norhayati abu bakar, akrajas ali umar, muhamad mat salleh.  (2019).  reka bentuk sensor pendar cahaya bintik kuantum zncdse untuk mengesan racun perosak.  - sains malaysiana.  1513-1518. 

norhayati abu bakar, nur adliha abdullah, muhamad mat salleh, akrajas ali umar and joseph george shapter.  (2018).  optimum growth time in agpt nanofern preparation for enhancement of surface-enhanced raman scattering intensity.  - advances in natural sciences: nanoscience and nanotechnology.  . 

mohammad farid abd karim, marlia morsin, suratun nafisah, norhayati abu bakar, munirah ab rahman.  (2018).  designing of 3d sensor chamber for plasmonic-based toxic sensor detection.  - international journal of engineering & technology.  . 

norhayati abu bakar, muhamad mat salleh, akrajas ali umar and joseph george shapter.  (2017).  design and measurement technique of surface-enhanced raman scattering for detection of bisphenol a.  - advances in natural sciences: nanoscience and nanotechnology.  1-5. 

norhayati abu bakar, muhamad mat salleh, akrajas ali umar and joseph george shapter.  (2017).  direct deposition of silver nanoplates on quartz surface by sequence pre-treatment hydroxylation and silanisation.  - methodsx.  486-491. 

nur adliha abdullah, norhayati abu bakar, joseph g shapter, muhamad mat salleh dan akrajas ali umar.  (2017).  synthesis of silver-platinum nanoferns substrates used in surface-enhanced raman spectroscopy sensors to detect creatinine.  - advances in natural sciences: nanoscience and nanotechnology.  1-4. 

norhayati abu bakar, muhamad mat salleh dan akrajas ali umar.  (2017).  detection of creatinine on triangular silver nanoplates surface using surface-enhanced raman scattering sensor.  - international journal of biomedical nanoscience and nanotechnology.  335-342.