Table 1.

Atomic composition of untreated Pt SPE and after LIFT with 0.1 M and 1 M phosphate buffer.

	Pt SPE At. %	Pt SPE LIFT PB 0.1 At. %	Pt SPE LIFT PB 1 At. %
C 1s	59.5 ± 0.6	37.7 ± 3.0	30.1 ± 2.3
O 1s	31.0 ± 0.8	44.5 ± 2.6	52.4 ± 1.0
Pb 4f	4.3 ± 0.3	5.3 ± 0.2	3.5 ± 0.3
Pt 4f	1.8 ± 0.3	1.6 ± 0.7	0.5 ± 0.2
P 2p	0.0	6.8 ± 1.3	8.2 ± 0.8
Al 2s	3.3 ± 0.4	3.6 ± 0.5	3.7 ± 3.2
K 2p	0.0	0.5 ± 0.1	1.6 ± 0.3