Patent application number | Description | Published |
20080311671 | Mass Spectrometry Method for Measuring Vitamin B6 in Body Fluid - Provided are methods of detecting the presence or amount of the active form of vitamin B6, pyridoxal 5′-phosphate, in a body fluid sample using tandem mass spectrometry coupled with liquid chromatography. | 12-18-2008 |
20090093009 | MASS SPECTROMETRY METHOD FOR MEASURING THIAMINE IN BODY FLUID - Provided are methods for determining the amount of total thiamine in a body fluid sample using liquid chromatography and mass spectrometry. Total thiamine is converted to free thiamine by treatment with an acid phosphatase prior to thiamine separation and quantification. | 04-09-2009 |
20100084545 | Methods for Detecting Vitamin C by Mass Spectrometry - Provided are methods for determining the amount of vitamin C in a sample using mass spectrometry. The methods generally involve ionizing vitamin C in a sample and detecting and quantifying the amount of the ion to determine the amount of vitamin C in the sample. | 04-08-2010 |
20110179855 | METHODS FOR DETECTING VITAMIN C BY MASS SPECTROMETRY - Provided are methods for determining the amount of vitamin C in a sample using mass spectrometry. The methods generally involve ionizing vitamin C in a sample and detecting and quantifying the amount of the ion to determine the amount of vitamin C in the sample. | 07-28-2011 |
20130115644 | MASS SPECTROMETRY METHOD FOR MEASURING THIAMINE IN BODY FLUID - Provided are methods for determining the amount of total thiamine in a body fluid sample using liquid chromatography and mass spectrometry. Total thiamine is converted to free thiamine by treatment with an acid phosphatase prior to thiamine separation and quantification. | 05-09-2013 |
20140048703 | METHODS FOR DETECTING VITAMIN C BY MASS SPECTROMETRY - Provided are methods for determining the amount of vitamin C in a sample using mass spectrometry. The methods generally involve ionizing vitamin C in a sample and detecting and quantifying the amount of the ion to determine the amount of vitamin C in the sample. | 02-20-2014 |
20140291502 | METHODS FOR DETECTING VITAMIN C BY MASS SPECTROMETRY - Provided are methods for determining the amount of vitamin C in a sample using mass spectrometry. The methods generally involve ionizing vitamin C in a sample and detecting and quantifying the amount of the ion to determine the amount of vitamin C in the sample. | 10-02-2014 |