Table 1:
Serum trace elements concentration between colorectal patients and controls
| Study (yr) | (Gupta & Shukla, 1993) | (Shenberg et al., 1995) | (Milde et al., 2001) | (Emre et al., 2013) | ||||
|---|---|---|---|---|---|---|---|---|
| Place | India | Belgium | Czach Republic | Turkey | ||||
| Sample | Healthy (n=30) | Tumour (n=30) | Healthy (n=10) | Tumour (n=11) | Healthy (n=10) | Tumour (n=20) | Healthy (n=29) | Metastatic Tumour (n=40) |
| Technique | AAS | INAA & PIXE | AAS | AAS | ||||
| Ca | NA | NA | 0.936± 0.195 | 0.935± 0.106 | NA | NA | NA | NA |
| Cd | NA | NA | NA | NA | NA | NA | 0.0027± 0.0003 | 0.1832± 0.1441* |
| Co | 98.84 ±24.31 | 165.99± 33.90* | NA | NA | NA | NA | NA | NA |
| Cr | NA | NA | NA | NA | NA | NA | 0.0061± 0.0016 | 0.0325± 0.0080* |
| Cu | NA | NA | NA | NA | 1.2± 0.1 | 0.90± 0.20 | 0.151± 0.0245 | 0.241± 0.1004* |
| Li | NA | NA | 1.270 ±0.090 | 1.212± 0.105 | NA | NA | NA | NA |
| Mg | NA | NA | NA | NA | 20.9 ±0.8 | 18.23± 2.93 | 10.81 ±1.4231 | 32.838± 11.8095* |
| Mn | NA | NA | 1.042 ±0.183 | 0.875± 0.180 | NA | NA | 0.2862± 0.0486 | 0.3326 ±0.2063* |
| Pb | NA | NA | NA | NA | NA | NA | 0.0268± 0.0077 | 0.1788± 0.0705* |
| Se | NA | NA | NA | NA | 74.5± 2.5 | 0.041± 0.009 | 0.1138± 0.0294 | 0.05534 ±0.0233* |
| S | NA | NA | 0.796± 0.103 | 0.807± 0.161 | NA | NA | NA | NA |
| Si | NA | NA | 1.261± 0.190 | 1.156± 0.096 | NA | NA | NA | NA |
| Zn | 115.08±16.1a | 93.21±13.43a* | NA | NA | 1.4± 0.1 | 1.03± 0.57 | 2.488± 0.332 | 5.134± 1.8658* |
INAA Instrumental Neutron Activation Analysis, PIXE Particle/proton Induced X-ray emission, AAS Atomic absorption spec-trometry, concentration in ngg-1,
*
statistically significant (P<0.05),
NA: not available