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Table 1 Recapitulative table of each array’s microneedle parameters

From: Comparison of polymers to enhance mechanical properties of microneedles for bio-medical applications

%(w/w) 1 3 5
Hyaluronic acid
 Tip (µm) 72 ± 5 48 ± 8 48 ± 6
 Height (µm) 1012 ± 34 1033 ± 21 1077 ± 18
 Width (µm) 610 ± 32 600 ± 12 608 ± 10
Carboxymethyl cellulose
 Tip (µm) 67 ± 5 40 ± 5 58 ± 7
 Height (µm) 1086 ± 23 1074 ± 23 971 ± 34
 Width (µm) 608 ± 16 598 ± 16 539 ± 17
Alginate
 Tip (µm) 118 ± 24 57 ± 4 81 ± 6
 Height (µm) 930 ± 50 1026 ± 27 988 ± 23
 Width (µm) 574 ± 26 550 ± 15 517 ± 17
  1. The relative error given in the table were calculated using a statistical Student’s t-distribution law for a correlation coefficient of 0.95