期刊
NANOMATERIALS
卷 7, 期 12, 页码 -出版社
MDPI AG
DOI: 10.3390/nano7120427
关键词
hyaluronan; nanohydrogels; nanoemulsion; transdermal delivery
类别
资金
- Global Frontier Project through the Center for BioNano Health-Guard - Ministry of Science and ICT (MSIT) [H-GUARD_2014M3A6B2060489, H-GUARD_2014M3A6B2 060507]
- KRIBB Research Initiative Program of the Republic of Korea
- National Research Foundation of Korea [2014M3A6B2060489] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
We suggest a convenient nanoemulsion fabrication method to create hyaluronan (HA)-based nanohydrogels for effective transdermal delivery. First, hyaluronan-conjugated dodecylamine (HA-Do) HA-based polymers to load the lipophilic agents were synthesized with hyaluronan (HA) and dodecylamine (Do) by varying the substitution ratio of Do to HA. The synthetic yield of HA-Do was more than 80% (HA-Do (A): 82.7 +/- 4.7%, HA-Do (B): 87.1 +/- 3.9% and HA-Do (C): 81.4 +/- 4.5%). Subsequently, nanohydrogels were fabricated using the nanoemulsion method. Indocyanine green (ICG) simultaneously self-assembled with HA-Do, and the size depended on the substitution ratio of Do in HA-Do (nanohydrogel (A): 118.0 +/- 2.2 nm, nanohydrogel (B): 121.9 +/- 11.4 nm, and nanohydrogel (C): 142.2 +/- 3.8 nm). The nanohydrogels were delivered into cells, and had excellent biocompatibility. Especially, nanohydrogel (A) could deliver and permeate ICG into the deep skin layer, the dermis. This suggests that nanohydrogels can be potent transdermal delivery systems.
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