Accepted Manuscript Title: Surface functionality and optical properties impact of phenol red dye on mesoporous silica matrix for fiber optic pH sensing Authors: Shumaila Islam, Hazri Bakhtiar, Shahzad Naseem, Muhammad Safwan Bin Abd Aziz, Noriah Bidin, Saira Riaz, Jalil Ali PII: S0924-4247(17)31778-8 DOI: https://doi.org/10.1016/j.sna.2018.04.027 Reference: SNA 10740 To appear in: Sensors and Actuators A Received date: 4-10-2017 Revised date: 15-1-2018 Accepted date: 16-4-2018 Please cite this article as: Islam S, Bakhtiar H, Naseem S, Abd Aziz MSB, Bidin N, Riaz S, Ali J, Surface functionality and optical properties impact of phenol red dye on mesoporous silica matrix for fiber optic pH sensing, Sensors and Actuators: A. Physical (2010), https://doi.org/10.1016/j.sna.2018.04.027 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.