نتایج جستجو برای: hydroxypropyl γ cyclodextrin

تعداد نتایج: 83373  

Wang Xinming, Xu Dongling

The interaction of brilliant green with herring sperm DNA was investigated in detail by spectrometric methods in γ-cyclodextrin systems. On the condition of physiological pH, brilliant green prefers to form the 1:1 inclusion complex with γ-cyclodextrin.All the evidences indicated that the binding modes between γ-cyclode...

Journal: :The Journal of nutritional biochemistry 2016
Osama A Alawin Rayan A Ahmed Baher A Ibrahim Karen P Briski Paul W Sylvester

A large percentage of human breast cancers are characterized by excessive or aberrant HER2 activity. Lipid rafts are specialized microdomains within the plasma membrane that are required for HER2 activation and signal transduction. Since the anticancer activity of γ-tocotrienol is associated with suppression in HER2 signaling, studies were conducted to examine the effects of γ-tocotrienol on HE...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2013
wang xinming xu dongling

the interaction of brilliant green with herring sperm dna was investigated in detail by spectrometric methods in γ-cyclodextrin systems. on the condition of physiological ph, brilliant green prefers to form the 1:1 inclusion complex with γ-cyclodextrin.all the evidences indicated that the binding modes between γ-cyclodextrin-brilliant green and dna were grooving binding and partial non-classica...

2014
Anxo Fernández-Ferreiro Noelia Fernández Bargiela María Santiago Varela Maria Gil Martínez Maria Pardo Antonio Piñeiro Ces José Blanco Méndez Miguel González Barcia Maria Jesus Lamas FranciscoJ Otero-Espinar

Fluconazole was studied with two different hydrophilic cyclodextrins (hydroxypropyl-β-cyclodextrin (HPBCD) and sulfobutyl ether-β-cyclodextrin (SBECD)) for the formation of inclusion complexes. HPBCD and SBECD showed low cell cytotoxicity in human keratocytes as assessed by the label-free xCELLigence system for real-time monitoring. The fluconazole-HPBCD complex was incorporated into an ion-sen...

Journal: :Journal of Biomaterials and Nanobiotechnology 2021

Cyclodextrins are naturally oligosaccharides which had cyclic glucopyranoside units even if six to form α-cyclodextrin (α-CD), seven β-cyclodextrin (β-CD) or eight γ-cyclodextrin (γ-CD) and some other derivatives. It has a truncated cone shape with hydrophobic cavity hydrophilic from the external surface of cyclodextrins. Gold nanoparticles incorporated cyclodextrins enhanced optical electrical...

2010
Kulkarni Ajit Shankarrao Ghadge Dhairysheel Mahadeo Kokate Pankaj Balavantrao

The aim of this study was to design orally disintegrating tablets of Olanzapine and to complex Olanzapine with 2-hydroxypropyl-β- cyclodextrin with special emphasis on disintegration and dissolution studies. Phase solubility studies demonstrated the formation of 1:1 molar inclusion complex by kneading method. Tablets were prepared by using superdisintegrants namely, sodium starch glycolate, cro...

2010
Tapan Kumar Giri Biswanath Sa

This study was undertaken to develop tablets of diazepam-hydroxypropyl-β-cyclodextrin inclusion complex that disintegrate within 3 minutes and release 85% of drug within 30 minutes to provide rapid action of the drug through oro-mucosal route. Formation of inclusion complex was verified using X-ray diffraction and differential scanning calorimetric studies. Enhanced of aqueous solubility, as ev...

Journal: :Acta pharmaceutica 2017
Hao Pan Han-Bing Wang Yi-Bin Yu Bing-Chao Cheng Xiao-Yu Wang Ying Li

Advantages of the supercritical fluid (SCF) process compared to the conventional solution stirring method (CSSM) in the preparation of daidzein-hydroxypropyl-β-cyclodextrin (HPβCD) complexes were investigated. Formation of daidzein/ HPβCD inclusion complexes was confirmed by Fourier transformed-infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), X-ray diffraction (XRD) and sc...

Journal: :Acta chimica Slovenica 2014
Gabriela Paun Elena Neagu Andreia Tache G L Radu

A new type of chitosan/2-hydroxypropyl-β-cyclodextrin composite membrane have been developed for the encapsulation and controlled release of gallic acid. The morphology of the composite membrane was investigated by infrared spectroscopy (FT-IR) and scanning electron microscopy (SEM), whereas swelling gallic acid and release properties were investigated by UV-visible spectroscopy. The release be...

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