Table 1.
Tolerance of coexisting substancea.
| Substance | Concentration coexisting (×10−6 M) | Intensity change (%) | Substance | Concentration coexisting (×10−6 M) | Intensity change (%) |
|---|---|---|---|---|---|
| Hemoglobin | 10b | +0.4 | Fe3+, NO3 − | 10 | +3.4 |
| Myoglobin | 1b | −0.1 | Mg2+, SO4 2− | 1000 | +2.4 |
| Vitamin B1 | 5b | −4.7 | NH4 +, Cl− | 10000 | +4.5 |
| Glucose | 500b | +4.8 | K+, Cl− | 1000 | −1.3 |
| Fructose | 500b | +4.4 | Co2+, SO4 2− | 100 | −1.1 |
| Starch | 100b | +4.0 | Na+, Cl− | 10000 | +4.6 |
| β-alanine | 100b | −0.7 | Mn2+, SO4 2− | 1000 | +4.8 |
| β-CD | 100b | +2.7 | Cd2+, Ac− | 100 | −3.2 |
| Uric acid | 5 | −2.6 | Zn2+, SO4 2− | 100 | −0.7 |
| β-dextrin | 50 | +1.2 | Pb2+, NO3 − | 100 | +1.9 |
| Al3+, SO4 2− | 10 | +5.1 | K+, H2PO4 − | 10 | +4.1 |
| Ni2+, NO3 − | 10 | +3.0 | Cr3+, Cl− | 100 | −4.0 |
| Cu2+, SO4 2− | 10 | −4.9 | Ca2+, Cl− | 1000 | +4.8 |
aConditions: PFLX, 1.0 × 10−6 M; Tb(III) ion, 2.0 × 10−4 M; silver nanoparticles, 5.0 × 10−6 M; pH, 6.0 × 10−6 g mL−1.