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Chitosan-based scaffolds for bone tissue engineering

Sheeny K. Lan Levengood, +1 more
- 07 May 2014 - 
- Vol. 2, Iss: 21, pp 3161-3184
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TLDR
This review discusses the fundamentals of bone tissue engineering and the unique properties of chitosan as a scaffolding material to treat bone defects for hard tissue regeneration, and discusses the influence of material preparation and addition of polymeric or ceramic components or biomolecules on chitOSan scaffold properties such as mechanical strength, structural integrity, and functional bone regeneration.
Abstract
Bone defects requiring grafts to promote healing are frequently occurring and costly problems in health care. Chitosan, a biodegradable, naturally occurring polymer, has drawn considerable attention in recent years as a scaffolding material in tissue engineering and regenerative medicine. Chitosan is especially attractive as a bone scaffold material because it supports the attachment and proliferation of osteoblast cells as well as formation of mineralized bone matrix. In this review, we discuss the fundamentals of bone tissue engineering and the unique properties of chitosan as a scaffolding material to treat bone defects for hard tissue regeneration. We present common methods for fabrication and characterization of chitosan scaffolds, and discuss the influence of material preparation and addition of polymeric or ceramic components or biomolecules on chitosan scaffold properties such as mechanical strength, structural integrity, and functional bone regeneration. Finally, we highlight recent advances in the development of chitosan-based scaffolds with enhanced bone regeneration capability.

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Citations
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3D bioactive composite scaffolds for bone tissue engineering.

TL;DR: This review will consider the ideal properties of bioactive composite 3D scaffolds and examine recent use of polymers, hydrogels, metals, ceramics and bio-glasses in BTE.
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Current development of biodegradable polymeric materials for biomedical applications

TL;DR: This review outlines the current development of biodegradable natural and synthetic polymeric materials for various biomedical applications, including tissue engineering, temporary implants, wound healing, and drug delivery.
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Chitosan as biomaterial in drug delivery and tissue engineering.

TL;DR: The present article has tried to review the latest research on chitosan based tissue engineering constructs, drug delivery vehicles as well as dental care products to pave a way for future applications in the field of biomedical innovation and regenerative medicine.

Chitin and Chitosan: Production and Application of Versatile Biomedical Nanomaterials.

TL;DR: The purpose of this review is to survey the biosynthesis and isolation, and summarize nanotechnology applications of chitin and chitosan ranging from tissue engineering, wound dressings, antimicrobial agents, antiaging cosmetics, and vaccine adjuvants.

A Novel Fabrication Method of Macroporous Biodegradable Polymer Scaffolds Using Gas Foaming Salt as Porogen Additive

Tae Gwan Park
TL;DR: The novelty of this new method is that the PLLA paste containing ammonium bicarbonate salt particles can be easily handled and molded into any shape, allowing for fabricating a wide range of temporal tissue scaffolds requiring a specific shape and geometry.
References
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Chitosan-based hydrogels for controlled, localized drug delivery

TL;DR: The newest developments in chitosan hydrogel preparation are investigated and the design parameters in the development of physically and chemically cross-linked hydrogels are defined.
Journal ArticleDOI

Structure and interactions in covalently and ionically crosslinked chitosan hydrogels for biomedical applications

TL;DR: This review presents a critical analysis of covalently and ionically crosslinked chitosan hydrogels and related networks for medical or pharmaceutical applications and discusses with reference to the specific chemical interactions, which dictate gel formation.
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