Fig. 6From: Detection of thioredoxin-1 using ultra-sensitive ELISA with enzyme-encapsulated human serum albumin nanoparticleELISA results a using HEHPA for detection of Trx1 to see signal amplification. b Comparison of ELISA using HEHPA with ordinary ELISA using bare HRP probe. All signal intensities collected at OD = 450 nm (n = 4)Back to article page