نتایج جستجو برای: lecithin organogels

تعداد نتایج: 3682  

Journal: :Journal of pharmacy & pharmaceutical sciences : a publication of the Canadian Society for Pharmaceutical Sciences, Societe canadienne des sciences pharmaceutiques 2012
Hugo Almeida Maria Helena Amaral Paulo Lobão José Manuel Sousa Lobo

Topical drug treatment aims at providing high concentrations of drugs at the site of application so as to avoid adverse systemic effects associated with oral administration. Smart polymers, or stimuli-responsive polymers, are able to respond to a stimulus by showing physical or chemical changes in their behaviour as, for example, the delivery of the drug carried by them. The thermo-responsive n...

2016
Yosra SR Elnaggar Sara M Talaat Mohammed Bahey-El-Din Ossama Y Abdallah

Terconazole (Tr) is the first marketed, most active triazole for vaginal candidiasis. Owing to poor skin permeation and challenging physicochemical properties, Tr was not employed for the treatment of cutaneous candidiasis. This is the first study to investigate the relevance of novel lecithin-integrated liquid crystalline nano-organogels (LCGs) to improve physicochemical characteristics of Tr ...

Journal: :Asian journal of pharmaceutical research and development 2022

A simple working definition of this term'Gel' is a soft, durable or solid material,containing both solids and liquid parts, where the part(gelator) exists as amesh / network aggregates, viz immobilize part liquid,a strong prevents from leaking flow, especially by local pressure. The gel called hydrogel Organogel depending on type component: water in living solvent organogels .Organogels have be...

Journal: :Chemical communications 2013
Tao Zhang Qipeng Guo

We prepared HIPE organogels from polymer organogels which were pre-formed based on a triblock ionomer and polypropylenimine dendrimers via charge-induced assembly. The morphologies of the HIPE organogels are little changed with salt concentrations while the mechanical strength of the organogels can be tuned by PPI dendrimers.

Journal: :Chemical communications 2014
Tao Zhang Yuanpeng Wu Zhiguang Xu Qipeng Guo

Hybrid HIPE organogels were prepared from pre-formed hybrid organogels, which were formed from a triblock ionomer and Fe3O4 nanoparticles via charge-driven assembly. Magnetic materials can be obtained from these hybrid HIPE organogels simply by removal of solvents, and these materials have been confirmed to be excellent candidates for absorption of oil from water.

2014
Zong Meng Lijun Yang Wenxin Geng Yubo Yao Xingguo Wang Yuanfa Liu

The isothermal and nonisothermal crystallization kinetics of monoglyceride (MAG) organogels were studied by pulsed nuclear magnetic resonance (pNMR) and differential scanning calorimetry (DSC), respectively. The Avrami equation was used to describe the isothermal crystallization kinetics and experimental data fitted the equation fairly well. Results showed that the crystal growth of MAG organog...

Journal: :Chemical science 2015
Jennifer R Hiscock Mark R Sambrook Neil J Wells Philip A Gale

A series of supramolecular diamide organogels containing a reactive compound for the remediation of organophosphorus (OP) species, in particular OP chemical warfare agents (CWAs), has been prepared in DMSO. The organogels have been found to absorb, encapsulate and decontaminate various OP CWA simulants in situ. At high simulant concentrations the gels also undergo a gel-sol transition releasing...

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