Surface Coating, Functionalization, and Characterization of Cell- and Tissue-Based Biomaterials

A special issue of Journal of Functional Biomaterials (ISSN 2079-4983). This special issue belongs to the section "Biomaterials for Tissue Engineering and Regenerative Medicine".

Deadline for manuscript submissions: closed (10 May 2026) | Viewed by 1344

Special Issue Editor


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Guest Editor
Department of Molecular and Cellular Biology, The Scripps Research Institute, La Jolla, CA 92037, USA
Interests: tissue engineering; regenerative medicine; human cell- and tissue-based products; exosomes; gene therapy; growth factor conjugation; decellularization; cross-linking; hydrogels
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Special Issue Information

Dear Colleagues,

The advancement of biomaterials designed to interact seamlessly with cells and tissues remains a cornerstone of progress in regenerative medicine, tissue engineering, and biomedical devices. Among the key factors influencing the performance of these materials are their surface properties, which significantly impact biological responses, including protein adsorption, cell adhesion, proliferation, differentiation, and immune compatibility.

Surface coating and functionalization—techniques that modify the outermost layer of biomaterials—have emerged as powerful strategies to precisely control cell–material interactions. These approaches allow researchers to fine-tune the biological, chemical, and physical characteristics of biomaterials without altering their bulk properties, thereby enhancing their integration and functionality within complex biological systems.

This Special Issue aims to highlight state-of-the-art research and comprehensive reviews on the design, modification, and advanced characterization of biomaterial surfaces intended for cell and tissue applications. We particularly welcome studies that explore innovative strategies to enhance bioactivity, biocompatibility, and targeted cellular responses, as well as novel analytical methods that elucidate surface–cell interactions at the molecular and nanoscale levels.

Topics of interest include, but are not limited to:

  • Surface coating and/or functionalization strategies to enhance cell adhesion, proliferation, and differentiation.
  • Bioactive, bioinspired, and smart coatings for tissue regeneration.
  • Functional coatings incorporating growth factors, peptides, or signaling molecules.
  • Smart coatings are engineered to respond dynamically to specific biological or environmental cues due to their ability to provide controlled drug delivery, real-time responsiveness, and adaptive interactions with cells and tissues.
  • Surface modifications using natural or synthetic polymers for improved biocompatibility.
  • Nano- and micro-patterned surfaces for guiding cellular behavior.
  • Advanced characterization techniques for analyzing surface chemistry, topography, wettability, and mechanical properties.
  • In vitro and in vivo responses of cells and tissues to surface-modified biomaterials.
  • Degradation behavior and long-term stability of functionalized or smart biomaterials.

We invite contributions from researchers across materials science, bioengineering, biomedical sciences, and related disciplines who are developing innovative approaches to advance the next generation of cell- and tissue-interfacing biomaterials.

We look forward to your valuable submissions.

You may choose our Joint Special Issue in Coatings.

Dr. Jason K. Lee
Guest Editor

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Journal of Functional Biomaterials is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • biomaterial surface modification
  • cell–material interactions
  • functional coatings
  • smart coatings
  • tissue engineering
  • biointerface characterization

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Published Papers (1 paper)

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Research

25 pages, 9804 KB  
Article
LXW7 Peptide Modification of Acellular Liver Scaffolds Improves Endothelialization and Hemocompatibility in Bioengineered Liver
by Usha Yadav, Chandra J. Yadav, Sadia Afrin, Jun-Yeong Lee, Jihad Kamel and Kyung-Mee Park
J. Funct. Biomater. 2026, 17(3), 122; https://doi.org/10.3390/jfb17030122 - 3 Mar 2026
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Abstract
End-stage liver disease caused by advanced fibrosis and cirrhosis remains a major global burden, yet its treatment is limited by donor organ shortages. Bioengineered liver scaffolds offer a promising alternative, but their efficacy is often limited by thrombosis, insufficient vascularization, and poor graft [...] Read more.
End-stage liver disease caused by advanced fibrosis and cirrhosis remains a major global burden, yet its treatment is limited by donor organ shortages. Bioengineered liver scaffolds offer a promising alternative, but their efficacy is often limited by thrombosis, insufficient vascularization, and poor graft integration due to inadequate endothelialization. To overcome these challenges, we employed LXW7 αvβ3 integrin targeting peptide with high endothelial cell specificity and low platelet affinity to enhance re-endothelialization and hemocompatibility of decellularized liver scaffold (DLS) and thereby improve hepatic integration and function. LXW7 was covalently conjugated to the decellularized rat liver scaffold via EDC/NHS-mediated carbodiimide coupling and subsequently reseeded with human umbilical vein endothelial cells (HUVECs) and cultured in a perfusion bioreactor to promote endothelialization. LXW7 immobilization significantly improved HUVECs attachment and proliferation, achieving approximately 81% vascular coverage, while sustaining the endothelial function. Ex vivo blood perfusion showed minimal thrombus formation and markedly reduced platelet adhesion, demonstrating enhanced hemocompatibility. Following confirmation of endothelialization, scaffolds were recellularized with hepatocellular carcinoma (HepG2) cells and HUVECs. LXW7 modified scaffolds promote organized hepatocyte distribution, sustained albumin expression, and increased urea secretion. In vivo implantation of LXW7-DLS into the omentum of mice promoted robust host endothelial recruitment and enhanced neovascularization, highlighting the scaffold’s excellent biocompatibility and good integration with surrounding tissues. Moreover, in vivo implantation of LXW7 recellularized scaffolds into a thioacetamide-induced fibrotic mouse liver resulted in reduced collagen deposition and lowered serum ALT/AST levels, demonstrating hepatic regeneration and extracellular matrix remodeling. Overall, our results showed that LXW7-modified DLS promotes stable endothelialization, improves hemocompatibility, and enhances hepatic function, underscoring its translational potential for the development of vascularized transplantable liver grafts. Full article
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