Figure 1.
Overall scheme of the charge pump design divided into different modules connected to electronics for sensing, sampling, and wireless radio transmission of data.
Figure 2.
Photographs of the set-up for the bench-top device test, showing (A) the oxygen sensitive wireless self-powered biodevice, i.e. an EFC (electrochemical cell containing the anodes, 1, and cathodes, 2) connected to the wireless operational unit (white box, 3) and a control device (voltmeter, 4) and (B) a computer with the developed control software and receiver (CC2530 radio highlighted with the white arrow, 5), placed roughly 4 m from the device.
Figure 3.
Wireless carbohydrate sensing.
Recorded signal from the carbohydrate sensitive self-contained biodevice in buffers with varying lactose concentrations.
Figure 4.
Recorded signal from the self-contained biodevice for oxygen monitoring in buffers with varying oxygen concentrations.