muhammad qayyum othman, nur hidayah azeman, mohd hafiz abu bakar, nur afifah ahmad nazri, nadhratun naiim mobarak, retna apsari, ahmad ashrif a. bakar.  (2026).  simultaneous dual detection of total chlorine in oil matrices via quantum dot-based lspr.  - journal of materials chemistry c.  3292 - 3305. 

mohd hafiz abu bakar, wan mohd ebtisyam mustaqim mohd daniyal, muhammad qayyum othman, athiyah sakinah masran, nur hidayah azeman, muhammad asif ahmad khushaini, retna apsari, mohd adzir mahdi, mohammed thamer alresheedi, fairuz abdullah, ahmad ashrif a. bakar.  (2026).  thermally tuned long-range surface plasmon resonance sensor for in situ detection of oil mixture in edible oils.  - sensors and actuators: a. physical.  1 - 9. 

abdulfatah a. g. abushagur, mohd ridzuan mokhtar, zulfadzli yusoff, siti azlida ibrahim, ahmad ashrif a. bakar, andre franzen.  (2026).  design and simulation of a novel multi-diaphragm cable for distributed pressure sensing in oil and gas applications.  - journal of petroleum exploration and production technology.  1 - 18. 

nur hidayah azeman, adhitya gandaryus saputro, nur afifah ahmad nazri, nadhratun naiim mobarak, mohd hafiz abu bakar, wan mohd ebtisyam mustaqim mohd daniyal, ahmad rifqi md zain, brian yuliarto, ahmad ashrif a. bakar..  (2026).  modulating evanescent-field transduction via interfacial zif-8/carbon quantum dot hybridisation for spr sensing.  - sensors and actuators: a. physical.  1 - 11. 

fazliyana 'izzati za'abar, pei fern ooi, nur hidayah azeman, muhammad faizul hadi abu kasim, mohd norzaliman mohd zain, ahmad ashrif a. bakar, mohd hadri hafiz mokhtar.  (2026).  objective quantification of free fatty acids in edible oils using rgb sensor-based multi-wavelength colourimetric titration.  - journal of the science of food and agriculture.  4926 - 4941. 

maamon a. farea, n. yusof, mohammad n. murshed, hamed y. mohammed, a. al ojeery, doaa abdelhameed, ahmad ashrif a. bakar.  (2026).  rapid and sensitive carbon monoxide detection using novel sno2/pedot-pss nanocomposite gas sensors.  - polymer bulletin.  1 - 21. 

nur hidayah azeman, naveed zafar ali, azween hadiera hishamuddin, nur afifah ahmad nazri, mohd hafiz abu bakar, maizatul zolkapli, ahmad rifqi md zain, ahmad ashrif a. bakar.  (2026).  tailoring co2 adsorption through dual-framework integration of zif-7/zif-67 composites.  - journal of materials science.  32838 - 32851. 

mohd hafiz abu bakar, muhammad qayyum othman, nur hidayah azeman, nadhratun naiim mobarak, wan mohd ebtisyam mustaqim mohd daniyal, muhammad asif ahmad khushaini, retna apsari, fairuz abdullah, ahmad ashrif a. bakar .  (2025).  augmenting long range spr sensitivity with quantum dots-agnp-pva layer for methylene blue detection.  - sensors and actuators a: physical.  1 - 9. 

mohd hafiz abu bakar, muhammad qayyum othman, nur hidayah azeman, nadhratun naiim mobarak, wan mohd ebtisyam mustaqim mohd daniyal, fairuz abdullah, ahmad ashrif a bakar.  (2025).  visible wavelength interrogation of kretschmann based spr spectroscopy using polymeric zno quantum dot layer for chloride detection.  - spectrochimica acta part a: molecular and biomolecular spectroscopy.  1 - 10. 

athiyah sakinah masran, nur hidayah azeman, wan mohd ebtisyam mustaqim mohd daniyal, mohd hafiz abu bakar, nur afifah ahmad nazri, rozita sulaiman, muhammad rahimi yusop, ahmad rifqi md zain & ahmad ashrif a bakar.  (2025).  sensitivity improvement of creatinine detection based on functionalized carbon dots and silver nanotriangular localized surface plasmon resonance.  - plasmonics.  1 - 10. 

azween hadiera hishamuddin, ahmad sabirin zoolfakar, nur hidayah azeman, mohd hafiz abu bakar, fairuz abdullah, wan mohd ebtisyam mustaqim mohd daniyal, ahmad ashrif a. bakar, maizatul zolkapli.  (2025).  independent emission spectra of different fluorescent dyes based quasi-distributed polymer optical fiber surface plasmon resonance sensors.  - spectrochimica acta part a: molecular and biomolecular spectroscopy.  1 - 12. 

mohd hafiz abu bakar, muhammad qayyum othman, nur hidayah azeman, nadhratun naiim mobarak, wan mohd ebtisyam mustaqim mohd daniyal, muhammad asif ahmad khushaini , retna apsari, fairuz abdullah, ahmad ashrif a. bakar.  (2025).  oil contaminant detection using long-range surface plasmon resonance-based sensors.  - microchemical journal.  1 - 7. 

muhammad asif ahmad khushaini, basyirah zulkifli, ahmad ashrif a bakar, tg hasnan tg abdul aziz, ahmad rifqi md zain.  (2025).  the underlying nonlinear dynamics of strong coupling via entangled dark states.  - chaos, solitons and fractals.  1 - 9. 

abdulfatah a. g. abushagur, zulfadzli yusoff, siti azlida ibrahim, mohd ridzuan mokhtar, ahmad ashrif a. bakar.  (2025).  single optical fiber with dual fbg sensors: simplifying 2-dof force sensing in minimally invasive surgery.  - ieee transactions on instrumentation and measurement.  1 - 17. 

wan mohd ebtisyam mustaqim mohd daniyal, ahmad ashrif a. bakar, mohd hafiz abu bakar, nur hidayah azeman, yap wing fen, mohammed thamer alresheedi, mohd adzir mahdi.  (2025).  optimized potassium ion detection using angular interrogation spr enhanced by multiwalled carbon nanotube-nanocrystalline cellulose.  - photonic sensors.  1 - 13. 

muhammad qayyum othman, mohd hafiz abu bakar, nur hidayah azeman, nadhratun naiim mobarak, ahmad ashrif a. bakar.  (2025).  quantum dot-enhanced localized plasmonic detection of chloride ions in lipid-based medium.  - ieee sensors journal.  33748 - 33755. 

nurul izzah zakaria, nur afifah ahmad nazri, nur hidayah azeman, muhammad asif ahmad khushaini, muhammad qayyum othman, mohd hafiz abu bakar, tengku hasnan tengku abdul aziz, mohd suzeren md jamil, ahmad rifqi md zain, ahmad ashrif a bakar..  (2025).  thiophene structure influences plasmonic creatinine sensing through molecular interaction and surface morphology.  - scientific reports.  1 - 10. 

azween hadiera hishamuddin, ahmad sabirin zoolfakar, nur hidayah azeman, mohd hafiz abu bakar, fairuz abdullah, wan mohd ebtisyam mustaqim mohd daniyal, ahmad ashrif a. bakar, maizatul zolkapli.  (2024).  integrative approach to fluorescence-based oxygen sensing in polymer optical fibers with surface plasmon resonance.  - sensors and actuators: a. physical.  1 - 12. 

mohammed jawad ahmed alathari, yousif al mashhadany, ahmad ashrif a. bakar, mohd hadri hafiz mokhtar, mohd saiful dzulkefly zan, norhana arsad.  (2024).  covid-19 igg antibodies detection based on cnn-bilstm algorithm combined with fiber-optic dataset.  - journal of virological methods.  1 - 13. 

yang sing leong, muhammad taqris bahari, mohd hadri hafiz mokhtar, mohd saiful dzulkefly zan, norhana arsad, ahmad ashrif a. bakar.  (2024).  optical fibre positioning and resonant frequency adjustment using intermittent optical feedback for pre-imaging calibration.  - sensors and actuators a: physical.  1 - 10. 

muhammad asif ahmad khushaini, nur hidayah azeman, tg hasnan tg abdul aziz, ahmad ashrif a. bakar, ahmad rifqi md zain.  (2024).  harnessing quantum plexcitons for enhanced sensitivity and selectivity of creatinine sensor.  - sensors and actuators: b. chemical.  1-9. 

mohd hafiz abu bakar, nur hidayah azeman, nadhratun naiim mobarak, nur afifah ahmad nazri, wan mohd ebtisyam mustaqim mohd daniyal, muhammad qayyum othman, fairuz abdullah, ahmad ashrif a. bakar.  (2024).  uv-vis spectroscopy for simple chloride content analysis in edible oil using charged amino-functionalized carbon quantum dots fluorophore reagent.  - spectrochimica acta part a: molecular and biomolecular spectroscopy.  1-8. 

yang sing leong, mohd hadri hafiz mokhtar, nur afifah ahmad nazri, mohd hafiz abu bakar, mohd saiful dzulkefly zan, norhana arsad, peer mohamed abdul, ahmad ashrif a. bakar.  (2024).  discriminative spatial localisation in confocal reflectance and carbon dots-based fluorescence imaging using mixed-mode endoscopic scanner.  - international journal of optomechatronics.  1-19. 

yang sing leong, mohd hadri hafiz mokhtar, mohd saiful dzulkefly zan, norhana arsad, farinawati yazid, ahmad ashrif a. bakar.  (2024).  enhancement of in-vitro cellular structure morphology imaging using multiwavelength confocal endoscopic scanner.  - alexandria engineering journal.  14-24. 

amith khandakar, md. ahasan atick faisal, muhammad e. h. chowdhury, mamun bin ibne reaz, sawal hamid md ali, mohd ibrahim shapiai abd. razak, ahmad ashrif a. bakar, sakib mahmud, rayaz a. malik.  (2024).  laser-induced graphene-based smart insole to measure plantar temperature.  - ieee sensors journal.  1190-1199. 

moajjem hossain chowdhury, muhammad e.h. chowdhury, mamun bin ibne reaz, sawal hamid md ali, seyed mehdi rakhtala, m. murugappan, sakib mahmud, nazmul islam shuzan, ahmad ashrif a. bakar, mohd ibrahim bin shapiai, muhammad salman khan, amith khandakar.  (2024).  lgi-rppg-net: a shallow encoder-decoder model for rppg signal estimation from facial video streams.  - biomedical signal processing and control.  1-12. 

a. e. hamzah, a. a. a. bakar, m. m. fadhel, n. mohamad sapiee, m. m. elgaud, m. e. hamzah, a. s. k. almoosa, n. f. naim, m. h. h. mokhtar, s. h. md ali, n. arsad, m. s. d. zan.  (2024).  advancing the measurement speed and accuracy of conventional botda fiber sensor systems via soc data acquisition.  - optical fiber technology.  1-11. 

abdulwahhab essa hamzah, mohd saiful dzulkefly zan, mustafa essa hamzah, mahmoud muhanad fadhel, nurfarhana mohamad sapiee, ahmad ashrif a. bakar.  (2024).  fast and accurate measurement in botda fiber sensor through the application of filtering techniques in frequency and time domains.  - ieee sensors journal.  4531-4541. 

wan mohd ebtisyam mustaqim mohd daniyal, yap wing fen, jaafar abdullah, ahmad ashrif a. bakar, mohd adzir mahdi.  (2024).  sensitive and selective cu2 detection via surface plasmon resonance using ionophore decorated nanocrystalline cellulose-graphene oxide thin film.  - sensors and actuators a. physical.  1-11. 

nur afifah ahmad nazri, nur hidayah azeman, mohd hafiz abu bakar, nadhratun naiim mobarak, athiyah sakinah masran, ahmad rifqi md zain, mohd adzir mahdi, adhitya gandaryus saputro, triati dewi kencana wung, yunhan luo, ahmad ashrif a bakar.  (2024).  polymeric carbon quantum dots as efficient chlorophyll sensor-analysis based on experimental and computational investigation..  - optics and laser technology.  1-11. 

rozita sulaiman, nur hidayah azeman, mohd hadri hafiz mokhtar, nadhratun naiim mobarak, mohd hafiz abu bakar, ahmad ashrif a. bakar.  (2024).  hybrid ensemble-based machine learning model for predicting phosphorus concentrations in hydroponic solution.  - spectrochimica acta part a: molecular and biomolecular spectroscopy.  1-11. 

mohd hafiz abu bakar, nur hidayah azeman, nadhratun naiim mobarak, nur afifah ahmad nazri, wan mohd ebtisyam mustaqim mohd daniyal, mohd saiful dzulkefly zan, mohd adzir mahdi, ahmad rifqi md zain, ruchi gupta, fairuz abdullah, ahmad ashrif a. bakar.  (2024).  real-time cationic sensing using plasmonic fiber optic sensor based phosphoryl-carrageenan.  - sensors and actuators: a. physical.  1 - 10. 

nur hidayah azeman, ahmad rifqi md zain, wan mohd ebtisyam mustaqim mohd daniyal, mohd suzeren md jamil, mohd hafiz abu bakar, nur afifah ahmad nazri, muhammad asif ahmad khushaini, mohd hadri hafiz mokhtar, ahmad ashrif a. bakar .  (2024).  zeolitic imidazolate frameworks enhanced surface plasmon resonance sensor for organic dyes sensing.  - ieee sensors journal.  25617 - 25626. 

md nakib hayat chowdhury, mamun bin ibne reaz, sawal hamid md ali, mari´a liz crespo, andre´ s cicuttin, shamim ahmad, fahmida haque, ahmad ashrif a. bakar, mohd ibrahim bin shapiai abd razak, mohammad arif sobhan bhuiyan.  (2024).  machine learning algorithms for predicting the risk of chronic kidney disease in type 1 diabetes patients: a retrospective longitudinal study.  - neural computing and applications.  16545 - 16565. 

md nazmul islam shuzan, muhammad e.h. chowdhury, mamun bin ibne reaz, amith khandakar, farhan fuad abir, md. ahasan atick faisal, sawal hamid md ali, ahmad ashrif a. bakar, moajjem hossain chowdhury, zaid b. mahbub, m. monir uddin, mohammed alhatou.  (2023).  machine learning-based classification of healthy and impaired gaits using 3d-grf signals.  - biomedical signal processing and control.  1-13. 

fahmida haque, mamun b. i. reaz, muhammad e. h. chowdhury, mohd ibrahim bin shapiai, rayaz a. malik, mohammed alhatou, syoji kobashi, iffat ara, sawal h. m. ali, ahmad a. a. bakar, and mohammad arif sobhan bhuiyan.  (2023).  a machine learning-based severity prediction tool for the michigan neuropathy screening instrument.  - diagnostics.  1-16. 

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. 

bakr ahmed taha, qussay al-jubouri, yousif al mashhadany, mohd hadri hafiz mokhtar, mohd saiful dzulkefly bin zan, ahmad ashrif a. bakar and norhana arsad.  (2023).  density estimation of sars-cov2 spike proteins using super pixels segmentation technique.  - applied soft computing.  10210-10220. 

amith khandakar, muhammad chowdhury, mamun ibne reaz, serkan kiranyaz, anwarul hasan, tawsifur rahman, sawal hamid ali, mohd ibrahim shapiai abd. razak, ahmad ashrif bakar, kanchon kanti podder, moajjem hossain chowdhury, ahasan atick faisal, rayaz malik.  (2023).  dspnet: a self-onn model for robust dspn diagnosis from temperature maps.  - ieee sensors journal.  5370-5381. 

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. 

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. 

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. 

amith khandakar, muhammad e. h. chowdhury, mamun bin ibne reaz, sawal hamid md ali, tariq o. abbas , tanvir alam, mohamed arselene ayari, zaid b. mahbub, rumana habib, tawsifur rahman, anas m. tahir, ahmad ashrif a. bakar and rayaz a. malik.  (2022).  thermal change index based diabetic foot thermogram image classification using machine learning techniques.  - sensors.  1-17. 

md. shafayet hossain, mamun ibne reaz, muhammad e. h. chowdhury, sawal h. m. ali, ahmad ashrif a. bakar, serkan kiranyaz, amith khandakar, mohammed alhatou, rumana habib.  (2022).  motion artifacts correction from eeg and fnirs signals using novel multiresolution analysis.  - ieee access.  29760-29777. 

nur dalilla nordin, fairuz abdullah, mohd saiful dzulkefly zan, ahmad ashrif a bakar, anton i. krivosheev, fedor l. barkov and yuri a. konstantinov.  (2022).  improving prediction accuracy and extraction precision of frequency shift from low-snr brillouin gain spectra in distributed structural health monitoring.  - sensors.  1-17. 

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. 

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. 

kh shahriya zaman, mamun bin ibne reaz, ahmad ashrif abu bakar, mohammad arif sobhan bhuiyan, norhana arsad, mohd hadri hafiz bin mokhtar, sawal hamid md ali.  (2022).  minimum signed digit approximation for faster and more efficient convolutional neural network computation on embedded devices.  - engineering science and technology, an international journal.  1-9. 

md shafayet hossain, muhammad e. h. chowdhury, mamun bin ibne reaz, sawal hamid md ali, ahmad ashrif a. bakar, serkan kiranyaz, amith khandakar, mohammed alhatou, rumana habib, muhammad maqsud hossain.  (2022).  motion artifacts correction from single-channel eeg and fnirs signals using novel wavelet packet decomposition in combination with canonical correlation analysis.  - sensors.  1-24. 

fahmida haque, mamun b. i. reaz, muhammad e. h. chowdhury, serkan kiranyaz, sawal h. m. ali, mohammed alhatou, rumana habib, ahmad a. a. bakar, norhana arsad, geetika srivastava.  (2022).  performance analysis of conventional machine learning algorithms for diabetic sensorimotor polyneuropathy severity classification using nerve conduction studies.  - computational intelligence and neuroscience.  1-13. 

fahmida haque, mamun bin ibne reaz, muhammad enamul hoque chowdhury, maymouna ezeddin, serkan kiranyaz, mohammed alhatou, sawal hamid md ali, ahmad ashrif a bakar, geetika srivastava.  (2022).  machine learning-based diabetic neuropathy and previous foot ulceration patients detection using electromyography and ground reaction forces during gait.  - sensors.  1-23. 

bakr ahmed taha, qussay al jubouri, yousif al mashhadany, mohd saiful dzulkefy bin zan, ahmad ashrif a. bakar, mahmoud muhanad fadhel and norhana arsad.  (2022).  photonics enabled intelligence system to identify sars cov 2 mutations.  - applied microbiology and biotechnology.  1-16. 

amith khandakar, muhammad e. h. chowdhury, mamun bin ibne reaz, sawal hamid md ali, serkan kiranyaz, tawsifur rahman, moajjem hossain chowdhury, mohamed arselene ayari, rashad alfkey, ahmad ashrif a. bakar, rayaz a. malik, anwarul hasan.  (2022).  a novel machine learning approach for severity classification of diabetic foot complications using thermogram images.  - sensors.  1-23. 

yang sing leong, mohd hadri hafiz mokhtar, amirul asyraf zukhri, mohd saiful dzulkefly zan, norhana arsad, mamun b.i. reaz, ahmad ashrif a. bakar.  (2022).  frequency-phase shift correction of interlaced lissajous trajectories for precise imaging in endoscopic scanning microscopy.  - optics and lasers in engineering.  1-10. 

mohd saiful dzulkefly zan, ahmed sabri kadhim almoosa, mohd faisal ibrahim, mohamed m. elgaud, abdulwahhab essa hamzah, norhana arsad, mohd hadri hafiz mokhtar, ahmad ashrif a. bakar.  (2022).  the effect of pulse duration on the brillouin frequency shift accuracy in the differential cross-spectrum botdr (dcs-botdr) fiber sensor.  - optical fiber technology.  1-8. 

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. 

nakib hayat chowdhury, mamun bin ibne reaz, sawal hamid md ali, shamim ahmad, maría liz crespo, andrés cicuttin, fahmida haque, ahmad ashrif a. bakar and mohammad arif sobhan bhuiyan.  (2022).  nomogram-based chronic kidney disease prediction model for type 1 diabetes mellitus patients using routine pathological data.  - journal of personalized medicine.  1-15. 

amith khandakar, sakib mahmud, muhammad e. h. chowdhury, mamun bin ibne reaz, serkan kiranyaz, zaid bin mahbub, sawal hamid md ali, ahmad ashrif a. bakar, mohamed arselene ayari, mohammed alhatou, mohammed abdul-moniem.  (2022).  design and implementation of a smart insole system to measure plantar pressure and temperature.  - sensors.  1-18. 

kh shahriya zaman, mamun bin ibne reaz, sawal hamid md ali, ahmad ashrif a bakar, muhammad enamul hoque chowdhury.  (2022).  custom hardware architectures for deep learning on portable devices: a review.  - ieee transactions on neural networks and learning systems.  6068-6088. 

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 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. 

abdulfatah a. g. abushagur, norhana arsad, and ahmad ashrif a. bakar.  (2021).  cantilever beam with a single fiber bragg grating to measure temperature and transversal force simultaneously.  - sensors.  1-13. 

fahmida haque, mamun bin ibne reaz, muhammad enamul hoque chowdhury, geetika srivastava, sawal hamid md ali, ahmad ashrif a bakar, and mohammad arif sobhan bhuiyan.  (2021).  performance analysis of conventional machine learning algorithms for diabetic sensorimotor polyneuropathy severity classification.  - diagnostics.  1-13. 

mohamed m. elgaud, mohd saiful dzulkefly zan, abdulfatah a. g. abushagur, abdulwahhab e. hamzah, mohd hadri hafiz mokhtar, norhana arsad and ahmad ashrif a. bakar.  (2021).  digital filtering techniques for performance improvement of golay coded tdm-fbg sensor.  - sensors.  1-14. 

bakr ahmed taha, yousif al mashhadany, nur nadia bachok, ahmad ashrif a bakar, mohd hadri hafiz mokhtar, mohd saiful dzulkefly zan, norhana arsad.  (2021).  detection of covid-19 virus on surfaces using photonics: challenges and perspectives.  - diagnostics.  1-17. 

abdulfatah a. g. abushagur, norhana arsad, mohamed m. elgaud, ahmad ashrif a. bakar.  (2021).  evaluation of a novel spectral pair of a chirp fbg embedded in a cantilever beam for simultaneous temperature and transverse forces measurement.  - ieee access.  7701-7709. 

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. 

amith khandakar, muhammad e.h. chowdhury, mamun bin ibne reaz, sawal hamid md ali, md anwarul hasan, serkan kiranyaz, tawsifur rahman, rashad alfkey, ahmad ashrif a. bakar, rayaz a. malik.  (2021).  a machine learning model for early detection of diabetic foot using thermogram images.  - computers in biology and medicine.  1-10. 

yang sing leong, mohd hadri hafiz mokhtar, mohd saiful dzulkefly zan, norhana arsad, mamun ibne reaz, ahmad ashrif a. bakar.  (2021).  optical-mechanical configuration of imaging operation for endoscopic scanner: a review.  - ieee access.  32705-32722. 

fahmida haque, mamun bin ibne reaz, muhammad e.h. chowdhury, sawal hamid md ali, ahmad ashrif a bakar, tawsifur rahman, syoji kobashi, chitra a. dhawale, mohammad arif sobhan bhuiyan.  (2021).  a nomogram-based diabetic sensorimotor polyneuropathy severity prediction using michigan neuropathy screening instrumentations.  - computers in biology and medicine.  1-11. 

nakib hayat chowdhury, mamun bin ibne reaz, fahmida haque, shamim ahmad, sawal hamid md ali, ahmad ashrif a bakar, mohammad arif sobhan bhuiyan.  (2021).  performance analysis of conventional machine learning algorithms for identification of chronic kidney disease in type 1 diabetes mellitus patients.  - diagnostics.  1-17. 

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. 

rabindra gandhi thangarajoo, mamun bin ibne reaz, geetika srivastava, fahmida haque, sawal hamid md ali, ahmad ashrif a. bakar and mohammad arif sobhan bhuiyan.  (2021).  machine learning-based epileptic seizure detection methods using wavelet and emd-based decomposition techniques: a review.  - sensors.  1-34. 

mohammed jawad ahmed alathari,yousif al mashhadany,mohd hadri hafiz mokhtar,norhafizah burham, mohd saiful dzulkefly bin zan,ahmad ashrif a bakar, norhana arsad.  (2021).  human body performance with covid-19 affectation according to virus specification based on biosensor techniques.  - sensors.  1-26. 

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. 

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. 

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.  . 

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. 

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. 

mohamed m. elgaud, mohd saiful dzulkefly zan, abdulfatah abushagur ghaith, ahmad ashrif a. bakar, norhana arsad, nani fadzlina naim and mohd hadri hafiz mokhtar.  (2019).  improving the signal-to-noise ratio of time domain fiber bragg grating sensor based on hybrid simplex and golay coding technique.  - ieee access.  89-98. 

abdulfatah a. g. abushagur, norhana arsad, mohamed m. elgaud, ahmad ashrif a bakar.  (2019).  development of a 1-dof force sensor prototype incorporating tapered fiber bragg grating for microsurgical instruments.  - ieee access.  16852. 

abedini, a., saraji, m., bakar, a.a.a., susthitha menon, p., shaari, s..  (2018).  gamma-radiation-assisted synthesis of luminescent zno/ag heterostructure core-shell nanocomposites.  - plasmonics.  . 

nani fadzlina naim, a. ashrif a. bakar, mohammad syuhaimi ab-rahman.  (2018).  fault identification and localization for ethernet passive optical network using l-band ase source and various types of fiber bragg grating.  - optical fiber technology.  159-164. 

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.  . 

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.  . 

noor azwen noor azmy, ahmad ashrif a bakar, norhana arsad, sarada idris, abdul rahman mohmad, aidil abdul hamid.  (2017).  enhancement of zno-rgo nanocomposite thin films by gamma radiation for e. coli sensor.  - applied surface science.  1134-1143. 

sarada idris, ahmad ashrif a bakar, nur hasiba kamaruddin, sahbudin shaari.  (2017).  influence of gamma irradiation on polymerization of pyrrole and glucose oxidase immobilization onto poly (pyrrole)/poly (vinyl alcohol) matrix.  - applied surface science.  118-158. 

mohamed elgaud, mohd saiful dzulkefly zan, abdulfatah abushagur, ahmad ashrif a. bakar.  (2017).  improvement of signal to noise ratio of time domain mutliplexing fiber bragg grating sensor network with golay complementary codes.  - optical fiber technology.  447-453. 

nur hasiba kamaruddin, ahmad ashrif a bakar,nadhratun naiim mobarak, mohd saiful dzulkefly zan, norhana arsad.  (2017).  binding affinity of a highly sensitive au/ag/au/chitosan-graphene oxide sensor based on direct detection of pb2+ and hg2+ ions.  - sensors.  1-16. 

nani fadzlina naim, a. ashrif a. bakar, mohammad syuhaimi ab-rahman.  (2016).  real-time monitoring in passive optical access networks using l-band ase and varied bandwidth and reflectivity of fiber bragg gratings.  - optics & laser technology.  45-51. 

nur hasiba kamaruddin, ahmad ashrif a. bakar, mohd hanif yaacob, mohd adzir mahdi, mohd saiful dzulkefly zan, sahbudin shaari.  (2016).  enhancement of chitosan-graphene oxide spr sensor with a multi-metallic layers of au-ag-au nanostructure for lead(ii) ion detection.  - applied surface science.  177-184. 

m. mosleh e. abu samak, a. ashrif a. bakar, muhammad kashif and mohd saiful dzulkefly zan.  (2016).  comprehensive numerical analysis of finite difference time domain methods for improving opticalwaveguide sensor accuracy.  - sensors-basel.  1-16. 

abedini, a., bakar, a.a.a., larki, f., menon, p.s., islam, m.s. & shaari, s..  (2016).  recent advances in shape-controlled synthesis of noble metal nanoparticles by radiolysis route.  - nanoscale research letters.  1-13. 

abushagur, a.a.g., bakar, a.a.a., zan, m.s.d.b. and arsad, n..  (2016).  a novel technique employing tapered fiber bragg grating to solve the axial/transverse forces crosstalk in microsurgical instruments.  - ieee sensors journal.  7671-7680. 

shabaneh, a.a., girei, s.h., arasu, p.t., rahman, w.b.w.a., bakar, a.a.a., sadek, a.z., lim, h.n., huang, n.m., yaacob, m.h..  (2014).  reflectance response of tapered optical fiber coated with graphene oxide nanostructured thin film for aqueous ethanol sensing.  - optics communications.  320-324. 

muhammad kashif, ahmad ashrif a. bakar, norhana arsad and sahbudin shaari.  (2014).  development of phase detection schemes based on surface plasmon resonance using interferometry.  - sensors.  15914-15937. 

russell kliese, thomas taimre, a. ashrif a. bakar, yah leng lim, karl bertling, milan nikolic, julien perchoux, thierry bosch, and aleksandar d. rakic.  (2014).  solving self-mixing equations for arbitrary feedback levels: a concise algorithm.  - applied optics.  53(17):3723-3736. 

abdulfatah a.g. abushagur, norhana arsad, mamun ibne reaz and a. ashrif a. bakar.  (2014).  advances in bio-tactile sensors for minimally invasive surgery using the fibre bragg grating force sensor technique: a survey.  - sensors (basel).  14(4): 6633-6665. 

nurul fariha lokman, ahmad ashrif a. bakar, fatihah suja, huda abdullah,wan baihaqi wan ab rahman, nay-ming huang, mohd hanif yaacob.  (2014).  highly sensitive spr response of au/chitosan/graphene oxide nanostructured thin films toward pb (ii) ions.  - sensors and actuators b: chemical.  195: 459-46. 

rubana h. chowdhury, mamun b. i. reaz, mohd alauddin bin mohd ali, ashrif a. a. bakar, k. chellappan, t. g. chang.  (2013).  surface electromyography signal processing and classification techniques.  - sensors.  13(9):12431-12466. 

nani fadzlina naim, mohammad syuhaimi ab-rahman, hesham a. bakarman and ahmad ashrif a. bakar.  (2013).  real-time monitoring in passive optical networks using a superluminescent led with uniform and phase-shifted fiber bragg gratings.  - journal of optical communications and networking.  5(12):1425-1430. 

n. a. m. ahmad hambali, m. h. al-mansoori, m. ajiya, a. a. a. bakar, s. hitam and m. a. mahdi.  (2011).  multi-wavelength brillouin-raman ring-cavity fiber laser with 22-ghz spacing.  - laser physics.  21(9):1656-1660. 

a. r. sarmani, m. h. abu bakar, a. a. a. bakar, f. r. mahamd adikan, and m. a. mahdi.  (2011).  spectral variations of the output spectrum in a random distributed feedback raman fiber laser.  - optics express.  19(15):14152-59.