Table 2.

Comparison table for the reduction of gold-graphene by different chemical reducing agents.

Reducing Material	Reduction Condition	Number Steps	Reference
Ascorbic Acid, NaBH4	80 °C, 6 h	Two	24
Azadirecta indica	25 °C, 24 h	One	50
Rose water	95 °C, 5 h	One	46
DNA	NaOH, 95 °C, 5 h	Two	51
Diastase	NH4OH, 90 °C, 6 h	One	49
Bovine serum albumin	NaOH, 55–90 °C, 3–24 h	Two	20
Tyrosine	100 °C, 3 h	Two	52
Thermostable Peptide (Nisin)	121 °C, 15 min	One	This work