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    Jefferson Adams
    Jefferson Adams

    By Jefferson Adams •

    Celiac Disease Future: A Device that Detects Gluten in Food?

    Reviewed and edited by a celiac disease expert.

    Celiac.com 10/18/2012 - Currently, there is no convenient way for people with celiac disease to test food for gluten content. In an effort to change that, University researchers in Spain are using Sunrise™ absorbance readers by Tecan, together with Magellan™ V4.0 software to create an accurate, easy to use sensor that can test for gluten in food.

    Photo: CC--chrisinplymouthMaria Isabel Pividori from the Sensors and Biosensors Group at the Universitat Autònoma de Barcelona confirmed the development of the "electrochemical magneto immunosensor for the sensitive detection of gliadin – and small gliadin fragments – in natural or pretreated foods.” Gliadin is the main protein trigger for celiac disease.

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    The sensor is an important step toward addressing "increasing demand for rapid, simple and low cost techniques for accurate food analysis in decentralized analytical situations," said Pividori.

    The research team measured the performance of the electrochemical immuno-sensor by comparing it with a new magneto-ELISA, using optical detection performed on the Sunrise plate reader.

    The team conducted ELISAs in 96-well microplates, using a magnetic separation plate to isolate the supernatant before measuring the absorbance in the Sunrise reader.

    This enabled the team to conduct immunoassays in a number of various formats for multiple applications – such as evaluating protein coupling to magnetic beads and nanoparticles – as well as allowing assessment of different transducer materials for bio-sensing purposes.

    Because it offers "a quick and easy way to optimize reagents and assay parameters," Pividori calls the Sunrise "ideal for research applications."

    So just how far off is a commercially viable device that will allow people with celiac disease to test gluten levels in their food? Only time will tell, but stay tuned for more developments as researchers try to deliver such a device.

    Meantime, let us know what you think. Would you like a device that could easily and accurately test food for gluten? Would such a device make your gluten-free life better or easier? Comment below to let us know your thoughts.

    Full details of this study can be found in: Laube T et al. Biosens Bioelectron, 2011, 27, 46-52.

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    Guest Katherine

    Guest Katherine

    Posted

    Great, but there needs to be a portable model.

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    Guest Geeta

    Yes... it will be really helpful if we have a tool which can detect the possibility of gluten in the food that we eat outside our home, especially in countries like India where awareness about this health problem is not enough.

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    Guest John

    I'm a Biotech student and sorry but I'm in shock. This device is a laboratory equipment. It is based in ELISA methods: ELISA assays can take 2 hours until you can measure the results even if the results can be read in 6 secs, you need to be a lab technician to manipulate the samples and the device, for sure you must have pipettes and lab stuff, and also: it will cost several thousand dollars... So in my opinion, this cannot be a user friendly device to detect gluten, and you cannot carry easily (its weight: 8 KG).

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    Guest Aubs

    Yes, of course it would be ideal to have a device to test for gluten if it is actually possible to make such a device.

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    Guest Bill

    Where can I follow this product to check on progress? I would love to have this, my young daughter is celiac. This would be so helpful, what a great idea.

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    Guest Yahya

    Guest Yahya

    Posted

    AS I'm suffering now for undoubtedly I will buy it. Just yesterday I went to cafe in Dublin. I asked them if they have any gluten free food. they said yes. when I look at to their cupboard where they keep the food I was shocked. they have put just beside gluten free food, other food which is bread which is definitely not gluten free.

    In addition I'm suffering at my own home as some of my family do not take my disease seriously and they contaminate my food with other not gluten free product.

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  • About Me

    Jefferson Adams

    Jefferson Adams is Celiac.com's senior writer and Digital Content Director. He earned his B.A. and M.F.A. at Arizona State University. His articles, essays, poems, stories and book reviews have appeared in numerous magazines, journals, and websites, including North American Project, Antioch Review, Caliban, Mississippi Review, Slate, and more. He is the author of more than 2,500 articles on celiac disease. His university coursework includes studies in science, scientific methodology, biology, anatomy, physiology, medicine, logic, and advanced research. He previously devised health and medical content for Colgate, Dove, Pfizer, Sharecare, Walgreens, and more. Jefferson has spoken about celiac disease to the media, including an appearance on the KQED radio show Forum, and is the editor of numerous books, including "Cereal Killers" by Scott Adams and Ron Hoggan, Ed.D.

    >VIEW ALL ARTICLES BY JEFFERSON ADAMS

     

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