Continuous sensing photonic lab-on-a-chip platform based on cross-linked enzyme crystals

Mayte Conejero-Muriel, Isaac Rodríguez-Ruiz, Cristóbal Verdugo-Escamilla, Andreu Llobera, Jose A. Gavira

    Research output: Contribution to journalArticleResearchpeer-review

    3 Citations (Scopus)

    Abstract

    Microfluidics or lab-on-a-chip technology offer clear advantages over conventional systems such as a dramatic reduction of reagent consumption or a shorter analysis time, which are translated into cost-effective systems. In this work, we present a photonic enzymatic lab-on-a-chip reactor based on cross-linked enzyme crystals (CLECs), able to work in continuous flow, as a highly sensitive, robust, reusable, and stable platform for continuous sensing with superior performance as compared to the state of the art. The microreactor is designed to facilitate the in situ crystallization and crystal cross-linking generating enzymatically active material that can be stored for months/years. Thus, and by means of monolithically integrated micro-optics elements, continuous enzymatic reactions can be spectrophoto-metrically monitored. Lipase, an enzyme with industrial significance for catalyzed transesterification, hydrolysis, and esterification reactions, is used to demonstrate the potential of the microplatforms as both a continuous biosensor and a microreactor for the synthesis of high value compounds.
    Original languageEnglish
    Pages (from-to)11919-11923
    JournalAnalytical Chemistry
    Volume88
    Issue number23
    DOIs
    Publication statusPublished - 1 Jan 2016

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