muhammad asif ahmad khushaini, nur hidayah azeman, tg hasnan tg abdul aziz, ahmad ashrif a bakar, richard m. de la rue, ahmad rifqi md zain , burhanuddin yeop majlis, clarence augustine thtee.  (2023).  third-order nonlinearity with subradiance dark-state in ultra-strong excitons and surface plasmon coupling using self-antiaggregation organic dye.  - physica scripta.  1-11. 

nurul ain shafiqah anuar, tay chia-chay, ahmad ashrif abu-bakar, nur hidayah azeman, nurul fariha lokman..  (2023).  adsorption of pb (ii) ions in water with natural kenaf beads.  - journal of advanced research in applied sciences and engineering technology.  179-187. 

rozita sulaiman, nur hidayah azeman, mohd hafiz abu bakar, nur afifah nazri, athiyah sakinah masran, ahmad ashrif a bakar..  (2023).  nitrate classification based on optical absorbance data using machine learning algorithms for a hydroponics system.  - applied spectroscopy.  210-219. 

muhammad asif ahmad khushaini, nur hidayah azeman, muhamad mat salleh, tg hasnan tg abdul aziz, ahmad ashrif a bakar, richard m. de la rue, ahmad rifqi md zain.  (2022).  exploiting a strong coupling regime of organic pentamer surface plasmon resonance based on the otto configuration for creatinine detection.  - optics express.  14478-14491. 

mohd hafiz abu bakar, nur hidayah azeman, nadhratun naiim mobarak, nur afifah ahmad nazri, tengku hasnan tengku abdul aziz, ahmad rifqi md zain, norhana arsad, ahmad ashrif a. bakar..  (2022).  succinyl-k-carrageenan silver nanotriangles composite for ammonium localized surface plasmon resonance sensor.  - polymers.  1-17. 

mohd hafiz abu bakar, nur hidayah azeman, nadhratun naiim mobarak, nur afifah ahmad nazri, rozita sulaiman, norhana arsad, mohd adzir mahdi, ahmad ashrif a bakar.  (2022).  succinyl-carrageenan on a localised surface plasmon resonance fiber sensor for ammonium ion assays.  - journal of materials chemistry c.  17258-17265. 

muhammad asif a. khushaini, nur hidayah azeman, chin-hoong teh, rusli daik, ahmad ghadafi ismail, burhanuddin yeop majlis, muhammad mat salleh, wan ahmad hafiz wan md adnan, tg hasnan tg abdul aziz, ahmad ashrif a bakar, ahmad rifqi md zain.  (2022).  electrochemical metallization process on screen-printed electrode for creatinine monitoring application.  - ieee sensors journal.  9268-9275. 

yu chen, yaofei chen, weicheng shi, shiqi hu, qizhang huang, gui-shi liu, jifu shi, lei chen, nur hidayah azeman, ahmad ashrif a bakar, yunhan luo, zhe chen..  (2022).  mos2-nanoflower enhanced programmable adsorption/desorption plasmonic detection for bipolar-molecules with high sensitivity.  - biosensors and bioelectronics.  1-7. 

nur hidayah azeman, mohd hafiz abu bakar, nur afifah ahmad nazri, nadhratun naiim mobarak, muhammad asif ahmad khushaini, tengku hasnan tengku abdul aziz, ahmad rifqi md zain, ahmad ashrif a. bakar.  (2022).  carboxymethyl chitosan/graphene oxide/silver nanotriangles nanohybrid as the sensing materials for the enhancement of ammonia localized surface plasmon resonance sensor.  - optics and laser technology.  1-12. 

nur afifah ahmad nazri , nur hidayah azeman , mohd hafiz abu bakar, nadhratun naiim mobarak,yunhan luo, norhana arsad , tg hasnan tg abd aziz, ahmad rifqi md zain, ahmad ashrif a. bakar.  (2022).  localized surface plasmon resonance decorated with carbon quantum dots and triangular ag nanoparticles for chlorophyll detection.  - nanomaterials.  1-12. 

nur afifah ahmad nazri, nur hidayah azeman, mohd hafiz abu bakar, nadhratun naiim mobarak, tg hasnan tg abd aziz, ahmad rifqi md zain, norhana arsad, yunhan luo and ahmad ashrif a. bakar.  (2022).  chlorophyll detection by localized surface plasmon resonance using functionalized carbon quantum dots triangle ag nanoparticles.  - nanomaterials.  1-11. 

muhammad asif ahmad khushaini, nur hidayah azeman, ahmad ghadafi ismail, chin hoong teh, muhammad mat salleh, ahmad ashrif a. bakar, tg hasnan tg abdul aziz, ahmad rifqi md zain.  (2021).  high stability resistive switching mechanism of a screen printed electrode based on bobzbt2 organic pentamer for creatinine detection.  - scientific reports.  1-11. 

muhammad kashif, mohd hadri hafiz mokhtar, nur hidayah azeman, fazida hanim hashim, norhana arsad, abdulfatah a.g. abushagur, ahmad ashrif a. bakar.  (2021).  phase-interrogated surface plasmon resonance sensor based on laser feedback interferometry.  - optics and lasers in engineering.  1-7. 

nur afifah ahmad nazri, nur hidayah azeman, yunhan luo, ahmad ashrif a bakar.  (2021).  carbon quantum dots for optical sensor applications: a review.  - optics and laser technology.  1-14. 

nur hidayah azeman, muhammad asif ahmad khushaini, rusli daik, ahmad ghadafi ismail, burhanuddin yeop majlis, muhammad mat salleh, tg hasnan tg abdul aziz, ahmad ashrif a bakar, ahmad rifqi md zain, chin-hoong teh.  (2021).  synthesis of a 1,4-bis[2-(5-thiophen-2-yl)-1-benzothiophene]-2,5- dioctyloxybenzene pentamer for creatinine detection.  - asian journal of organic chemistry.  2406-2417. 

mohd hafiz abu bakar, nur hidayah azeman, nadhratun naiim mobarak, mohd hadri hafiz mokhtar, ahmad ashrif a bakar.  (2020).  effect of active site modification towards performance enhancement in biopolymer k-carrageenan derivatives.  - polymers.  1-13. 

gui-shi liu, xin xiong, shiqi hu, weicheng shi, yaofei chen, wenguo zhu, huadan zheng, jianhui yu, nur hidayah azeman, yunhan luo, zhe chen.  (2020).  photonic cavity enhanced high-performance surface plasmon resonance biosensor.  - photonics research.  448-456. 

shiqi hu, yaofei chen, yu chen, lei chen, huadan zheng, nur hidayah azeman, mingxian liu, gui-shi liu, yunhan luo and zhe chen.  (2020).  high-performance fiber plasmonic sensor by engineering the dispersion of hyperbolic metamaterials composed of ag/tio2.  - optics express.  25562-25573. 

nur hidayah azeman, norhana arsad and ahmad ashrif a bakar.  (2020).  polysaccharides as the sensing material for metal ion detection-based optical sensor applications.  - sensors.  1-22. 

nurul fariha lokman, nur hidayah azeman, fatihah suja', norhana arsad and ahmad ashrif a bakar.  (2019).  sensitivity enhancement of pb(ii) ion detection in rivers using spr-based ag metallic layer coated with chitosan-graphene oxide nanocomposite.  - sensors.  1-17. 

atiqah yusoff, nur hidayah azeman, muhammad faizal mohamed kassim, nadhratun naiim mobarak, khairiah haji badri, mohd adzir mahdi, mohd sukor su'ait and ahmad ashrif a. bakar.  (2019).  bio-based polycationic polyurethane as an ion-selective membrane for nitrate tapered optical fiber sensor.  - ieee access.  15710-15711. 

wan baihaqi wan ab rahman, nur hidayah azeman,nur hasiba kamaruddin, p susthitha menon, arafat a shabaneh, mohd adzir mahdi, mohd hadri hafiz mokhtar, norhana arsad, ahmad ashrif a bakar.  (2019).  label-free detection of dissolved carbon dioxide utilizing multimode tapered optical fiber coated zinc oxide nanorice.  - ieee access.  . 

suraya abdullah, nur hidayah azeman, nadhratun naiim mobarak, mohd saiful dzulkefly zan, ahmad ashrif a. bakar.  (2018).  sensitivity enhancement of localized spr sensor towards pb(ii) ion detection using natural bio-polymer based carrageenan.  - optik.  . 

m. m. elgaud, ahmad ashrif a bakar, abdulfatah abushagur ghaith, nani fadzlina naim, norhana arsad, mohd hadri hafiz mokhtar, nur hidayah azeman, mohd saiful dzulkefly zan.  (2018).  pulse compressed time domain multiplexed fiber bragg grating sensor: a comparative study.  - ieee access.  . 

sarada idris, nur hidayah azeman, noor azwen noor azmy, chantara thevy ratnam, mohd adzir mahdi and ahmad ashrif a. bakar.  (2018).  gamma irradiated py/pva for gox immobilization on tapered optical fiber for glucose biosensing.  - sensors and actuators b: chemical.  . 

fareeza jasmi, nur hidayah azeman, ahmad ashrif a. bakar, mohd saiful dzulkefly zan, khairiah haji badri, mohd sukor su'ait.  (2018).  ionic conductive polyurethane-graphene nanocomposite for performance enhancement of optical fiber bragg grating temperature sensor.  - ieee access.  .