Amphiphilic polymeric photoinitiator composed of PEG-b-PCL diblock copolymer for three-dimensional printing of hydrogels

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Summary: The study found that using GelMA-O5/rGO hydrogel encapsulating UCMSCs could significantly improve damaged myocardial tissue and reconstruct myocardial function, which may be a promising therapeutic strategy for cardiac repair.

BIOACTIVE MATERIALS (2022)

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Article Engineering, Biomedical

3D printable Sodium alginate-Matrigel (SA-MA) hydrogel facilitated ectomesenchymal stem cells (EMSCs) neuron differentiation

Yang Li et al.

Summary: This study investigated the use of a novel hybrid Sodium alginate-Matrigel (SA-MA) hydrogel in extruded 3D printing to promote the differentiation and growth of EMSCs. The physical properties of the hydrogel were characterized and it exhibited sustained release of growth factor BDNF. The 3D printed scaffold showed high cell survival rate and enhanced neuronal differentiation efficiency compared to 2D culture, presenting a potential new biomaterial for neuronal regeneration in spinal cord injury treatment.

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General One-Pot Method for Preparing Highly Water-Soluble and Biocompatible Photoinitiators for Digital Light Processing-Based 3D Printing of Hydrogels

Hui Wang et al.

Summary: A facile method using water-soluble and biocompatible photoinitiators for high-resolution hydrogel structures in DLP-based 3D printing was reported. The printed hydrogel structures showed great potential in flexible electronic sensors due to their high water content, resolution, deformability, and stability under cyclic loadings.

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Control of Particle Size in the Self-Assembly of Amphiphilic Statistical Copolymers

Thomas J. Neal et al.

Summary: A series of amphiphilic statistical copolymers were synthesized with varying hydrophilic and hydrophobic components, which self-assembled into well-defined spherical nanoparticles in aqueous solution. The PSC model was used to describe the relationship between copolymer composition and nanoparticle size, while contrast variation small-angle neutron scattering revealed partial phase separation within the nanoparticles. This study demonstrates the potential for using such statistical copolymers to control and predict nanoparticle size in various industrial applications.

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3D printing of highly stretchable hydrogel with diverse UV curable polymers

Qi Ge et al.

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3D printed silk-gelatin hydrogel scaffold with different porous structure and cell seeding strategy for cartilage regeneration

Qingtao Li et al.

Summary: Hydrogel scaffolds with macro-pores were fabricated through 3D printing using horseradish peroxidase-mediated crosslinking of silk fibroin and tyramine-substituted gelatin. The hydrogel showed excellent structural stability, mechanical properties, and adjustable degradation rate, making it suitable for cartilage reconstruction. Furthermore, combining the hydrogel with stem cell aggregates promoted articular cartilage regeneration, showing great potential for cartilage tissue repair and regeneration.

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Poly(ester-co-glycidyl methacrylate) for digital light processing in biomedical applications

Nuttapol Risangud et al.

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Aza-BODIPY encapsulated polymeric nanoparticles as an effective nanodelivery system for photodynamic cancer treatment

Jongjit Treekoon et al.

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Amphiphilic polymeric photoinitiator composed of PEG-b-PCL diblock copolymer for three-dimensional printing of hydrogels

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