Zinc Oxide Nanostructures Based Bio- and Chemical Extra- and Intracellular Sensors
作者： Magnus Willander , Omer Nur , Syed M. Usman Ali
DOI: 10.1007/978-94-007-2872-1_17
关键词: Analyte 、 Potentiometric titration 、 Wide dynamic range 、 Electrode 、 Selectivity 、 Nanotechnology 、 Pipette 、 Reference electrode 、 Nanosensor 、 Materials science
摘要: In this chapter we present sensors based on ZnO nanostructures suitable for sensing in small volumes and can be used intracellular as well extracellular environments. The principle of the measurement is potentiometric effect. electrodes were constructed by growing tip sub-micrometer glass pipettes versus Ag/AgCl reference electrodes. By functionalizing electrodes, selectivity tuned to detect ion or analyte question. developed measure concentration most common ions like calcium, potassium, sodium magnesium. addition different biological analytes also measured. These include glucose, urine, uric acid cholesterol. showed good sensitivity a wide dynamic range represent step towards developing efficient sensor interest human health diagnostic.
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