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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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Polymer-Based Hydrogels Applied in Drug Delivery

edited by Laura Nižić Nodilo and Mario Jug

submission deadline 30 Apr 2026 | 1 articles | Viewed by 2958 | Submission Open

Keywords: polymer-based hydrogel; controlled drug release; targeted drug delivery; rheological characterization; viscoelastic systems; texture analysis; biocompatibility; muco-adhesion; natural polymers; novel (multi)functional polymers

(This special issue belongs to the Section Gel Applications)

Recent Advance in Food Gels (3rd Edition)

edited by

Zhi Yang

and

Lirong Cheng

submission deadline 30 Apr 2026 | 2 articles | Viewed by 2823 | Submission Open

Keywords: emerging protein resources; polysaccharides; self-assembly; microstructure

(This special issue belongs to the Section Gel Applications)

Rational Design and Applications of Hydrogels in Regenerative Medicine

edited by Diego Trucco and

Gina Lisignoli

submission deadline 30 Apr 2026 | 1 articles | Viewed by 2803 | Submission Open

Keywords: advanced biomaterials; hydrogel design; hydrogel functionalization; hydrogel characterization; tissue regeneration; tissue substitution; in vitro models; regenerative medicine

(This special issue belongs to the Section Gel Applications)

Advances in the Design and Application of Gels in Heritage Conservation

edited by

Chiara Biribicchi

Gabriele Favero

and

Alessandro Ciccola

submission deadline 30 Apr 2026 | 2 articles | Viewed by 2418 | Submission Open

Keywords: cultural heritage conservation; nanomaterials; advanced materials; green chemistry; hydrogels; organogels; soft matter; cleaning; physical gels; chemical gels; gel characterization

(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 30 Apr 2026 | 2 articles | Viewed by 2227 | 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)

Gels for Skin Treatment and Wound Healing

edited by Anca Daniela Raiciu

submission deadline 30 Apr 2026 | 1 articles | Viewed by 1773 | 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)

Smart Hydrogel-Type Formulations: New Insights Regarding Design and Biomedical Applications

edited by

Elena-Alina Moacă

Ioana Viorica Olariu

and Georgeta Coneac

submission deadline 30 Apr 2026 | 1 articles | Viewed by 1750 | Submission Open

Keywords: hydrogels; gelling formulations; stimuli-responsive hydrogels; magnetic hydrogels; light-cured hydrogels; metallic hydrogels; manufacturing process (design); physicochemical features; mechanical properties; biological activity; cancer therapy; drug delivery platforms; drug integration; materials encapsulation; drug release kinetics

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

3D Printing of Gel-Based Materials (2nd Edition)

edited by

Aitor Tejo-Otero

and

Hangyu Zhang

submission deadline 30 Apr 2026 | 1 articles | Viewed by 1406 | Submission Open

Keywords: polymers; 3D printing; hydrogels; bioengineering; bioprinting

(This special issue belongs to the Section Gel Applications)

Gel-Related Materials: Challenges and Opportunities (2nd Edition)

edited by

Pilar Prieto

and

Iván Torres Moya

submission deadline 30 Apr 2026 | 2 articles | Viewed by 1173 | 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 Applications)

Food Gels: Fabrication, Characterization, and Application (2nd Edition)

edited by

Hao Cheng

and

Wanwen Chen

submission deadline 30 Apr 2026 | 2 articles | Viewed by 744 | Submission Open

Keywords: food gel; proteins; polysaccharides; lipids; formulation and structure design; structure– property relationship; gel-based foods

(This special issue belongs to the Section Gel Applications)

State-of-the-Art Gel Research in Romania

edited by

Gabriela Ionita

submission deadline 30 Apr 2026 | 1 articles | Viewed by 634 | Submission Open

Keywords: gels; hydrogels; organogels; supramolecular gels; macromolecular gels; gel-based materials; aerogels; metallogels; gel composites; functional gels; gel applications

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

Synthesis of Novel Antimicrobial Gels

edited by Kun Lei,

Xin Zhao

and

Jianxun Ding

submission deadline 30 Apr 2026 | 1 articles | Viewed by 496 | Submission Open

Keywords: hydrogels; aerogels ; cryogels; organogels; ionic gels; eutectogels; metal nanoparticles; metallic oxide nanoparticles; antibiotics; biological extracts; synthetic antibacterial drugs; antibacterial polymers; antibacterial peptides; amphoteric ions; photothermal materials; nano-enzymes; covalent organic frameworks

(This special issue belongs to the Section Gel Applications)

Plant-Based Gels for Food Applications

edited by

Miguel A. Cerqueira

Artur J. Martins

and

Kunal Pal

submission deadline 30 Apr 2026 | Viewed by 281 | Submission Open

Keywords: alternative proteins; hydrogels; oleogels; bigels; food structure

(This special issue belongs to the Section Gel Applications)

Advanced Responsive Hydrogels and Their Applications in Biomedicine and Energy Science

edited by

Qingfei Zheng

submission deadline 30 Apr 2026 | Viewed by 267 | Submission Open

Keywords: stimuli-responsive; hybrid hydrogels; smart gel materials; biocompatible; biomaterials; energy science

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

Advances in Xerogels: From Design to Applications (3rd Edition)

edited by

Francesco Caridi

Andrea Fiorati

and

Giuseppe Paladini

submission deadline 30 Apr 2026 | Viewed by 253 | Submission Open

Keywords: xerogels synthesis; xerogels fundamentals; xerogels properties; xerogels applications; physical-chemical features of xerogels; xerogels structural-property correlations; xerogels dynamical-property correlations

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

Design of Hydrogels and Hydrogel-Derived Materials: Focus on Wastewater, Agriculture, and Biomedicine

edited by

Daniel A. Palacio

, Víctor Campos-Requena and Manuel Francisco Melendrez Castro

submission deadline 30 Apr 2026 | Viewed by 135 | Submission Open

Keywords: superabsorbents; hydrogels; controlled-release hydrogels in agriculture; controlled-release hydrogels in biomedicine; hydrogels for contaminant removal; hybrid and nanocomposite hydrogels for contaminant degradation; hydrogel design and characterization; application of hydrogels for environmental sustainability; agriculture and biomedicine; nanocomposite hydrogels; hybrid hydrogels; bio-based hydrogels; hydrogels for wound healing; hydrogels as scaffolds for biomedicine; hydrogel-like materials in cell growth applications

(This special issue belongs to the Section Gel Applications)

Gels for Water Treatment (2nd Edition)

edited by

Andrei Sarbu

Anamaria Zaharia

and

Anita-Laura Chiriac

submission deadline 10 May 2026 | Viewed by 84 | 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 and Application of Polymer Gels for Subsurface Energy and Storage

edited by

Baojun Bai

and Jingyang Pu

submission deadline 15 May 2026 | 4 articles | Viewed by 6139 | Submission Open

Keywords: in-situ polymer gels and preformed particle gels for sweep efficiency improvement and/or water management; microgels and nanogels for improved oil recovery; polymer gels for hydraulic fracturing fluids; gels for temporary plugging in acid stimulation; hydraulic fracturing; unconventional EOR; or EGR; gels for geothermal recovery efficiency enhancement; gels for CO2 storage efficiency improvement and leakage control

(This special issue belongs to the Section Gel Applications)

Hydrogels in Biomedicine: Drug Delivery and Tissue Engineering

edited by

Alexandra Rotaru Zavaleanu

and

Bogdan Catalin

submission deadline 15 May 2026 | Viewed by 115 | Submission Open

Keywords: hydrogel; drug delivery; tissue engineering; regenerative medicine; peripheral nerve regeneration; biomaterials

(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 20 May 2026 | 3 articles | Viewed by 21885 | 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 Formation Processes and Materials for Functional Thin Films

edited by Denitsa K. Elenkova,

Katerina Lazarova

and

Joana Zaharieva

submission deadline 20 May 2026 | 6 articles | Viewed by 4898 | 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 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 20 May 2026 | 1 articles | Viewed by 2095 | 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)

Recent Advances in Gel-Based Materials for Wound Healing

edited by He Liu

submission deadline 20 May 2026 | Viewed by 99 | Submission Open

Keywords: wound healing; gels; antibacterial; stimulus response; drug delivery

(This special issue belongs to the Section Gel Applications)

Design and Development of Gelatin-Based Materials (2nd Edition)

edited by Bing Zhang

submission deadline 20 May 2026 | Viewed by 79 | 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)

Advances in Functional Gel (3rd Edition)

edited by

Maria Rosaria Plutino

Silvia Sfameni

and

Giulia Rando

submission deadline 30 May 2026 | 3 articles | Viewed by 2468 | Submission Open

Keywords: smart gel systems; nanohybrid gels; nanocomposite gels; innovative advanced gels; bio-based gel materials; sol– gel technique; functional gel coatings

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

Oleogels, Bigels, and Emulgels: Fabrication, Application and Research Trends (2nd Edition)

edited by

Cristina Ghinea

and

Ana Leahu

submission deadline 30 May 2026 | 1 articles | Viewed by 1305 | Submission Open

Keywords: oleogels; bigels; emulgels; food; oleogelators; textural properties; rheological attributes; sensory evaluation

(This special issue belongs to the Section Gel Applications)

Recent Developments in Food Gels (3rd Edition)

edited by

Baskaran Stephen Inbaraj

submission deadline 30 May 2026 | Viewed by 68 | Submission Open

Keywords: hydrogels (macrogels)/microgels/nanogels; oleogels/aerogels/lipogels/emulgels; multicomponent/mixed gels; food gel networks; natural biopolymers; stimuli-responsive food gels; herbal gels; self-assembled gels; food product development; food fortification; GIT uptake and release; natural product encapsulation and delivery

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

Gels for Oil and Gas Industry Applications (3rd Edition)

edited by

Qing You

Guang Zhao

and

Xindi Sun

submission deadline 31 May 2026 | 11 articles | Viewed by 13107 | Submission Open

Keywords: the development of novel gels; the conformance control of gels; the fracturing of gels; the chemical EOR of gels; the field application of gels

(This special issue belongs to the Section Gel Applications)

Novel Polymer-Based Smart Hydrogels: Design, Properties and Applications

edited by Ning Ma,

Fang-Chang Tsai

and Xue-Qing Zhan

submission deadline 31 May 2026 | 3 articles | Viewed by 4668 | Submission Open

Keywords: hydrogel; structural design; mechanical sensor; temperature sensor; biosensor; intelligent driver; intelligent building materials; smart biomedical materials

(This special issue belongs to the Section Gel Applications)

Recent Advances in Aerogels (2nd Edition)

edited by

Uroš Maver

and

Gabrijela Horvat

submission deadline 31 May 2026 | 2 articles | Viewed by 4044 | Submission Open

Keywords: aerogels; characterization methods; aerogel application; nanomaterials; porosity

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

Gels in Food Systems: Ingredients for Health, Sustainability and Industrial Innovation

edited by

Francesca Vurro

and

Antonella Pasqualone

submission deadline 31 May 2026 | 3 articles | Viewed by 3537 | Submission Open

Keywords: food innovation; food development; plant-based products; fat replacer; gluten-free

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

Physical and Mechanical Properties of Polymer Gels (3rd Edition)

edited by

Yi Cao

and

Aref Abbasi Moud

submission deadline 31 May 2026 | 3 articles | Viewed by 3229 | Submission Open

Keywords: soft matter; rheology; gels; bigels

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

Application of Hydrogels in Adsorption of Pollutants in Water and Wastewater Treatment

edited by

Sujata Mandal

and

Sangchul S. Hwang

submission deadline 31 May 2026 | 2 articles | Viewed by 2958 | Submission Open

Keywords: water and wastewater treatment; effective adsorption; pollutant removal; nanomaterials; three-dimensional polymer networks; heavy metals; organic dyes; and pharmaceuticals; specific contaminants

(This special issue belongs to the Section Gel Applications)

Preparation and Characteristics of Aerogel-Based Materials (2nd Edition)

edited by

Sheng Cui

and

Xiaodong Wu

submission deadline 31 May 2026 | 3 articles | Viewed by 2723 | Submission Open

Keywords: aerogels; electrocatalysis; photocatalysis; thermal insulation; density functional theory

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

Research on the Applications of Conductive Hydrogels

edited by

Ssu-Ju Li

, Ching-Wen Chang and

Xin Zhao

submission deadline 31 May 2026 | 1 articles | Viewed by 2474 | 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)

Advanced Functional Hydrogels for Wearable Medical Devices

edited by Xuefeng Hu and

Jinmo Jeong

submission deadline 31 May 2026 | 1 articles | Viewed by 2321 | 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)

Gels: Diversity of Structures and Applications in Food Science

edited by Dan Xiong and Qingling Wang

submission deadline 31 May 2026 | 2 articles | Viewed by 1613 | 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)

Gel Biomaterials for Cancer Therapy and Biomedical Applications

edited by Natalie K. Livingston and Kimberly M. Stroka

submission deadline 31 May 2026 | 1 articles | Viewed by 831 | 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)

Synthesis and Emerging Applications of Novel Aerogel Materials

edited by

Sijia Liu

and Tengyao Jiang

submission deadline 31 May 2026 | 1 articles | Viewed by 360 | Submission Open

Keywords: aerogels; novel structure; advanced synthesis method; emerging applications

(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 May 2026 | Viewed by 277 | 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)

Recent Advances in Gel Polymer Electrolytes

edited by

Katarzyna Szcześniak

Agnieszka Marcinkowska

and

Piotr Gajewski

submission deadline 31 May 2026 | Viewed by 177 | 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)

Novel Hydrogels for Drug Delivery and Regenerative Medicine

edited by Chuanbin Wu,

Wenhao Wang

and

Jintao Fu

submission deadline 31 May 2026 | Viewed by 118 | Submission Open

Keywords: hydrogels; drug delivery systems; regenerative medicine; therapeutics; controlled release

(This special issue belongs to the Section Gel Applications)

Bioadaptive and Self-Evolving Gel Systems for Next-Generation Biomedical Applications

edited by

Jeevithan Elango

and

Wenhui Wu

submission deadline 31 May 2026 | Viewed by 103 | Submission Open

Keywords: self-evolving hydrogels; gel-based biosensors; biohybrid gels; tissue scaffolding and regeneration; regenerative gels; programmable gel systems; drug delivery; biodegradable gel systems; nanocomposite gels; smart stimuli-responsive hydrogels

(This special issue belongs to the Section Gel Applications)

Recent Progress in Food Gels: From Fundamentals to Applications

edited by

Sara Nunes Silva

and Qin Hou

submission deadline 31 May 2026 | Viewed by 96 | Submission Open

Keywords: food gel structures; biopolymer gels; gel microstructure– rheology; functional food application; fat replacement and texture design; sustainable gel-based foods

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

Polymer-Based Smart Gel Electrolytes for Energy Storage

edited by Yun Tan and

Yi-Zhou Zhang

submission deadline 31 May 2026 | Viewed by 92 | 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)

Research Progress and Application Prospects of Gel Electrolytes (2nd Edition)

edited by

Andrea Zille

and

Ana Isabel Ribeiro

submission deadline 31 May 2026 | Viewed by 89 | 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)

Hydrogels for Flexible Electronics and Biomedical Engineering

edited by Sen Lin

submission deadline 31 May 2026 | Viewed by 71 | Submission Open

Keywords: hydrogel; flexible electronics; human– machine interface; biomedical engineering

(This special issue belongs to the Section Gel Applications)

Gels in Tissue Engineering

edited by Hun-Jin Jeong, Md Sarker and

Solaiman Tarafder

submission deadline 31 May 2026 | Viewed by 48 | Submission Open

Keywords: hydrogel; biomaterials; 3D bioprinting; targeted biomolecular delivery systems; tissue engineering; regenerative medicine

(This special issue belongs to the Section Gel Applications)

Gels: Forming Behaviors, Mechanisms, and Food Applications

edited by Xu Lu and

Zebin Guo

submission deadline 1 Jun 2026 | Viewed by 172 | Submission Open

Keywords: food gels; mechanism; texture design; delivery systems; salt reduction strategies; food for the elderly; clean labels; bioavailability; 3D printing; sensory intelligence

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

Hydrogel for Tissue Regeneration (2nd Edition)

edited by Dongrim Seol

submission deadline 10 Jun 2026 | 5 articles | Viewed by 17305 | 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)

Displaying special issue 151-200 on page 4 of 6.

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