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<p>In the pursuit of sustainable and biocompatible alternatives to synthetic fibers, <i>Calamus viminalis</i> fibers (CVFs) have emerged as a promising natural resource with significant potential in biomedical and composite applications. This study investigates the chemical, structural, thermal, mechanical, and morphological properties of CVFs to assess their suitability as a reinforcement material and an alternative to a synthetic suture. Chemical analysis revealed that CVFs consist of multiple polysaccharides, including 43.55% cellulose, 18.69% hemicellulose, and 23.62% lignin. Thermogravimetric analysis demonstrated a thermal stability threshold of up to 780&#xa0;°C. SEM studies revealed a smooth, lignin-rich surface, which is conducive to interfacial bonding in composites. CVFs have a crystalline index of 41.8% and a crystalline size of 3.9&#xa0;nm. The average tensile strength can reach up to 658&#xa0;MPa, Young’s modulus of 2.63 GPa, and 5.44% elongation at break, which is an important mechanical property of the fiber. Biocompatibility assessments using human lymphocytes revealed &gt; 65% cell viability and low oxidative stress, suggesting the fibers are cytocompatible. Furthermore, in vivo suture trials in rats demonstrated effective wound closure without signs of inflammation. Collectively, the first comprehensive report on the multifunctional performance of CVFs demonstrates their potential as a sustainable, eco-friendly, and biocompatible alternative to conventional synthetic materials for surgical sutures, biomedical devices, and high-performance composite applications.</p> Graphical Abstract <p></p>

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Characterization of Polysaccharide-Rich Calamus viminalis Willd. Fiber as a Promising Eco-Friendly Composite and an Alternative for Synthetic Surgical Sutures

  • 期刊论文

  • 发表日期：

    2026年5月24日

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  • Roni Saha,
  • Rahul Deb Barman,
  • Amal Kumar Mondal,
  • Sanjukta Mondal Parui,
  • Devendra Singh,
  • Gouri Karan,
  • Sujata Maiti Choudhury

摘要

In the pursuit of sustainable and biocompatible alternatives to synthetic fibers, Calamus viminalis fibers (CVFs) have emerged as a promising natural resource with significant potential in biomedical and composite applications. This study investigates the chemical, structural, thermal, mechanical, and morphological properties of CVFs to assess their suitability as a reinforcement material and an alternative to a synthetic suture. Chemical analysis revealed that CVFs consist of multiple polysaccharides, including 43.55% cellulose, 18.69% hemicellulose, and 23.62% lignin. Thermogravimetric analysis demonstrated a thermal stability threshold of up to 780 °C. SEM studies revealed a smooth, lignin-rich surface, which is conducive to interfacial bonding in composites. CVFs have a crystalline index of 41.8% and a crystalline size of 3.9 nm. The average tensile strength can reach up to 658 MPa, Young’s modulus of 2.63 GPa, and 5.44% elongation at break, which is an important mechanical property of the fiber. Biocompatibility assessments using human lymphocytes revealed > 65% cell viability and low oxidative stress, suggesting the fibers are cytocompatible. Furthermore, in vivo suture trials in rats demonstrated effective wound closure without signs of inflammation. Collectively, the first comprehensive report on the multifunctional performance of CVFs demonstrates their potential as a sustainable, eco-friendly, and biocompatible alternative to conventional synthetic materials for surgical sutures, biomedical devices, and high-performance composite applications.

Graphical Abstract