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Laser-Induced Graphene (LIG) enables writing of RFID directly onto Food itself

2,163 views · Published 17 February 2018 · 1:44 · Indexed 24 October 2026

Channel: Rajamanickam Antonimuthu · 2018 · Science & Technology

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Rice University scientists have found a process to produce edible Electronics using graphene.

They  create patterned graphene onto food, paper, cloth and cardboard.

They are not going to use the Graphene  as the Ink to write Graphene patterns, b ut their process  is taking the material itself and converting it into graphene.

 The research Team demonstrated that LIG i-e laser-induced graphene can be burned into paper, cardboard, cloth, coal and certain foods, even toast.

 LIG can be written into target materials in patterns and used as a supercapacitor, an electrocatalyst for fuel cells, radio-frequency identification (RFID) antennas and biological sensors, among other potential applications.


All food will have a tiny RFID tag that gives you information about where it’s been, how long it’s been stored, its country and city of origin and the path it took to get to your table.

LIG tags could also be sensors that detect E. coli or other microorganisms on food. They could light up and give you a signal that you don’t want to eat this. All that could be placed not on a separate tag on the food, but on the food itself.

And, flexible, wearable electronics may be an early market for the technique. This has applications to put conductive traces on clothing, whether you want to heat the clothing or add a sensor or conductive pattern.

Photo / Video Source: Rice University /Jeff Fitlow

News Source: http://news.rice.edu/2018/02/13/graphene-on-toast-anyone-2/

Read about Graphene at http://www.rtoz.org/know-about-graphene/

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