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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Polysaccharide-Based Gels
edited by Longxiang Zhu
submission deadline 20 Mar 2027 | 5 articles | Viewed by 5162 | Submission Open
Keywords: polysaccharide; hydrogel; multi-functionalization; biomedicine; biodegradable; wearable sensors; packaging
(This special issue belongs to the Section Gel Chemistry and Physics)
Conducting Polymer Gels: Synthesis, Properties, and Applications
edited by and
submission deadline 20 Mar 2027 | Viewed by 131 | Submission Open
Keywords: conducting polymer gels; soft functional materials; flexible electronics; bioelectronics; ionic–electronic transport
(This special issue belongs to the Section Gel Analysis and Characterization)
Modification of Gels in Creating New Food Products (2nd Edition) submission deadline 30 Mar 2027 | 3 articles | Viewed by 7974 | 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)
Gels for Skin Treatment and Wound Healing
edited by Anca Daniela Raiciu
submission deadline 31 Mar 2027 | 3 articles | Viewed by 5599 | Submission Open
Keywords: gels; hydrogels; gemmoderivatives; wound healing; skin treatment; gemmotherapy; anti-inflammatory; tissue regeneration
(This special issue belongs to the Section Gel Analysis and Characterization)
Advanced Hydrogels: From Design to Functional Biomedical Applications submission deadline 31 Mar 2027 | Viewed by 761 | Submission Open
Keywords: hydrogels; advanced hydrogels; functional biomaterials; bioactive hydrogels; nanocomposite hydrogels; injectable hydrogels; stimuli-responsive hydrogels; controlled drug delivery; tissue engineering; regenerative medicine; wound healing; dental materials; restorative dentistry; endodontics; periodontology; implantology; medical device coatings; soft tissue reconstruction; orthopaedics; translational biomedical applications
(This special issue belongs to the Section Gel Applications)
Biopolymer-Based Gels for Drug Delivery and Tissue Engineering (3rd Edition)
edited by
submission deadline 31 Mar 2027 | 1 articles | Viewed by 561 | Submission Open
Keywords: polysaccharides; proteins; biopolymers; gel development; gel evaluation; formulation optimization; gels in cancer therapy; tissue engineering
(This special issue belongs to the Section Gel Processing and Engineering)
Polymer-Based Smart Gel Electrolytes for Energy Storage
edited by Yun Tan and
submission deadline 31 Mar 2027 | Viewed by 404 | Submission Open
Keywords: polymer-based smart gel electrolytes; energy storage; batteries; supercapacitors; crosslinked networks; block copolymers; nanocomposite gels; self-healing; thermal/electrochemical; adaptive conductivity
(This special issue belongs to the Section Gel Analysis and Characterization)
Advanced Functional Silicone Gels: Design, Properties, and Applications
edited by Dongxin He
submission deadline 31 Mar 2027 | 1 articles | Viewed by 332 | Submission Open
Keywords: silicone gel; molecular design; structure–property relationship; electrical properties; mechanical properties; thermal stability; aging and reliability; multifunctional applications
(This special issue belongs to the Section Gel Processing and Engineering)
Gel-Related Materials: Challenges and Opportunities (3rd Edition)
edited by
submission deadline 31 Mar 2027 | 1 articles | Viewed by 324 | Submission Open
Keywords: gels; organogels; hydrogels; chemical gels; gels made in mixtures; gels made in solvents; drug delivery; drug crystallization
(This special issue belongs to the Section Gel Processing and Engineering)
Nanogels: An Innovative Approach to Personalized Medicine submission deadline 31 Mar 2027 | Viewed by 254 | Submission Open
Keywords: nanogels; drug delivery; targeting; personalized medicine
(This special issue belongs to the Section Gel Applications)
Synthesis, Characterization and Applications of Collagen-Based Gels (2nd Edition) submission deadline 31 Mar 2027 | Viewed by 175 | Submission Open
Keywords: collagen-based gels; soft materials; mechanical properties; functional applications; tissue engineering; regenerative medicine; drug delivery
(This special issue belongs to the Section Gel Processing and Engineering)
Gel-Based Next-Generation Energy Storage
edited by , Aidong Tang, Chenyang Shi and
submission deadline 31 Mar 2027 | Viewed by 118 | Submission Open
Keywords: gel electrolytes; solid-state batteries; metal-ion batteries; hydrogel, aerogel and organogel; ionogels; flexible energy storage; quasi-solid supercapacitors; self-healing gels; conductive nanostructured gels
(This special issue belongs to the Section Gel Applications)
Nanogels and Microgels: Fundamental Studies, Applications, and Emerging Trends (2nd Edition)
edited by Guang Chen and Jiaxing Yuan
submission deadline 31 Mar 2027 | Viewed by 100 | Submission Open
Keywords: volume phase transition; non-equilibrium swelling/collapse dynamics; stimuli responsive behaviors; drug delivery systems; soft actuators and robotics; biosensors; polymer network
(This special issue belongs to the Section Gel Chemistry and Physics)
Recent Advances in Polysaccharide-Based Gels
edited by
submission deadline 31 Mar 2027 | Viewed by 97 | Submission Open
Keywords: polysaccharide-based gels; hydrogel drug delivery; active pharmaceutical ingredients; bioactive compounds; controlled release; release kinetics; sterilization; mathematical modeling; release modeling; structure–property relationships
(This special issue belongs to the Section Gel Processing and Engineering)
Gel Formation Processes and Materials for Functional Thin Films (2nd Edition) submission deadline 31 Mar 2027 | Viewed by 92 | Submission Open
Keywords: sol–gel method; gels; thin films; deep coating; spin coating; film applications; membranes
(This special issue belongs to the Section Gel Processing and Engineering)
Multifunctional Hydrogel Materials for Advanced Protective Applications
edited by
submission deadline 31 Mar 2027 | Viewed by 30 | Submission Open
Keywords: hydrogel materials; electromagnetic shielding; thermal management; anticorrosion coatings; environmental stability
(This special issue belongs to the Section Gel Processing and Engineering)
Gels in Agriculture and Environment: Prospects and Challenges
edited by
submission deadline 10 Apr 2027 | 1 articles | Viewed by 1028 | Submission Open
Keywords: biopolymer hydrogels; polysaccharides; polypeptides; soil improvement; sustainable agriculture
(This special issue belongs to the Section Gel Applications)
Advances and Prospects in the Food Applications of Hydrogels
edited by and Ziang Guo
submission deadline 10 Apr 2027 | Viewed by 142 | Submission Open
Keywords: hydrogels; food preservation; freezing and thawing; physical field processing; 3D food printing; edible coatings
(This special issue belongs to the Section Gel Processing and Engineering)
Advanced Hydrogels for 3D Printing
edited by Zhaoxuan Feng and Yudong Zheng
submission deadline 20 Apr 2027 | Viewed by 116 | Submission Open
Keywords: advanced hydrogels; 3D bioprinting; 3D printing technologies; bioinks; tissue engineering; extracellular matrix (ECM) mimicry; regenerative medicine; scaffold
(This special issue belongs to the Section Gel Processing and Engineering)
Polymer Hydrogels and Networks
edited by
submission deadline 30 Apr 2027 | 5 articles | Viewed by 10910 | Submission Open
Keywords: polymer hydrogels; network design; crosslinking strategies; tough hydrogels; self-recovery; stimuli-responsive; human–machine interface; electronic skin; tissue regeneration
(This special issue belongs to the Section Gel Analysis and Characterization)
Recent Advance in Food Gels (3rd Edition)
edited by and
submission deadline 30 Apr 2027 | 3 articles | Viewed by 8891 | Submission Open
Keywords: emerging protein resources; polysaccharides; self-assembly; microstructure
(This special issue belongs to the Section Gel Applications)
Functionalized Hydrogels: Biomimetic Design, Adhesion Mechanisms and Biomedical Applications
edited by
submission deadline 30 Apr 2027 | 4 articles | Viewed by 7435 | Submission Open
Keywords: functional hydrogels; biomimicry; tissue regeneration; wound dressing; drug delivery; engineering scaffolds; bioelectronic interfaces; wearable sensors; hydrogel microneedles.
(This special issue belongs to the Section Gel Chemistry and Physics)
Advanced Gel-Based Sensors: Design, Fabrication and Applications
edited by Youchao Teng and Yimin Wu
submission deadline 30 Apr 2027 | 1 articles | Viewed by 1098 | Submission Open
Keywords: hydrogels; ionogels; gel-based sensors; wearable sensors; flexible electronics; biosensors
(This special issue belongs to the Section Gel Processing and Engineering)
Functional Fibrous Gel Materials
edited by and Yong Zheng
submission deadline 30 Apr 2027 | 2 articles | Viewed by 605 | Submission Open
Keywords: fibrous gels; conductive; high mechanical performance; environmental response; biocompatibility
(This special issue belongs to the Section Gel Chemistry and Physics)
Gels and Gel Processes Applied in Sensors submission deadline 30 Apr 2027 | Viewed by 205 | Submission Open
Keywords: gel materials; hydrogels; stimuli-responsive; sensor applications; electronic sensors
(This special issue belongs to the Section Gel Applications)
Flexible Gel Materials for Next-Generation Wearable Electronics submission deadline 30 Apr 2027 | Viewed by 132 | Submission Open
Keywords: flexible gels; hydrogels; organogels; ionogels; conductive gels; self-healing materials; organic–inorganic hybrids; wearable sensors; soft electronics; robotics
(This special issue belongs to the Section Gel Processing and Engineering)
Role and Function of Gels in Food Storage and Processing
edited by and Xi Yang
submission deadline 30 Apr 2027 | Viewed by 132 | Submission Open
Keywords: pectin gelation; fruit and vegetable texture; gel formation mechanisms; pectin structure–function relationship; processing and storage factors
(This special issue belongs to the Section Gel Applications)
Novel Polymer-Based Smart Hydrogels Design, Properties and Applications (2nd Edition)
edited by , and Xue-Qing Zhan
submission deadline 30 Apr 2027 | Viewed by 105 | Submission Open
Keywords: hydrogels; structural design; mechanical sensors; temperature sensors; biosensors; intelligent drivers; intelligent building materials; smart biomedical materials
(This special issue belongs to the Section Gel Applications)
Sustainable Advanced Materials in Aerogels and Hydrogels
edited by
submission deadline 30 Apr 2027 | Viewed by 102 | Submission Open
Keywords: energy and environmental applications; thermal and acoustic insulation; water purification and oil spill remediation; flexible and wearable devices; biomedical and healthcare materials; circular economy and waste-to-materials technologies; green manufacturing and scalable processing
(This special issue belongs to the Section Gel Analysis and Characterization)
Functional Gels for Dental Applications (2nd Edition) submission deadline 30 Apr 2027 | Viewed by 96 | Submission Open
Keywords: functional gels; hydrogels; biomaterials; dental applications; oral disease prevention; regenerative dentistry
(This special issue belongs to the Section Gel Processing and Engineering)
Emerging Trends in Food Gels: Nutrition, Safety and Sustainable Manufacturing submission deadline 10 May 2027 | Viewed by 188 | Submission Open
Keywords: food gels; functional foods; natural antioxidants; gel structure; nutrition; food safety; sustainable manufacturing; bioactive compounds
(This special issue belongs to the Section Gel Chemistry and Physics)
Gels: Diversity of Structures and Applications in Food Science (2nd Edition)
edited by Dan Xiong and Qingling Wang
submission deadline 10 May 2027 | Viewed by 165 | Submission Open
Keywords: gel structures; food science; gel applications; encapsulation of bioactive compounds; food texture; gelation mechanisms; rheological properties
(This special issue belongs to the Section Gel Processing and Engineering)
Novel Food Gel Materials: Fabrication, Characterization and Functional Performance
edited by Zheng Zhang
submission deadline 15 May 2027 | Viewed by 215 | Submission Open
Keywords: starch; gels; nutrition; delivery; gut–X axis
(This special issue belongs to the Section Gel Chemistry and Physics)
Design and Development of Gelatin-Based Materials (2nd Edition)
edited by Bing Zhang
submission deadline 20 May 2027 | 2 articles | Viewed by 2543 | Submission Open
Keywords: gelatin based material; hemostatic materials; tissue adhesives; regeneration medicine; GelMA hydrogel; plasma substitutes; tissue engineering scaffolds
(This special issue belongs to the Section Gel Analysis and Characterization)
Functional Food Gels: Bioactive Delivery, Composite Gel Systems, and Digestive Regulation
edited by Yuxuan Liang and
submission deadline 20 May 2027 | Viewed by 29 | Submission Open
Keywords: functional food gels; hydrocolloids; bioactive compounds; brain-targeted delivery; sustained release; dietary fiber; composite gels; functional lipids; texture; water-holding capacity; starch and lipid digestion; glycemic index; gut–brain axis; neurological health
(This special issue belongs to the Section Gel Analysis and Characterization)
Physical and Mechanical Properties of Polymer Gels (3rd Edition)
edited by and
submission deadline 25 May 2027 | 6 articles | Viewed by 9278 | Submission Open
Keywords: soft matter; rheology; gels; bigels
(This special issue belongs to the Section Gel Analysis and Characterization)
Hydrogel for Sustained Delivery of Therapeutic Agents (3rd Edition) submission deadline 30 May 2027 | 4 articles | Viewed by 18361 | Submission Open
Keywords: hydrogels; drug delivery; therapeutic agents; natural biopolymers; aerogels; polymer gel properties; biomedical applications; tissue engineering; smart hydrogels; stimuli-responsive gels; biomaterials; physical–chemical characterization; 3D printing; structure–property relationship; regenerative medicine
(This special issue belongs to the Section Gel Applications)
Recent Advances in Functionalized Aerogels: Preparation, Modification and Applications
edited by
submission deadline 31 May 2027 | 5 articles | Viewed by 4467 | Submission Open
Keywords: aerogels; environment; energy storage; smart catalysts; drug delivery; tissue engineering; biosensors
(This special issue belongs to the Section Gel Applications)
Advanced Antibacterial Hydrogels: From Tissue Engineering to Environmental Applications submission deadline 31 May 2027 | Viewed by 338 | Submission Open
Keywords: antibacterial hydrogels; tissue engineering; antimicrobial mechanisms; controlled drug release; biocompatibility; infection monitoring; structure–property relationship; scaffold; regenerative medicine; antimicrobial water treatment; sustainable antimicrobial materials
(This special issue belongs to the Section Gel Applications)
Food Gels: Structure and Function (3rd Edition)
edited by Longwei Jiang, , and Xiaoxia Yan
submission deadline 31 May 2027 | 1 articles | Viewed by 175 | Submission Open
Keywords: food gels; polymers; polysaccharide; protein; structure; chemical and physicochemical characterization; film-forming properties; food quality
(This special issue belongs to the Section Gel Analysis and Characterization)
Innovation in Aerogels—Structure, Properties and Applications
edited by
submission deadline 31 May 2027 | Viewed by 145 | Submission Open
Keywords: aerogels; thermal insulation; catalysis; density functional theory; adsorbent; sensors; functional materials
(This special issue belongs to the Section Gel Analysis and Characterization)
Food Gels: Intelligent Responsive Systems, Healthy Structural Design, and Sustainable Manufacturing
edited by , , Ruixuan Zhao and Jing Li
submission deadline 31 May 2027 | Viewed by 112 | Submission Open
Keywords: intelligent responsive gel systems; healthy food gel structures; sustainable gel materials; 3D/4D printing technologies
(This special issue belongs to the Section Gel Analysis and Characterization)
Biomedical Hydrogels: From Synthesis to Therapy
edited by
submission deadline 31 May 2027 | Viewed by 85 | Submission Open
Keywords: biomedical hydrogels; local drug delivery; stimuli-responsive hydrogels; anti-inflammatory therapy; atopic dermatitis; melanoma; osteoarthritis; mucosal adhesion; wound healing; tissue regeneration; biomedical gel characterization
(This special issue belongs to the Section Gel Chemistry and Physics)
Applications of Gels in Energy Materials and Devices (2nd Edition) submission deadline 25 Jun 2027 | 1 articles | Viewed by 1507 | Submission Open
Keywords: polymer gel; gel precursor; hydrogels; gel membrane; solar cell; batteries; sol–gel method; energy devices; energy conversion; energy harvesting; supercapacitor; flexible batteries; H2O2 production
(This special issue belongs to the Section Gel Analysis and Characterization)
Selected Papers from the 2nd International Online Conference on Gels
edited by
submission deadline 30 Jun 2027 | Viewed by 363 | Submission Open
Keywords: hydrogels; organogels; xerogels; aerogels; stimuli-responsive; multifunctional; machine learning; applications
(This special issue belongs to the Section Gel Applications)
Aerogels: From Nanostructure to Novel Applications
edited by
submission deadline 30 Jun 2027 | Viewed by 300 | Submission Open
Keywords: pristine, hybrid and composite aerogels; aerogel manufacturing; structural and mechanical studies; structure-related applications; aerogel composites and nanocomposites; environment protection; biomedical applications; catalysts and catalytic applications; aerogel drug carriers and controlled drug release; selective adsorption, organic and inorganic analyte binding; space technology; tissue engineering; thermal insulation and fire resistance; elementary particle and radiation detection; electromagnetic shielding; photocatalysis; additive manufacturing; 3D printing; nanofibers; synthetic and natural polymer aerogels; optical and window applications; IR, NIR, Raman, UV-Vis and NMR spectroscopy; thermal imaging; electrochemical properties; energy storage and rechargeable batteries
(This special issue belongs to the Section Gel Chemistry and Physics)
Hydrogels: Properties and Application in Biomedicine (2nd Edition) submission deadline 30 Jun 2027 | Viewed by 37 | Submission Open
Keywords: hydrogels; biomedical applications; stimuli-responsive materials; tissue engineering; computational modelling
(This special issue belongs to the Section Gel Processing and Engineering)
Functional Gels in Drug Delivery Systems submission deadline 15 Jul 2027 | Viewed by 49 | Submission Open
Keywords: drug delivery system; functional hydrogel; stimuli-responsive biomaterial; biosynthesis; drug delivery system
(This special issue belongs to the Section Gel Applications)
Structure and Properties of Functional Hydrogels (3rd Edition) submission deadline 20 Jul 2027 | Viewed by 264 | Submission Open
Keywords: functional hydrogels; hierarchical structure; multiscale structure; structure–property relationship; mechanical property
(This special issue belongs to the Section Gel Analysis and Characterization)
Gel Film and Its Wide Range of Applications
edited by , María G. Carneiro-Da-Cunha and Paulo Antônio Galindo Soares
submission deadline 31 Jul 2027 | 3 articles | Viewed by 16467 | Submission Open
Keywords: biotechnology; polymeric matrices; three-dimensional network; swelling; water content
(This special issue belongs to the Section Gel Applications)
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