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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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Towards Smart Gel Material for Flexible and Wearable Electronics

edited by Chuanqian Shi, Chengjun Wang and Ye Qiu

submission deadline 30 Aug 2025 | 1 articles | Viewed by 583 | Submission Open

Keywords: smart hydrogel; flexible electronics; wearable electronics; gel-based devices; gel synthesis and application

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

Advanced Hydrogels: Preparation, Property and Biomedical Application (2nd Edition)

edited by

Weifeng Lin

and

Longgang Wang

submission deadline 31 Aug 2025 | 7 articles | Viewed by 19582 | Submission Open

Keywords: zwitterionic hydrogels; nanogels; composite hydrogels; double network hydrogels; antifouling; wound healing; lubrication; mechanical properties; implants

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

Advances in Stimulus-Responsive Hydrogels: Theory, Modern Advances, and Applications

edited by

Yevhenii M. Morozov

and Jakub Dostalek

submission deadline 31 Aug 2025 | 3 articles | Viewed by 11304 | Submission Open

Keywords: stimulus-responsive hydrogels; smart materials; hybrid materials; thermoresponsiveness; physical and chemical mechanisms; hydrogel fabrication; hydrogel application

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

Food Gels: Fabrication, Characterization, and Application

edited by

Hao Cheng

submission deadline 31 Aug 2025 | 8 articles | Viewed by 11185 | 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)

Design, Fabrication, and Applications of Food Composite Gels

edited by Shima Momen and

Mahsa Majzoobi

submission deadline 31 Aug 2025 | 3 articles | Viewed by 10277 | 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)

Advanced Soft Gels with Enhanced Functionality for Biomedical and Additive Manufacturing Applications

edited by

Ing Kong

and

Akesh Babu Kakarla

submission deadline 31 Aug 2025 | 5 articles | Viewed by 9477 | Submission Open

Keywords: synthesis; characterisation; physiochemical properties; biodegradation; synthetic and natural polymers; biopolymers; physical and chemical crosslinking; composite gels; self-healing gels; cell culture; drug delivery; 3D printing and bioprinting; tissue engineering; hydrogels; microgels; nanogels

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

Research Progress and Application Prospects of Gel Electrolytes

edited by

Ana Isabel Ribeiro

and

Andrea Zille

submission deadline 31 Aug 2025 | 7 articles | Viewed by 8679 | 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)

Gels in the Oil Field

edited by Lei Zhang

submission deadline 31 Aug 2025 | 7 articles | Viewed by 7942 | Submission Open

Keywords: gel; oil field; exploration and development; CCUS; functional materials

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

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 Aug 2025 | 3 articles | Viewed by 5849 | Submission Open

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

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

Outcomes and Trends in Polymer Gels: Designing, Properties and Applications

edited by Noelia Maldonado Gavilán and

Georgios Bokias

submission deadline 31 Aug 2025 | 4 articles | Viewed by 4477 | Submission Open

Keywords: polymeric networks; strengthened supramolecular interactions; novel crosslinkers; smart behavior; advanced manufacturing and characterization

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

Recent Advances in Food Gels (2nd Edition)

edited by

Przemyslaw Siejak

and

Krzysztof Polewski

submission deadline 31 Aug 2025 | 3 articles | Viewed by 2383 | 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)

Engineering Advanced Hydrogels for Biomedical Applications (2nd Edition)

edited by

Bae Hoon Lee

and

Nabila Mehwish

submission deadline 31 Aug 2025 | 2 articles | Viewed by 2227 | Submission Open

Keywords: hydrogels; immunoregulation; multifunctional properties; polymers; nanocomposites; tissue regeneration; wound healing; bioprinting; drug delivery; cell culture

(This special issue belongs to the Section Gel Applications)

Nanogels and Microgels: Fundamental Studies, Applications, and Emerging Trends

edited by Guang Chen and Jiaxing Yuan

submission deadline 31 Aug 2025 | 2 articles | Viewed by 2208 | 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)

Research on the Applications of Conductive Hydrogels

edited by

Ssu-Ju Li

, Ching-Wen Chang and

Xin Zhao

submission deadline 31 Aug 2025 | 1 articles | Viewed by 1172 | Submission Open

Keywords: conductive hydrogels; flexible electronics; bioelectronics; biosensors; tissue engineering; wearable devices; soft robotics; material design; biocompatibility; electrochemical properties

(This special issue belongs to the Section Gel Applications)

Recent Advances in Soft Gels in the Food Industry and Technology

edited by

Manuela Machado

Eduardo Costa

Sara Silva

, Sérgio Cruz Sousa and

Ana Maria Gomes

submission deadline 31 Aug 2025 | 1 articles | Viewed by 1043 | Submission Open

Keywords: soft gels; food texture; gelling agents; food industry applications; sustainable food technology; nutritional enhancement; flavor release systems; bioactive compound delivery; microstructure analysis; shelf-life extension

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

Recent Trends in Gels-Based Drug Delivery Systems

edited by

Akira Matsumoto

and Yuta Koda

submission deadline 31 Aug 2025 | Viewed by 474 | Submission Open

Keywords: drug delivery system; biomaterials; hydrogels; designing network structures; stimuli-responsive; sensors; theranostics; biomacromolecule conjugation and encapsulation; injectable gels; sol– gel transition; liquid– liquid phase separation; biodegradable

(This special issue belongs to the Section Gel Applications)

Recent Advances in Gels for Pharmaceutical Application

edited by

Jurga Andreja Kazlauskaite

Inga Matulyte

and Daiva Majienė

submission deadline 31 Aug 2025 | 1 articles | Viewed by 366 | Submission Open

Keywords: gel; hydrogel; bigels; nanogel; microgel; gel-related formulation; encapsulation techniques; drug delivery; drug targeting

(This special issue belongs to the Section Gel Applications)

Gel-Supported Catalysts for Sustainable Chemistry

edited by Maria H. L. Ribeiro

submission deadline 31 Aug 2025 | Viewed by 298 | Submission Open

Keywords: gels; hydrogels; enzymes; cells; biocatalysis; sustainable biocatalysis

(This special issue belongs to the Section Gel Applications)

Recent Advancements and Functional Applications of Aerogels

edited by

Ye Tian

and Qiaoran Zhang

submission deadline 31 Aug 2025 | Viewed by 185 | Submission Open

Keywords: aerogels; multifunctional applications; thermal insulation; stimuli-responsive; flame retardant; wearable aerogels

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

Polymer-Based Gels

edited by Antonio Veloso-Fernández and

Bogdan-Marian Tofanica

submission deadline 31 Aug 2025 | 1 articles | Viewed by 177 | Submission Open

Keywords: polymer gels; gel formation; smart materials; sustainable materials; biopolymers; polymer chemistry; gel synthesis

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

Gel Biomaterials for Cancer Therapy and Biomedical Applications

edited by Natalie K. Livingston and Kimberly M. Stroka

submission deadline 31 Aug 2025 | Viewed by 168 | Submission Open

Keywords: gel biomaterials; hydrogels; cancer therapy; drug delivery systems; tumor microenvironment; immunotherapy; injectable gels

(This special issue belongs to the Section Gel Applications)

Polysaccharide-Based Gels

edited by Longxiang Zhu

submission deadline 31 Aug 2025 | Viewed by 149 | Submission Open

Keywords: polysaccharide; hydrogel; multi-functionalization; biomedicine; biodegradable; wearable sensors; packaging

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

New Trends in Chitosan-Based Hydrogels

edited by

Lahoucine Bahsis

submission deadline 31 Aug 2025 | Viewed by 130 | Submission Open

Keywords: chitosan hydrogels; green synthesis; biopolymer-based hydrogels; polymer crosslinking; biodegradable hydrogels; nanocomposites

(This special issue belongs to the Section Gel Applications)

Customizing Hydrogels: A Journey from Concept to End-Use Properties

edited by

Andra-Cristina Enache

Corneliu Cojocaru

and

Petrisor Samoila

submission deadline 10 Sep 2025 | 6 articles | Viewed by 5528 | Submission Open

Keywords: natural/synthetic/hybrid hydrogels; chemical/physical hydrogels; “ smart” hydrogels; (nano)composite hydrogels; gelation mechanism; end-use properties

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

Advances in Hydrogels for Regenerative Medicine

edited by

Martina Lenzuni

and Dongdong Zhou

submission deadline 10 Sep 2025 | 1 articles | Viewed by 1916 | Submission Open

Keywords: hydrogels; regenerative medicine; biomaterials; tissue engineering; drug delivery; 3D bioprinting; scaffold design; biocompatibility; stimuli-responsive hydrogels

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

Advanced Metal Gels: Synthesis and Applications

edited by Yue Hu and

Ran Du

submission deadline 15 Sep 2025 | 2 articles | Viewed by 2047 | Submission Open

Keywords: aerogels; gels; metal aerogels; porous materials; nanostructures; catalysis; sensing; actuators; smart materials

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

Recent Advances in Crosslinked Gels (2nd Edition)

edited by Qinguo Fan

submission deadline 20 Sep 2025 | 1 articles | Viewed by 1907 | 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 for Biomedical Applications

edited by

Joaquim Suñer-Carbó

and

Helena Colom-Codina

submission deadline 25 Sep 2025 | 7 articles | Viewed by 11451 | 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)

Eco-Friendly Gels for Adsorption

edited by

Elena Ungureanu

and Valentin Popa

submission deadline 25 Sep 2025 | 6 articles | Viewed by 10166 | 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)

Composite Hydrogels for Biomedical Applications

edited by

Marta Slavkova

and

Marieta Constantin

submission deadline 25 Sep 2025 | 5 articles | Viewed by 9581 | Submission Open

Keywords: hydrogels; drug delivery; composite hydrogels; gel characterization; biomedical application; wound healing; tissue engineering

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

Gel-Based Materials for Biomedical Engineering (2nd Edition)

edited by

Jieyu Zhang

and

Daihua Fu

submission deadline 25 Sep 2025 | 2 articles | Viewed by 2111 | Submission Open

Keywords: biomaterials; hydrogels; injectable hydrogels; cryogels; tissue engineering; wound healing; drug delivery; heart failure

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

Recent Advances in Protein Gels

edited by

Maria Stanca

and

Katarzyna Ławińska

submission deadline 30 Sep 2025 | 8 articles | Viewed by 19236 | Submission Open

Keywords: protein gels; hydrogels; biopolymers; synthesis and characterization; functional applications; waste management; circular economy

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

Advances in Cellulose-Based Hydrogels (3rd Edition)

edited by

Lorenzo Bonetti

Laura Riva

and

Christian Demitri

submission deadline 30 Sep 2025 | 10 articles | Viewed by 18153 | Submission Open

Keywords: cellulose; nanocellulose; cellulose derivatives; cellulose-based composites; hydrogels; design; characterization; applications

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

Designing Hydrogels for Sustained Delivery of Therapeutic Agents

edited by Jiajia Xiang

submission deadline 30 Sep 2025 | 5 articles | Viewed by 13332 | Submission Open

Keywords: hydrogel; nanogel; drug delivery; gene delivery; cancer therapy; tissue engineering; controlled release; regenerative medicine

(This special issue belongs to the Section Gel Applications)

Recent Progress and Development of Advanced Aerogels: Latest Processing Methods, Improved Properties and Application (2nd Edition)

edited by

Mingze Sun

and

Tobias Abt

submission deadline 30 Sep 2025 | 4 articles | Viewed by 8333 | Submission Open

Keywords: aerogel; processing; properties; application

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

Gel Materials for Heritage Conservation

edited by

Emiliano Carretti

, Rosangela Mastrangelo and Damiano Bandelli

submission deadline 30 Sep 2025 | 3 articles | Viewed by 6049 | Submission Open

Keywords: advanced gel materials; hydrogels; organogels; eco-sustainable materials; gel analytical chemistry; cultural heritage preservation; cleaning; consolidation; and protection

(This special issue belongs to the Section Gel Applications)

Recent Advances in Microgels

edited by

Paula Isabel Soares

submission deadline 30 Sep 2025 | 2 articles | Viewed by 5777 | Submission Open

Keywords: thermoresponsive; stimuli-responsive; microgel; polymer; synthesis; branched structure; responsive material

(This special issue belongs to the Section Gel Applications)

Functional Gels Loaded with Natural Products

edited by Kristina Ramanauskienė

submission deadline 30 Sep 2025 | 4 articles | Viewed by 5534 | 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)

Wound Healing and Other Biomedical Applications of Novel Gel Formulations

edited by

Sibusiso Alven

and

Blessing Atim Aderibigbe

submission deadline 30 Sep 2025 | 4 articles | Viewed by 5056 | 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)

Advances and Application of Polymer Gels for Subsurface Energy and Storage

edited by

Baojun Bai

and Jingyang Pu

submission deadline 30 Sep 2025 | 4 articles | Viewed by 4886 | Submission Open

Keywords: Novel polymer gel materials (e.g.; phase-change polymer gels; self-healing hydrogels; thermal-responsive polymer gels; salt-resistant polymer gels; sustainable and renewable polymer gels; etc.); ; Polymer gel applications in carbon capture; utilization; and storage; ; Factors impacting the effectiveness of polymer gel treatment; ; Characterization of polymer gel transport and plugging performance in porous media; ; Reservoir numerical/physical simulation of CO2 flooding; ; Machine learning applications in polymer gels projects.

(This special issue belongs to the Section Gel Applications)

Food Hydrogels: Synthesis, Characterization and Applications

edited by Esther Santamaría and González Azón Carme

submission deadline 30 Sep 2025 | 2 articles | Viewed by 4791 | Submission Open

Keywords: food hydrogels; natural biopolymers; controlled release nutrients; rheological characterization; texture modification; shelf life extension; functional food

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

Rheological Properties and Applications of Gel-Based Materials

edited by Jungbin Ahn and

Rama Bansil

submission deadline 30 Sep 2025 | 5 articles | Viewed by 4121 | Submission Open

Keywords: gel-based materials; rheological analysis; nanocomposite

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

Gels for Flexible Electronics and Energy Devices (2nd Edition)

edited by

Yi-Zhou Zhang

and

Wen-Yong Lai

submission deadline 30 Sep 2025 | 4 articles | Viewed by 3838 | Submission Open

Keywords: hydrogels; flexible sensors; strain/pressure sensors; gel electrolytes; flexible batteries; flexible supercapacitors; energy harvesting

(This special issue belongs to the Section Gel Applications)

Advances in Synthetic and Bio-Based Aerogels: Mechanical Properties, Thermal Insulation, and Environmental Remediation (2nd Edition)

edited by

Beatriz Merillas

and

Luísa Durães

submission deadline 30 Sep 2025 | 3 articles | Viewed by 2588 | Submission Open

Keywords: aerogels; thermal insulation; mechanical properties; porous structure; environmental remediation

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

Advancing Green Chemistry in Hydrogel Development: Design, Synthesis, and Characterization

edited by

Pietro Matricardi

and

Njomza Ajvazi

submission deadline 30 Sep 2025 | 2 articles | Viewed by 2514 | Submission Open

Keywords: hydrogels; biomolecules; natural polymers; biocompatibility; biodegradability; green chemistry

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

Food Gels: Structure and Properties (2nd Edition)

edited by

Hongjie Dai

submission deadline 30 Sep 2025 | 1 articles | Viewed by 1788 | Submission Open

Keywords: biopolymer; gel; hydrogel; structure; emulsion; food application; 3D printing; interaction

(This special issue belongs to the Section Gel Applications)

Synthesis, Characterization and Applications of Collagen-Based Gels

edited by

Andreea-Mariana Negrescu

and

Anişoara Cîmpean

submission deadline 30 Sep 2025 | 2 articles | Viewed by 1585 | 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)

Advances in Organogelators: Preparation, Properties, and Applications

edited by

Plamen Kirilov

submission deadline 30 Sep 2025 | 1 articles | Viewed by 1020 | Submission Open

Keywords: organogels; drug delivery; biomaterials; device development; pharmaceutics; drug reservoirs; smart delivery systems; smart formulations

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

Recent Advances in Hydrogel Materials

edited by

Siyuan Chen

and

Akira Matsumoto

submission deadline 30 Sep 2025 | 1 articles | Viewed by 1004 | Submission Open

Keywords: hydrogels; polymers; gel synthesis; characterization; interdisciplinary applications

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

Advances in Composite Gels (3rd Edition)

edited by

Shinya Inazumi

submission deadline 30 Sep 2025 | 1 articles | Viewed by 989 | Submission Open

Keywords: nanocomposite hydrogels; bio-based composite hydrogels; organic– inorganic composite hydrogels

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

Displaying special issue 51-100 on page 2 of 6.

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