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Àåºñ¸í(¾à¾î) Matrix Assisted Laser Desorption Ionization Time-Of-Flight mass spectrometry (MALDI-TOF)
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1. Mass range

1) Linear : 1 Da to 500 kDa

2) Reflectron : 1 Da to 80 kDa

3) Linear : 1 Da to 500 kDa

 

2. Mass Resolution

1) Linear : > 5,000 FWHM

2) ACTH 18-39 reflectron : ˃ 14,000 FWHM - ACTH 7-383)

3) MS/MS : Isotopic Resolution of fragments-Angiotensin 2

 

3. Accuracy

1) Linear : ˂ 30 ppm with internal calibration ˂ 200 ppm with external calibration

2) Reflection : ˂ 10 ppm with internal calibration ˂ 100 ppm with external calibration

3) MS/MS : 0.02% of parent

 

4. Precursor resolution : ˃ 200 FWHM at 1000 Da

 

5. Sensitivity

1) Linerar : 250 fmol (bovine serum albumin) 250 fmol (Glu - 1 - Fibropeptide B)

2) Reflection : 500 amol (Glu - 1 - Fibropeptide B)

3) MS/MS : 25 fmol (Glu - 1 - Fibropeptide B)

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