. 2015 May 7;5:10022. doi: 10.1038/srep10022

Table 1. Performance characteristics comparison of memory devices with albumen, PMMA, PHEMA, and various biomaterials.

Device	Memory Property			Ref
	I_on/off	Retention Time (S)	Switching Cycles
Thermal-baked Albumen	>10³	>10⁴	~ 500	This work
Dry-Cured Albumen	>10³	>10⁴	~ 50	This work
PMMA	>10³	>10⁴	~ 500	Our previous work
PHEMA	>10⁴	>10⁴	~ 500	20
Silk Fibroin Protein	~ 10	>800	~ 120	10,11
Silk Protein/Au Nanoparticles Blends	>10⁶	>10²	>10	12
Enzyme Multilayers	>10²	>10⁴	~ 200	8
PAH/Ferritin Nanoparticle Multi-Layers	>10³	>10⁴	~ 300	9
Sericin	~ 10⁶	>10³	~ 21	13