1. Date of download: 7/7/2016 Copyright © ASME. All rights reserved. From: Liquid Metal Ink Enabled Rapid Prototyping of Electrochemical Sensor for Wireless Glucose Detection on the Platform of Mobile Phone J. Med. Devices. 2015;9(4):044507-044507-7. doi:10.1115/1.4031659 The photos of BIS alloy electrodes: (a) the stainless steel mask for patterning and fabrication of electrode, (b) dimension of electrodes, (c) the basic design of the alloy electrode, and (d) the electrodes attached firmly to the PVC substrate Figure Legend:

2. Date of download: 7/7/2016 Copyright © ASME. All rights reserved. From: Liquid Metal Ink Enabled Rapid Prototyping of Electrochemical Sensor for Wireless Glucose Detection on the Platform of Mobile Phone J. Med. Devices. 2015;9(4):044507-044507-7. doi:10.1115/1.4031659 Schematic of the fabrication process of alloy electrodes: (a) the design of the mask and substrate, (b) the mask is placed on the substrate in full contact, and (c) the channel is filled with alloy by brushing. The substrate is on the heating platform with the temperature higher than 59 °C to keep the alloy in liquid state. (d) Detach the mask from the substrate, and the alloy electrodes are obtained when the substrate is removed from the platform. Figure Legend:

3. Date of download: 7/7/2016 Copyright © ASME. All rights reserved. From: Liquid Metal Ink Enabled Rapid Prototyping of Electrochemical Sensor for Wireless Glucose Detection on the Platform of Mobile Phone J. Med. Devices. 2015;9(4):044507-044507-7. doi:10.1115/1.4031659 The wireless detection system integrated with smart phone and related hardware. (a) Smart phone interface for operating the glucose detection. (b) The independent detection device communicating with smart phone via Bluetooth. The glucose detection interfaces on smart phone. (c) Screen for parameters setting. (d) The screen reminding user to drop the sample. (e) Screen of glucose reaction. Figure Legend:

4. Date of download: 7/7/2016 Copyright © ASME. All rights reserved. From: Liquid Metal Ink Enabled Rapid Prototyping of Electrochemical Sensor for Wireless Glucose Detection on the Platform of Mobile Phone J. Med. Devices. 2015;9(4):044507-044507-7. doi:10.1115/1.4031659 The operating principle of detection system based on mobile phone Figure Legend:

5. Date of download: 7/7/2016 Copyright © ASME. All rights reserved. From: Liquid Metal Ink Enabled Rapid Prototyping of Electrochemical Sensor for Wireless Glucose Detection on the Platform of Mobile Phone J. Med. Devices. 2015;9(4):044507-044507-7. doi:10.1115/1.4031659 The characterization of alloy electrodes. (a) Cyclic voltammograms of alloy electrodes in PBS at different scanning rates of 10, 50, 100, and 150 mV/s (a)–(d). The inset denotes the relationship between the peak currents with the scanning rates. (b) Cyclic voltammograms of the enzyme-modified BIS alloy electrodes in 20 mM glucose solution, unmodified electrodes in 20 mM glucose, and 0.1 M PBS (pH 7.0) at a 100 mV/s scan rate. Figure Legend:

6. Date of download: 7/7/2016 Copyright © ASME. All rights reserved. From: Liquid Metal Ink Enabled Rapid Prototyping of Electrochemical Sensor for Wireless Glucose Detection on the Platform of Mobile Phone J. Med. Devices. 2015;9(4):044507-044507-7. doi:10.1115/1.4031659 The calibration plots of electrodes based on mobile phone system and commercial glucometer. (a) Glucose solution with concentration of 5 mM, 7.5 mM, 10 mM, 15 mM, and 20 mM was tested using mobile phone system and commercial glucometer. (b) The BIS alloy electrodes were characterized in combination with the smart phone through determination of glucose concentration at 5 mM, 10 mM, 20 mM, 30 mM, and 50 mM, respectively. Figure Legend:

7. Date of download: 7/7/2016 Copyright © ASME. All rights reserved. From: Liquid Metal Ink Enabled Rapid Prototyping of Electrochemical Sensor for Wireless Glucose Detection on the Platform of Mobile Phone J. Med. Devices. 2015;9(4):044507-044507-7. doi:10.1115/1.4031659 The design of alloy sensor with multireaction zones. (a) The designed sensor has three reaction sections. (b) The test could be carried out from the first reaction part. The test area would be cut off and discarded when the reaction was accomplished. Figure Legend: