Table 1: Composition of SPHCs for preliminary screening of polymers.

IngredientsP1P2P3P4P5P6P7P8P9

AA* (50% v/v)500 μL500 μL500 μL500 μL500 μL500 μL500 μL500 μL500 μL
Chitosan (1% w/v)200 μL200 μL200 μL200 μL200 μL200 μL200 μL
Xanthan gum (1% w/v)200 μL
Sodium alginate (1% w/v)200 μL
HPMC K4M (1% w/v)200 μL
HPMC K15M (1% w/v)200 μL
HPMC K100M (1% w/v)200 μL
HPMC K4M (2% w/v)200 μL
HPMC K15M (2% w/v)200 μL
HPMC K100M (2% w/v)200 μL
BIS (2.5% w/v)100 μL100 μL100 μL100 μL100 μL100 μL100 μL100 μL100 μL
TEMED (20% v/v)25 μL25 μL25 μL25 μL25 μL25 μL25 μL25 μL25 μL
APS (20% w/v)25 μL25 μL25 μL25 μL25 μL25 μL25 μL25 μL25 μL
Span 80 (10% v/v)30 μL30 μL30 μL30 μL30 μL30 μL30 μL30 μL30 μL
DDW 300 μL300 μL300 μL300 μL300 μL300 μL300 μL300 μL300 μL
Sodium bicarbonate200 mg200 mg200 mg200 mg200 mg200 mg200 mg200 mg200 mg

AA: acrylic acid; HPMC: hydroxypropylmethyl cellulose; BIS: N,N′-methylene-bis-acrylamide; TEMED: N,N,N′,N′-tetramethylethylenediamine; APS: ammonium persulfate; DDW: double distilled water.