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Updated: Jun 18, 2026

Printing Thermoresponsive Reverse Molds for the Creation of Patterned Two-component Hydrogels for 3D Cell Culture
Published on: July 10, 2013
Ultrasound-responsive hydrogels for bone and cartilage tissue engineering
Huajing Yang1, Xinlin Li1, Yameng Yu1
1Department of Dental Materials, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology & NHC Key Laboratory of Digital Stomatology & NMPA Key Laboratory for Dental Materials, Beijing, 100081, China.
Ultrasound-responsive hydrogels offer non-invasive treatment for bone and cartilage defects. These smart materials enable precise drug delivery and promote tissue regeneration through advanced mechanisms.
Area of Science:
- Biomaterials Science
- Regenerative Medicine
- Medical Imaging
Background:
- Ultrasound-responsive hydrogels are emerging as advanced materials for tissue engineering.
- Their non-invasive regulation and precise drug delivery capabilities are crucial for treating bone and cartilage defects.
Purpose of the Study:
- To provide a comprehensive review of ultrasound-responsive hydrogels.
- To cover preparation strategies, advantages, applications, and therapeutic mechanisms in bone and cartilage regeneration.
Main Methods:
- Review of physical and chemical cross-linking techniques for hydrogel preparation.
- Analysis of ultrasound's thermal and non-thermal effects on hydrogel response.
- Exploration of synergistic therapies integrating hydrogels with nanotechnology and genetic engineering.
Main Results:
- Ultrasound-responsive hydrogels offer non-invasiveness, spatiotemporal control, and enhanced cell migration.
- Applications extend to bone/cartilage regeneration, infections, and tumors.
- Key signaling pathways (MAPK/ERK, BMP/Smad, HIF-1α/VEGF) are involved in therapeutic mechanisms.
Conclusions:
- Ultrasound-responsive hydrogels show significant promise for bone and cartilage tissue engineering.
- Further research is needed for versatile preparation, precise ultrasound control, and deeper mechanistic understanding.
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