Table 2.

Elemental composition of the nanoparticles

Sample	C%*	H%*	N%*	Zn%**	Mg%**	Al%**	Fe%**
FNPs	0.02	0.54	1.02	–	–	–	47
PEG	52.69	8.98	1.64	–	–	–	–
Mg/Al-LDH	–	3.18	4.64	–	7.3	4.5	–
Zn/Al-LDH	–	2.37	4.45	6.8	–	5.2	–
5-FU	37.76	2.36	21.5	–	–	–	–
co-coated with MLDH	2.32	2.90	0.16	–	2.1	3.4	13.1
co-coated with ZLDH	5.49	2.26	0.24	3.8	–	3.3	21.3

Notes: *Calculated from CHNS analysis; **Calculated from ICP-ES analysis.