Fig. 16From: The effect of 10,12-pentacosadiynoic acid on the morphology and characteristics of electrospun PDA/PU nanofibersChange of a* and b* value of PDA/PU nanofibers by treated time; a a* value, b b* value (spinning solution concentration: 12 wt%, ratio of PU to PCDA: 6:1)Back to article page