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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 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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Hydrogels for the Regeneration of Joints of the Musculoskeletal System in Orthopedics

edited by

Benjamin Gantenbein

and Mohammad Jafar Abdekhodaie

submission deadline 30 Jul 2024 | 6 articles | Viewed by 14028 | 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)

Design and Optimization of Pharmaceutical Gels (2nd Edition)

edited by

Zhengwei Huang

Ying Huang

and

Xuanjuan Zhang

submission deadline 30 Jul 2024 | 2 articles | Viewed by 1618 | 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)

Gel-Based Adsorbent Materials for Environmental Remediation

edited by

Inimfon A. Udoetok

and Abdalla H. Karoyo

submission deadline 30 Jul 2024 | 1 articles | Viewed by 872 | Submission Open

Keywords: gels; environmental remediation; adsorbent; adsorption; crosslinking; smart materials; structure– function; water harvesting

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

Food Colloids：From Design to Application

edited by

Dongdong Mu

and

Xingjiang Li

submission deadline 31 Jul 2024 | 5 articles | Viewed by 13688 | Submission Open

Keywords: food colloids; protein cross linking; food emulsion; food gels; nutrient delivery; small packaging; hydrogels

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

Current Directions and Prospects of Hydrogels for Biomedical Applications

edited by

Zhiyuan Jia

Holger Schönherr

and

Nowsheen Goonoo

submission deadline 31 Jul 2024 | 6 articles | Viewed by 13411 | Submission Open

Keywords: hydrogels; stimuli-responsive materials; self-healing; nanocomposite; biomedical application

(This special issue belongs to the Section Gel Applications)

Advances in Hydrogels for Tissue Engineering

edited by

Jesús Chato-Astrain

Óscar-Darío García-García

Marwa El Soury

and Mohsen Janmaleki

submission deadline 31 Jul 2024 | 5 articles | Viewed by 7552 | Submission Open

Keywords: tissue engineering; hydrogels; regenerative medicine; polymers; 3D bioprinting; therapeutic hydrogels; self-assembly; stimuli-responsive hydrogels

(This special issue belongs to the Section Gel Applications)

Gels for Energy Generation, Conversion and Storage Applications

edited by Mobinul Islam and Madagonda M Vadiyar

submission deadline 31 Jul 2024 | 4 articles | Viewed by 6163 | Submission Open

Keywords: polymer gel electrolyte; polymer gel electrode; polymer gel binder; polymer gel membrane; photoelectrode; hybrid polymer hydrogels; gel precursor; sol– gel method; gel electrocatalyst; CO2 capture; ammonia production; NOx removal; supercapacitor

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

Synthesis and Application of Aerogel

edited by Guanglei Zhang

submission deadline 31 Jul 2024 | 4 articles | Viewed by 5768 | Submission Open

Keywords: aerogel; synthesis; property; application

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

Synthesis, Properties and Applications of Carbon Aerogel

edited by Xiang Li and Yaofeng Zhu

submission deadline 31 Jul 2024 | 2 articles | Viewed by 4677 | Submission Open

Keywords: carbon nanomaterials; advanced or industrialized fabrication; nano/microstructure; carbon aerogels; nanocomposites; theoretical and fundamental analysis; functional applications

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

Hydrogels for Therapeutic Delivery: Current Developments and Future Directions

edited by Georgia Kythreoti and

Michael Arkas

submission deadline 31 Jul 2024 | 4 articles | Viewed by 4395 | 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)

Functional Gels Applied in Cancer Therapy

edited by

Qin Fan

submission deadline 31 Jul 2024 | 2 articles | Viewed by 4182 | Submission Open

Keywords: hydrogel; drug delivery; stimuli-responsive property; antitumor; drug delivery system

(This special issue belongs to the Section Gel Applications)

Design of Supramolecular Hydrogels

edited by Dipankar Ghosh, Gareth O. Lloyd and Elina I. Sievanen

submission deadline 31 Jul 2024 | Viewed by 239 | Submission Open

Keywords: designing new supramolecular hydrogelators; prediction of gel properties; mechanism of self-assembly; hydrogel characterization; structure– property relationship; applications in diverse fields; smart hydrogels; 3D/4D printing; tissue engineering; regenerative medicine; controlled release system; biodegradable hydrogels

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

3D Printing of Gel-Based Materials

edited by

Aitor Tejo-Otero

Tal Dvir

and Assaf Shapira

submission deadline 10 Aug 2024 | 7 articles | Viewed by 25472 | Submission Open

Keywords: polymers; 3D printing; hydrogels; bioengineering

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

Gel Materials in Advanced Energy Systems

edited by

Antonia Stoyanova

submission deadline 10 Aug 2024 | 1 articles | Viewed by 719 | 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)

Advances in Gels for Biomedical Applications

edited by Sarat Kumar Swain

submission deadline 20 Aug 2024 | 2 articles | Viewed by 3559 | Submission Open

Keywords: gels; nanocomposite hydrogels; biomedical applications; drug delivery; gene therapy; tissue engineering; wound healing; biosensing; bioimaging; cancer therapy; dentistry; medicine; disease treatment

(This special issue belongs to the Section Gel Applications)

Sustainable Functional Hydrogels in Flexible Electronics, Energy and Thermoelectrics

edited by

Leire Ruiz-Rubio

and

Mario Culebras

submission deadline 20 Aug 2024 | Viewed by 141 | Submission Open

Keywords: functional hydrogels; flexible electronic; sensor and actuators; thermoelectric; energy; batteries

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

Recent Advances in Self-Assembling Gels

edited by

Bapan Pramanik

submission deadline 21 Aug 2024 | Viewed by 318 | Submission Open

Keywords: self-assembly; non-covalent interactions; covalent interactions; transient self-assembly; nanostructures; organogel; hydrogel; peptides; polymers; small molecules; applications

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

Advanced Gels for Wound Healing

edited by Ansha Zhao

submission deadline 23 Aug 2024 | 4 articles | Viewed by 6848 | Submission Open

Keywords: hydrogel dressing; wound healing; antiinfection; drug releasing; inflammation regulation; anticoagulation

(This special issue belongs to the Section Gel Applications)

Recent Advances in Biopolymer Gels

edited by

Luis Morales-Quintana

submission deadline 30 Aug 2024 | 1 articles | Viewed by 1428 | Submission Open

Keywords: synthesis and characterization of biodegradable biopolymers; approaches for biodegradable biopolymers (wastewater treatment); biodegradable biopolymeric with properties of detoxification; bioremediation; or bio-absorption; biopolymer gels in the food industry; biopolymer gels for controlled release

(This special issue belongs to the Section Gel Applications)

Hydrogels for Bone Tissue Engineering

edited by

Aaqil Rifai

and

Richard J. Williams

submission deadline 30 Aug 2024 | Viewed by 238 | Submission Open

Keywords: hydrogels; bone tissue engineering; cell encapsulation/delivery; extracellular matrix; biodegradable; biomedical applications

(This special issue belongs to the Section Gel Applications)

Application of Gel Technology in Food Industry and Environmental Engineering

edited by

Cristina Paul

and

Mihaela Ciopec

submission deadline 31 Aug 2024 | 14 articles | Viewed by 19551 | Submission Open

Keywords: natural biopolymers; gelling agents; multi-component gels; food applications; sol-gel materials for environmental; electronic; and energy applications; specific pollutant removal techniques; specific materials and system of interest; advanced materials with applications in environmental engineering

(This special issue belongs to the Section Gel Applications)

Hydrogel for Tissue Regeneration

edited by

Dongrim Seol

submission deadline 31 Aug 2024 | 9 articles | Viewed by 16481 | 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)

Hydrogels for Bone Regeneration

edited by

Jennifer Z. Paxton

submission deadline 31 Aug 2024 | 4 articles | Viewed by 10355 | Submission Open

Keywords: hydrogel; polymer gels; bone; bone regeneration; bone tissue engineering; osteoblasts; osteoclasts

(This special issue belongs to the Section Gel Applications)

Advanced Hydrogels as Cell Supportive Matrices: Potential Applications for Musculoskeletal Tissue Engineering and Regenerative Medicine

edited by

and

submission deadline 31 Aug 2024 | 5 articles | Viewed by 9505 | Submission Open

Keywords: Hydrogels; Tissue Engineering; Muscle; Bone; Cartilage

(This special issue belongs to the Section Gel Applications)

Gel Encapsulated Nanoparticles

edited by Yuanying Ni,

Yuxiao Wang

, Haiteng Tao and Hongxun Tao

submission deadline 31 Aug 2024 | 4 articles | Viewed by 6886 | Submission Open

Keywords: gel; emulsion; soft matter; encapsulation; colloid; application

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

Preparation and Characteristics of Aerogel-Based Materials

edited by

Xiaodong Wu

submission deadline 31 Aug 2024 | 6 articles | Viewed by 6825 | Submission Open

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

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

Liposomal and Ethosomal Gels: From Design to Application (2nd Edition)

edited by

Maddalena Sguizzato

and

Rita Cortesi

submission deadline 31 Aug 2024 | 2 articles | Viewed by 2649 | Submission Open

Keywords: liposomes; niosomes; ethosomes; hydrogels; topical application; vesicular gels; formulation; characterization

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

Gel-Related Papers from the 9th Asian Conference on Colloid and Interface Science 2023 (ACCIS 2023)

edited by Guanqing Sun, Huan Tan and

To Ngai

submission deadline 31 Aug 2024 | 3 articles | Viewed by 2217 | Submission Open

Keywords: basic theories of microgel and macrogel formation; amphiphilic and supramolecular assemblies; emulsion; microemulsion; foam; wetting and lubrication; gels for biomedical application; drug delivery; nanomedicine and pharmacy; polymer; polymer colloids; surfactant and gels; gels for energy materials and other technological applications

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

Recent Advances in Aerogels and Aerogel Composites

edited by

Mu Du

, Xianbo Hou and Lin Guo

submission deadline 31 Aug 2024 | 1 articles | Viewed by 1325 | Submission Open

Keywords: aerogel; aerogel composites; simulation; preparation and characterization techniques; applications

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

Hydrogel for Sustained Delivery of Therapeutic Agents (2nd Edition)

edited by

Adina Magdalena Musuc

Magdalena Mititelu

and

Mariana Chelu

submission deadline 31 Aug 2024 | 1 articles | Viewed by 581 | Submission Open

Keywords: hydrogels; drug delivery; therapeutic agents; natural biopolymers; aerogels; polymer gels 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)

Advanced Gels for Drug Delivery Systems Based on Sustainable Development Goals (SDGs) (2nd Edition)

edited by

Stefano Scialla

Pierfrancesco Morganti

and

Emanuele Mauri

submission deadline 31 Aug 2024 | Viewed by 240 | Submission Open

Keywords: vesicular gels; nanogels; emulgels; hydrogels; organogels; in situ gels; stimuli-responsive gels; gel in water; bigels

(This special issue belongs to the Section Gel Applications)

Polymeric Hydrogels for a Sustained Drug Release and Tissue Engineering

edited by Nancy M. Elbaz and

Lalitkumar K. Vora

submission deadline 31 Aug 2024 | Viewed by 238 | Submission Open

Keywords: hydrogel; nanogels; tissue engineering; wound healing; drug delivery

(This special issue belongs to the Section Gel Applications)

Development of Polymer Gels for Cancer Treatment

edited by

Silvia Scaglione

and

Massimo Vassalli

submission deadline 31 Aug 2024 | Viewed by 213 | Submission Open

Keywords: bioprinting; tumor microenvironment; hydrogels; thermosensitive gel; in situ gels; cancer; cells migration

(This special issue belongs to the Section Gel Applications)

Novel Functional Gels for Biomedical Applications

edited by Jilong Wang

submission deadline 1 Sep 2024 | 7 articles | Viewed by 9778 | Submission Open

Keywords: gels; biomimetic gels; drug delivery; inflammatory microenvironment regulation; cancer therapy

(This special issue belongs to the Section Gel Applications)

Recent Progress of Hydrogel Sensors and Biosensors

edited by

María-José Bañuls

María Isabel Lucío

and

Ángel Maquieira

submission deadline 10 Sep 2024 | 5 articles | Viewed by 7312 | Submission Open

Keywords: hydrogel; sensors; biosensors; stimuli-responsive; wearable; point of care

(This special issue belongs to the Section Gel Applications)

Advances in Synthetic and Bio-Based Aerogels: Mechanical Properties, Thermal Insulation, and Environmental Remediation

edited by

Beatriz Merillas

and

Luísa Durães

submission deadline 15 Sep 2024 | 5 articles | Viewed by 9130 | Submission Open

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

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

Synthesis and Applications of Hydrogels (2nd Edition)

edited by

Jun Huang

submission deadline 15 Sep 2024 | 5 articles | Viewed by 8088 | Submission Open

Keywords: biomaterials; sensors and actuators; adhesives; flexible electronics; 3D printing; drug delivery; network

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

Advances in Hydrogels for 3D Printing

edited by

Leonard Siebert

and

Zeynep Altintas

submission deadline 15 Sep 2024 | Viewed by 301 | Submission Open

Keywords: hydrogels; 3D printing; templates; functionalization; nanomaterials

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

Hydrogels, Oleogels and Bigels Used for Drug Delivery

edited by

Robert-Alexandru Vlad

Adriana Ciurba

Paula Antonoaea

and Aline F. Miller

submission deadline 20 Sep 2024 | 3 articles | Viewed by 1785 | 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)

Recent Advances in Smart Gels

edited by Sunita Ranote and

Marta Musioł

submission deadline 25 Sep 2024 | 2 articles | Viewed by 1207 | Submission Open

Keywords: smart gels; bio-based gels; synthetic gels; stimuli-responsive; synthetic appraoches; structure– property relationship; material characterization; technological applicability

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

Gel-Based Drug Delivery Systems for Cancer Treatment

edited by

Haoan Wu

and

Xingchun Gao

submission deadline 30 Sep 2024 | 10 articles | Viewed by 22158 | Submission Open

(This special issue belongs to the Section Gel Applications)

Advances in Xerogels: From Design to Applications (2nd Edition)

edited by

Francesco Caridi

Giuseppe Paladini

and

Andrea Fiorati

submission deadline 30 Sep 2024 | 9 articles | Viewed by 14291 | 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)

Food Gels: Structure and Properties

edited by

Hongjie Dai

submission deadline 30 Sep 2024 | 8 articles | Viewed by 13820 | Submission Open

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

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

Multifunctional Polymer Nano-, Micro- and Hydro- Gels: Synthesis, Properties and Applications

edited by Mingning Zhu, Wenkai Wang, Ruixue Liu and

Qinghua Wei

submission deadline 30 Sep 2024 | 9 articles | Viewed by 10714 | 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)

Gels for Water Treatment

edited by

Andrei Sarbu

Anita-Laura Chiriac

and

Anamaria Zaharia

submission deadline 30 Sep 2024 | 8 articles | Viewed by 9752 | Submission Open

Keywords: gels; nano-hybrid gels; water treatments; emerging contaminants; water remediations; innovative techniques

(This special issue belongs to the Section Gel Applications)

Designing Gels for Catalysts

edited by

and

submission deadline 30 Sep 2024 | 6 articles | Viewed by 9686 | Submission Open

Keywords: photocatalysis; hydrogel-based photocatalyst; gel design

(This special issue belongs to the Section Gel Applications)

Advancements in Food Gelation: Exploring Mechanisms and Applications

edited by Zhouyi Xiong,

Xiaohu Luo

, Qun Huang and

Noman Walayat

submission deadline 30 Sep 2024 | 5 articles | Viewed by 7793 | Submission Open

Keywords: food gelation; gelation mechanisms; rheological properties; innovative techniques; functional ingredients; structure-function relationships

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

Physical and Mechanical Properties of Polymer Gels (2nd Edition)

edited by

Aref Abbasi Moud

and

Yi Cao

submission deadline 30 Sep 2024 | 5 articles | Viewed by 6970 | Submission Open

Keywords: soft matter; rheology; gels; bijels

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

Innovative Biopolymer-Based Hydrogels (2nd Edition)

edited by