Publications by authors named "Tsu-Yang Lai"
Article Synopsis
- Potentiometric biosensors have been developed using flexible silver paste electrodes and a sensing film made of copper-doped zinc oxide (CZO) modified with iron-platinum nanoparticles (FePt NPs) to detect lactate levels in humans.
- The CZO film's surface was analyzed using scanning electron microscopy (SEM), while FePt NPs were characterized through X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR).
- The biosensors demonstrate an average sensitivity of 25.32 mV/mM over a concentration range of 0.2-5 mM, a response time of 16 seconds, and high selectivity for lactate detection.
In this study, the potentiometric arrayed glucose biosensors, which were based on zinc oxide (ZnO) or aluminum-doped zinc oxide (AZO) sensing membranes, were fabricated by using screen-printing technology and a sputtering system, and graphene oxide (GO) and Nafion-glucose oxidase (GOx) were used to modify sensing membranes by using the drop-coating method. Next, the material properties were characterized by using a Raman spectrometer, a field-emission scanning electron microscope (FE-SEM), and a scanning probe microscope (SPM). The sensing characteristics of the glucose biosensors were measured by using the voltage-time (V-T) measurement system.
View Article and Find Full Text PDFTwo types of urea biosensors were integrated with a wireless measurement system and microfluidic measurement system. The two biosensors used were (i) a magnetic beads (MBs)-urease/graphene oxide (GO)/titanium dioxide (TiO)-based biosensor and (ii) an MBs-urease/GO/ nickel oxide (NiO)-based biosensor, respectively. The wireless measurement system work exhibited the feasibility for the remote detection of urea, but it will require refinement and modification to improve stability and precision.
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