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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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Biobased Gels for Drugs and Cells

edited by Resmi Anand and

David Duday

submission deadline 30 Sep 2025 | 1 articles | Viewed by 693 | Submission Open

Keywords: biobased gel; drug delivery; cell encapsulation; biomaterials; cell– biomaterial interactions; chitosan; gelatin; alginate; lignin; cellulose

(This special issue belongs to the Section Gel Applications)

Polymer Gels for Sensor Applications

edited by

Rui P. C. L. Sousa

Bjørn Torger Stokke

and Francis Vocanson

submission deadline 30 Sep 2025 | 1 articles | Viewed by 644 | Submission Open

Keywords: polymer gels; sensing; monitoring; smart materials; functional gels; environmental sensors; optical sensors; electrochemical sensors; hydrogel sensors; sol-gel sensors

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

Multifunctional Microgels: Synthesis, Properties, and Applications

edited by

Jacek Janusz Walkowiak

, Se-Hyeong Jung and

Andrij Pich

submission deadline 30 Sep 2025 | Viewed by 419 | Submission Open

Keywords: microgel synthesis; microgel characterization; network dynamics; multifunctional microgels; microgel application

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

Application of Composite Gel in Food Processing and Engineering

edited by

Xiaoyan Hu

and

Lei Zhou

submission deadline 30 Sep 2025 | 1 articles | Viewed by 368 | Submission Open

Keywords: gel network formation and interactions; texture and sensory enhancement; stability and release properties; plant-based and alternative food products; environmental sustainability and biocompatibility; engineering strategies for the formulation and stabilization; temperature; shear; pH; enhancing scalability and process efficiency; computational modeling and simulation approaches

(This special issue belongs to the Section Gel Applications)

Electroactive Hydrogels: Application in Soft Actuators and Flexible Devices

edited by

Fatemeh Mokhtari

Bahareh Azimi

and Russell Varley

submission deadline 30 Sep 2025 | 1 articles | Viewed by 338 | Submission Open

Keywords: dynamic hydrogel; electro-responsive hydrogel; injectable hydrogel electrode; conductive nanomicelle hydrogel; electroconductive hydrogel; wearable bioelectronic devices

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

Smart Gels for Sensing Devices and Flexible Electronics

edited by Junjie Qin,

Hailei Zhang

and

Zhongyu Cai

submission deadline 30 Sep 2025 | 1 articles | Viewed by 319 | Submission Open

Keywords: hydrogels; organogels; responsive polymers; smart materials; intelligent materials; nanomaterials; biomaterials; actuators; chemical sensors; biosensors; wearable devices; soft robotics

(This special issue belongs to the Section Gel Applications)

Multifunctional Polymer Nano-, Micro- and Hydro- Gels: Synthesis, Properties and Applications (2nd Edition)

edited by Mingning Zhu, Wenkai Wang, Ruixue Liu and

Qinghua Wei

submission deadline 30 Sep 2025 | 1 articles | Viewed by 319 | Submission Open

Keywords: multifunctional gels; multiscale structure; stimuli responses; multiple sensing; colloids and interfaces; mechanical character; biomaterials; flexible electronics; controlled release; photoluminescence probe; adhesives and dressings

(This special issue belongs to the Section Gel Applications)

Application of Soft Gels in High-Performance Supercapacitors

edited by Shuaikai Xu

submission deadline 30 Sep 2025 | Viewed by 281 | Submission Open

Keywords: soft gels; supercapacitors; energy storage; material synthesis; charge-transfer mechanisms; electrical conductivity

(This special issue belongs to the Section Gel Applications)

Preparation and Application of New Gel Adsorption Materials

edited by Yun Deng and

Changbo Zhang

submission deadline 30 Sep 2025 | Viewed by 91 | Submission Open

Keywords: aerogels; hydrogels; membranes; films; adsorbents; removal; environmental science; novel gels; wastewater treatment; microplastic adsorption; drug adsorption/release; water-retaining agents; fertilizers; pollutant removal; soil nutrients; air purification

(This special issue belongs to the Section Gel Applications)

Recent Advances on the Use of Different Gels Type in the Food Industry

edited by

Georgiana Gabriela Codină

and

Adriana Dabija

submission deadline 1 Oct 2025 | 6 articles | Viewed by 10734 | Submission Open

Keywords: gel formation; oleogels; gelling process; gelation; gels characteristics; food products; microstructure analysis; textural properties; rheological properties; nutritional value; new products development-derived products; health benefits; processing; consumer acceptance

(This special issue belongs to the Section Gel Applications)

Advanced Hydrogel for Water Treatment (2nd Edition)

edited by

Chun Zhao

submission deadline 20 Oct 2025 | 2 articles | Viewed by 2030 | Submission Open

Keywords: hydrogel; desalination; atmospheric condensation; heavy metal ions; organics removal; water treatment

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

Advanced Functional Hydrogels for Wearable Medical Devices

edited by Xuefeng Hu and

Jinmo Jeong

submission deadline 20 Oct 2025 | 1 articles | Viewed by 1129 | Submission Open

Keywords: wearable medical devices; functional hydrogel; conductive hydrogel; biosensors; bio-adhesives; drug delivery

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

Gelatin-Based Materials for Tissue Engineering

edited by

Shuntaro Yamada

and

Lucy Di Silvio

submission deadline 20 Oct 2025 | 3 articles | Viewed by 1082 | Submission Open

Keywords: gelatin; tissue engineering; biomaterials; hydrogels; bioprinting; wound healing; scaffolds; regenerative medicine and dentistry

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

Functional Hydrogels for Soft Electronics and Robotic Applications

edited by

Jongkuk Ko

submission deadline 20 Oct 2025 | 1 articles | Viewed by 360 | Submission Open

Keywords: synthesis of functional hydrogel; processing of functional hydrogel; stimuli-responsive hydrogel; conductive hydrogel; organogel; ionogel; soft electronics; soft robotics

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

Gel-Based Materials for Cartilage Regeneration

edited by

Vivek Jeyakumar

Christoph Bauer

and

Chao Wan

submission deadline 20 Oct 2025 | Viewed by 115 | Submission Open

Keywords: cartilage regeneration; hydrogels; injectable gels; biomaterials; tissue engineering; bioactive molecules; 3D bioprinting; anti-inflammatory agents

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

Physicochemical Properties and Applications of Gel Materials

edited by

Nikolaos Bouropoulos

submission deadline 30 Oct 2025 | 4 articles | Viewed by 9607 | 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)

Advanced Aerogels: From Design to Application

edited by

María Luz Sánchez Silva

submission deadline 30 Oct 2025 | 4 articles | Viewed by 5738 | Submission Open

Keywords: aerogels; aerogel composites; synthesis and characterization; physicochemical properties; application

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

Innovative Soft Materials with a Focus on Gels

edited by

Marco Castriota

submission deadline 30 Oct 2025 | 1 articles | Viewed by 2174 | Submission Open

Keywords: gel materials; synthesis; characterization; and properties; biomedical applications; electronics; intelligent materials

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

Hydrogels for the Regeneration of Joints of the Musculoskeletal System in Orthopedics (2nd Edition)

edited by

Benjamin Gantenbein

and Mohammad Jafar Abdekhodaie

submission deadline 30 Oct 2025 | Viewed by 285 | Submission Open

Keywords: biomaterials; 3D cell culture; alginate; micro-bead; cell viability; orthopedics; stem cells; regeneration; hyaluronic acid; collagen

(This special issue belongs to the Section Gel Applications)

Hydrogel for Tissue Regeneration (2nd Edition)

edited by Dongrim Seol

submission deadline 31 Oct 2025 | 5 articles | Viewed by 9955 | Submission Open

Keywords: hydrogel; tissue regeneration/engineering; stem/progenitor cells; drugs; RNA; DNA; gene; extracellular vesicles/exosomes; 3D printing; electrospinning; molding-based injectable gels

(This special issue belongs to the Section Gel Applications)

Synthesis, Characterization and Pharmaceutical Applications of Gels

edited by

Kalliopi Dodou

submission deadline 31 Oct 2025 | 5 articles | Viewed by 7606 | Submission Open

Keywords: gel; hydrogel; nanogel; microgel; pharmaceutical; drug delivery; drug targeting

(This special issue belongs to the Section Gel Applications)

Gel Film and Its Wide Range of Applications

edited by

Priscilla Barbosa Sales De Albuquerque

, María G. Carneiro-Da-Cunha and Paulo Antônio Galindo Soares

submission deadline 31 Oct 2025 | 1 articles | Viewed by 4763 | Submission Open

Keywords: biotechnology; polymeric matrices; three-dimensional network; swelling; water content

(This special issue belongs to the Section Gel Applications)

Edible Gel Coatings and Membranes

edited by

Aris Giannakas

Constantinos Salmas

and

Charalampos Proestos

submission deadline 31 Oct 2025 | 1 articles | Viewed by 2541 | 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)

Advances in Functional and Intelligent Hydrogels

edited by

Chunxin Ma

and

Zhenzhong Liu

submission deadline 31 Oct 2025 | 1 articles | Viewed by 1803 | Submission Open

Keywords: functional/multi-functional hydrogels; intelligent/smart hydrogels; inspection/detection; adsorption/separation; anti-bacteria/anti-adhesion; biomimetic actuators; sensors/displayers

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

Protein-Based Gels: Synthesis, Properties, and Applications

edited by Jiangtao Zhou

submission deadline 31 Oct 2025 | 1 articles | Viewed by 1785 | 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)

Gel-Based Drug Delivery Systems for Cancer Treatment (2nd Edition)

edited by

Haoan Wu

and

Xingchun Gao

submission deadline 31 Oct 2025 | 1 articles | Viewed by 1315 | Submission Open

Keywords: functional hydrogel; stimuli-responsive hydrogel (endogenous stimulus: pH; GSH; ROS; MMP2; etc. exogenous stimuli: light; thermo; etc.); bioinspired hydrogel; smart delivery hydrogel; injectable hydrogel (minimally invasive administration); nanogel (systemic administration); hydrogel for combination therapy; chemo-dynamic therapy; immunotherapy; thermotherapy; wound dressing or wound healing

(This special issue belongs to the Section Gel Applications)

Silica Aerogel: Synthesis, Properties and Characterization

edited by Dongmei Huang

submission deadline 31 Oct 2025 | 2 articles | Viewed by 989 | Submission Open

Keywords: silica aerogel; highly porous and lightweight material; sol-gel techniques; buildings and aerospace; drug delivery systems; environmental remediation

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

Food Hydrocolloids and Hydrogels: Rheology and Texture Analysis

edited by

Osama Maklad

and

Aline Miller

submission deadline 31 Oct 2025 | 1 articles | Viewed by 875 | Submission Open

Keywords: food hydrocolloids; hydrogels; rheology; texture analysis; viscoelasticity; gelation; gelling agents; emulsifiers; protein– polysaccharide interactions; biopolymer networks

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

Innovative Approaches of Biopolymer-Based Hydrogels: Development, Characterization, and Biomedical Applications

edited by

Camelia Elena Iurciuc-Tincu

and

Lacramioara Ochiuz

submission deadline 31 Oct 2025 | 1 articles | Viewed by 698 | Submission Open

Keywords: hydrogels; biopolymer; sensitive hydrogels; functional hydrogels; biomaterials; synthetic materials; drug delivery; cell carrier; tissue engineering

(This special issue belongs to the Section Gel Applications)

Multifunctional Conductive Polymer Gels: Synthesis, Properties, and Applications

edited by

Tian Li

and Yi Zhou

submission deadline 31 Oct 2025 | Viewed by 395 | 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)

Application of Hydrogels in Medicine

edited by

Karol Kłosiński

and Zbigniew Pasieka

submission deadline 31 Oct 2025 | Viewed by 191 | Submission Open

Keywords: biomaterials; medical application; gels; hydrogels; biomedical applications; drug delivery; therapy; tissue engineering; wound healing; biosensing; cancer therapy; medicine; disease treatment; polymers

(This special issue belongs to the Section Gel Applications)

Shaping the Future with Thermoresponsive Gels: Smart Materials for Emerging Technologies

edited by

Adina-Elena Segneanu

, Cornelia Bejenaru and Maria Viorica Ciocîlteu

submission deadline 31 Oct 2025 | Viewed by 125 | Submission Open

Keywords: thermoresponsive gels; smart materials; temperature-sensitive polymers; hydrogels; phase transition; adaptive materials; drug delivery systems

(This special issue belongs to the Section Gel Applications)

Recent Advances in Gel Polymer Electrolytes

edited by

Katarzyna Szcześniak

Agnieszka Marcinkowska

and

Piotr Gajewski

submission deadline 31 Oct 2025 | Viewed by 96 | Submission Open

Keywords: gel polymer electrolytes; energy storage; lithium-ion batteries; ionic conductivity; polymer materials; sustainable energy systems

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

Design, Characterization and Application of Supramolecular Gels

edited by

Jianyong Zhang

submission deadline 31 Oct 2025 | Viewed by 51 | Submission Open

Keywords: supramolecular gels; structure; catalysis; sorbent materials; luminescent materials

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

Application of Smart Gel Material in Flexible and Wearable Electronic (2nd Edition)

edited by

Massimo Mariello

and

Mazeyar Parvinzadeh Gashti

submission deadline 5 Nov 2025 | 2 articles | Viewed by 2742 | Submission Open

Keywords: smart gel materials; flexible electronics; wearable electronics; gel synthesis; material characterization; electrical conductivity; self-healing capability; stretchability; sensor technology; energy harvesting

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

Gel Materials in Advanced Energy Systems

edited by

Antonia Stoyanova

submission deadline 10 Nov 2025 | 4 articles | Viewed by 11656 | 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-Based Materials for Intelligent Sensors and Self-Powered Nanogenerators

edited by

Vineet Kumar

and

Sang-Shin Park

submission deadline 20 Nov 2025 | 4 articles | Viewed by 2815 | Submission Open

Keywords: ionogels; organogels; and soft elastomers; carbon nanomaterials; smart sensing; self-powered nanogenerators; Internet of Things; real-time monitoring

(This special issue belongs to the Section Gel Applications)

Development and Applications of Advanced Geopolymer Gel Materials

edited by

Marija Ivanovic

and

Miloš Nenadović

submission deadline 20 Nov 2025 | Viewed by 124 | Submission Open

Keywords: synthesis; advanced materials; waste materials; hydrogel; nanomaterials; porous materials; characterization; wastewater treatment; environmental protection; construction application

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

Advanced Gels for Oil Recovery (2nd Edition)

edited by

Han Jia

and

Mingwei Zhao

submission deadline 25 Nov 2025 | 4 articles | Viewed by 5736 | 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)

Advanced Hydrogels for Regenerative Medicine and Tissue Engineering (3rd Edition)

edited by

Wen Shi

Shixuan Chen

and

Bo Liu

submission deadline 30 Nov 2025 | 5 articles | Viewed by 16060 | Submission Open

Keywords: hydrogels; tissue engineering; regenerative medicine; 3D bioprinting; multifunctional; disease models; scaffolds; stem cells; extracellular matrix

(This special issue belongs to the Section Gel Applications)

Design and Optimization of Pharmaceutical Gels (2nd Edition)

edited by

Zhengwei Huang

Ying Huang

and

Xuanjuan Zhang

submission deadline 30 Nov 2025 | 3 articles | Viewed by 6785 | Submission Open

Keywords: gelation materials; novel gel-based delivery systems; intelligent hydrogels; in situ gels; emulsion gels; nanogels; vesicular gels; microgels

(This special issue belongs to the Section Gel Applications)

Alginate-Based Gels: Preparation, Characterization and Application (2nd Edition)

edited by

Cheng Hu

and

Kongyin Zhao

submission deadline 30 Nov 2025 | 4 articles | Viewed by 5887 | Submission Open

Keywords: alginate hydrogel ; alginate gel ; alginate composite material; synthesis and characterization of alginate; applications of alginate; theory and simulation of alginate

(This special issue belongs to the Section Gel Applications)

Properties and Structure of Plant-Based Emulsion Gels

edited by Cynthia Fontes-Candia,

Daniel Alexander Méndez Reyes

and

Olaf Holderer

submission deadline 30 Nov 2025 | 1 articles | Viewed by 3098 | Submission Open

Keywords: emulsion gels; food application; fat replacers; lipid carriers; bioactive carriers; biopolymers; encapsulation; novel characterization methods; molecular modelling; multi-scale characterization

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

Advances in Chitin- and Chitosan-Based Hydrogels (2nd Edition)

edited by

Xinjian Cheng

submission deadline 30 Nov 2025 | 1 articles | Viewed by 2466 | Submission Open

Keywords: chitin; chitosan; chitin/chitosan derivatives; hydrogels; (nano)composites; tissue engineering; drug delivery; chitosan applications

(This special issue belongs to the Section Gel Applications)

Polysaccharide Gels for Biomedical and Environmental Applications

edited by

Ioana A. Duceac

Jana Čopíková

and

Sergiu Coseri

submission deadline 30 Nov 2025 | 3 articles | Viewed by 2384 | Submission Open

Keywords: natural and modified polysaccharides; dynamic and photoreactive crosslinks; (nano)gels; gel composites and 3D-printed constructs; structure– property– application relationships; drug delivery and diagnosis in cancer and other diseases; wound dressing and tissue engineering; sensors; environmental applications

(This special issue belongs to the Section Gel Applications)

Functional Gels for Dental Applications

edited by

Pedro C. Lopes

Željka Vanić

and Anna Carolina Volpi Mello-Moura

submission deadline 30 Nov 2025 | 2 articles | Viewed by 2159 | 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)

Polymer Aerogels and Aerogel Composites

edited by

Haiquan Guo

and

Baochau N. Nguyen

submission deadline 30 Nov 2025 | 4 articles | Viewed by 1580 | Submission Open

Keywords: aerogels; novel polymer aerogels; aerogel composites; structure-to-property relationship; characterization; applications

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

Characterization Techniques for Hydrogels and Their Applications

edited by

Juan Manuel Lázaro-Martínez

submission deadline 30 Nov 2025 | 3 articles | Viewed by 1547 | Submission Open

Keywords: characterization; spectroscopies; NMR; XPS; mechanical properties

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

Hydrogels in Biomedicine

edited by

Eleonora Russo

and

Carla Villa

submission deadline 30 Nov 2025 | 2 articles | Viewed by 1361 | Submission Open

Keywords: hydrogels; drug delivery; rheology; characterization; biomedical application; wound healing; nanotechnology; tissue engineering

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

Edible Coatings and Film: Gel-Based Innovations

edited by

Roberta Passafiume

Ilenia Tinebra

and

Vittorio Farina

submission deadline 30 Nov 2025 | 1 articles | Viewed by 1184 | 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)

Displaying special issue 101-150 on page 3 of 6.

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