http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Ngoan Thi Nguyen,Dai Lam Tran,Duc Cuong Nguyen,Thai Loc Nguyen,Thi Cham Ba,Binh Hai Nguyen,Thi Duong Ba,Nam Hong Pham,Dzung Tuan Nguyen,Thai Hoa Tran,Gia Dien Pham 한국물리학회 2015 Current Applied Physics Vol.15 No.11
Nanocomposites containing two or more functional constituents are attractive candidates for advanced nanomaterials. In this study, multifunctional Ag/Fe3O4-CS nanocomposites were successfully prepared, using chitosan as a stabilizing and cross-linking agent. The as-synthesized nanocomposites were characterized by Transmission Electron Microscopy (TEM), Scanning Electron Microscopy (SEM), X-ray diffraction (XRD), Energy-dispersive X-ray spectroscopy (EDS), UVevisible spectrophotometer (UVeVis) and vibrating sample magnetometer (VSM). The results demonstrated that Ag/Fe3O4-CS composite nanoparticles (NPs) were composed of parent components, Fe3O4 and Ag NPs, which were uniformly dispersed in the chitosan matrix. The hybrid NPs exhibited strong antibacterial property against Pseudomonas aeruginosa. With high magnetization value (67 emu/g), the synthesized Ag/Fe3O4-CS composite can be easily separated or recycled in potential biomedical applications. Furthermore, the results showed that the multicomponent hybrid nanostructures appeared to be the promising material for local hyperthermia, which can be used as thermoseeds for localized hyperthermia treatment of cancers.
A Novel Chitosan-Gossypol Based Nanocarrier for Anticancer Curcumin Drug Delivery
( Ngoan Thi Nguyen ),( Lam Dai Tran ),( Duong Quang Le ),( Dien Gia Pham ),( Phuc Xuan Nguyen ),( Jun Seo Park ),( Jae Kweon Park ) 한국키틴키토산학회 2012 한국키틴키토산학회지 Vol.17 No.2
Gossypol chitosan (GPCS) nanoparticles have been successfully synthesized at the size of 20-40 nm through amidation process to forming base shift of polymer chains of chitosan using gossypol as a crosslinking agent. Their structure was confirmed by Fourier Transformed Infra Red (FT-IR) spectra. Morphology, stability, loading and releasing efficiency of GPCS and Cur/GPCS (Cur stands for curcumin) were thoroughly investigated by Field Emission Scanning Electron Microscopy (FESEM), FT-IR, Ultra Violet-Visible spectrophotometry (UV-Vis) and High Resolve Photoluminescence System (HRPLS). The obtained nanocarrier exhibited an excellent solubility for Cur anticancer drug as well as high stability for in vitro studies. An intensive fluorescence, allowing drug monitor/delivery, was achieved. Drug release profile was also studied. GPCS, therefore, could be considered to be a potential drug carrier for therapeutic treatment.