Multistimuli-responsive conductive hydrogels have been appealing candidates for multifunctional ionic skin. However, the fabrication of the multistimuli-responsive conductive hydrogels with satisfactory mechanical property to meet the practical applications is still a great challenge. In this study, a novel poly(N-isopropylacrylamide-co-sodium acrylate)/alginate/ hectorite clay Laponite XLS (PNIPAM-SA/ALG/XLS) double cross-linked hydrogel with excellent mechanical property, self-recovery ability, temperature/pH-responsive ability, and strain/temperature-sensitive conductivity was fabricated. The PNSAX hydrogel possessed a moderate tensile strength of 290 kPa at a large elongation rate of 1120% and an excellent compression strength of 2.72 MPa at 90%. The hydrogel also possessed excellent mechanical repeatability and self-recovery ability. Thus, the hydrogel could withstand repetitive deformations for long time periods. Additionally, the hydrogel could change its transparency and volume once at a temperature of 44 degrees C and change its volume at different pHs. Thus, the visual temperature/pH-responsive ability allowed the hydrogel to qualitatively harvest environmental information. Moreover, the hydrogel possessed an excellent conductivity of 0.43 S/m, and the hydrogel could transform large/subtle deformation and temperature information into electrical signal change. Thus, the ultrafast strain/temperature-sensitive conductivity allowed the hydrogel to quantitatively detect large/small-scale human motions as well as environmental temperature. A cytotoxicity test confirmed the good cytocompatibility. Taken together, the hydrogel was suitable for human motion detecting and environmental information harvesting for long time periods. Therefore, the hydrogel has a great application potential as a multifunctional ionic skin and smart sensor.
机构:
Xi An Jiao Tong Univ, Frontier Inst Sci & Technol, Xian 710049, Shaanxi, Peoples R China
Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R ChinaXi An Jiao Tong Univ, Frontier Inst Sci & Technol, Xian 710049, Shaanxi, Peoples R China
Deng, Zexing
Guo, Yi
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机构:
Xi An Jiao Tong Univ, Frontier Inst Sci & Technol, Xian 710049, Shaanxi, Peoples R China
Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R ChinaXi An Jiao Tong Univ, Frontier Inst Sci & Technol, Xian 710049, Shaanxi, Peoples R China
Guo, Yi
Zhao, Xin
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机构:
Xi An Jiao Tong Univ, Frontier Inst Sci & Technol, Xian 710049, Shaanxi, Peoples R China
Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R ChinaXi An Jiao Tong Univ, Frontier Inst Sci & Technol, Xian 710049, Shaanxi, Peoples R China
Zhao, Xin
Ma, Peter X.
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机构:
Univ Michigan, Dept Biomed Engn, Ann Arbor, MI 48109 USA
Univ Michigan, Dept Biol & Mat Sci, Ann Arbor, MI 48109 USA
Univ Michigan, Macromol Sci & Engn Ctr, Ann Arbor, MI 48109 USA
Univ Michigan, Dept Mat Sci & Engn, Ann Arbor, MI 48109 USAXi An Jiao Tong Univ, Frontier Inst Sci & Technol, Xian 710049, Shaanxi, Peoples R China
Ma, Peter X.
Guo, Baolin
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机构:
Xi An Jiao Tong Univ, Frontier Inst Sci & Technol, Xian 710049, Shaanxi, Peoples R China
Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R ChinaXi An Jiao Tong Univ, Frontier Inst Sci & Technol, Xian 710049, Shaanxi, Peoples R China
机构:
MIT, Dept Chem Engn, Cambridge, MA 02139 USA
Harvard Univ, Wyss Inst Biol Inspired Engn, Boston, MA 02115 USA
Harvard Univ, Sch Med, Brigham & Womens Hosp, Ctr Biomed Engn,Dept Med, Cambridge, MA 02139 USA
MIT, Harvard Mit Div Hlth Sci & Technol, Cambridge, MA 02139 USA
MIT, David H Koch Inst Integrat Canc Res, Cambridge, MA 02139 USAMIT, Dept Chem Engn, Cambridge, MA 02139 USA
Gaharwar, Akhilesh K.
Avery, Reginald K.
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Harvard Univ, Sch Med, Brigham & Womens Hosp, Ctr Biomed Engn,Dept Med, Cambridge, MA 02139 USA
MIT, Dept Biol Engn, Cambridge, MA 02139 USAMIT, Dept Chem Engn, Cambridge, MA 02139 USA
Avery, Reginald K.
Assmann, Alexander
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h-index: 0
机构:
Harvard Univ, Wyss Inst Biol Inspired Engn, Boston, MA 02115 USA
Harvard Univ, Sch Med, Brigham & Womens Hosp, Ctr Biomed Engn,Dept Med, Cambridge, MA 02139 USA
MIT, Harvard Mit Div Hlth Sci & Technol, Cambridge, MA 02139 USA
Univ Dusseldorf, Fac Med, Dept Cardiovasc Surg, D-40225 Dusseldorf, GermanyMIT, Dept Chem Engn, Cambridge, MA 02139 USA
Assmann, Alexander
Paul, Arghya
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h-index: 0
机构:
Harvard Univ, Wyss Inst Biol Inspired Engn, Boston, MA 02115 USA
Harvard Univ, Sch Med, Brigham & Womens Hosp, Ctr Biomed Engn,Dept Med, Cambridge, MA 02139 USA
MIT, Harvard Mit Div Hlth Sci & Technol, Cambridge, MA 02139 USAMIT, Dept Chem Engn, Cambridge, MA 02139 USA
Paul, Arghya
McKinley, Gareth H.
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MIT, Dept Mech Engn, Cambridge, MA 02139 USAMIT, Dept Chem Engn, Cambridge, MA 02139 USA
McKinley, Gareth H.
Khademhosseini, Ali
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h-index: 0
机构:
Harvard Univ, Wyss Inst Biol Inspired Engn, Boston, MA 02115 USA
Harvard Univ, Sch Med, Brigham & Womens Hosp, Ctr Biomed Engn,Dept Med, Cambridge, MA 02139 USA
MIT, Harvard Mit Div Hlth Sci & Technol, Cambridge, MA 02139 USAMIT, Dept Chem Engn, Cambridge, MA 02139 USA
Khademhosseini, Ali
Olsen, Bradley D.
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h-index: 0
机构:
MIT, Dept Chem Engn, Cambridge, MA 02139 USAMIT, Dept Chem Engn, Cambridge, MA 02139 USA
机构:
Xi An Jiao Tong Univ, Frontier Inst Sci & Technol, Xian 710049, Shaanxi, Peoples R China
Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R ChinaXi An Jiao Tong Univ, Frontier Inst Sci & Technol, Xian 710049, Shaanxi, Peoples R China
Deng, Zexing
Guo, Yi
论文数: 0引用数: 0
h-index: 0
机构:
Xi An Jiao Tong Univ, Frontier Inst Sci & Technol, Xian 710049, Shaanxi, Peoples R China
Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R ChinaXi An Jiao Tong Univ, Frontier Inst Sci & Technol, Xian 710049, Shaanxi, Peoples R China
Guo, Yi
Zhao, Xin
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机构:
Xi An Jiao Tong Univ, Frontier Inst Sci & Technol, Xian 710049, Shaanxi, Peoples R China
Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R ChinaXi An Jiao Tong Univ, Frontier Inst Sci & Technol, Xian 710049, Shaanxi, Peoples R China
Zhao, Xin
Ma, Peter X.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Michigan, Dept Biomed Engn, Ann Arbor, MI 48109 USA
Univ Michigan, Dept Biol & Mat Sci, Ann Arbor, MI 48109 USA
Univ Michigan, Macromol Sci & Engn Ctr, Ann Arbor, MI 48109 USA
Univ Michigan, Dept Mat Sci & Engn, Ann Arbor, MI 48109 USAXi An Jiao Tong Univ, Frontier Inst Sci & Technol, Xian 710049, Shaanxi, Peoples R China
Ma, Peter X.
Guo, Baolin
论文数: 0引用数: 0
h-index: 0
机构:
Xi An Jiao Tong Univ, Frontier Inst Sci & Technol, Xian 710049, Shaanxi, Peoples R China
Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R ChinaXi An Jiao Tong Univ, Frontier Inst Sci & Technol, Xian 710049, Shaanxi, Peoples R China
机构:
MIT, Dept Chem Engn, Cambridge, MA 02139 USA
Harvard Univ, Wyss Inst Biol Inspired Engn, Boston, MA 02115 USA
Harvard Univ, Sch Med, Brigham & Womens Hosp, Ctr Biomed Engn,Dept Med, Cambridge, MA 02139 USA
MIT, Harvard Mit Div Hlth Sci & Technol, Cambridge, MA 02139 USA
MIT, David H Koch Inst Integrat Canc Res, Cambridge, MA 02139 USAMIT, Dept Chem Engn, Cambridge, MA 02139 USA
Gaharwar, Akhilesh K.
Avery, Reginald K.
论文数: 0引用数: 0
h-index: 0
机构:
Harvard Univ, Sch Med, Brigham & Womens Hosp, Ctr Biomed Engn,Dept Med, Cambridge, MA 02139 USA
MIT, Dept Biol Engn, Cambridge, MA 02139 USAMIT, Dept Chem Engn, Cambridge, MA 02139 USA
Avery, Reginald K.
Assmann, Alexander
论文数: 0引用数: 0
h-index: 0
机构:
Harvard Univ, Wyss Inst Biol Inspired Engn, Boston, MA 02115 USA
Harvard Univ, Sch Med, Brigham & Womens Hosp, Ctr Biomed Engn,Dept Med, Cambridge, MA 02139 USA
MIT, Harvard Mit Div Hlth Sci & Technol, Cambridge, MA 02139 USA
Univ Dusseldorf, Fac Med, Dept Cardiovasc Surg, D-40225 Dusseldorf, GermanyMIT, Dept Chem Engn, Cambridge, MA 02139 USA
Assmann, Alexander
Paul, Arghya
论文数: 0引用数: 0
h-index: 0
机构:
Harvard Univ, Wyss Inst Biol Inspired Engn, Boston, MA 02115 USA
Harvard Univ, Sch Med, Brigham & Womens Hosp, Ctr Biomed Engn,Dept Med, Cambridge, MA 02139 USA
MIT, Harvard Mit Div Hlth Sci & Technol, Cambridge, MA 02139 USAMIT, Dept Chem Engn, Cambridge, MA 02139 USA
Paul, Arghya
McKinley, Gareth H.
论文数: 0引用数: 0
h-index: 0
机构:
MIT, Dept Mech Engn, Cambridge, MA 02139 USAMIT, Dept Chem Engn, Cambridge, MA 02139 USA
McKinley, Gareth H.
Khademhosseini, Ali
论文数: 0引用数: 0
h-index: 0
机构:
Harvard Univ, Wyss Inst Biol Inspired Engn, Boston, MA 02115 USA
Harvard Univ, Sch Med, Brigham & Womens Hosp, Ctr Biomed Engn,Dept Med, Cambridge, MA 02139 USA
MIT, Harvard Mit Div Hlth Sci & Technol, Cambridge, MA 02139 USAMIT, Dept Chem Engn, Cambridge, MA 02139 USA
Khademhosseini, Ali
Olsen, Bradley D.
论文数: 0引用数: 0
h-index: 0
机构:
MIT, Dept Chem Engn, Cambridge, MA 02139 USAMIT, Dept Chem Engn, Cambridge, MA 02139 USA