An Array-Based Sensor for Seafood Freshness Assessment

• Published in: Bulletin of the Korean Chemical Society Vol. 31; no. 11; pp. 3084 - 3092
• Main Authors: Gonzalez-Martin, Anuncia, Lewis, Brian, Raducanu, Marius, Kim, Jin-Seong
• Format: Journal Article
• Language: English
• Published: 대한화학회 20.11.2010
• Subjects: 화학
• ISSN: 0253-2964; 1229-5949
• DOI: 10.5012/bkcs.2010.31.11.3084

This paper describes the development of an automated, hand-held sensor for the fast assessment of seafood freshness. The sensor developed here combined: an array-based chemical sensor, composed of incrementally different conducting polymer elements deposited on a small chip; a highly sensitive, custom-made electronics for the detection of very small signal changes; precise temperature control of the sensor chamber; and an on-board microcontroller for data collection,storage, automation, and analysis. The instrument was used to successfully test seafood samples with different degree of freshness and spoilage. A linear relationship between microbiological count and e-Nose signal for three different fish fillet was developed. Once the linear relationship is included into the hand-held unit software, the e-Nose signal can be used for assessment of seafood freshness without performing the microbiological count technique. KCI Citation Count: 2