Impact of adjustable swelling dynamics on the structural integrity of sunflower pollen microgels.

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Tác giả: Ahmad Albar, Snehasish Basu, Nam-Joon Cho, Abdul Rahim Ferhan, Mohammed Shahrudin Bin Ibrahim, Woncheol Jeong, Jian Li, Du Yeol Ryu, Juha Song, Jueying Yang, Vladimir P Zhdanov

Ngôn ngữ: eng

Ký hiệu phân loại:

Thông tin xuất bản: Netherlands : Biomaterials advances , 2025

Mô tả vật lý:

Bộ sưu tập: NCBI

ID: 707819

Pollen is a renewable biomaterial found in seed-bearing plants, and the biocompatibility of pollen microgels is a key factor driving their use in drug delivery, biosensor development, and wound care applications. Herein, the microgel was synthesized from sunflower bee pollen by using a cost-effective process, and to examine its structural integrity under adverse acidic and alkaline conditions, digital microscopy and dynamic image particle analysis were carried out. Swelling dynamics of pollen microgels were regulated by varying pH conditions, and adding aqueous KOH to the solution, and the influence of swelling-deswelling on bulk rheology and local elastic properties were experimentally investigated and theoretically interpreted by using the Ross-Minton equation for the suspension viscosity. The present findings reveal how pollen microgels can be adapted to acidic to alkaline environments in order to modify mechanical and rheological properties.
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