Accelerating attribute-focused process and product development through the development and deployment of autonomous

Chao-Hsiang Richard Wu1, Becky Chan1, Zac Sarich1

  • 1Attribute Sciences, Process Development, Amgen Inc., Thousand Oaks, California, USA.

PubMed

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The quadrupole mass analyzer consists of four cylindrical metal rods arranged in a diamond carrying a DC voltage and a radio-frequency AC voltage. The motion of ions through the quadrupole depends on the field strength, causing only ions of a certain m/z to resonate successfully and strike the detector at a given field strength. Though the transmission rate for these analyzers is high, the exact elemental composition of the sample is not determined because of low resolution; however, they are...
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Tandem Mass Spectrometry

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