Table 2.

The top 12 most productive institutions regarding nanomaterial and GC research from 2004 to 2023

Rank	Institution	Country	Counts	Percentage	Total citations	H-Index
1	Shanghai Jiao Tong University	China	70	8.83	3337	34
2	Islamic Azad University	Iran	39	4.92	427	10
3	Nanjing University	China	35	4.41	1275	19
4	Chinese Academy of Sciences	China	33	4.16	1025	18
5	Nanjing Medical University	China	30	3.78	818	18
6	Southern Medical University China	China	23	2.90	497	11
7	Fudan University	China	22	2.77	558	11
8	Sun Yat Sen University	China	21	2.65	461	13
9	Naval Medical University	China	16	2.02	543	11
10	University of California System	USA	16	2.02	982	11
11	Yonsei University	Korea	16	2.02	393	9
12	Wuhan University	China	16	2.02	646	9