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A green, efficient and economical polypeptide—modified bamboo fiber and its application in glycopeptide antibiotics adsorption

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Abstract

Inspired by wet-cool/dry-hot cycle derived prebiotic reactions, a green and efficient dry–wet cycle modification method was proposed for the preparation of polypeptide-modified bamboo fiber (P-MBF). Functionalization of P-MBF was characterized by Fourier transform infrared spectroscopy, element analysis, X-ray photoelectron spectroscopy, X-ray diffraction, and scanning electron microscopy. Compared to raw bamboo fiber materials, P-MBF showed better dispersibility in aqueous solutions, and thus exhibited better adsorption performance for glycopeptide antibiotics in sewage treatment. With vancomycin as the target antibiotic, adsorption performance of P-MBF was studied in aqueous solution. The results showed that the adsorption reached equilibrium after 15 min, and adsorption kinetics and isotherms were well correlated with pseudo-second-order model (R2 = 0.999) and Langmuir model (R2 = 0.996), respectively. Investigation of thermodynamic parameters implied that the adsorption was a spontaneous exothermic process. The adsorption efficiencies in standard solution and drinking water were 97.83% and 91.32%, respectively. This study provides a green, efficient and economical modified bamboo fiber material for the removal of glycopeptide antibiotics from sewage samples.

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Acknowledgments

The authors would like to acknowledge the support of the National Natural Science Foundation of China (No. 91856126, 22174080), Scientific Research Grant of Ningbo University (No. 215-432000282) and Ningbo Top Talent Project (No. 215-432094250)

Funding

The authors received support from the National Natural Science Foundation of China (No. 91856126, 22174080), Scientific Research Grant of Ningbo University (No. 215–432000282) and Ningbo Top Talent Project (No. 215–432094250).

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XZ: Validation, investigation and writing—original Draft. DG: Methodology, writing—review & editing and supervision. SH: Writing—review & editing and supervision. YZ: Conceptualization, supervision, project administration and funding acquisition.

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Correspondence to Dandan Guo, Shaohua Huang or Yufen Zhao.

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Zhou, X., Guo, D., Huang, S. et al. A green, efficient and economical polypeptide—modified bamboo fiber and its application in glycopeptide antibiotics adsorption. Cellulose 30, 5201–5215 (2023). https://doi.org/10.1007/s10570-023-05187-8

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  • DOI: https://doi.org/10.1007/s10570-023-05187-8

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