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6

The Use of A New Meta-calculation Software for Automated Data Processing of Tandem MS for Inborn Error Metabolism Research

Refer

1. Millin

1990;

2. Robe

Ackn

Author Aff

1. Therm

2. Therm

3. Therm

4. Medic

MSACL

Results

Over 96% of calculations of analyte peak area and concentration

(Analytes and Formulas) are within 10% of bias. Over 82% of

Formulas Ratios are within 10% of bias. Table 2 below shows

comparison between software calculations and manual calculations.

iRC PRO

registere

and other

Fisher Sc

This infor

any mann

others

.

For resea

Product

(m/z)

85.00

85.00

85.00

85.00

85.00

85.00

85.00

85.00

85.00

Italy)

ftware

MS.

reating

peak

ibur™

d copied

e

by the

tines

Type

Analyte/

Formula

Number

(N)

Bias% Value Range

Analyte

Peak Area

19 Analytes

1,900

< 48%

17,400

174,827,146

1898

< 30%

1894

< 20%

1842

< 10%

1672

< 5%

R2 = 0.999438 Y =

-

7879 + 0.999719X

Analyte

Concentration

Cit, Met, Orn,

Phe, Tyr, C0, C8,

C14, C14:1, C16

1,000

< 45%

0.62

431.51

998

< 30%

993

< 20%

958

< 10%

845

< 5%

R2 = 0.997733 Y =

-

0.19774 + 0.998866X

Formula

Concentration

(User Defined)

F1=C0+C14:1

100

< 5% 20.83

386.55

R2 = 0.999544 Y = 0.174589 + 0.999772X

Formula

Peak Area

(User Defined)

F2=(Orn-Phe)/Tyr

F3=(C8+C14:1-

C16)/(Orn+Tyr)

200

< 30%

-1.4403

3.534176

192

< 20%

165

< 10%

113

< 5%

R2 = 0.991617 Y = 0.004626 + 0.995799X

TABLE 2. Comparison between software and manual calculations