نتایج جستجو برای: olanzapine 2 hydroxypropyl β cyclodextrin inclusion complex

تعداد نتایج: 3365393  

Jagat Tripathy Sunakar Panda,

Inclusion complexes of 2-[Arylidenamino]-1,3,4-thiadiazino[6,5b]indoles have been prepared with β-cyclodextrin so as to increase the solubility of these compounds in polar medium which may increase theirbioaccessibility. The formation of inclusion complexes is known from the study of changes in physical andspectral properties of the compounds. The stability of the inclusion complexes has been s...

2012
Qunyou Tan Yi Li Jianyong Wu Hu Mei Chunjing Zhao Jingqing Zhang

OBJECTIVE The purpose of this study was to explore and evaluate the enhanced physical properties and biological activity of a molecular inclusion complex (MICDH) comprising diferuloylmethane (DFM) and hydroxypropyl-β-cyclodextrin. METHODS The preparation conditions of MICDH were optimized using an orthogonal experimental design. The solubility, in vitro release and model fitting, microscopic ...

2013
Nabilah Muhammad Nadzri Ahmad Bustamam Abdul Mohd Aspollah Sukari Siddig Ibrahim Abdelwahab Eltayeb E. M. Eid Syam Mohan Behnam Kamalidehghan Theebaa Anasamy Kuan Beng Ng Suvitha Syam Ismail Adam Arbab Heshu Sulaiman Rahman Hapipah Mohd Ali

Zerumbone (ZER) isolated from Zingiber zerumbet was previously encapsulated with hydroxypropyl- β -cyclodextrin (HP β CD) to enhance ZER's solubility in water, thus making it highly tolerable in the human body. The anticancer effects of this new ZER-HP β CD inclusion complex via apoptosis cell death were assessed in this study for the first time in liver hepatocellular cells, HepG2. Apoptosis w...

2014
Fengwei Ai Yingli Ma Jiayu Wang Yanfeng Li

Diosmin, a vascular-protecting agent, is practically insoluble in water, and its oral absorption is limited by its extremely low dissolution rate. In this study, β-cyclodextrin (βCD) and 2-hydroxypropyl-β-cyclodextrin (HPβCD) were obtained to improve the solubility and dissolution rate of diosmin. Phase solubility studies of diosmin with βCD and HPβCD in distilled water were conducted to charac...

Journal: :Bioorganic & medicinal chemistry 2005
Yu Liu Guo-Song Chen Yong Chen Jun Lin

The inclusion complexation behavior of azadirachtin with several cyclodextrins and their methylated derivatives has been investigated in both solution and the solid state by means of XRD, TG-DTA, DSC, NMR, and UV-vis spectroscopy. The results show that the water solubility of azadirachtin was obviously increased after resulting inclusion complex with cyclodextrins. Typically, beta-cyclodextrin ...

2011
Carolina Gonçalves Pupe Michele Villardi Carlos Rangel Rodrigues Helvécio Vinícius Antunes Rocha Lucianne Cople Maia Valeria Pereira de Sousa Lucio Mendes Cabral

BACKGROUND Diseases that affect the buccal cavity are a public health concern nowadays. Chlorhexidine and nystatin are the most commonly used drugs for the control of buccal affections. In the search for more effective antimicrobials, nanotechnology can be successfully used to improve the physical chemical properties of drugs whilst avoiding the undesirable side effects associated with its use....

2013
Fahima M. Hashem Mohamed Mostafa Mahmoud Shaker Mohamed Nasr

The objective of this study was to evaluate the influence of oxatomide β-cyclodextrin inclusion complex on the physicochemical properties and bioavailability of the drug. Oxatomide β-cyclodextrin solid complex was prepared with equimolar ratio of both oxatomide and β-cyclodextrin in presence or absence of water soluble polymers using different techniques. The coevaporated complex prepared in pr...

2008
Alicia Viviana Veglia

From the effect of β-cyclodextrin and hydroxypropyl-β-cyclodextrin on the UVvisible and fluorescence spectra of carbaryl and carbofuran, the values of association constants were determined. The ratio of the fluorescence quantum yields for the bound and free substrates indicated an enhanced fluorimetric method of detection.

2018
Li Zhang Mengxi Liu Chaocheng Lu Dandan Ren Guoqing Fan Chang Liu Mengjiao Liu Gang Shu Guangneng Peng Zhixiang Yuan Zhijun Zhong Wei Zhang Hualin Fu

Introduction Toltrazuril (Tol) is used to prevent and combat coccidiosis. However, its low aqueous solubility and poor oral bioavailability limit clinical application. Methods To overcome the shortcomings, toltrazuril-hydroxypropyl-β-cyclodextrin inclusion complex (Tol-HP-β-CD) was prepared and characterized. The comparative plasma disposition kinetics of Tol was analyzed after a single orall...

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