Gel Bioinks

A special issue of Gels (ISSN 2310-2861). This special issue belongs to the section "Gel Chemistry and Physics".

Deadline for manuscript submissions: closed (31 July 2023) | Viewed by 4028

Special Issue Editors

School of Electrical and Automation Engineering, Nanjing Normal University, 2 Xuelin Road, Qixia District, Nanjing 210046, China
Interests: hydrogel; ink jetting; 3D printing; bio manufacturing

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Guest Editor
School of Medicine, Southeast University, Nanjing 211189, ‎China
Interests: hydrogel; 3D printing; organoid; tissue engineering

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Guest Editor
Department of Materials Science and Engineering (DMSE), Massachusetts Institute of Technology, Cambridge, MA 02139, USA
Interests: hydrogel; 3D printing; microfluidics

Special Issue Information

Dear Colleagues,

This Special Issue, ‘Gel Bioinks’, aims to present the latest research efforts towards a new era of bioink development.

Bioinks made from gel are organic materials with flexible bonds and groups and have remarkable promise in 3D printing, biological chips, scaffolds for tissue engineering, etc. The past 30 years in chemistry and materials science have seen the development of an arsenal of synthetic protocols that can produce valuable and highly accurate gel compounds in a large quantity. Synthesized gels can be produced with raw materials other than chemicals; there is a growing interest in using biological and natural resources such as plants, fungi and animals for this purpose. This Special Issue focuses on the novel applications of natural and natural–synthetic gel materials and their composites in the field of bioinks. Submissions may cover traditional subjects, such as 3D printing, functional devices, catalysts, microfluidics, bio-tissue engineering, disease diagnosis, bioelectronics, point of care, tissue imaging, flexible devices, biomedical devices, artificial tissues and cell differentiation. Papers on other relevant subjects are also encouraged. We welcome contributions detailing important applications showcasing the latest advances in the field of gel and bioinks.

Dr. Zongan Li
Dr. Jinjian Huang
Dr. Yuhao Qiang
Guest Editors

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Published Papers (1 paper)

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Research

17 pages, 2824 KiB  
Article
Influence of Cross-Linking Conditions on Drying Kinetics of Alginate Hydrogel
by Magdalena B. Łabowska, Maria Skrodzka, Hanna Sicińska, Izabela Michalak and Jerzy Detyna
Gels 2023, 9(1), 63; https://doi.org/10.3390/gels9010063 - 12 Jan 2023
Cited by 16 | Viewed by 3359
Abstract
Hydrogels are three-dimensional cross-linked polymeric networks capable of a large amount of fluid retention in their structure. Hydrogel outputs manufactured using additive manufacturing technologies are exposed to water loss, which may change their original shape and dimensions. Therefore, the possibility of retaining water [...] Read more.
Hydrogels are three-dimensional cross-linked polymeric networks capable of a large amount of fluid retention in their structure. Hydrogel outputs manufactured using additive manufacturing technologies are exposed to water loss, which may change their original shape and dimensions. Therefore, the possibility of retaining water is important in such a structure. In this manuscript, kinetic analysis of water evaporation from sodium alginate-based hydrogels exposed to different environmental conditions such as different temperatures (7 and 23 °C) and ambient humidity (45, 50 and 95%) has been carried out. The influence of the cross-linking method (different calcium chloride concentration—0.05, 0.1 and 0.5 M) of sodium alginate and cross-linking time on the water loss was also considered. Studies have shown that a decrease in the temperature and increase in the storage humidity can have a positive effect on the water retention in the structure. The storage conditions that led to the least weight and volume loss were T 7 °C and 95% humidity. These experiments may help in selecting the appropriate hydrogel preparation method for future applications, as well as their storage conditions for minimum water loss and, consequently, the least change in dimensions and shape. Full article
(This article belongs to the Special Issue Gel Bioinks)
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