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Dissolved oxygen sensing using an optical fibre long period grating coated with hemoglobin

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posted on 23.09.2015, 07:02 by Matthew PartridgeMatthew Partridge

A method for the preparation of a sensor consisting of an optical fibre long period grating coated with human hemoglobin is described. The utility of this sensor in detecting dissolved oxygen in phosphate buffered saline solution, by the conversion of the coated hemoglobin from deoxyhemoglobin to oxyhemoglobin, is described. The sensor shows good repeatability with a %CV of less than 1% for oxygenated and deoxygenated states and no drift or hysteresis with repeated cycling.

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