Nanoparticles

Reports Summarize Nanoparticles Research from H.Y. Lee and Co-Authors

Published in Immunotherapy Weekly, January 11th, 2012

2012 JAN 11 -- According to the authors of recent research from Gyeonggi Do, South Korea, "P-Phenylenediamine (PDA) or its related chemicals are used more extensively than oxidative hair dyes. However, permanent hair dyes such as PDA are known to have potent contact allergy reactions in humans, and severe allergic reactions are problematic."

"PDA-incorporated nanoparticles were prepared based on ion-complex formation between the cationic groups of PDA and the anionic groups of poly(gamma-glutamic acid) (PGA). To reinforce PDA/PGA ion complexes, glycol chitosan (GC) was added. PDA-incorporated nanoparticles were characterized using field-emission scanning...

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Source: Immunotherapy Weekly (2012-01-11)

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