[1] WANG Mengye, JIN Wa, LIU Xuejing et al. Design and research of magnetic field sensor based on grapefruit optical fiber filled with magnetic fluid[J]. Optoelectronics Letters, 18, 269-275(2022).

[2] ZENG Li, SUN Xiaoyan, ZHANG Limu et al. High sensitivity magnetic field sensor based on a Mach-Zehnder interferometer and magnetic fluid[J]. Optik, 249, 168234(2022).

[3] ZHENG Yangzi, DONG Xinyong, CHAN C C et al. Optical fiber magnetic field sensor based on magnetic fluid and microfiber mode interferometer[J]. Optics Communications, 336, 5-8(2015).

[4] SHLYAGIN M G, AGRUZOV P M, PLESHAKOV I V et al. Incident-power-dependent refractive index of ferrofluid in magnetic field measured with a fiber optic probe[J]. Optik, 186, 418-422(2019).

[5] ZHAO Yue, CAO Ye, TONG Zhengrong et al. Simultaneous measurement of dual-parameter based on optical fiber magnetic field sensor[J]. Acta Photonica Sinica, 45, 1206004(2016).

[6] KANG Yong. Preparation and performance study of crosslinked three-dimensional network structure PINPAm[J]. China Rubber/Plastics Technology and Equipment, 47, 32-39(2021).

[7] LI Yufang, LIU Junyu, WANG Xiangyu et al. Research progress of intelligent hydrogel drug controlled release system[J]. Stomatology, 40, 951-954, 964(2020).

[8] ABDULLAH Z W, YU Dong, DAVIES I J et al. PVA, PVA blends, and their nanocomposites for biodegradable packaging application[J]. Polymer-Plastics Technology and Engineering, 56, 1307-1344(2017).

[9] XU Chanchan, LI Bin, WANG Xiaojie. A comparison study on the magneto-responsive properties and swelling behaviors of a polyacrylamide-based hydrogel incorporating with magnetic particles[J]. International Journal of Molecular Sciences, 22, 12342-12342(2021).

[10] DING Wei, LIANG Hongxu, ZHANG Hongwei et al. A cellulose/bentonite grafted polyacrylic acid hydrogel for highly-efficient removal of Cd(II)[J]. Journal of Water Process Engineering, 51, 103414(2023).

[11] TIAN Guohui, ZHANG Ping, NI Mingliang et al. Preparation and characterization of Fe3O4 nanoparticles with high saturation magnetization strength[J]. Sichuan Nonferrous Metals, 22-27, 11(2009).

[12] WANG Yifan. Preparation of PEI-modified chitosan magnetic hydrogel and its heavy metal adsorption kinetics[D](2021).

[13] BARBUCCI R, PASQUI D, GIANI G et al. A novel strategy for engineering hydrogels with ferromagnetic nanoparticles as crosslinkers of the polymer chains. Potential applications as a targeted drug delivery system[J]. Soft Matter, 7, 5558-5565(2011).

[14] AREAL M P, ARCINIEGAS M L, HORST F et al. Water remediation: PVA-based magnetic gels as efficient devices to heavy metal removal[J]. Journal of Polymers and the Environment, 26, 3129-3138(2018).

[15] WANG Guangxing, HOU Wenxuan, LIU Xianglan et al. Preparation of magnetic response self-healing hydrogel by biomimetic mineralization process and study on its properties[J]. Modern Chemical Industry, 40, 114-117, 122(2020).

[16] LIU Chunchun. Research on surface plasmon resonance sensor based on tapered fiber[D](2020).

[17] ZHANG Shuye, GAO Hui, GUO Peiting et al. Fabrication and extrusion of the PAAm-SAlg hydrogels with magnetic particles[J]. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 603, 125280(2020).

[18] LI Yuhui, HUANG Guoyou, ZHANG Xiaohui et al. Magnetic hydrogels and their potential biomedical applications[J]. Advanced Functional Materials, 23, 660-672(2013).

[19] CHEN Yaofei, HUANG Huanhuan, CHEN Jiayao et al. Research progress of the magnetic-fluids-based optical fiber magnetic field sensing:from scalar to vector[J]. Semiconductor Optoelectronics, 43, 655-665(2022).

[20] PU Shengli, CHEN Xianfeng, CHEN Yuping et al. Measurement of the refractive index of a magnetic fluid by the retroreflection on the fiber-optic end face[J]. Applied Physics Letters, 86, 171904(2005).

[21] CAI Lu, ZHAO Yong, WANG Qi et al. Sensory effect of evanescent wave in the tapered optical fiber RI sensor[J]. Journal of Northeastern University (Natural Science), 37, 305-308, 332(2016).

[22] LUO Longfeng, PU Shengli, TANG Jiali et al. Reflective all-fiber magnetic field sensor based on microfiber and magnetic fluid.[J]. Optics Express, 23, 18133-18142(2015).

[23] TAO Yu, FENG Weilin. High-sensitivity detection of magnetic field and temperature based on magnetic fluid coated bi-tapered Mach-Zehnder interferometer[J]. Optik, 259, 168981(2022).

[24] LUO Yan, LEI Xueqin, SHI Fuquan et al. A novel optical fiber magnetic field sensor based on Mach-Zehnder interferometer integrated with magnetic fluid[J]. Optik, 174, 252-258(2018).