A one‐pot synthesis and application of cellulose‐based sensors to efficiently detect various toxic metal ions in aqueous solutions in micromolar quantities is reported. Cellulose microfibers have been functionalized with carbon disulfide in alkaline solution to form cellulose xanthate. The material detects several toxic metal ions such as copper, nickel, or cobalt ions through color change detectable by the naked eye. The optical sensor can be used as an ideal flash test for assessing the quality of drinking water.

中文翻译：

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黄药酸盐功能化纤维素的一锅法合成用于检测微摩尔铜（II）和镍（II）离子

据报道，基于纤维素的传感器的一锅法合成和应用可以有效地检测水溶液中各种微摩尔量的各种有毒金属离子。纤维素微纤维已在碱性溶液中用二硫化碳官能化，形成了纤维素黄药。该材料通过肉眼可检测到的颜色变化来检测几种有毒金属离子，例如铜，镍或钴离子。光学传感器可用作评估饮用水质量的理想闪光测试。