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Diagnostics, Methodologies and Instrumentation
by ruth on February 23, 2006

Scientists working on theGood Foods Project at the National Microelectronics Centre in Spain are developing tiny biomechanical and microelectronic sensors that can be used to screen for virtually any pathogen or toxin in any produce.
The device is a fluorescent optical biosensor that measures the reaction of a probe coated with antibodies when it comes into contact with antibiotics present in milk or other dairy products.
The research is currently focusing on quality and safety analysis for dairy goods, fruit and wine. But also, they plan to develop other sensors based on an immunodiagnostic microarray that can be used to identify pesticides on fruit and vegetables.
Currently producers check milk for antibiotic residues using a non-reusable litmus paper testing kit. An electronic device of the kind being developed by GoodFood would make the tests faster, cheaper and more accurate.
Aside from testing for antibiotics, the group is also developing other devices useful for securing food safety such as:
- DNA biochip-based sensor, to detect pathogens such as Salmonella, Listeria and other fungi
- immunodiagnostic microarray sensor, to identify pesticides on fruit and vegetables, and
- ethylene and oxygen sensor, to control ripening of fruits post-harvest
Read more at Lab Technologist.Com.
About Gloria Gamat: Gloria is a Chemist and a single mom. Gloria also blogs about motherhood at EMothersOnline and about life and travel in the Philippines at The Philippine Culture Blog and at Pinoy Travel Blog respectively.
Permalink: Portable Gadgets For Food Safety
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