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Self-help support groups are voluntary, community-based organizations that provide a platform for individuals with shared concerns to exchange support, insights, and practical strategies for coping with life challenges. Typically led by group members or paraprofessionals, these groups form a cornerstone of mental health care, especially in reaching populations that are underserved by traditional healthcare systems.
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Related Experiment Video

Updated: Feb 13, 2026

3D Printed Porous Cellulose Nanocomposite Hydrogel Scaffolds
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Nanoclay-Based Self-Supporting Responsive Nanocomposite Hydrogels for Printing Applications.

Yifei Jin, Yangyang Shen, Jun Yin

    ACS Applied Materials & Interfaces
    |March 2, 2018
    PubMed
    Summary

    Researchers developed 3D printable nanocomposite hydrogels using Laponite nanoclay and graphene oxide (GO) with N-isopropylacrylamide (NIPAAm). These materials enable precise shape changes and fabrication of 3D microfluidic valves for stimuli-responsive applications.

    Keywords:
    extrusionnanoclayprintingresponsive nanocomposite hydrogelself-supporting

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    Area of Science:

    • Materials Science
    • Polymer Chemistry
    • Nanotechnology

    Background:

    • Stimuli-responsive hydrogels are crucial for advanced applications like 4D printing, but their poor 3D printability hinders complex structure fabrication.
    • Existing responsive hydrogel patterns are often limited to 2D, restricting their utility in sophisticated applications.
    • Improving the 3D printability of responsive hydrogels while maintaining their functional properties is a significant challenge.

    Purpose of the Study:

    • To enhance the 3D printability of thermoresponsive N-isopropylacrylamide (NIPAAm) hydrogels using Laponite nanoclay.
    • To incorporate graphene oxide (GO) as a nanoscale heater for near-infrared radiation response.
    • To demonstrate the fabrication of 3D printable stimuli-responsive nanocomposite hydrogels and their application in microfluidic devices.

    Main Methods:

    • Incorporation of Laponite nanoclay into N-isopropylacrylamide (NIPAAm) precursor to improve printability.
    • Addition of graphene oxide (GO) to create nanocomposite hydrogels with nanoscale heating capabilities.
    • 3D printing of nanocomposite hydrogels and characterization of their stimuli-responsive deformation and microfluidic valve functionality.

    Main Results:

    • Laponite nanoclay significantly improved the self-supporting 3D printability of NIPAAm hydrogels without compromising responsiveness.
    • The poly(N-isopropylacrylamide) (pNIPAAm)-Laponite-GO nanocomposite hydrogels exhibited predictable 2D pattern deformation and enabled direct 3D printing of microfluidic valves.
    • The printed 3D microfluidic valves effectively controlled flow direction in response to stimuli, demonstrating practical application potential.

    Conclusions:

    • Laponite nanoclay is an effective additive for enhancing the 3D printability of responsive hydrogels.
    • The developed pNIPAAm-Laponite-GO nanocomposite hydrogels offer tunable stimuli-responsive properties and excellent printability.
    • This approach provides a versatile platform for creating various 3D printable responsive nanocomposite hydrogels for diverse applications.