ZnO Nanorods Coated Single-Mode–Multimode–Single-Mode Optical Fiber Sensor for VOC Biomarker Detection oleh Kankan Swargiary, Prattakorn Metem, Chayapol Kulatumyotin, Suphavit Thaneerat, Noppasin Ajchareeyasoontorn, Pannathorn Jitpratak, Tanujjal Bora, Waleed S. Mohammed, Joydeep Dutta, Charusluk Viphavakit