Journal for Biophysical Chemistry
Table 3 HAP content of osteoporotic and non-osteoporotic trabeculae evaluated by XPS and ToF-SIMS
From: Quantification of calcium content in bone by using ToF-SIMS–a first approach
12 months sham | 12 months diet | |||
|---|---|---|---|---|
XPS analysis | at% | wt% | at% | wt% |
C | 43.1 | 30.0 | 56.2 | 40.9 |
O | 37.7 | 35.0 | 26.3 | 25.5 |
N | 4.1 | 3.3 | 11.1 | 9.4 |
Ca | 8.6 | 20.0 | 3.8 | 9.2 |
P | 6.5 | 11.7 | 2.6 | 4.9 |
Calculated HAP (wt%) | 51.3 | 23.2 | ||
Corrected HAP (wt%) XPS | 59.2 | 26.8 | ||
HAP (wt%) ToF-SIMS | 51.6 | 24.0 | ||
By calibration curve | ||||