Question

AP/MALDI Ion Source Sensitivity: A: Bradykinin, 150 attomole B: blank matrix (control). 1060.6 100 100 90 B 90 A Relative Abundance 80 70 60 50 40 30 20 10 0 1061.7 80 Relative Abundance 70 60 50 40 30 20 10 0 1030 1040 1050 1060 1070 1080 1090 1100 m/z 1030 1040 1050 1060 1070 1080 1090 1100 m/z

          AP/MALDI Ion Source Sensitivity:
A: Bradykinin, 150 attomole
B: blank matrix (control).
1060.6
100
100
90
B
90
A
Relative Abundance
80
70
60
50
40
30
20
10
0
1061.7
80
Relative Abundance
70
60
50
40
30
20
10
0
1030 1040 1050 1060 1070 1080 1090 1100
m/z
1030 1040 1050 1060 1070 1080 1090 1100
m/z

AP/MALDI Ion Source Sensitivity:
A: Bradykinin, 150 attomole
B: blank matrix (control).
1060.6
100
100
90
B
90
A
Relative Abundance
80
70
60
50
40
30
20
10
0
1061.7
80
Relative Abundance
70
60
50
40
30
20
10
0
1030 1040 1050 1060 1070 1080 1090 1100
m/z
1030 1040 1050 1060 1070 1080 1090 1100
m/z

Added by Deborah D.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Suman K

Step 1

The LOD is the lowest concentration of an analyte that can be reliably detected and distinguished from background noise. To estimate the LOD, we can look at the blank matrix (control) in the image. The blank matrix represents the background noise or signal Show more…

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What is the estimated LOD (Limit of Detection) for Bradykinin? Using the following image, what is the approximate S/N (Signal to Noise ratio) of the analyte? APMALDI Ion Source Sensitivity A: Bradykinin, 150 attomole 1060.6 B: blank matrix (control) 100 1001 B 90 80 70 Relative Abundance 50 30 20 10 A 90 80 70 Relative Abundance 60 50 40 30 20 10 1061.7 0 1030 1040 1050 1060 1070 1000 1090 1100 m/z 1030 1040 1050 1060 1070 1080 1090 1100 m/z