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Gold nanoclusters (AuNCs) are gold atom aggregates less than 2 nm (excluding the ligand shell) or 150 atoms. It has been widely studied due to its small size effect, fluorescence property, and catalytic activity. In this review, research progress in the preparation of gold nanoclusters containing accurate atom numbers using biomolecules and chemically synthesized molecules as ligands have been summarized. The factors that affect the preparation of gold nanoclusters have been discussed. The applications of AuNCs having accurate atomic numbers in the fields of analyte assay, catalysis, bioimaging, and drug delivery have been introduced. This review provides references to the further researches on the preparation technology and biomedical applications of AuNCs.
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| 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 |
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