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Ion selective electrodes and some electrochemical sensors, owing to their unique ability to directly sense analytes, are well suited for whole blood, plasma, and serum critical analyte testing. These critical analytes are major electrolytes, blood gases, and some metabolites. Analyzers based on ion selective electrodes (ISE) can provide fast turnaround time (TAT) for critical care testing.
Following their historical development, these instruments can be conveniently divided into the following products: arterial blood gas (ABG) analyzers; electrolyte analyzers; integrated blood gas/electrolyte analyzers; and integrated blood gas/electrolyte/metabolite analyzers. This presentation will trace the development of these analyzers. The single-use disposable cartridge will not be included.
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