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Fragmenting Bulk Hydrogels and Processing into Granular Hydrogels for Biomedical Applications
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Multi-Layered Hydrogels for Biomedical Applications.

Guiting Liu1, Zhangfan Ding2, Qijuan Yuan1

  • 1Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, China.

Frontiers in Chemistry
|October 16, 2018
PubMed
Summary
This summary is machine-generated.

This review covers multi-layered hydrogels for biomedical uses, detailing preparation methods like layer-by-layer assembly and 3D printing. Future applications in tissue engineering and drug delivery are highlighted.

Keywords:
biomedical applicationlayer-by-layer self-assemblymulti-layered hydrogelphoto-polymerizationsequential electrospinningstep-wise

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Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Drug Delivery

Background:

  • Multi-layered hydrogels are crucial for advanced biomedical applications due to their organized functional layers.
  • Their development is essential for creating sophisticated medical devices and therapies.

Purpose of the Study:

  • To review recent advancements in multi-layered hydrogel preparation techniques.
  • To discuss the morphology and biomedical applications of these hydrogels.
  • To identify challenges and future directions, including the potential of 3D printing.

Main Methods:

  • Layer-by-layer self-assembly technology
  • Step-wise technique
  • Photo-polymerization technique
  • Sequential electrospinning technique

Main Results:

  • Summarized four key preparation methods for multi-layered hydrogels.
  • Detailed the morphology and diverse biomedical applications.
  • Identified current challenges in hydrogel development.

Conclusions:

  • Multi-layered hydrogels offer significant potential in various biomedical fields.
  • 3D printing presents a promising new platform for designing and applying these advanced materials.
  • Further research is needed to overcome existing challenges and fully realize their therapeutic capabilities.