Fabrication of a photocurable highly sensitive optical ammonia sensor for aquaculture application

Aiman Aziz; N. Hafizah I.; M. Norzaliman M. Z.; G. Witjaksono

doi:10.1117/12.2058517

2 June 2014 Fabrication of a photocurable highly sensitive optical ammonia sensor for aquaculture application

Aiman Aziz, N. Hafizah I., M. Norzaliman M. Z., G. Witjaksono

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91574A (2014) https://doi.org/10.1117/12.2058517
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

A simple sensor fabrication process for ammonia fluorescence based optical sensing has been developed by immobilizing fluorescence pair dyes in a UV-photocurable acrylate host polymer matrix. The direct process for optical sensor was designed by entrapping ammonia sensitive components in a certain ratio of acrylate monomers of methyl methacrylate (MMA) and butyl acrylate (BA). The copolymers poly(methyl metha-co-butyl acrylate) (MB) glassy transparent thin film ammonia sensor was photopolymerized under ultra-violet (UV) illumination. The acrylate based host matrix offers rapid curing, ease of preparation, excellent dyes entrapment and self-adhesive properties. The nonplasticized acrylate matrix containing ammonia sensitive components have demonstrated excellent sensitivity towards target analyte with linear sensor response to dissolved ammonia in the range of 1 to 100 μgL-1 (R2 of 0.9) with a limit detection of 1 μgL-1ammonia. The simple single step fabrication of ammonia fluorescence based optical sensor offers great manufacturing capability for aquaculture quality monitoring.

Citation Download Citation

Aiman Aziz, N. Hafizah I., M. Norzaliman M. Z., and G. Witjaksono "Fabrication of a photocurable highly sensitive optical ammonia sensor for aquaculture application", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91574A (2 June 2014); https://doi.org/10.1117/12.2058517

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