Table 1 The MPIE-ESI-MS results of 11 secretion samples from patients suspected of CSF leak.

From: Study of β1-transferrin and β2-transferrin using microprobe-capture in-emitter elution and high-resolution mass spectrometry

Secretion sample

β1-Tf

β2-Tf

Detected?

Measured molecular mass

Detected?

Measured molecular mass

Positive sample 1

Yes

79,554.50 Da

Yes

78,008.42 Da

Positive sample 2

Yes

79,554.79 Da

Yes

78,008.60 Da

Positive sample 3

Yes

79,554.75 Da

Yes

78,008.83 Da

Positive sample 4

Yes

79,554.04 Da

Yes

78,008.68 Da

Positive sample 5

Yes

79,554.77 Da

Yes

78,008.03 Da

Negative sample 1

Yes

79,554.29 Da

No

/

Negative sample 2

Yes

79,554.80 Da

No

/

Negative sample 3

Yes

79,554.81 Da

No

/

Negative sample 4

No

/

No

/

Negative sample 5

Yes

79,554.49 Da

No

/

Negative sample 6

Yes

79,554.73 Da

No

/

Back to article page