Table 1.

Elemental Analysis of MMSN and MMSN-Au (Atomic Percentage)

Sample	Fe(%)	Si(%)	O(%)	C(%)	N(%)	Au(%)
MMSN	0.35	24.45	45.62	27	2.59	–
MMSN-Au	0.31	22.55	41.66	32.28	2.89	0.31