MATERIAL COMPOSITIONS FOR SENSORS FOR DETERMINATION OF CHEMICAL SPECIES AT TRACE CONCENTRATIONS AND METHOD OF USING SENSORS

A METHOD OF QUANTITATIVELY MEASURING THE CONCENTRATION OF A CHEMICAL SPECIES IN A SAMPLE SOLUTION WITH A SENSOR FILM. A HYDROGEL SENSOR FILM IS PREPARED HAVING A CHEMICAL COMPOSITION COMPRISING AN INDICATOR THAT CHANGES ITS OPTICAL PROPERTY IN THE ULTRA-VIOLET, VISIBLE OR NEAR-INFRARED SPECTRAL RANG...

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Hauptverfasser:	POTYRAILO, RADISLAV A, CECCONIE, THEODORE J, ENGEL, DAVID B, HASSIB, LAMYAA, SIVAVEC, TIMOTHY M, XIAO, CAIBIN, LEACH, ANDREW M
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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Zusammenfassung:	A METHOD OF QUANTITATIVELY MEASURING THE CONCENTRATION OF A CHEMICAL SPECIES IN A SAMPLE SOLUTION WITH A SENSOR FILM. A HYDROGEL SENSOR FILM IS PREPARED HAVING A CHEMICAL COMPOSITION COMPRISING AN INDICATOR THAT CHANGES ITS OPTICAL PROPERTY IN THE ULTRA-VIOLET, VISIBLE OR NEAR-INFRARED SPECTRAL RANGE UPON BEING EXPOSED TO THE CHEMICAL SPECIES IN THE SAMPLE SOLUTION. THE FILM IS EXPOSED TO A FIXED AMOUNT OF THE SAMPLE SOLUTION. THE CONCENTRATION OF THE CHEMICAL SPECIES IN THE SAMPLE SOLUTION IS QUANTIFIED USING THE AVERAGE ABSORBANCE MEASURED FROM THE SENSOR FILM.