S. Kakizaki, J. Shintake, Y. Iwatake, K. Baba, H. Takeuchi, and A. Yamamoto, “Large, fast, and bidirectional bending of slide-ring polymer materials,” Adv. Intell. Syst. 2(4), 1900155 (2020).
[Crossref]

J. Wang, Z. Wang, Z. Song, L. Ren, Q. Liu, and L. Ren, “Biomimetic shape–color double-responsive 4D printing,”,” Adv. Mater. Technol. 4(9), 1900293 (2019).
[Crossref]

J. Hu, W. Wang, and H. Yu, “Endowing soft photo-actuators with intelligence,” Adv. Intell. Syst. 1(8), 1900050 (2019).
[Crossref]

H. Nishiyama, K. Umetsu, and K. Kimura, “Versatile direct laser writing of non-photosensitive materials using multi-photon reduction-based assembly of nanoparticles,” Sci. Rep. 9(1), 14310 (2019).
[Crossref]

M. Machida, Y. Nakajima, M. L. Torres-Mapa, D. Heinemann, A. Heisterkamp, and M. Terakawa, “Shrinkable silver diffraction grating fabricated inside a hydrogel using 522-nm femtosecond laser,” Sci. Rep. 8(1), 187 (2018).
[Crossref]

Y. Yang, Y. Tan, X. Wang, W. An, S. Xu, W. Liao, and Y. Wang, “Photothermal nanocomposite hydrogel actuator with electric-field-induced gradient and oriented structure,” ACS Appl. Mater. Interfaces 10(9), 7688–7692 (2018).
[Crossref]

S. R. Mishra and J. B. Tracy, “Sequential actuation of shape-memory polymers through wavelength-selective photothermal heating of gold nanospheres and nanorods,” ACS Appl. Nano Mater. 1(7), 3063–3067 (2018).
[Crossref]

J. Guo, R. Zhang, L. Zhang, and X. Cao, “4D printing of robust hydrogels consisted of agarose nanofibers and polyacrylamide,” ACS Macro Lett. 7(4), 442–446 (2018).
[Crossref]

A. Gumus, A. Alam, A. M. Hussain, K. Mishra, I. Wicaksono, G. A. Torres Sevilla, S. F. Shaikh, M. Diaz, S. Velling, M. T. Ghoneim, S. M. Ahmed, and M. M. Hussain, “Expandable polymer enabled wirelessly destructible high-performance solid state electronics,”,” Adv. Mater. Technol. 2(5), 1600264 (2017).
[Crossref]

X. Du, H. Cui, B. Sun, J. Wang, Q. Zhao, K. Xia, T. Wu, and M. S. Humayun, “Photothermally triggered shape-adaptable 3D flexible electronics,” Adv. Mater. Technol. 2(10), 1700120 (2017).
[Crossref]

A. Kirillova, R. Maxson, G. Stoychev, C. T. Gomillion, and L. Ionov, “4D biofabrication using shape-morphing hydrogels,” Adv. Mater. 29(46), 1703443 (2017).
[Crossref]

H. Zhang, A. Mourran, and M. Moller, “Dynamic switching of helical microgel ribbons,” Nano Lett. 17(3), 2010–2014 (2017).
[Crossref]

G. Vantomme, A. H. Gelebart, D. J. Broer, and E. W. Meijer, “A four-blade light-driven plastic mill based on hydrazone liquid-crystal networks,” Tetrahedron 73(33), 4963–4967 (2017).
[Crossref]

Y. Yang, Z. Pei, Z. Li, Y. Wei, and Y. Ji, “Making and remaking dynamic 3D structures by shining light on flat liquid crystalline vitrimer films without a mold,” J. Am. Chem. Soc. 138(7), 2118–2121 (2016).
[Crossref]

J. ter Schiphorst, S. Coleman, J. E. Stumpel, A. Ben Azouz, D. Diamond, and A. P. H. J. Schenning, “Molecular design of light-responsive hydrogels, for in situ generation of fast and reversible valves for microfluidic applications,” Chem. Mater. 27(17), 5925–5931 (2015).
[Crossref]

X.-Q. Wu, X.-W. Wu, Q. Huang, J.-S. Shen, and H.-W. Zhang, “In situ synthesized gold nanoparticles in hydrogels for catalytic reduction of nitroaromatic compaounds,” Appl. Surf. Sci. 331, 210–218 (2015).
[Crossref]

A. Ishikawa and T. Tanaka, “Two-photon fabrication of three-dimensional metallic nanostructures for plasmonic metamaterials,” J. Laser Micro/Nanoeng. 7(1), 11–15 (2012).
[Crossref]

G. Stoychev, S. Zakharchenko, S. Turcaud, J. W. C. Dunlop, and L. Ionov, “Shape-programmed folding of stimuli-responsive polymer bilayers,” ACS Nano 6(5), 3925–3934 (2012).
[Crossref]

T. Guan, F. Godts, F. Ceyssens, E. Vanderleyden, K. Adesanya, P. Dubruel, H. P. Neves, and R. Puers, “Development and fabrication of a novel photopatternable electric responsive Pluronic hydrogel for MEMS applications,” Sens. Actuators, A 186, 184–190 (2012).
[Crossref]

W. Wu, L. Yao, T. Yang, R. Yin, F. Li, and Y. Yu, “NIR-light-induced deformation of cross-linked liquid-crystal polymers using upconversion nanophosphors,” J. Am. Chem. Soc. 133(40), 15810–15813 (2011).
[Crossref]

K. Katagiri, Y. Imai, K. Koumoto, T. Kaiden, K. Kono, and S. Aoshima, “Magnetoresponsive on-demand release of hybrid liposomes formed from Fe3O4 nanoparticles and thermosensitive block copolymers,” Small 7(12), 1683–1689 (2011).
[Crossref]

H. Xia, J. Wang, Y. Tian, Q. D. Chen, X. B. Du, Y. L. Zhang, Y. He, and H. B. Sun, “Ferrofluids for fabrication of remotely controllable micro-nanomachines by two-photon polymerization,” Adv. Mater. 22(29), 3204–3207 (2010).
[Crossref]

A. Shiotani, Y. Akiyama, T. Kawano, Y. Niidome, T. Mori, Y. Katayama, and T. Niidome, “Active accumulation of gold nanorods in tumor in response to near-infrared laser irradiation,” Bioconjugate Chem. 21(11), 2049–2054 (2010).
[Crossref]

T. Kawano, Y. Niidome, T. Mori, Y. Katayama, and T. Niidome, “PNIPAM gel-coated gold nanorods for targeted delivery responding to a near-infrared laser,” Bioconjugate Chem. 20(2), 209–212 (2009).
[Crossref]

Y. Y. Cao, N. Takeyasu, T. Tanaka, X. M. Duan, and S. Kawata, “3D metallic nanostructure fabrication by surfactant-assisted multiphoton-induced reduction,” Small 5(10), 1144–1148 (2009).
[Crossref]

M. Yamada, M. Kondo, R. Miyasato, Y. Naka, J.-I. Mamiya, M. Kinoshita, A. Shishido, Y. Yu, C. J. Barrett, and T. Ikeda, “Photomobile polymer materials—various three-dimensional movements,” J. Mater. Chem. 19(1), 60–62 (2009).
[Crossref]

M. Yamada, M. Kondo, J. Mamiya, Y. Yu, M. Kinoshita, C. J. Barrett, and T. Ikeda, “Photomobile polymer materials: towards light-driven plastic motors,” Angew. Chem., Int. Ed. 47(27), 4986–4988 (2008).
[Crossref]

A. Shiotani, T. Mori, T. Niidome, Y. Niidome, and Y. Katayama, “Stable incorporation of gold nanorods into N-Isopropylacrylamide hydrogels and their rapid shrinkage induced by near-infrared laser irradiation,” Langmuir 23(7), 4012–4018 (2007).
[Crossref]

A. Ishikawa, T. Tanaka, and S. Kawata, “Improvement in the reduction of silver ions in aqueous solution using two-photon sensitive dye,” Appl. Phys. Lett. 89(11), 113102 (2006).
[Crossref]

T. Tanaka, A. Ishikawa, and S. Kawata, “Two-photon-induced reduction of metal ions for fabricating three-dimensional electrically conductive metallic microstructure,” Appl. Phys. Lett. 88(8), 081107 (2006).
[Crossref]

M. Prabaharan and J. F. Mano, “Stimuli-responsive hydrogels based on polysaccharides incorporated with thermo-responsive polymers as novel biomaterials,” Macromol. Biosci. 6(12), 991–1008 (2006).
[Crossref]

M. Motornov, S. Minko, K.-J. Eichhorn, M. Nitschke, F. Simon, and M. Stamm, “Reversible tuning of wetting behavior of polymer surface with responsive polymer brushes,” Langmuir 19(19), 8077–8085 (2003).
[Crossref]

K. Kaneko, H.-B. Sun, X.-M. Duan, and S. Kawata, “Two-photon photoreduction of metallic nanoparticle gratings in a polymer matrix,” Appl. Phys. Lett. 83(7), 1426–1428 (2003).
[Crossref]

M. E. Harmon, T. A. M. Jakob, W. Knoll, and C. W. Frank, “A surface plasmon resonance study of volume phase transitions in N-isopropylacrylamide gel films,” Macromolecules 35(15), 5999–6004 (2002).
[Crossref]

K. Sutani, I. Kaetsu, and K. Uchida, “The synthesis and the electric-responsiveness of hydrogels entrapping natural polyelectrolyte,” Radiat. Phys. Chem. 61(1), 49–54 (2001).
[Crossref]

D. Szabo, G. Szeghy, and M. Zrinyi, “Shape transition of magnetic field sensitive polymer gels,” Macromolecules 31(19), 6541–6548 (1998).
[Crossref]

R. A. Siegel and B. A. Firestone, “pH-dependent equilibrium swelling properties of hydrophobic polyelectrolyte copolymer gels,” Macromolecules 21(11), 3254–3259 (1988).
[Crossref]

T. Guan, F. Godts, F. Ceyssens, E. Vanderleyden, K. Adesanya, P. Dubruel, H. P. Neves, and R. Puers, “Development and fabrication of a novel photopatternable electric responsive Pluronic hydrogel for MEMS applications,” Sens. Actuators, A 186, 184–190 (2012).
[Crossref]

A. Gumus, A. Alam, A. M. Hussain, K. Mishra, I. Wicaksono, G. A. Torres Sevilla, S. F. Shaikh, M. Diaz, S. Velling, M. T. Ghoneim, S. M. Ahmed, and M. M. Hussain, “Expandable polymer enabled wirelessly destructible high-performance solid state electronics,”,” Adv. Mater. Technol. 2(5), 1600264 (2017).
[Crossref]

A. Shiotani, Y. Akiyama, T. Kawano, Y. Niidome, T. Mori, Y. Katayama, and T. Niidome, “Active accumulation of gold nanorods in tumor in response to near-infrared laser irradiation,” Bioconjugate Chem. 21(11), 2049–2054 (2010).
[Crossref]

A. Gumus, A. Alam, A. M. Hussain, K. Mishra, I. Wicaksono, G. A. Torres Sevilla, S. F. Shaikh, M. Diaz, S. Velling, M. T. Ghoneim, S. M. Ahmed, and M. M. Hussain, “Expandable polymer enabled wirelessly destructible high-performance solid state electronics,”,” Adv. Mater. Technol. 2(5), 1600264 (2017).
[Crossref]

Y. Yang, Y. Tan, X. Wang, W. An, S. Xu, W. Liao, and Y. Wang, “Photothermal nanocomposite hydrogel actuator with electric-field-induced gradient and oriented structure,” ACS Appl. Mater. Interfaces 10(9), 7688–7692 (2018).
[Crossref]

K. Katagiri, Y. Imai, K. Koumoto, T. Kaiden, K. Kono, and S. Aoshima, “Magnetoresponsive on-demand release of hybrid liposomes formed from Fe3O4 nanoparticles and thermosensitive block copolymers,” Small 7(12), 1683–1689 (2011).
[Crossref]

S. Kakizaki, J. Shintake, Y. Iwatake, K. Baba, H. Takeuchi, and A. Yamamoto, “Large, fast, and bidirectional bending of slide-ring polymer materials,” Adv. Intell. Syst. 2(4), 1900155 (2020).
[Crossref]

M. Yamada, M. Kondo, R. Miyasato, Y. Naka, J.-I. Mamiya, M. Kinoshita, A. Shishido, Y. Yu, C. J. Barrett, and T. Ikeda, “Photomobile polymer materials—various three-dimensional movements,” J. Mater. Chem. 19(1), 60–62 (2009).
[Crossref]

M. Yamada, M. Kondo, J. Mamiya, Y. Yu, M. Kinoshita, C. J. Barrett, and T. Ikeda, “Photomobile polymer materials: towards light-driven plastic motors,” Angew. Chem., Int. Ed. 47(27), 4986–4988 (2008).
[Crossref]

J. ter Schiphorst, S. Coleman, J. E. Stumpel, A. Ben Azouz, D. Diamond, and A. P. H. J. Schenning, “Molecular design of light-responsive hydrogels, for in situ generation of fast and reversible valves for microfluidic applications,” Chem. Mater. 27(17), 5925–5931 (2015).
[Crossref]

C. F. Bohren and D. R. Huffman, “Absorption and Scattering of Light by Small Particles,” WILEY-VCH Verlag GmbH & Co. KGaA, 1983.

G. Vantomme, A. H. Gelebart, D. J. Broer, and E. W. Meijer, “A four-blade light-driven plastic mill based on hydrazone liquid-crystal networks,” Tetrahedron 73(33), 4963–4967 (2017).
[Crossref]

J. Guo, R. Zhang, L. Zhang, and X. Cao, “4D printing of robust hydrogels consisted of agarose nanofibers and polyacrylamide,” ACS Macro Lett. 7(4), 442–446 (2018).
[Crossref]

Y. Y. Cao, N. Takeyasu, T. Tanaka, X. M. Duan, and S. Kawata, “3D metallic nanostructure fabrication by surfactant-assisted multiphoton-induced reduction,” Small 5(10), 1144–1148 (2009).
[Crossref]

T. Guan, F. Godts, F. Ceyssens, E. Vanderleyden, K. Adesanya, P. Dubruel, H. P. Neves, and R. Puers, “Development and fabrication of a novel photopatternable electric responsive Pluronic hydrogel for MEMS applications,” Sens. Actuators, A 186, 184–190 (2012).
[Crossref]

H. Xia, J. Wang, Y. Tian, Q. D. Chen, X. B. Du, Y. L. Zhang, Y. He, and H. B. Sun, “Ferrofluids for fabrication of remotely controllable micro-nanomachines by two-photon polymerization,” Adv. Mater. 22(29), 3204–3207 (2010).
[Crossref]

J. ter Schiphorst, S. Coleman, J. E. Stumpel, A. Ben Azouz, D. Diamond, and A. P. H. J. Schenning, “Molecular design of light-responsive hydrogels, for in situ generation of fast and reversible valves for microfluidic applications,” Chem. Mater. 27(17), 5925–5931 (2015).
[Crossref]

X. Du, H. Cui, B. Sun, J. Wang, Q. Zhao, K. Xia, T. Wu, and M. S. Humayun, “Photothermally triggered shape-adaptable 3D flexible electronics,” Adv. Mater. Technol. 2(10), 1700120 (2017).
[Crossref]

J. ter Schiphorst, S. Coleman, J. E. Stumpel, A. Ben Azouz, D. Diamond, and A. P. H. J. Schenning, “Molecular design of light-responsive hydrogels, for in situ generation of fast and reversible valves for microfluidic applications,” Chem. Mater. 27(17), 5925–5931 (2015).
[Crossref]

A. Gumus, A. Alam, A. M. Hussain, K. Mishra, I. Wicaksono, G. A. Torres Sevilla, S. F. Shaikh, M. Diaz, S. Velling, M. T. Ghoneim, S. M. Ahmed, and M. M. Hussain, “Expandable polymer enabled wirelessly destructible high-performance solid state electronics,”,” Adv. Mater. Technol. 2(5), 1600264 (2017).
[Crossref]

X. Du, H. Cui, B. Sun, J. Wang, Q. Zhao, K. Xia, T. Wu, and M. S. Humayun, “Photothermally triggered shape-adaptable 3D flexible electronics,” Adv. Mater. Technol. 2(10), 1700120 (2017).
[Crossref]

H. Xia, J. Wang, Y. Tian, Q. D. Chen, X. B. Du, Y. L. Zhang, Y. He, and H. B. Sun, “Ferrofluids for fabrication of remotely controllable micro-nanomachines by two-photon polymerization,” Adv. Mater. 22(29), 3204–3207 (2010).
[Crossref]

Y. Y. Cao, N. Takeyasu, T. Tanaka, X. M. Duan, and S. Kawata, “3D metallic nanostructure fabrication by surfactant-assisted multiphoton-induced reduction,” Small 5(10), 1144–1148 (2009).
[Crossref]

K. Kaneko, H.-B. Sun, X.-M. Duan, and S. Kawata, “Two-photon photoreduction of metallic nanoparticle gratings in a polymer matrix,” Appl. Phys. Lett. 83(7), 1426–1428 (2003).
[Crossref]

T. Guan, F. Godts, F. Ceyssens, E. Vanderleyden, K. Adesanya, P. Dubruel, H. P. Neves, and R. Puers, “Development and fabrication of a novel photopatternable electric responsive Pluronic hydrogel for MEMS applications,” Sens. Actuators, A 186, 184–190 (2012).
[Crossref]

G. Stoychev, S. Zakharchenko, S. Turcaud, J. W. C. Dunlop, and L. Ionov, “Shape-programmed folding of stimuli-responsive polymer bilayers,” ACS Nano 6(5), 3925–3934 (2012).
[Crossref]

M. Motornov, S. Minko, K.-J. Eichhorn, M. Nitschke, F. Simon, and M. Stamm, “Reversible tuning of wetting behavior of polymer surface with responsive polymer brushes,” Langmuir 19(19), 8077–8085 (2003).
[Crossref]

R. A. Siegel and B. A. Firestone, “pH-dependent equilibrium swelling properties of hydrophobic polyelectrolyte copolymer gels,” Macromolecules 21(11), 3254–3259 (1988).
[Crossref]

M. E. Harmon, T. A. M. Jakob, W. Knoll, and C. W. Frank, “A surface plasmon resonance study of volume phase transitions in N-isopropylacrylamide gel films,” Macromolecules 35(15), 5999–6004 (2002).
[Crossref]

G. Vantomme, A. H. Gelebart, D. J. Broer, and E. W. Meijer, “A four-blade light-driven plastic mill based on hydrazone liquid-crystal networks,” Tetrahedron 73(33), 4963–4967 (2017).
[Crossref]

A. Gumus, A. Alam, A. M. Hussain, K. Mishra, I. Wicaksono, G. A. Torres Sevilla, S. F. Shaikh, M. Diaz, S. Velling, M. T. Ghoneim, S. M. Ahmed, and M. M. Hussain, “Expandable polymer enabled wirelessly destructible high-performance solid state electronics,”,” Adv. Mater. Technol. 2(5), 1600264 (2017).
[Crossref]

T. Guan, F. Godts, F. Ceyssens, E. Vanderleyden, K. Adesanya, P. Dubruel, H. P. Neves, and R. Puers, “Development and fabrication of a novel photopatternable electric responsive Pluronic hydrogel for MEMS applications,” Sens. Actuators, A 186, 184–190 (2012).
[Crossref]

A. Kirillova, R. Maxson, G. Stoychev, C. T. Gomillion, and L. Ionov, “4D biofabrication using shape-morphing hydrogels,” Adv. Mater. 29(46), 1703443 (2017).
[Crossref]

T. Guan, F. Godts, F. Ceyssens, E. Vanderleyden, K. Adesanya, P. Dubruel, H. P. Neves, and R. Puers, “Development and fabrication of a novel photopatternable electric responsive Pluronic hydrogel for MEMS applications,” Sens. Actuators, A 186, 184–190 (2012).
[Crossref]

A. Gumus, A. Alam, A. M. Hussain, K. Mishra, I. Wicaksono, G. A. Torres Sevilla, S. F. Shaikh, M. Diaz, S. Velling, M. T. Ghoneim, S. M. Ahmed, and M. M. Hussain, “Expandable polymer enabled wirelessly destructible high-performance solid state electronics,”,” Adv. Mater. Technol. 2(5), 1600264 (2017).
[Crossref]

J. Guo, R. Zhang, L. Zhang, and X. Cao, “4D printing of robust hydrogels consisted of agarose nanofibers and polyacrylamide,” ACS Macro Lett. 7(4), 442–446 (2018).
[Crossref]

M. E. Harmon, T. A. M. Jakob, W. Knoll, and C. W. Frank, “A surface plasmon resonance study of volume phase transitions in N-isopropylacrylamide gel films,” Macromolecules 35(15), 5999–6004 (2002).
[Crossref]

H. Xia, J. Wang, Y. Tian, Q. D. Chen, X. B. Du, Y. L. Zhang, Y. He, and H. B. Sun, “Ferrofluids for fabrication of remotely controllable micro-nanomachines by two-photon polymerization,” Adv. Mater. 22(29), 3204–3207 (2010).
[Crossref]

M. Machida, Y. Nakajima, M. L. Torres-Mapa, D. Heinemann, A. Heisterkamp, and M. Terakawa, “Shrinkable silver diffraction grating fabricated inside a hydrogel using 522-nm femtosecond laser,” Sci. Rep. 8(1), 187 (2018).
[Crossref]

M. Machida, Y. Nakajima, M. L. Torres-Mapa, D. Heinemann, A. Heisterkamp, and M. Terakawa, “Shrinkable silver diffraction grating fabricated inside a hydrogel using 522-nm femtosecond laser,” Sci. Rep. 8(1), 187 (2018).
[Crossref]

J. Hu, W. Wang, and H. Yu, “Endowing soft photo-actuators with intelligence,” Adv. Intell. Syst. 1(8), 1900050 (2019).
[Crossref]

X.-Q. Wu, X.-W. Wu, Q. Huang, J.-S. Shen, and H.-W. Zhang, “In situ synthesized gold nanoparticles in hydrogels for catalytic reduction of nitroaromatic compaounds,” Appl. Surf. Sci. 331, 210–218 (2015).
[Crossref]

C. F. Bohren and D. R. Huffman, “Absorption and Scattering of Light by Small Particles,” WILEY-VCH Verlag GmbH & Co. KGaA, 1983.

X. Du, H. Cui, B. Sun, J. Wang, Q. Zhao, K. Xia, T. Wu, and M. S. Humayun, “Photothermally triggered shape-adaptable 3D flexible electronics,” Adv. Mater. Technol. 2(10), 1700120 (2017).
[Crossref]

A. Gumus, A. Alam, A. M. Hussain, K. Mishra, I. Wicaksono, G. A. Torres Sevilla, S. F. Shaikh, M. Diaz, S. Velling, M. T. Ghoneim, S. M. Ahmed, and M. M. Hussain, “Expandable polymer enabled wirelessly destructible high-performance solid state electronics,”,” Adv. Mater. Technol. 2(5), 1600264 (2017).
[Crossref]

A. Gumus, A. Alam, A. M. Hussain, K. Mishra, I. Wicaksono, G. A. Torres Sevilla, S. F. Shaikh, M. Diaz, S. Velling, M. T. Ghoneim, S. M. Ahmed, and M. M. Hussain, “Expandable polymer enabled wirelessly destructible high-performance solid state electronics,”,” Adv. Mater. Technol. 2(5), 1600264 (2017).
[Crossref]

M. Yamada, M. Kondo, R. Miyasato, Y. Naka, J.-I. Mamiya, M. Kinoshita, A. Shishido, Y. Yu, C. J. Barrett, and T. Ikeda, “Photomobile polymer materials—various three-dimensional movements,” J. Mater. Chem. 19(1), 60–62 (2009).
[Crossref]

M. Yamada, M. Kondo, J. Mamiya, Y. Yu, M. Kinoshita, C. J. Barrett, and T. Ikeda, “Photomobile polymer materials: towards light-driven plastic motors,” Angew. Chem., Int. Ed. 47(27), 4986–4988 (2008).
[Crossref]

K. Katagiri, Y. Imai, K. Koumoto, T. Kaiden, K. Kono, and S. Aoshima, “Magnetoresponsive on-demand release of hybrid liposomes formed from Fe3O4 nanoparticles and thermosensitive block copolymers,” Small 7(12), 1683–1689 (2011).
[Crossref]

A. Kirillova, R. Maxson, G. Stoychev, C. T. Gomillion, and L. Ionov, “4D biofabrication using shape-morphing hydrogels,” Adv. Mater. 29(46), 1703443 (2017).
[Crossref]

G. Stoychev, S. Zakharchenko, S. Turcaud, J. W. C. Dunlop, and L. Ionov, “Shape-programmed folding of stimuli-responsive polymer bilayers,” ACS Nano 6(5), 3925–3934 (2012).
[Crossref]

A. Ishikawa and T. Tanaka, “Two-photon fabrication of three-dimensional metallic nanostructures for plasmonic metamaterials,” J. Laser Micro/Nanoeng. 7(1), 11–15 (2012).
[Crossref]

A. Ishikawa, T. Tanaka, and S. Kawata, “Improvement in the reduction of silver ions in aqueous solution using two-photon sensitive dye,” Appl. Phys. Lett. 89(11), 113102 (2006).
[Crossref]

T. Tanaka, A. Ishikawa, and S. Kawata, “Two-photon-induced reduction of metal ions for fabricating three-dimensional electrically conductive metallic microstructure,” Appl. Phys. Lett. 88(8), 081107 (2006).
[Crossref]

S. Kakizaki, J. Shintake, Y. Iwatake, K. Baba, H. Takeuchi, and A. Yamamoto, “Large, fast, and bidirectional bending of slide-ring polymer materials,” Adv. Intell. Syst. 2(4), 1900155 (2020).
[Crossref]

M. E. Harmon, T. A. M. Jakob, W. Knoll, and C. W. Frank, “A surface plasmon resonance study of volume phase transitions in N-isopropylacrylamide gel films,” Macromolecules 35(15), 5999–6004 (2002).
[Crossref]

Y. Yang, Z. Pei, Z. Li, Y. Wei, and Y. Ji, “Making and remaking dynamic 3D structures by shining light on flat liquid crystalline vitrimer films without a mold,” J. Am. Chem. Soc. 138(7), 2118–2121 (2016).
[Crossref]

K. Sutani, I. Kaetsu, and K. Uchida, “The synthesis and the electric-responsiveness of hydrogels entrapping natural polyelectrolyte,” Radiat. Phys. Chem. 61(1), 49–54 (2001).
[Crossref]

K. Katagiri, Y. Imai, K. Koumoto, T. Kaiden, K. Kono, and S. Aoshima, “Magnetoresponsive on-demand release of hybrid liposomes formed from Fe3O4 nanoparticles and thermosensitive block copolymers,” Small 7(12), 1683–1689 (2011).
[Crossref]

S. Kakizaki, J. Shintake, Y. Iwatake, K. Baba, H. Takeuchi, and A. Yamamoto, “Large, fast, and bidirectional bending of slide-ring polymer materials,” Adv. Intell. Syst. 2(4), 1900155 (2020).
[Crossref]

K. Kaneko, H.-B. Sun, X.-M. Duan, and S. Kawata, “Two-photon photoreduction of metallic nanoparticle gratings in a polymer matrix,” Appl. Phys. Lett. 83(7), 1426–1428 (2003).
[Crossref]

K. Katagiri, Y. Imai, K. Koumoto, T. Kaiden, K. Kono, and S. Aoshima, “Magnetoresponsive on-demand release of hybrid liposomes formed from Fe3O4 nanoparticles and thermosensitive block copolymers,” Small 7(12), 1683–1689 (2011).
[Crossref]

A. Shiotani, Y. Akiyama, T. Kawano, Y. Niidome, T. Mori, Y. Katayama, and T. Niidome, “Active accumulation of gold nanorods in tumor in response to near-infrared laser irradiation,” Bioconjugate Chem. 21(11), 2049–2054 (2010).
[Crossref]

T. Kawano, Y. Niidome, T. Mori, Y. Katayama, and T. Niidome, “PNIPAM gel-coated gold nanorods for targeted delivery responding to a near-infrared laser,” Bioconjugate Chem. 20(2), 209–212 (2009).
[Crossref]

A. Shiotani, T. Mori, T. Niidome, Y. Niidome, and Y. Katayama, “Stable incorporation of gold nanorods into N-Isopropylacrylamide hydrogels and their rapid shrinkage induced by near-infrared laser irradiation,” Langmuir 23(7), 4012–4018 (2007).
[Crossref]

A. Shiotani, Y. Akiyama, T. Kawano, Y. Niidome, T. Mori, Y. Katayama, and T. Niidome, “Active accumulation of gold nanorods in tumor in response to near-infrared laser irradiation,” Bioconjugate Chem. 21(11), 2049–2054 (2010).
[Crossref]

T. Kawano, Y. Niidome, T. Mori, Y. Katayama, and T. Niidome, “PNIPAM gel-coated gold nanorods for targeted delivery responding to a near-infrared laser,” Bioconjugate Chem. 20(2), 209–212 (2009).
[Crossref]

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M. Yamada, M. Kondo, R. Miyasato, Y. Naka, J.-I. Mamiya, M. Kinoshita, A. Shishido, Y. Yu, C. J. Barrett, and T. Ikeda, “Photomobile polymer materials—various three-dimensional movements,” J. Mater. Chem. 19(1), 60–62 (2009).
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M. Machida, Y. Nakajima, M. L. Torres-Mapa, D. Heinemann, A. Heisterkamp, and M. Terakawa, “Shrinkable silver diffraction grating fabricated inside a hydrogel using 522-nm femtosecond laser,” Sci. Rep. 8(1), 187 (2018).
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T. Guan, F. Godts, F. Ceyssens, E. Vanderleyden, K. Adesanya, P. Dubruel, H. P. Neves, and R. Puers, “Development and fabrication of a novel photopatternable electric responsive Pluronic hydrogel for MEMS applications,” Sens. Actuators, A 186, 184–190 (2012).
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A. Shiotani, Y. Akiyama, T. Kawano, Y. Niidome, T. Mori, Y. Katayama, and T. Niidome, “Active accumulation of gold nanorods in tumor in response to near-infrared laser irradiation,” Bioconjugate Chem. 21(11), 2049–2054 (2010).
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T. Kawano, Y. Niidome, T. Mori, Y. Katayama, and T. Niidome, “PNIPAM gel-coated gold nanorods for targeted delivery responding to a near-infrared laser,” Bioconjugate Chem. 20(2), 209–212 (2009).
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A. Shiotani, T. Mori, T. Niidome, Y. Niidome, and Y. Katayama, “Stable incorporation of gold nanorods into N-Isopropylacrylamide hydrogels and their rapid shrinkage induced by near-infrared laser irradiation,” Langmuir 23(7), 4012–4018 (2007).
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A. Shiotani, Y. Akiyama, T. Kawano, Y. Niidome, T. Mori, Y. Katayama, and T. Niidome, “Active accumulation of gold nanorods in tumor in response to near-infrared laser irradiation,” Bioconjugate Chem. 21(11), 2049–2054 (2010).
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T. Kawano, Y. Niidome, T. Mori, Y. Katayama, and T. Niidome, “PNIPAM gel-coated gold nanorods for targeted delivery responding to a near-infrared laser,” Bioconjugate Chem. 20(2), 209–212 (2009).
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A. Shiotani, T. Mori, T. Niidome, Y. Niidome, and Y. Katayama, “Stable incorporation of gold nanorods into N-Isopropylacrylamide hydrogels and their rapid shrinkage induced by near-infrared laser irradiation,” Langmuir 23(7), 4012–4018 (2007).
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H. Nishiyama, K. Umetsu, and K. Kimura, “Versatile direct laser writing of non-photosensitive materials using multi-photon reduction-based assembly of nanoparticles,” Sci. Rep. 9(1), 14310 (2019).
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M. Motornov, S. Minko, K.-J. Eichhorn, M. Nitschke, F. Simon, and M. Stamm, “Reversible tuning of wetting behavior of polymer surface with responsive polymer brushes,” Langmuir 19(19), 8077–8085 (2003).
[Crossref]

Y. Yang, Z. Pei, Z. Li, Y. Wei, and Y. Ji, “Making and remaking dynamic 3D structures by shining light on flat liquid crystalline vitrimer films without a mold,” J. Am. Chem. Soc. 138(7), 2118–2121 (2016).
[Crossref]

M. Prabaharan and J. F. Mano, “Stimuli-responsive hydrogels based on polysaccharides incorporated with thermo-responsive polymers as novel biomaterials,” Macromol. Biosci. 6(12), 991–1008 (2006).
[Crossref]

T. Guan, F. Godts, F. Ceyssens, E. Vanderleyden, K. Adesanya, P. Dubruel, H. P. Neves, and R. Puers, “Development and fabrication of a novel photopatternable electric responsive Pluronic hydrogel for MEMS applications,” Sens. Actuators, A 186, 184–190 (2012).
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J. Wang, Z. Wang, Z. Song, L. Ren, Q. Liu, and L. Ren, “Biomimetic shape–color double-responsive 4D printing,”,” Adv. Mater. Technol. 4(9), 1900293 (2019).
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J. Wang, Z. Wang, Z. Song, L. Ren, Q. Liu, and L. Ren, “Biomimetic shape–color double-responsive 4D printing,”,” Adv. Mater. Technol. 4(9), 1900293 (2019).
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A. Gumus, A. Alam, A. M. Hussain, K. Mishra, I. Wicaksono, G. A. Torres Sevilla, S. F. Shaikh, M. Diaz, S. Velling, M. T. Ghoneim, S. M. Ahmed, and M. M. Hussain, “Expandable polymer enabled wirelessly destructible high-performance solid state electronics,”,” Adv. Mater. Technol. 2(5), 1600264 (2017).
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X.-Q. Wu, X.-W. Wu, Q. Huang, J.-S. Shen, and H.-W. Zhang, “In situ synthesized gold nanoparticles in hydrogels for catalytic reduction of nitroaromatic compaounds,” Appl. Surf. Sci. 331, 210–218 (2015).
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S. Kakizaki, J. Shintake, Y. Iwatake, K. Baba, H. Takeuchi, and A. Yamamoto, “Large, fast, and bidirectional bending of slide-ring polymer materials,” Adv. Intell. Syst. 2(4), 1900155 (2020).
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A. Shiotani, Y. Akiyama, T. Kawano, Y. Niidome, T. Mori, Y. Katayama, and T. Niidome, “Active accumulation of gold nanorods in tumor in response to near-infrared laser irradiation,” Bioconjugate Chem. 21(11), 2049–2054 (2010).
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A. Shiotani, T. Mori, T. Niidome, Y. Niidome, and Y. Katayama, “Stable incorporation of gold nanorods into N-Isopropylacrylamide hydrogels and their rapid shrinkage induced by near-infrared laser irradiation,” Langmuir 23(7), 4012–4018 (2007).
[Crossref]

M. Yamada, M. Kondo, R. Miyasato, Y. Naka, J.-I. Mamiya, M. Kinoshita, A. Shishido, Y. Yu, C. J. Barrett, and T. Ikeda, “Photomobile polymer materials—various three-dimensional movements,” J. Mater. Chem. 19(1), 60–62 (2009).
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[Crossref]

J. Wang, Z. Wang, Z. Song, L. Ren, Q. Liu, and L. Ren, “Biomimetic shape–color double-responsive 4D printing,”,” Adv. Mater. Technol. 4(9), 1900293 (2019).
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M. Motornov, S. Minko, K.-J. Eichhorn, M. Nitschke, F. Simon, and M. Stamm, “Reversible tuning of wetting behavior of polymer surface with responsive polymer brushes,” Langmuir 19(19), 8077–8085 (2003).
[Crossref]

A. Kirillova, R. Maxson, G. Stoychev, C. T. Gomillion, and L. Ionov, “4D biofabrication using shape-morphing hydrogels,” Adv. Mater. 29(46), 1703443 (2017).
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G. Stoychev, S. Zakharchenko, S. Turcaud, J. W. C. Dunlop, and L. Ionov, “Shape-programmed folding of stimuli-responsive polymer bilayers,” ACS Nano 6(5), 3925–3934 (2012).
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J. ter Schiphorst, S. Coleman, J. E. Stumpel, A. Ben Azouz, D. Diamond, and A. P. H. J. Schenning, “Molecular design of light-responsive hydrogels, for in situ generation of fast and reversible valves for microfluidic applications,” Chem. Mater. 27(17), 5925–5931 (2015).
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X. Du, H. Cui, B. Sun, J. Wang, Q. Zhao, K. Xia, T. Wu, and M. S. Humayun, “Photothermally triggered shape-adaptable 3D flexible electronics,” Adv. Mater. Technol. 2(10), 1700120 (2017).
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H. Xia, J. Wang, Y. Tian, Q. D. Chen, X. B. Du, Y. L. Zhang, Y. He, and H. B. Sun, “Ferrofluids for fabrication of remotely controllable micro-nanomachines by two-photon polymerization,” Adv. Mater. 22(29), 3204–3207 (2010).
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[Crossref]

Y. Y. Cao, N. Takeyasu, T. Tanaka, X. M. Duan, and S. Kawata, “3D metallic nanostructure fabrication by surfactant-assisted multiphoton-induced reduction,” Small 5(10), 1144–1148 (2009).
[Crossref]

Y. Yang, Y. Tan, X. Wang, W. An, S. Xu, W. Liao, and Y. Wang, “Photothermal nanocomposite hydrogel actuator with electric-field-induced gradient and oriented structure,” ACS Appl. Mater. Interfaces 10(9), 7688–7692 (2018).
[Crossref]

A. Ishikawa and T. Tanaka, “Two-photon fabrication of three-dimensional metallic nanostructures for plasmonic metamaterials,” J. Laser Micro/Nanoeng. 7(1), 11–15 (2012).
[Crossref]

Y. Y. Cao, N. Takeyasu, T. Tanaka, X. M. Duan, and S. Kawata, “3D metallic nanostructure fabrication by surfactant-assisted multiphoton-induced reduction,” Small 5(10), 1144–1148 (2009).
[Crossref]

A. Ishikawa, T. Tanaka, and S. Kawata, “Improvement in the reduction of silver ions in aqueous solution using two-photon sensitive dye,” Appl. Phys. Lett. 89(11), 113102 (2006).
[Crossref]

T. Tanaka, A. Ishikawa, and S. Kawata, “Two-photon-induced reduction of metal ions for fabricating three-dimensional electrically conductive metallic microstructure,” Appl. Phys. Lett. 88(8), 081107 (2006).
[Crossref]

J. ter Schiphorst, S. Coleman, J. E. Stumpel, A. Ben Azouz, D. Diamond, and A. P. H. J. Schenning, “Molecular design of light-responsive hydrogels, for in situ generation of fast and reversible valves for microfluidic applications,” Chem. Mater. 27(17), 5925–5931 (2015).
[Crossref]

M. Machida, Y. Nakajima, M. L. Torres-Mapa, D. Heinemann, A. Heisterkamp, and M. Terakawa, “Shrinkable silver diffraction grating fabricated inside a hydrogel using 522-nm femtosecond laser,” Sci. Rep. 8(1), 187 (2018).
[Crossref]

H. Xia, J. Wang, Y. Tian, Q. D. Chen, X. B. Du, Y. L. Zhang, Y. He, and H. B. Sun, “Ferrofluids for fabrication of remotely controllable micro-nanomachines by two-photon polymerization,” Adv. Mater. 22(29), 3204–3207 (2010).
[Crossref]

A. Gumus, A. Alam, A. M. Hussain, K. Mishra, I. Wicaksono, G. A. Torres Sevilla, S. F. Shaikh, M. Diaz, S. Velling, M. T. Ghoneim, S. M. Ahmed, and M. M. Hussain, “Expandable polymer enabled wirelessly destructible high-performance solid state electronics,”,” Adv. Mater. Technol. 2(5), 1600264 (2017).
[Crossref]

M. Machida, Y. Nakajima, M. L. Torres-Mapa, D. Heinemann, A. Heisterkamp, and M. Terakawa, “Shrinkable silver diffraction grating fabricated inside a hydrogel using 522-nm femtosecond laser,” Sci. Rep. 8(1), 187 (2018).
[Crossref]

S. R. Mishra and J. B. Tracy, “Sequential actuation of shape-memory polymers through wavelength-selective photothermal heating of gold nanospheres and nanorods,” ACS Appl. Nano Mater. 1(7), 3063–3067 (2018).
[Crossref]

G. Stoychev, S. Zakharchenko, S. Turcaud, J. W. C. Dunlop, and L. Ionov, “Shape-programmed folding of stimuli-responsive polymer bilayers,” ACS Nano 6(5), 3925–3934 (2012).
[Crossref]

K. Sutani, I. Kaetsu, and K. Uchida, “The synthesis and the electric-responsiveness of hydrogels entrapping natural polyelectrolyte,” Radiat. Phys. Chem. 61(1), 49–54 (2001).
[Crossref]

H. Nishiyama, K. Umetsu, and K. Kimura, “Versatile direct laser writing of non-photosensitive materials using multi-photon reduction-based assembly of nanoparticles,” Sci. Rep. 9(1), 14310 (2019).
[Crossref]

T. Guan, F. Godts, F. Ceyssens, E. Vanderleyden, K. Adesanya, P. Dubruel, H. P. Neves, and R. Puers, “Development and fabrication of a novel photopatternable electric responsive Pluronic hydrogel for MEMS applications,” Sens. Actuators, A 186, 184–190 (2012).
[Crossref]

G. Vantomme, A. H. Gelebart, D. J. Broer, and E. W. Meijer, “A four-blade light-driven plastic mill based on hydrazone liquid-crystal networks,” Tetrahedron 73(33), 4963–4967 (2017).
[Crossref]

A. Gumus, A. Alam, A. M. Hussain, K. Mishra, I. Wicaksono, G. A. Torres Sevilla, S. F. Shaikh, M. Diaz, S. Velling, M. T. Ghoneim, S. M. Ahmed, and M. M. Hussain, “Expandable polymer enabled wirelessly destructible high-performance solid state electronics,”,” Adv. Mater. Technol. 2(5), 1600264 (2017).
[Crossref]

J. Wang, Z. Wang, Z. Song, L. Ren, Q. Liu, and L. Ren, “Biomimetic shape–color double-responsive 4D printing,”,” Adv. Mater. Technol. 4(9), 1900293 (2019).
[Crossref]

X. Du, H. Cui, B. Sun, J. Wang, Q. Zhao, K. Xia, T. Wu, and M. S. Humayun, “Photothermally triggered shape-adaptable 3D flexible electronics,” Adv. Mater. Technol. 2(10), 1700120 (2017).
[Crossref]

H. Xia, J. Wang, Y. Tian, Q. D. Chen, X. B. Du, Y. L. Zhang, Y. He, and H. B. Sun, “Ferrofluids for fabrication of remotely controllable micro-nanomachines by two-photon polymerization,” Adv. Mater. 22(29), 3204–3207 (2010).
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J. Hu, W. Wang, and H. Yu, “Endowing soft photo-actuators with intelligence,” Adv. Intell. Syst. 1(8), 1900050 (2019).
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Y. Yang, Y. Tan, X. Wang, W. An, S. Xu, W. Liao, and Y. Wang, “Photothermal nanocomposite hydrogel actuator with electric-field-induced gradient and oriented structure,” ACS Appl. Mater. Interfaces 10(9), 7688–7692 (2018).
[Crossref]

Y. Yang, Y. Tan, X. Wang, W. An, S. Xu, W. Liao, and Y. Wang, “Photothermal nanocomposite hydrogel actuator with electric-field-induced gradient and oriented structure,” ACS Appl. Mater. Interfaces 10(9), 7688–7692 (2018).
[Crossref]

J. Wang, Z. Wang, Z. Song, L. Ren, Q. Liu, and L. Ren, “Biomimetic shape–color double-responsive 4D printing,”,” Adv. Mater. Technol. 4(9), 1900293 (2019).
[Crossref]

Y. Yang, Z. Pei, Z. Li, Y. Wei, and Y. Ji, “Making and remaking dynamic 3D structures by shining light on flat liquid crystalline vitrimer films without a mold,” J. Am. Chem. Soc. 138(7), 2118–2121 (2016).
[Crossref]

A. Gumus, A. Alam, A. M. Hussain, K. Mishra, I. Wicaksono, G. A. Torres Sevilla, S. F. Shaikh, M. Diaz, S. Velling, M. T. Ghoneim, S. M. Ahmed, and M. M. Hussain, “Expandable polymer enabled wirelessly destructible high-performance solid state electronics,”,” Adv. Mater. Technol. 2(5), 1600264 (2017).
[Crossref]

X. Du, H. Cui, B. Sun, J. Wang, Q. Zhao, K. Xia, T. Wu, and M. S. Humayun, “Photothermally triggered shape-adaptable 3D flexible electronics,” Adv. Mater. Technol. 2(10), 1700120 (2017).
[Crossref]

W. Wu, L. Yao, T. Yang, R. Yin, F. Li, and Y. Yu, “NIR-light-induced deformation of cross-linked liquid-crystal polymers using upconversion nanophosphors,” J. Am. Chem. Soc. 133(40), 15810–15813 (2011).
[Crossref]

X.-Q. Wu, X.-W. Wu, Q. Huang, J.-S. Shen, and H.-W. Zhang, “In situ synthesized gold nanoparticles in hydrogels for catalytic reduction of nitroaromatic compaounds,” Appl. Surf. Sci. 331, 210–218 (2015).
[Crossref]

X.-Q. Wu, X.-W. Wu, Q. Huang, J.-S. Shen, and H.-W. Zhang, “In situ synthesized gold nanoparticles in hydrogels for catalytic reduction of nitroaromatic compaounds,” Appl. Surf. Sci. 331, 210–218 (2015).
[Crossref]

H. Xia, J. Wang, Y. Tian, Q. D. Chen, X. B. Du, Y. L. Zhang, Y. He, and H. B. Sun, “Ferrofluids for fabrication of remotely controllable micro-nanomachines by two-photon polymerization,” Adv. Mater. 22(29), 3204–3207 (2010).
[Crossref]

X. Du, H. Cui, B. Sun, J. Wang, Q. Zhao, K. Xia, T. Wu, and M. S. Humayun, “Photothermally triggered shape-adaptable 3D flexible electronics,” Adv. Mater. Technol. 2(10), 1700120 (2017).
[Crossref]

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