Acute oral toxicity and biodistribution study of zinc-aluminium-levodopa nanocomposite

Table 6 Particle sizes, shape and distribution pattern

Sample	ZA - LDH	ZAL - LDH	ZAL	ZA
Shape	Layered type	Particulate type layered	Layered type	Very narrow layered particulate type
Average size	55 nm	32 nm	31 nm	97 nm
Particle size distribution	Narrow	Narrow	Narrow	Narrow

Table showing particle sizes, shape and distribution for both intercalated and un-intercalated zinc-aluminium nanocomposite before and after coating with Tween-80. ZA-LDH (zinc-aluminium layered double hydroxide nanocomposite), ZAL-LDH (zinc-aluminium-levodopa layered double hydroxide nanocomposite), ZAL (zinc-aluminium-levodopa layered double hydroxide nanocomposite coated with Tween-80), ZA (zinc-aluminium layered double hydroxide nanocomposite coated with Tween-80).