Sequential analysis of β-lactoglobulin for allergen check using QCM with a passive flow system

Takeshi Ito, Nobuyoshi Aoki, Akihisa Tsuchiya, Satoru Kaneko, Koji Suzuki

Research output: Contribution to journalArticle

4 Citations (Scopus)


Quantitative detection of food allergen is placed considerable emphasis in food factories all over the world. We proposed a quartz crystal microbalance (QCM) method coupled with a passive flow system for the analysis of β-lactoglobulin, as an example. Analytical curves for a passive were comparable on an active flow system, and 1 ppm of β-lactoglobulin was detected. Repeatable detection was achieved by the regeneration of the sensor surface. One detection cycle was completed within 13 min. This proposed system can be used for quantitative analysis without professional skills, only by dropping a liquid sample.

Original languageEnglish
Pages (from-to)981-983
Number of pages3
JournalChemistry Letters
Issue number7
Publication statusPublished - 2015


ASJC Scopus subject areas

  • Chemistry(all)

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