نتایج جستجو برای: chitosan and trimethylchitosan nanoparticles

تعداد نتایج: 16861549  

Amir Ahmad Salarian, Zahra Hami,

Background: Curcuma longa generally known as turmeric includes curcuminoids and sesquiterpenoids as components, which are known to have antioxidative, anticarcinogenic, and anti-inflammatory activities. Iron, magnetite, and hematite as a micronutrient play an important role in physiological and chemical processes. Chitosan is a natural polymer derived from chitin and is recognized as versatile ...

2013
Liqin Jiang Xuemin Li Lingrong Liu Qiqing Zhang

Oral chemotherapy is a key step towards 'chemotherapy at home', a dream of cancer patients, which will radically change the clinical practice of chemotherapy and greatly improve the quality of life of the patients. In this research, three types of nanoparticle formulation from commercial PCL and self-synthesized d-α-tocopheryl polyethylene glycol 1000 succinate (PLA-PCL-TPGS) random copolymer w...

2016
Tayebeh Basiri Walter L. Siqueira Yizhi Xiao

.............................................................................................................................. ii Co-Authorship ................................................................................................................... iii Acknowledgments ............................................................................................................. iv Tabl...

2011
Partha Saha Amit K Goyal Goutam Rath

Purpose: To develop ampicillin trihydrate-loaded chitosan nanoparticles by modified ionic gelation method and evaluate their antimicrobial activity. Methods: Ampicillin trihydrate-loaded chitosan nanoparticles were prepared by ionic gelation method with the aid of sonication. Parameters such as the zeta potential, polydispersity, particle size, entrapment efficiency and in vitro drug release of...

Journal: :International Journal of Nanomedicine 2006
Hui Dai Xuan Jiang Geoffrey CY Tan Yong Chen Michael Torbenson Kam W Leong Hai-Quan Mao

The goal of this study was to examine the efficacy of liver-targeted gene delivery by chitosan-DNA nanoparticles through retrograde intrabiliary infusion (RII). The transfection efficiency of chitosan-DNA nanoparticles, as compared with PEI-DNA nanoparticles or naked DNA, was evaluated in Wistar rats by infusion into the common bile duct, portal vein, or tail vein. Chitosan-DNA nanoparticles ad...

2017
Agus Haryono Korrie Salsabila Witta Kartika Restu Sri Budi Harmami Dodi Safari

BACKGROUND We investigate the immunogenic properties of chitosan and liposome nanoparticles as adjuvant codelivery against a commercial pneumococcal conjugate vaccine (PCV) in an animal model. METHODS The chitosan and liposome nanoparticles were prepared by ionic gelation and dry methods, respectively. The PCV immunization was performed intradermally in the presence of adjuvants and booster i...

Journal: :nanomedicine journal 0
iman rasaee department of biotechnology, imam khomeini international university, qazvin, iranسازمان اصلی تایید شده: دانشگاه بین المللی امام خمینی (imam khomeini international university) maryam ghannadnia department of biotechnology, imam khomeini international university, qazvin, iranسازمان اصلی تایید شده: دانشگاه بین المللی امام خمینی (imam khomeini international university) hosein honari center of biosciences research, imam hossein comprehensive university, tehran, iran

objective(s): chitosan nanoparticles (cnps) were prepared based on the ionic gelation of chitoan with anionic compounds of ocimum basilicum leaf extract. materials and methods: after addition of ocimum basilicum leaf extract to chitosan solution, the physicochemical properties of the nanoparticles were determined by field emission scanning electron microscope (fesem), fourier transform infrared...

2011
P. Yousefpour F. Atyabi R. Dinarvand E. Vasheghani-Farahani

BACKGROUND Chitosan has gained considerable attentions as a biocompatible carrier to improve delivery of active agents. Application of this vehicle in the form of nanoparticle could profit advantages of nanotechnology to increase efficacy of active agents. The purpose of this study was to provide detailed information about chitosan-glutathione (Cht-GSH)nanoparticles which are gaining popularity...

2017
Zahra Sobhani Soliman Mohammadi Samani Hashem Montaseri Elham Khezri

Purpose: Chitosan is a natural mucoadhesive polymer with antibacterial activity. In the present study, chitosan (CS) nanoparticles were investigated as a vehicle for delivery of antibiotic, ciprofloxacin hydrochloride. Methods: Ionotropic gelation method was used for preparation chitosan nanoparticles. The effects of various factors including concentration of CS, concentration of tripolyphospha...

2014
Naresh Kumar Anil Kumar Patel Neeraj Kumari

Cancer remains one of the dreadful disease still today. Chemotherapy, radiotherapy and surgery are effective treatments available for treatment of cancer but have serious side effects. Due to advancement in nanomedicine, several drug carriers have became popular. But chitosan for anticancer drug delivery has became popular due to its easy availability, less cyototoxicity and biodegradability. R...

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