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 |
20100084546 | METHODS FOR DETECTING DIHYDROTESTOSTERONE BY MASS SPECTROMETRY - Provided are methods for determining the amount of dihydrotestosterone (DHT) in a sample using mass spectrometry. The methods generally involve ionizing DHT in a sample and detecting and quantifying the amount of the ion to determine the amount of DHT in the sample. | 04-08-2010 |
20110006197 | METHODS FOR DETECTING DIHYDROTESTOSTERONE BY MASS SPECTROMETRY - Provided are methods for determining the amount of dihydrotestosterone (DHT) in a sample using mass spectrometry. The methods generally involve ionizing DHT in a sample and detecting and quantifying the amount of the ion to determine the amount of DHT in the sample. | 01-13-2011 |
20110111512 | QUANTITATION OF INSULIN-LIKE GROWTH FACTOR-I AND INSULIN-LIKE GROWTH FACTOR-II WITH HIGH-RESOLUTION MASS SPECTROMETRY - Methods are provided for determining the amount of an IGF-I and/or IGF-II protein in a sample using high resolution/high accuracy mass spectrometry. The methods generally comprise enriching an IGF-I and/or IGF-II protein in a sample, ionizing an IGF-I and/or IGF-II protein from the sample to generate IGF-I and/or IGF-II protein ions, and determining the amount of IGF-I and/or IGF-II protein ions with high resolution/high accuracy mass spectrometry. | 05-12-2011 |
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 |
20110297825 | MASS SPECTROMETRY METHOD FOR MEASURING VITAMIN B6 IN BODY FLUIDS - 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. | 12-08-2011 |
20120175517 | METHODS FOR DETECTING DIHYDROTESTOSTERONE BY MASS SPECTROMETRY - Provided are methods for determining the amount of dihydrotestosterone (DHT) in a sample using mass spectrometry. The methods generally involve ionizing DHT in a sample and detecting and quantifying the amount of the ion to determine the amount of DHT in the sample. | 07-12-2012 |