Preparation and Characterization of a Pectin Membrane-Based Optical pH Sensor for Fish Freshness Monitoring

Uswatun Hasanah, Mita Setyowati, Rustam Efendi, Muslem Muslem, Nor Diyana Md Sani, Eka Safitri, Yook Heng Lee, Rinaldi Idroes

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

In a simple and instant procedure for detecting fish freshness, a hydrogel and hydrophilic pectin matrix membrane was used successfully as an optical pH sensor by immobilizing the chromoionophore ETH 5294 (CI), which is very selective and sensitive for the membrane. The Pe/CI optical pH sensor exhibited excellent linearity between pH 5 and pH 9, with a sensor response time of 5 min and reproducibility of 1.49% relative standard deviation (RSD). The sensor showed response stability for 15 days and a response reduction of 8.6%. The sensor's capability was demonstrated by the detection of fish freshness for 17 days at 4 °C.

Original languageEnglish
JournalBiosensors
Volume9
Issue number2
DOIs
Publication statusPublished - 26 Apr 2019

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pH sensors
Optical sensors
Fish
Membranes
Monitoring
Sensors
Fishes
Hydrogel
Reaction Time
pectin

Keywords

  • chromoionophore
  • fish freshness
  • optical pH sensor
  • pectin

ASJC Scopus subject areas

  • Clinical Biochemistry

Cite this

Hasanah, U., Setyowati, M., Efendi, R., Muslem, M., Md Sani, N. D., Safitri, E., ... Idroes, R. (2019). Preparation and Characterization of a Pectin Membrane-Based Optical pH Sensor for Fish Freshness Monitoring. Biosensors, 9(2). https://doi.org/10.3390/bios9020060

Preparation and Characterization of a Pectin Membrane-Based Optical pH Sensor for Fish Freshness Monitoring. / Hasanah, Uswatun; Setyowati, Mita; Efendi, Rustam; Muslem, Muslem; Md Sani, Nor Diyana; Safitri, Eka; Lee, Yook Heng; Idroes, Rinaldi.

In: Biosensors, Vol. 9, No. 2, 26.04.2019.

Research output: Contribution to journalArticle

Hasanah, U, Setyowati, M, Efendi, R, Muslem, M, Md Sani, ND, Safitri, E, Lee, YH & Idroes, R 2019, 'Preparation and Characterization of a Pectin Membrane-Based Optical pH Sensor for Fish Freshness Monitoring', Biosensors, vol. 9, no. 2. https://doi.org/10.3390/bios9020060
Hasanah, Uswatun ; Setyowati, Mita ; Efendi, Rustam ; Muslem, Muslem ; Md Sani, Nor Diyana ; Safitri, Eka ; Lee, Yook Heng ; Idroes, Rinaldi. / Preparation and Characterization of a Pectin Membrane-Based Optical pH Sensor for Fish Freshness Monitoring. In: Biosensors. 2019 ; Vol. 9, No. 2.
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