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Choi, Kyoung Jin
Energy Conversion Materials (EcoMAT) Lab
Research Interests
  • Solar cells, thermoelectrics, piezoelectric

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N,N,N-Trimethyl chitosan nanoparticles for controlled intranasal delivery of HBV surface antigen

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Title
N,N,N-Trimethyl chitosan nanoparticles for controlled intranasal delivery of HBV surface antigen
Author
Subbiah, RameshRamalingam, PrakashRamasundaram, SubramaniyanKim, Do YangPark, KwideokRamasamy, Mohan K.Choi, Kyoung Jin
Keywords
Allergic rhinitis; Chitosan nanoparticles; Hepatitis B; Hepatitis b virus surface antigens; In-vitro; In-vivo; Intranasal; Loading efficiency; Nasal delivery; Surface antigen; Trimethyl chitosan
Issue Date
201208
Publisher
ELSEVIER SCI LTD
Citation
CARBOHYDRATE POLYMERS, v.89, no.4, pp.1289 - 1297
Abstract
Hepatitis B virus surface antigen (HBsAg) loaded N,N,N-trimethyl chitosan nanoparticles (N-TMC NPs) were formulated and studied for controlled intranasal delivery. The size and surface properties of the NPs can be tuned by modifying the concentration of N-TMC and found to be 66 +/- 13, 76 +/- 9 nm for 0.25 and 0.5 wt.% respectively. Loading of 380 and 760 ill of HBsAg yielded 143 +/- 33, 259 +/- 47 nm sized spherical N-TMC NPs with highest loading efficiency and capacity of 90-93%, and 96-97% respectively. In vitro drug release analysis ensured 93% cumulative release of HBsAg antigen over prolonged period (43 days). In vivo immunological study was performed using 6-8 weeks old female BALB mice and reveals adjuvants efficiency of NPs for antigen is highly stable and better than standard. Obtained results show that N-TMC NPs can be extensively used in controlled intra nasal delivery to treat various diseases including hepatitis B and allergic rhinitis.
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DOI
http://dx.doi.org/10.1016/j.carbpol.2012.04.056
ISSN
0144-8617
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