Table 1.

Classification of MOFs by Metal Ions for Drug Loading

Category	Naming	Organic Ligand	Drug Loading	Ref.
Fe-MOFs	MIL-88(Fe)	1,4-Benzenedicarboxylic acid	Tetracycline	[26]
		Terephthalic acid	Doxorubicin	[27]
	MIL-100(Fe)	1,3,5-Benzenetricarboxylic acid	Isoniazid, Oxaliplatin, Cyclophosphamide	[28–30]
	MIL-101(Fe)	Terephthalic acid	Procaine	[31]
K-MOFs	CD-MOF	Cyclodextrins	5-Fluorouracil, Carmofur, Salicylic acid	[32,33]
Zn-MOFs	Bio-MOF	2-Methoxy-4-methylphenol	Vancomycin	[34]
	Zn2(EBNB)2(BPY)2 2H2	(E)-Bis(p-3-nitrobenzoic acid) ethylene, 4,4′-Bipyridine	Methadone	[35]
Cu-MOFs	Cu-MOF	Terephthalic acid	Ibuprofen	[36]
	Cu-MOFs@Keratin	2-Aminoterephthalic acid	Doxorubicin	[37]
	Cu-BTC	Trimesic acid	Diethyl dithiocarbamate	[38]
Ca-MOFs	Ca-Sr-MOF	1,3,5-Benzenetricarboxylic acid	Tetracycline	[39]
	Ca-MOF	Chelidonic acid	Zoliflodacin	[40]
Zr-MOFs	UiO-67-CDC-(CH3)2	9H-Carbazole-2,7-dicarboxylic acid	5-Fluorouracil, Carmofur	[41]
	ZJU-800	(2E,2E′)-3,3′-(2-Fluoro-1,4-phenylene)diacrylic acid	Diclofenac sodium	[42]