colloids; nanocomposites; gelation mechanism; crosslinking methods; gel properties; emerging applications; drug delivery systems; tissue engineering; food technology; cosmetics; environmental remediation
(This special issue belongs to the Section Gel Applications)
Properties and Applications of Biomaterials Related to Gels (2nd Edition)
edited by
submission deadline 31 Jan 2025 | 4 articles | Viewed by 7289 | Submission Open
Keywords: hydrogel; hemostasis; cell cryopreservation; drug delivery; wound dressing
(This special issue belongs to the Section Gel Analysis and Characterization)
Polysaccharide: Gelation Arts
edited by
submission deadline 31 Jan 2025 | 5 articles | Viewed by 6040 | Submission Open
Keywords: polysaccharides; noncovalent polymer gelation; covalent crosslinking; noncovalent crosslinking; ipn and semi-ipn networks; viscoelastic properties of polysaccharide gels; biomaterials
(This special issue belongs to the Section Gel Chemistry and Physics)
Research Progress and Application Prospects of Gel Electrolytes submission deadline 31 Jan 2025 | 3 articles | Viewed by 4332 | Submission Open
Keywords: gel electrolytes; safer electrolytes; flexible electronics; environmentally friendly electrolytes; capacitors; batteries; conductive materials
(This special issue belongs to the Section Gel Chemistry and Physics)
Physicochemical Properties and Applications of Gel Materials submission deadline 31 Jan 2025 | 2 articles | Viewed by 3800 | Submission Open
Keywords: hydrogels; aerogels; smart gels; nanocomposite gels; gels properties; bioinks; drug delivery; tissue engineering
(This special issue belongs to the Section Gel Chemistry and Physics)
Hydrogels, Oleogels and Bigels Used for Drug Delivery
edited by , , and Aline F. Miller
submission deadline 31 Jan 2025 | 3 articles | Viewed by 3525 | Submission Open
Keywords: hydrogels; oleogels; and bigels; semisolid pharmaceuticals and semisolid dispersions; pharmaceutical technology; industrial pharmaceutical processes; semisolid formulations development; topical and in situ gelling systems; gelled system formers and gel-forming polymers; pharmacotechnical analysis; semi-solid control diagram (SSCD); texture and consistency analysis; rheology and mathematical modeling; in vitro penetration tests; membrane permeation; and mathematical modeling; franz and diffusion cells; static permeation flux; and dynamic permeation flux; membranes; natural membranes; synthetic membranes; transdermal drug delivery; quality via the design of experiments
(This special issue belongs to the Section Gel Processing and Engineering)
Radiation-Induced Hydrogels and Their Applications
edited by
submission deadline 31 Jan 2025 | 1 articles | Viewed by 2025 | Submission Open
Keywords: radiation; hydrogels; natural polymer; drug delivery; biomedical applications
(This special issue belongs to the Section Gel Applications)
Gels in the Oil Field
edited by Lei Zhang
submission deadline 31 Jan 2025 | 3 articles | Viewed by 1945 | Submission Open
Keywords: gel; oil field; exploration and development; CCUS; functional materials
(This special issue belongs to the Section Gel Chemistry and Physics)
Functional Gels Loaded with Natural Products
edited by Kristina Ramanauskienė
submission deadline 31 Jan 2025 | 1 articles | Viewed by 1802 | 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)
Eco-Friendly Gels for Adsorption
edited by and Valentin Popa
submission deadline 31 Jan 2025 | 1 articles | Viewed by 937 | 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)
Gel Film and Its Wide Range of Applications
edited by , María G. Carneiro-Da-Cunha and Paulo Antônio Galindo Soares
submission deadline 31 Jan 2025 | 1 articles | Viewed by 909 | Submission Open
Keywords: biotechnology; polymeric matrices; three-dimensional network; swelling; water content
(This special issue belongs to the Section Gel Applications)
Advanced Gel Materials for Bioengineering
edited by Shuhui Yang and
submission deadline 31 Jan 2025 | 1 articles | Viewed by 718 | Submission Open
Keywords: gel material; synthesis and characterization; bioengineering; tissue engineering; drug delivery; biosensing; diagnosis
(This special issue belongs to the Section Gel Processing and Engineering)
Hydrogels, Microgels and Nanogels Emerging Platforms for Drug Delivery, Antibacterial Properties and Tissue Engineering
edited by Dimitrios Skoulas and
submission deadline 31 Jan 2025 | 1 articles | Viewed by 543 | Submission Open
Keywords: hydrogels; microgels; nanogels; drug delivery; antibacterial properties; tissue engineering
(This special issue belongs to the Section Gel Chemistry and Physics)
Multifunctional Microgels: Synthesis, Properties, and Applications
edited by , Se-Hyeong Jung and
submission deadline 31 Jan 2025 | Viewed by 196 | Submission Open
Keywords: microgel synthesis; microgel characterization; network dynamics; multifunctional microgels; microgel application
(This special issue belongs to the Section Gel Chemistry and Physics)
Recent Advances in Aerogel-Based Composites (2nd Edition)
edited by
submission deadline 31 Jan 2025 | Viewed by 115 | Submission Open
Keywords: functional aerogels; hybrid aerogels; 3D porous structure; physicochemical properties; large-scale production; applications
(This special issue belongs to the Section Gel Analysis and Characterization)
Edible Coatings and Film: Gel-Based Innovations submission deadline 31 Jan 2025 | Viewed by 104 | Submission Open
Keywords: gel-based materials; edible coatings; food preservation; sustainable packaging; biopolymers; active packaging; intelligent packaging; food quality; shelf-life extension; environmental impact; food safety
(This special issue belongs to the Section Gel Applications)
Hydrogels for Biomedical Applications: New Knowledge (2nd Edition) submission deadline 31 Jan 2025 | Viewed by 96 | Submission Open
Keywords: hydrogels; biomaterials; tissue engineering; regenerative medicine; biosensors; drug delivery; bioprinting
(This special issue belongs to the Section Gel Applications)
Hydrogels for Therapeutic Delivery: Current Developments and Future Directions
edited by Georgia Kythreoti and
submission deadline 20 Feb 2025 | 6 articles | Viewed by 7904 | Submission Open
Keywords: natural polymers; synthetic polymers; biodegradability; controlled release; drug targeted delivery; AI and nanotechnology; clinical applications
(This special issue belongs to the Section Gel Applications)
Hydrogels, Microgels, and Nanogels: From Fundamentals to Applications (2nd Edition) submission deadline 20 Feb 2025 | 3 articles | Viewed by 2376 | Submission Open
Keywords: hydrogels; microgels; polymers; colloids; synthesis; characterization; applications; swelling; phase behavior; stimuli responsive
(This special issue belongs to the Section Gel Analysis and Characterization)
Design, Fabrication, and Applications of Food Composite Gels
edited by Shima Momen and
submission deadline 20 Feb 2025 | 1 articles | Viewed by 1414 | 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)
Biomaterials for Respiratory Drug Delivery with a Focus on Gels
edited by
submission deadline 20 Feb 2025 | Viewed by 316 | Submission Open
Keywords: biomaterials; gels; respiratory drug delivery; controlled drug release; mucosal adhesion; permeation of biotherapeutics; aerogels; inhaled mRNA/DNA vaccines
(This special issue belongs to the Section Gel Applications)
Current Directions and Prospects of Hydrogels for Biomedical Applications submission deadline 28 Feb 2025 | 7 articles | Viewed by 16931 | Submission Open
Keywords: hydrogels; stimuli-responsive materials; self-healing; nanocomposite; biomedical application
(This special issue belongs to the Section Gel Applications)
Gels for Water Treatment submission deadline 28 Feb 2025 | 8 articles | Viewed by 12743 | Submission Open
Keywords: gels; nano-hybrid gels; water treatments; emerging contaminants; water remediations; innovative techniques
(This special issue belongs to the Section Gel Applications)
Advances in Gels for Wound Treatment submission deadline 28 Feb 2025 | 2 articles | Viewed by 10033 | Submission Open
Keywords: wound treatment; wound healing; gel biomaterials; drug delivery; formulation strategies; bioactive agents; tissue regeneration; wound dressings; clinical applications
(This special issue belongs to the Section Gel Applications)
Functionalized Gels for Environmental Applications (2nd Edition) submission deadline 28 Feb 2025 | 7 articles | Viewed by 8797 | Submission Open
Keywords: functionalized matrices; doped matrices; gels; noble metal nanoparticles; noble metal nanoclusters; quantum dots; sensing; remediation of environment; heavy metal ions; pesticides; toxic gaseous compounds
(This special issue belongs to the Section Gel Applications)
Bioactive Gel Films and Coatings Applied in Active Food Packaging (2nd Edition) submission deadline 28 Feb 2025 | 4 articles | Viewed by 7932 | Submission Open
Keywords: biopolymers; edible films and coatings; essential oils; natural extracts; emulsions; nanoemulsions; nanoparticles; active packaging
(This special issue belongs to the Section Gel Applications)
Biopolymer Gels as Smart Drug Delivery and Theranostic Systems submission deadline 28 Feb 2025 | 3 articles | Viewed by 5102 | Submission Open
Keywords: biopolymers; hydrogels; drug delivery; stimuli responsive; self-assembly; biopolymeric hydrogels; tissue engineering; wound dressing; multifunctional hydrogels; cancer therapy; tissue engineering; soft materials; composite hydrogels; theranostics; micro/nanogels
(This special issue belongs to the Section Gel Applications)
Rheological Studies and Applications of Hydrogels Related to Drug Delivery submission deadline 28 Feb 2025 | 3 articles | Viewed by 3965 | Submission Open
Keywords: applications of hydrogels; hydrogels in drug delivery; rheology of hydrogels; role of rheology in drug delivery; properties of hydrogels
(This special issue belongs to the Section Gel Processing and Engineering)
Advanced Gels for Oil Recovery (2nd Edition)
edited by and
submission deadline 28 Feb 2025 | 2 articles | Viewed by 3200 | Submission Open
Keywords: application of polymer gels in improved oil recovery; theory of polymer gels in improved oil recovery; synthesis and characterization of advanced polymer gels; structure-property relationships of novel polymer; unconventional oil and gas exploration and development
(This special issue belongs to the Section Gel Applications)
Gel Materials in Advanced Energy Systems
edited by
submission deadline 28 Feb 2025 | 3 articles | Viewed by 3197 | Submission Open
Keywords: energy storage; energy conversion; gel-based materials; gel-based electrolytes; conductive polymer gel
(This special issue belongs to the Section Gel Applications)
Gel Dosimetry (2nd Edition) submission deadline 28 Feb 2025 | 1 articles | Viewed by 2296 | Submission Open
(This special issue belongs to the Section Gel Chemistry and Physics)
Polymeric Hydrogels for Biomedical Application submission deadline 28 Feb 2025 | 2 articles | Viewed by 1861 | 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)
Gel Materials for Green Applications
edited by
submission deadline 28 Feb 2025 | 1 articles | Viewed by 1691 | Submission Open
Keywords: biobased inorganic particles: silica; carbon; biopolymer: cellulose; alginate; food-grade particles: starch; chitin; whey; microstructural properties of Pickering particles; properties of emulsion gels; surface modification; micro- or nano-sizes particles; Pickering emulsifier for green formulation and application
(This special issue belongs to the Section Gel Applications)
Recent Advances in Physical Gels and Their Applications submission deadline 28 Feb 2025 | 1 articles | Viewed by 757 | Submission Open
Keywords: physical gels; smart materials; supramolecular gels; self-assembly; applications
(This special issue belongs to the Section Gel Chemistry and Physics)
Food Gels: Fabrication, Characterization, and Application
edited by
submission deadline 28 Feb 2025 | 1 articles | Viewed by 687 | Submission Open
Keywords: food gels; proteins; polysaccharides; lipids; formulation and structure design; structure– property relationship; gel-based foods
(This special issue belongs to the Section Gel Applications)
Smart Hydrogel for Wound Healing and Tissue Repair
edited by Xiayi Xu and Boguang Yang
submission deadline 28 Feb 2025 | Viewed by 218 | Submission Open
Keywords: hydrogel; wound healing; tissue repair; stimuli-responsive; wound dressing; regenerative medicine; biomedical application; anti-inflammation; biomaterials; bio-adhesion
(This special issue belongs to the Section Gel Analysis and Characterization)
Multifunctional Conductive Polymer Gels: Synthesis, Properties, and Applications
edited by and Yi Zhou
submission deadline 28 Feb 2025 | Viewed by 207 | Submission Open
Keywords: conductive hydrogel; soft materials; electronics human-machine interaction; tissue regeneration; wound healing; energy harvesting
(This special issue belongs to the Section Gel Applications)
Protein-Based Gels: Synthesis, Properties, and Applications
edited by Jiangtao Zhou
submission deadline 28 Feb 2025 | Viewed by 162 | Submission Open
Keywords: protein-based gels; biocompatibility; drug delivery; tissue engineering; food structure and stabilization; environmental sustainability; multifunctional biomaterials
(This special issue belongs to the Section Gel Applications)
Research and Application of Injectable Hydrogels
edited by and
submission deadline 28 Feb 2025 | Viewed by 120 | Submission Open
Keywords: injectable hydrogel; biomechanics drug delivery; stimuli-responsive hydrogel; theranostics
(This special issue belongs to the Section Gel Applications)
Wound Healing and Other Biomedical Applications of Novel Gel Formulations submission deadline 28 Feb 2025 | Viewed by 111 | Submission Open
Keywords: gels; hydrogels; cryogels; topical gels; wound dressing; chronic wounds; tissue engineering; regenerative medicine; antimicrobial activity; anti-inflammatory; antiparasitic efficacy; cancer therapy; drug resistance; drug delivery
(This special issue belongs to the Section Gel Applications)
Molecular Dynamics Simulations and Modelling of Gels
edited by Yuan Tian and
submission deadline 28 Feb 2025 | Viewed by 108 | Submission Open
Keywords: molecular dynamics (MD) simulation; gel modeling; gel material design; gel structure– property relationships; machine learning (ML)/artificial intelligence (AI) for gels
(This special issue belongs to the Section Gel Analysis and Characterization)
Advancements in Biopolymer-Based Functional Hydrogels for Intelligent Wearables
edited by Hong Zhao and Kindness Alfred Uyanga
submission deadline 28 Feb 2025 | Viewed by 100 | Submission Open
Keywords: biopolymer-based hydrogels; sustainable microstructure designs; intelligent wearables
(This special issue belongs to the Section Gel Applications)
Natural Bioactive Compounds and Gels submission deadline 28 Feb 2025 | Viewed by 81 | Submission Open
Keywords: polyphenols; bioactive compounds; HPLC; biological activity; gelling agents; food fortification; functional additives; bioavailability; active coatings; micro- and nanocapsules; carbohydrates; hydrocolloids; rheology; thixotropy
(This special issue belongs to the Section Gel Applications)
Polymer Gels for Oil Recovery and Industry Applications
edited by Yinbo He, , and Jingyang Pu
submission deadline 28 Feb 2025 | Viewed by 79 | Submission Open
Keywords: polymer gel; polymer flooding; enhanced oil recovery; intelligent gel; temperature resistance; salt resistance; flow behavior
(This special issue belongs to the Section Gel Applications)
3D Printing of Gel-Based Materials
edited by , , Assaf Shapira and
submission deadline 15 Mar 2025 | 8 articles | Viewed by 29842 | Submission Open
Keywords: polymers; 3D printing; hydrogels; bioengineering
(This special issue belongs to the Section Gel Chemistry and Physics)
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