Table 2.

The obtained maximum absorbance peaks for GNPs and drugs conjugated GNPs after 72 h and 6 months in the environmental and after 24 h and 2 weeks in the in vitro conditions.

Samples	Maximum absorbance peak (nm)
	Environmental condition		In vitro condition
	72 h	6 months	24 h	2 weeks
GNPs	524	529	520	525
Capecitabine conjugated GNPs	533	539	533	531
Tamoxifen conjugated GNPs	525	528	528	524
Paclitaxel conjugated GNPs	545	548	547	545