TIAN Luyuan (1995-), male, Doctoral candidate. E-mail: tianluyuan@cug.edu.cn
Nanozyme can quickly and sensitively detect biomarkers to prevent the outbreak of diseases. However, the low catalytic activity and poor affinity for substrates restrict the detection performance. Montmorillonite, as a typical 2:1 layered silicate clay mineral, has a good adsorption and cation exchange ability. Thus, Fe3+ can be anchored into the layers to prepare Fe doping montmorillonite nanozyme with a peroxidase-like property, enhancing the affinity for H2O2 and realizing the colorimetric detection of H2O2. The results show that the linear range and detection limit of H2O2 are 20-500 μmol/L and 5.8 μmol/L under neutral conditions, respectively. The colorimetric method for silicate clay mineral nanozyme has a good application prospect in the fields of analytical detection and disease diagnosis.
| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |