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. Author manuscript; available in PMC: 2013 Sep 5.
Published in final edited form as: J Agric Food Chem. 2012 Aug 22;60(35):8535–8543. doi: 10.1021/jf302416y

Figure 4.

Figure 4

RFID sensor layout for demonstration of determination of milk freshness. (A) Schematic of sensor positioning onto a milk carton and sensor-response readout with a pick-up coil. (B) Photo of milk cartons with attached RFID sensors.