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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 538413
Title BIOFOS: A micro-ring resonator-based biophotonic system for food analysis - Application to olive oil contaminants
Author(s) Romero, A.; Ninot, A.; Hermoso, J.F.; Zergioti, I.; Kouloumentas, C.; Avramopoulos, H.; Leeuwis, H.; Schreuder, E.; Graf, S.; Knapp, H.; Barthelmebs, L.; Noguer, T.; Tsekenis, G.; Scheres, L.; Smulders, M.; Zuilhof, H.; Heesink, G.; Reguillo, L.
Source In: Proceedings of the 8th International Olive Symposium. - International Society for Horticultural Science (Acta Horticulturae ) - ISBN 9789462611955 - p. 505 - 509.
Event VIII International Olive Symposium, Split, 2016-10-10/2016-10-14
Department(s) Organic Chemistry
Publication type Contribution in proceedings
Publication year 2018
Keyword(s) Analysis of pesticides and heavy metals - Copper - Oil quality - Organophosphates

Current detection methods for contaminants in food use high-tech equipment sited in specialized laboratories. This makes online quality control along the food chain difficult. Official regulations limit pesticide and heavy-metal contamination, mainly for organic production, although their analysis is quite expensive, requires skilled personnel and is very difficult to apply to a large number of oil batches. The BIOFOS Project (ICT-FP7-GA.N.611528) aims to develop and validate a Lab-on-a-Chip (LoC) multianalyser, based on micro-biophotonic sensors, for in-situ food contaminant analysis. This device includes biosensors for milk analysis (aflatoxin M1, antibiotic and lactose), nuts (aflatoxin B1), dried fruits (ochratoxin A) and olive oil (organophosphates and metals). BIOFOS combines four high-tech platforms: (1) a photonic platform based on micro-ring resonators (MRR) for signal quantification, (2) a biological platform based on aptamers for analyte detection, (3) a nanochemical platform to immobilize aptamers onto the chip surface and (4) a microfluidic platform for sample pre-treatment and its loading into the biosensor. The project is organized in work packages in order to develop the technological platforms. End-user requirements are also considered, as well as existing fast analysis kits that will be compared against the device. Validation protocols and exploitation plans are also included. BIOFOS applications for olive oil analysis are discussed, in terms of accuracy, sensitivity, time-to-result and cost per sample.

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