Methods and apparatus for analyzing biological samples by mass spectrometry

   
   

Methods and apparatuses for analyzing proteins and other biological materials and xenobiotics within a sample. A specimen is generated, which may include an energy absorbent matrix. The specimen is struck with laser beams such that the specimen releases proteins. The atomic mass of the released proteins over a range of atomic masses is measured. An atomic mass window of interest within the range of atomic masses is analyzed to determine the spatial arrangement of specific proteins within the sample, and those specific proteins are identified as a function of the spatial arrangement. By analyzing the proteins, one may monitor and classify disease within a sample.

Métodos y aparatos para analizar las proteínas y otros materiales biológicos y xenobiotics dentro de una muestra. Se genera un espécimen, que puede incluir una matriz del absorbente de la energía. El espécimen se pulsa con los rayos laser tales que el espécimen lanza las proteínas. La masa atómica de las proteínas lanzadas sobre una gama de masas atómicas se mide. Una ventana de la masa atómica del interés dentro de la gama de masas atómicas se analiza para determinar el arreglo espacial de proteínas específicas dentro de la muestra, y esas proteínas específicas se identifican en función del arreglo espacial. Analizando las proteínas, una puede supervisar y clasificar enfermedad dentro de una muestra.

 
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