syahidah nabila rosli, norinsan kamil othman, ahmad rifqi md zain.  (2023).  kajian terhadap eis dan kaedah kehilangan berat: novel perencat kakisan hijau daripada ekstrak etlingera elatior.  - sains malaysiana.  2323-2336. 

mona ebadi, nurul asikin-mijan, mohd suzeren md. jamil, anwar iqbal, emad yousif, ahmad rifqi md zain, tengku hasnan tengku aziz, muhammad rahimi yusop.  (2023).  palladium nanoparticles on chitosan-coated superparamagnetic manganese ferrite: a biocompatible heterogeneous catalyst for nitroarene reduction and allyl carbamate deprotection.  - polymers.  1-18. 

a.j.a. al-nidawi, k.a. matori, m.h.m. zaid, j.y.c. liew, m.a.a. khushaini, a.r.m. zain, w.r.m. mutage , m.a.m. abuallan, a.m.e. efa.  (2023).  enhancement of elastic properties and surface plasmon resonance with the addition of boron oxide to the zno sio2 glass system.  - journal of non-crystalline solids.  1-10. 

lita rahmasari, mohd faizol abdullah, ahmad rifqi md zain, abdul manaf hashim.  (2023).  highly sensitive optofluidic sensor of 2d si phc l3 cavity for detection of glucose and bovine serum albumin.  - silicon.  1-11. 

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. 

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. 

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. 

n. b. khairulazdan, p. s. menon, a. r. md. zain, d. d. berhanuddin.  (2022).  optimization of photonic crystal structure by fdtd method to improve the light extraction efficiency in silicon.  - chalcogenide letter.  493-501. 

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. 

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. 

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. 

lilik hasanah , adryan ashidiq , roer eka pawinanto, budi mulyanti, chandra wulandari, wiendartun, ahmad rifqi md. zain.  (2022).  dimensional optimization of tio2 nanodisk photonic crystals on lead iodide (mapbi3) perovskite solar cells by using fdtd simulations.  - applied sciences.  1-9. 

muhammad hazwan haron, burhanuddin yeop majlis, ahmad rifqi md zain.  (2021).  increasing the quality factor (q) of 1d photonic crystal cavity with an end loop-mirror.  - photonics.  1-11. 

nor hidayah roslan, aziati h. awang, mohd hanapiah m. yusoff, ahmad rifqi md zain.  (2021).  comparison of lithium niobate and silicon substrate on phase shift and efficiency performance for mach-zehnder interferometer modulator.  - indonesian journal of electrical engineering and computer science.  352-360. 

mohamad hazwan haron, dilla duryha berhanuddin, burhanuddin yeop majlis, ahmad rifqi md. zain.  (2021).  double-peak one-dimensional photonic crystal cavity in parallel configuration for temperature self-compensation in sensing.  - applied optics.  1667-1673. 

muhammad ashraf saiful badri, noor farain md noor, ahmad rifqi md zain, muhamad matsalleh, tengku hasnan tengku abdul aziz.  (2021).  exfoliated graphene-alkaline lignin-pedot:pss composite as a transparent conductive electrode.  - nanomaterials and nanotechnology.  1-8. 

ummi kalsom noor din, muhamad mat salleh, tengku hasnan tengku aziz, ahmad rifqi md zain, mohd. ambri mohamed, akrajas ali umar.  (2021).  on the performance of polymer-inorganic perovskite oxide composite light-emitting diodes: the effect of perovskite srtio3 additives.  - nanomaterials and nanotechnology.  1-9. 

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 n. nawi, dilla d. berhanuddin, mohd a. mahdi, burhanuddin y. majlis, richard m. de la rue, ahmad r. md zain.  (2021).  performance reduction and discrepancies between supported and suspended 1d photonic-crystal/photonicwire with medium extended microcavity length.  - journal of nanophotonics.  1-9. 

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. 

mohd mustaqim rosli, tengku hasnan tengku abdul aziz, ahmad rifqi md zain, nabilah alias, nurul ain abd malek, nur adliha abdullah, siti khatijah md saad, akrajas ali umar.  (2020).  micro-strain effect on electronic properties in graphene induced by silver nanowires.  - physica e: low-dimensional systems and nanost.  1-6. 

ananda aransa, lilik hasanah, cahya julian, roni sumantri, harbi setyo nugroho, ahmad aminudin, roer eka pawinanto, ahmad rifqi md. zain, siti kudnie sahari, budi mulyanti.  (2020).  simulation microring resonator based on racetrack-shaped configuration for glucose sensing.  - journal of engineering science and technology.  2939-2949. 

rhonira latif, muhammad fahmi jaafar, mohd faizal aziz, ahmad rifqi md zain, jumril yunas, burhanuddin yeop majlis.  (2020).  influence of tantalum's crystal phase growth on the microstructural, electrical and mechanical properties of sputter-deposited tantalum thin film layer.  - international journal of refractory metals and hard materials.  1-14. 

lilik hasanah , harbi setyo nugroho , chandra wulandari , budi mulyanti , dilla duryha berhanuddin,mohamad hazwan haron, p. susthitha menon , ahmad rifqi md zain , ida hamidah , khairurrijal khairurrijal, rizalman mamat.  (2020).  enhanced sensitivity of microring resonator-based sensors using the finite difference time domain method to detect glucose levels for diabetes monitoring.  - applied science.  1-12. 

nur dalila mohd zamani , mohd nuriman nawi, dilla duryha berhanuddin , burhanuddin yeop majlis, ahmad rifqi md zain.  (2020).  design of 2d gan photonic crystal based on hole displacement for l3 cavity.  - nanomaterials and nanotechnology.  1-5. 

nur dalila mohd zamani, dilla duryha berhanuddin, burhanuddin yeop majlis, ahmad rifqi md zain.  (2020).  performance comparison between sapphire and sic as substrate for gan 2d photonic crystal.  - international journal of nanoelectronics and materials.  67-74. 

mohd syafiq faiz, kim s. siow, mf mohd razip wee, muhammad musoddiq jaafar, burhanuddin yeop majlis, ahmad rifqi md. zain.  (2020).  theoretical demonstration of elastic wave guiding in a pillar-based phononic crystal slab.  - international journal of nanoelectronics and materials.  83-90. 

mohd nuriman nawi, dilla duryha berhanuddin, jahariah sampe, burhanuddin yeop majlis, ahmad rifqi md zain.  (2020).  generation of multiple resonance wavelengths from one dimensional photonic crystal wire for nanoscopic wavelength division multiplexing system.  - international journal of nanoelectronics and materials.  91-98. 

mohamad hazwan haron, dilla duryha berhanuddin, burhanuddin yeop majlis, ahmad rifqi md zain.  (2020).  the design of monolithic integration of photonic crystal biosensor to si-ge pin photodetector on silicon photonics platform for compact biosensing system.  - international journal of nanoelectronics and materials.  203-214. 

musa ali albrni, jahariah sampe, sawal hamid md ali, ahmad rifqi md. zain.  (2020).  design of vd-ddcc for novel dual mode universal filter with grounded passive components.  - international journal of nanoelectronics and materials.  259-266. 

lilik hasanah, budi mulyanti, roer e. pawinanto, asep b. d. andiyanto, yuski m. r. faozan, arjuni b. pantjawati, harbi s. nugraha,ahmad r. md. zain, janulis p. purba.  (2020).  simulation of micro-ring resonator using finite difference time-domain technique for sensors.  - journal of engineering science and technology (jestec).  1267-1276. 

mohd syafiq faiz, mahmoud addouche, ahmad rifqi md zain,kim s. siow, amar chaalane, abdelkrim khelif.  (2020).  experimental demonstration of a multichannel elastic wave filter in a phononic crystal slab.  - applied sciences.  1-11. 

cahya julian, lilik hasanah, ananda aransa, roni sumantri, harbi setyo nugroho, ahmad aminudin, siti kudnie sahari, asep bayu dani nandiyanto, ahmad rifqi md zain, roer eka pawinanto, budi mulyanti.  (2020).  the effect of glucose concentration sample 0 - 1.50% on the quality factor of microring resonator.  - journal of engineering science and technology.  1639-1651. 

harbi setyo nugroho, lilik hasanah, chandra wulandari, roer eka pawinanto, mohamad hazwan haron, ahmad rifqi md zain, dilla duryha berhanuddin, budi mulyanti, preetpal singh, p. susthitha menon.  (2020).  silicon on insulator-based microring resonator and au nanofilm krestchmann-based surface plasmon resonance glucose sensors for lab-on-a-chip applications.  - international journal of nanotechnology.  1-13. 

j. husna, p. s. menon, p. chelvanathan, j. sampe, n. amin, s. k. tripathy, t. r. lenka, a. r. md. zain, m. a. mohamed.  (2020).  bandgap shifting and crystalline quality of rf-sputtered intrinsic-zno nanofilm for tfsc application.  - international journal of nanoelectronics and material.  1-10. 

saad hayatu girei , hong ngee lim, muhammad zamharir ahmad, mohd adzir mahdi, ahmad rifqi md zain, mohd hanif yaacob.  (2020).  high sensitivity microfiber interferometer sensor in aqueous solution.  - sensors.  1-9. 

p susthitha menon, nur akmar jamil, gan siew mei, ahmad rifqi md zain, daniel hewak, chung-che huang, mohd ambri mohamed, burhanuddin yeop majlis, ravi k. mishra, srinivasan raghavan, navakanta bhat.  (2020).  multilayer cvd-graphene and mos2 ethanol sensing and characterization using kretschmann-based spr.  - ieee journal of the electron devices society.  1227-1235. 

lita rahmasari, mohd faizol abdullah, ahmad rifqi md zain, abdul manaf hashim.  (2019).  silicon nanohole arrays fabricated by electron beam lithography and reactive ion etching.  - sains malaysiana.  1157-1161. 

haslinawati mohd mustapha, m.f. mohd razip wee, ahmad rifqi md zain, mohd ambri mohamed.  (2019).  characterization of graphene based capacitive microphone.  - sains malaysiana.  1201-1207. 

p.s. menon, fairus atida saad, siew mei gan, mohd ambri mohamed, ahmad rifqi md zain, sahbudin shaari, burhanuddin yeop majlis.  (2019).  high sensitivity au-based kretschmann surface plasmon resonance sensor for urea detection.  - sains malaysiana.  1179-1185. 

musab am al-tarawni, a ashrif a bakar, ahmad rifqi md zain, a tarawneh mou'ad, sahrim hj ahmad.  (2019).  enhancing the performance of strip and 180 degree slot waveguide bends for integrated optical waveguide modulator.  - optical engineering.  1-9. 

n. nawi, b. y. majlis, m. a. mahdi, r. m. de la rue, m. loncar and a. r. md zain.  (2018).  enhancement and reproducibility of high quality factor, one-dimensional photonic crystal/photonic wire (1d phc/phw) microcavities.  - journal of european optical society - rapid publications.  1-9. 

k.y. lau, m.h. abu bakar , a.r. md zain , a.f. abas , m.t. alresheedi , m.a. mahdi.  (2018).  stable multi-wavelength erbium-doped fiber laser assisted by graphene/pmma thin film.  - optics and laser technology.  129-134. 

nor akmar mohd yahya, mohd rashid yusof hamid, siti azlida ibrahim, boon hoong ong, norizah abdul rahman, ahmad rifqi md zain, mohd adzir mahdi, mohd hanif yaacob.  (2017).  h2 sensor based on tapered optical fiber coated with mno2 nanostructures.  - journal of sensors and actuators b : chemical.  421-427. 

musab am al-tarawni, a ashrif a bakar, ahmad rifqi md zain, a tarawneh mou`ad, sahrim hj ahmad.  (2017).  improvement of integrated electric field sensor based on hybrid segmented slot waveguide.  - optical engineering.  1-15. 

musab a. m. al-tarawni, a. ashrif a. bakar, ahmad rifqi md zain, mouad a. tarawneh and sahrim hj. ahmad.  (2017).  optimizing an integrated waveguide modulator for sensitive low-frequency alternating-current electric-field sensors.  - optical engineering.  1-8. 

masih ghasemi, pankaj k. choudhury, muhammad abuzar baqir, mohd ambri mohamed, ahmad rifqi md. zain, and burhanuddin yeop majlis.  (2017).  metamaterial absorber comprised of chromium-gold nanorods-based columnar thin films.  - journal of nanophotonics.  1-10. 

razip wee, m.f.m, addouche m., siow, k.s., md zain, a.r., elayouch, a., chollet, f., khelif, a..  (2016).  guiding and confinement of interface acoustic waves in solid-fluid pillar-based phononic crystals.  - aip advances.  121-703. 

nor afidatul asni semsudin, jahariah sampe, md shabiul islam, ahmad rifqi md zain.  (2015).  architecture of ultra low power micro energy harvester using hybrid input for biomedical devices.  - asian journal of scientific research.  212-224. 

ahmad rifqi md zain , richard m. de la rue.  (2015).  control of coupling in one-dimensional (1d) photonic crystal coupledcavity nano-wire structures via hole diameter and position variation.  - journal of optics (iop).  125007.