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Table 1 Material used for the fabrication of smart MNs

From: Emerging era of microneedle array for pharmaceutical and biomedical applications: recent advances and toxicological perspectives

Polymers Metals/metalloids
Natural Biodegradable Non-biodegradable
CS PLGA Alginic acid Silicon
CMC PLA Gantrez AN-139 Titanium
Dextran PVP Polyvinyl acetate Stainless steel
Zein Polyglycolic acid PVA Palladium-cobalt alloys
Galactose Polycarbonate Carbopol 971 P-NF Palladium
Starch (thermoplastic) Polyvinylpyrrolidone Polyetherimide Nickel