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Kenaf cellulose-based 3D printed device: a novel colorimetric sensor for Ni(II)

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Abstract

Kenaf is a renewable resource that has recently attracted great interest owing to its fast growth which makes a large volume of raw material in a short time. Due to its large surface area and high water adsorption, kenaf cellulose was readily prepared as a substrate immobilized with dimethylglyoxime (DMG) for specific Ni(II) sensor. Herein, a simple and highly sensitive colorimetric detection of Ni(II) using kenaf cellulose-based 3D printed device was successfully created. The large volume (1.0 mL) of Ni(II) solution can be applied on a kenaf cellulose-based 3D printed sensor coupled with a multilayer of adsorption pads. This system provides a wide linear range (0.1–100 mg/L) with an extremely low limit of detection (40 μg/L), significantly improved from a conventional filter paper-based device (1.0 mg/L) for 25 uses, and it enables highly sensitive colorimetric detection of Ni(II) contamination in industrial wastewater without any use of external instruments validated with a standard ICP-OES method.

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Acknowledgments

Dr. Nipapan Ruecha would like to thank Rachadapisek Sompote Fund, Chulalongkorn University for postdoctoral fellowship. The authors gratefully acknowledge funding supports from TRF-IRN granted to the International Research Network on Electroplating Technology.

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Correspondence to Nadnudda Rodthongkum.

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Ruecha, N., Soatthiyanon, N., Aumnate, C. et al. Kenaf cellulose-based 3D printed device: a novel colorimetric sensor for Ni(II). Cellulose 27, 5211–5222 (2020). https://doi.org/10.1007/s10570-020-03141-6

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  • DOI: https://doi.org/10.1007/s10570-020-03141-6

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