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Updated: Jan 24, 2026

Synthesis of Stimuli-responsive Nanogels using Aqueous One-step Crosslinking and Co-nanopolymerization
Published on: January 24, 2025
Controlled Release of Agrochemicals Using pH and Redox Dual-Responsive Cellulose Nanogels
Xiaobang Hou1,2, Yuanfeng Pan3, Huining Xiao2
1Department of Environmental Engineering , North China Electric Power University , 689 Huadian Road , Baoding , Hebei 071003 , P. R. China.
Abstract:
A novel pH and redox dual-responsive cellulose-based nanogel was prepared for the controlled release of agrochemicals. To synthesize the responsive nanogel, palmitoyl chloride and glyoxal were modified on carboxymethyl cellulose sequentially and 3,3'-dithiobis(propionohydrazide) was used as a cross-linker to assemble the nanogel. The morphology, structure, and physical properties of nanogels were characterized with transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FTIR), particle size analysis, and zeta-potential measurement. Facing pH and redox stimulation, the nanogel showed reversible sol-gel transitions, indicating good pH- and redox-responsiveness. The nanogel loaded with agrochemicals exhibited high loading capacity and various release behaviors. In addition, the experiment of nanogel on heavy metal ions complexation displayed the potential of improving soil condition while delivering agrochemicals.
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