Description
Detection principle
Phosphotungstic acid can be reduced by Cys and form tungsten blue, which has an absorption peak at 600 nm. Cys content can be calculated with the absorbance at 600 nm.
Performance characteristics
| Synonyms | Cys |
| Sample type | Serum,plasma,animal tissue,cells |
| Sensitivity | 0.03 mmol/L |
| Detection range | 0.07-2.0 mmol/L |
| Detection method | Colorimetric method |
| Assay type | Quantitative |
| Assay time | 30 min |
| Precision | Average inter-assay CV: 1.3%Average intra-assay CV: 1.1% |
| Other instruments required | Micropipettor, Centrifuge, Water bath, Incubator, Vortex mixer |
| Other reagents required | Phosphoric acid |
| Storage | 2-8℃ |
| Valid period | 3 months |
