Coating of microfibrillated cellulose on plastic optical fiber

This paper presents the experimental development of a coating based on microfibrillated cellulose (MFC) applied to a plastic optical fiber. The primary objective is to utilize this fiber as a biosensor for detecting calcium ions and other chemical elements commonly found in industrial process residues present in effluents. The developed sensor's optical performance was evaluated through measurements of transmittance, reflectance, and absorbance. By integrating the unique properties of optical fibers with the versatility of cellulose, the proposed device demonstrates significant potential for efficient and reliable monitoring of target substances in industrial wastewater.