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| Number | Title | Issue Date |
| 7172902 | Quality control material for reagentless measurement of analytes A method of monitoring calibration of a spectrophotometric apparatus that includes one or more than one calibration algorithm for one or more than one analyte, involves measuring absorbance of a quality control material with the apparatus to obtain a measurement, ca... | 02/06/2007 |
| 7157282 | Quality control material for reagentless measurement of analytes A method of monitoring calibration of a spectrophotometric apparatus having one or more than one calibration algorithm for one or more than one analyte. This method involves measuring an absorbance of a quality control material to obtain a measurement, calculating o... | 01/02/2007 |
| 7108833 | Sample tab A sample tab for retaining a sample during spectroscopic analysis includes a base plate, a sample well, and a cover plate. The sample well may vary in size to accommodate different sample volumes, and the base of the sample well may be positioned above or below the ... | 09/19/2006 |
| 6841132 | Sample tab A sample lab for retaining a sample during spectrophorometric analysis includes a base plate, a sample well, and a cover plate. The sample tab may also include one, or more than one overflow opening for draining excess sample, and an overflow channel to retain the e... | 01/11/2005 |
| 6828152 | Quality control material for reagentless measurement of analytes The present invention provides a method of monitoring calibration of a spectrophotometric apparatus that comprises one or more calibration algorithms for one or more analytes. This method comprises measuring absorbance of a quality control material with the apparatu... | 12/07/2004 |
| 6689612 | Indicator of hemolysis The invention provides a method of monitoring calibration of a spectrophotometric apparatus including one or more calibration algorithms for one or more analytes. This method includes measuring absorbance of a quality control material with the apparatus t... | 02/10/2004 |
