نتایج جستجو برای: gamma cyclodextrins

تعداد نتایج: 125906  

Journal: :Acta poloniae pharmaceutica 2015
Kinga Lange Teresa Gierlach-Hładon

The alternative for a pure soluble, sensible for physical and chemical conditions oil form of α-tocopherol (α-T) is its complexation with cyclodextrins. A different influence of cyclodextrins on the included substance demands a stability investigation of the substance enclosed in a host-guest complex. Hence, the thermal stability of α-T in inclusion complexes (InCs) with cyclodextrins (CDs) was...

Journal: :The Journal of pharmacology and experimental therapeutics 2008
Naoko Nonaka Susan A Farr Haruaki Kageyama Seiji Shioda William A Banks

Galanin-like peptide (GALP) shows potential as a therapeutic in the treatment of obesity and related conditions. In this study, we compared the uptake by brain regions and peripheral tissues of radioactively iodinated GALP (I-GALP) after intranasal (i.n.), i.v., and i.c.v. administration. I-GALP was stable in blood and brain during the 10-min study time regardless of route of administration, an...

Journal: :European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V 2009
Ana Figueiras Juliane Hombach Francisco Veiga Andreas Bernkop-Schnürch

In this work the enhancing effect of cyclodextrins on the buccal permeation of a hydrophobic model drug, omeprazole was studied. First, the influence of the complexation with cyclodextrins in the absence and in the presence of an alkali agent, L-arginine, on the drug stability was checked at neutral conditions since omeprazole alone is only stable in basic conditions. In vitro transbuccal perme...

Journal: :Green Chemistry 2023

A continuous process of hydroaminomethylation in an aqueous multiphase system utilizing the green mass transfer agents randomly-methylated-β-cyclodextrins was established.

Journal: :Chemical communications 2012
Rudy Herbois Sébastien Noël Bastien Léger Lei Bai Alain Roucoux Eric Monflier Anne Ponchel

Cyclodextrins act as growth controllers in the synthesis of PVP-stabilized Ru(0) nanoparticles, leading to enhancement of the catalytic activity in the hydrogenation of furfural.

Journal: :Chemical communications 2011
Qian Wang Cheng Yang Chengfeng Ke Gaku Fukuhara Tadashi Mori Yu Liu Yoshihisa Inoue

Stereochemical outcomes were critically tuned by excitation wavelength in the supramolecular photocyclodimerization of 2-anthracenecarboxylic acid mediated by native and diamino-modified γ-cyclodextrins.

Journal: :Chemical communications 2009
Maher Fathalla Shao-Chun Li Ulrike Diebold Alina Alb Janarthanan Jayawickramarajah

A novel water-soluble nanorod is discussed, which is prepared via the self-assembly of pristine C60 and a double-sided porphyrin projecting four beta-cyclodextrins from each face.

Journal: :Journal of the Medical Association of Thailand = Chotmaihet thangphaet 2010
Jarunee Kaulpiboon Prakarn Rudeekulthamrong

OBJECTIVE To compare the effect of different reaction temperatures on the cyclization and coupling reactions of the Toruzyme CGTase influencing the yield of cyclodextrins (CDs) and to study the solubility of paracetamol with CDs. MATERIAL AND METHOD Type and amount of CDs were analyzed by HPAEC-PAD. The stability constants for the inclusion complex formed between CDs and paracetamol were dete...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهرکرد - پژوهشکده علوم 1391

فرض می${}$کنیم ‎$g$‎ یک گروه متناهی باشد. گراف اول ‎$g$‎ را با ‎$gamma(g)$‎ نمایش می${}$دهیم. گروه ساده نا${}$آبلی ‎$p$‎ به وسیله${}$ی گراف اولش شبه${}$تشخیص${}$پذیراست هرگاه هر گروه متناهی ‎$g$‎ که ‎$gamma(g) = gamma(p)$‎ است یک عامل ترکیبی یکریخت با ‎$p$‎ داشته باشد. در این پایان${}$نامه نشان خواهیم داد که گروه ساده${}$ی ‎$l_{10}(2)$‎ به وسیله${}$ی گراف اولش شبه${}$تشخیص${}$پذیر است. در حقی...

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