Detection of creatinine on triangular silver nanoplates surface using surface-enhanced Raman scattering sensor
by Norhayati Abu Bakar; Muhamad Mat Salleh; Akrajas Ali Umar
International Journal of Biomedical Nanoscience and Nanotechnology (IJBNN), Vol. 3, No. 4, 2017

Abstract: In this study, we attempt to detect various concentrations of creatinine molecules on the triangular silver nanoplate films surface using a self-build surface-enhanced Raman scattering (SERS) sensor. The SERS sensor system consists of a butterfly laser diode, Inphotonic Raman fibre, Ocean Optics spectrophotometer and sensor chamber to contain the creatinine sample. Triangular-shaped silver nanoplate films were prepared on quartz surface by self-assembly technique. Detection of creatinine was done by irradiating creatinine on the triangular nanoplates surface using 785 nm of the laser light. It was found that the enhancement of the creatinine Raman peaks is linear with the creatinine concentrations. The lowest creatinine concentration that was detected by this SERS sensor is 0.005 M.

Online publication date: Wed, 26-Jul-2017

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