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Related papers: Fabrication and Characterization of a Starch-Based…

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A contemporary procedure to grow artificial tissue is to seed cells onto a porous biomaterial scaffold and culture it within a perfusion bioreactor to facilitate the transport of nutrients to growing cells. Typical models of cell growth for…

Tissues and Organs · Quantitative Biology 2018-05-01 Andrew L. Krause , Dmitry Beliaev , Robert A. Van Gorder , Sarah L. Waters

We consider a simple one-dimensional time-dependent model for bone regeneration in the presence of a bio-resorbable polymer scaffold. Within the framework of the model, we optimize the effective mechanical stiffness of the polymer scaffold…

Tissues and Organs · Quantitative Biology 2018-09-24 Patrina S. P. Poh , Dvina Valainis , Kaushik Bhattacharya , Martijn van Griensven , Patrick Dondl

In order to increase the bone forming ability of MBG-PCL composite scaffold, microporosity was created in the struts of 3D-printed MBG-PCL scaffolds for the manufacturing of a construct with a multiscale porosity consisting of meso-, micro-…

Tissues and Organs · Quantitative Biology 2021-04-06 M. Natividad Gomez-Cerezo , Juan Pena , Saso Ivanovski , Daniel Arcos , Maria Vallet-Regi , Cedryck Vaquette

The inclusion of small amounts of copper is often reported to enhance the mechanical and biointegrative performance of bioceramics towards tissue engineering applications. In this work, 3D scaffolds were additively manufactured by…

Medical Physics · Physics 2022-05-24 Shumin Pang , Dongwei Wu , Franz Kamutzki , Jens Kurreck , Aleksander Gurlo , Dorian A. H. Hanaor

Addressing a critical challenge in current tissue-engineering practices, this study aims to enhance vascularization in 3D porous scaffolds by incorporating bioceramics laden with pro-angiogenic ions. Specifically, freeze-dried gelatin-based…

Bone repair using BMP-2 is a promising therapeutic approach in clinical practices, however, high dosages required to be effective pose issues of cost and safety. The present study explores the potential of low dose BMP-2 treatment via…

Biomolecules · Quantitative Biology 2020-11-24 Swati Dubey , Rutusmita Mishra , Partha Roy , R. P. Singh

Bone infection is a feared complication following surgery or trauma that remains as an extremely difficult disease to deal with. So far, the outcome of therapy could be improved with the design of 3D implants, which combine the merits of…

Tissues and Organs · Quantitative Biology 2021-03-15 Rafaela Garcia-Alvarez , Isabel Izquierdo-Barba , Maria Vallet-Regi

The osteogenic and angiogenic responses to metal macroporous scaffolds coated with silicon substituted hydroxyapatite (SiHA) and decorated with vascular endothelial growth factor (VEGF) have been evaluated in vitro and in vivo. Ti6Al4V-ELI…

Neural tissue engineering holds incredible potential to restore functional capabilities to damaged neural tissue. It was hypothesized that patterned and functionalized nanofiber scaffolds could control neurite direction and enhance neurite…

Tissues and Organs · Quantitative Biology 2016-01-05 Richard J. McMurtrey

Incorporating cells within active biomaterial scaffolds is a promising strategy to develop forefront materials that can autonomously sense, respond, and alter the scaffold in response to environmental cues or internal cell circuitry. Using…

Cell-free translational strategies are needed to accelerate the repair of mineralised tissues, particularly large bone defects, using minimally invasive approaches. Regenerative bone scaffolds should ideally mimic aspects of the tissue's…

Tissues and Organs · Quantitative Biology 2021-01-06 Robabeh Gharaei , Giuseppe Tronci , Parikshit Goswami , Robert P. Wynn Davies , Jennifer Kirkham , Stephen J. Russell

Neural interfaces using biocompatible scaffolds provide crucial properties for the functional repair of nerve injuries and neurodegenerative diseases, including cell adhesion, structural support, and mass transport. Neural stimulation has…

Neurons and Cognition · Quantitative Biology 2021-06-29 Nan Zheng , Vincent Fitzpatrick , Ran Cheng , Linli Shi , David L. Kaplan , Chen Yang

Scaffolds have a key role in the clinical success of tissue engineering for the regeneration of damaged tissues. Their bio-performance is often described as the extent to which they can provide an extracellular matrix-like environment for…

Biological Physics · Physics 2026-02-03 A. M. Maadani , F. Davoodian , E. Salahinejad

We present a three dimensional, time dependent model for bone regeneration in the presence of porous scaffolds to bridge critical size bone defects. Our approach uses homogenized quantities, thus drastically reducing computational cost…

Analysis of PDEs · Mathematics 2021-01-25 Patrick Dondl , Patrina S. P. Poh , Marius Zeinhofer

A fundamental challenge in soft material design is the competition between rigidity and dynamicity, as stiffening mechanisms typically suppress energy dissipation. Here, we demonstrate that starch granules serve as instructive scaffolds…

Three-dimensional Mesoporous bioactive glasses (MBGs) scaffolds has been widely considered for bone regeneration purposes and additive manufacturing enables the fabrication of highly bioactive patient-specific constructs for bone defects.…

Tissues and Organs · Quantitative Biology 2021-03-23 M. Natividad Gomez-Cerezo , Daniel Lozano , Daniel Arcos , Maria Vallet-Regi , Cedryck Vaquette

In osteochondral tissue engineering (OCTE), simultaneously regenerating subchondral bone and cartilage tissue presents a significant challenge. Multiphasic scaffolds were created and manufactured using 3D printing to address this issue.…

The article describes fabrication and properties of composite fibrous scaffolds obtained by electrospinning of the solution of poly({\epsilon}-caprolactone) and arginine in common solvent. The influence of arginine content on structure,…

A fibrous herringbone-modified helicoidal architecture is identified within the exocuticle of an impact-resistant crustacean appendage. This previously unreported composite microstructure, which features highly textured apatite mineral…

Osteoclastic resorption of bone plays a central role in both osteoporosis and bone metastasis. A reliable in vitro assay that simulates osteoclastic resorption in vivo would significantly speed up the process of devel-oping effective…

Tissues and Organs · Quantitative Biology 2021-04-13 Sijia Chen , Qiong Wang , Felipe Eltit , Yubin Guo , Michael Cox , Rizhi Wang