نتایج جستجو برای: nanocapsule

تعداد نتایج: 259  

2017
Svetlana A Chechetka Yue Yu Xu Zhen Manojit Pramanik Kanyi Pu Eijiro Miyako

Room temperature liquid metals (LMs) represent a class of emerging multifunctional materials with attractive novel properties. Here, we show that photopolymerized LMs present a unique nanoscale capsule structure characterized by high water dispersibility and low toxicity. We also demonstrate that the LM nanocapsule generates heat and reactive oxygen species under biologically neutral near-infra...

2014
Marc Strasser Peky Noriega Raimar Löbenberg Nádia Bou-Chacra Elfriede M. Bacchi

This paper provides evidence that the leaves and stem of Passiflora serratodigitata L. dry crude extract (DCE), ethylacetate fraction (EAF), and residual water fraction show potential antiulcerogenic activity. Interestingly, the polymeric nanocapsule loaded with EAF had 10-fold more activity than the free EAF. Furthermore, the polymer nanoparticles provided homogeneous colloidal drug delivery s...

Journal: :Nanoscale 2014
Xiang-Kun Nie Yi-Ting Xu Zhi-Ling Song Ding Ding Feng Gao Hao Liang Long Chen Xia Bian Zhuo Chen Weihong Tan

Molecular self-assembly, a process to design molecular entities to aggregate into desired structures, represents a promising bottom-up route towards precise construction of functional systems. Here we report a multifunctional, self-assembled system based on magnetic-graphitic-nanocapsule (MGN) templated diacetylene assembly and photopolymerization. The as-prepared assembly system maintains the ...

2014
Wujin Sun Tianyue Jiang Yue Lu Margaret Reiff Ran Mo Zhen Gu

A bioinspired cocoon-like anticancer drug delivery system consisting of a deoxyribonuclease (DNase)-degradable DNA nanoclew (NCl) embedded with an acid-responsive DNase I nanocapsule (NCa) was developed for targeted cancer treatment. The NCl was assembled from a long-chain single-stranded DNA synthesized by rolling-circle amplification (RCA). Multiple GC-pair sequences were integrated into the ...

2013
Midhun B Thomas Krishna Radhakrishnan Divya P Gnanadhas Dipshikha Chakravortty Ashok M Raichur

A novel polyelectrolyte nanocapsule system composed of biopolymers, chitosan and heparin has been fabricated by the layer-by-layer technique on silica nanoparticles followed by dissolution of the silica core. The nanocapsules were of the size range 200 ± 20 nm and loaded with the positively charged anticancer drug doxorubicin with an efficiency of 89%. The loading of the drug into the capsule h...

Journal: :Fishes 2023

A new insight into the synthesis of herbal plant (White poplar, Poplus alba) leave extract using chitosan nanocapsule was studied. The in vitro antibacterial activity white poplar (CWPNC) against Streptococcus agalactiae (S. agalactiae) determined. About 120 fish were categorized for 7 days four groups. first and second groups treated with 0 mg/L 3 CWPNC water, respectively, without being chall...

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