نتایج جستجو برای: methylated cyclodextrin

تعداد نتایج: 17859  

Journal: :iranian journal of pharmaceutical research 0
ds ghodke pd nakhat pg yeole ns naikwade cs magdum rr shah

domperidone is a widely used antiemetic, poorly water soluble drug, erratically absorbed in stomach and possess several dissolution-related problems thus it has poor bioavailability. solubility of a drug plays a very important role in dissolution and hence absorption of drug which ultimately affects its bioavailability. hence, by considering the facts related to drug, attempts have been made to...

CS Magdum DS Ghodke NS Naikwade PD Nakhat PG Yeole RR Shah

Domperidone is a widely used antiemetic, poorly water soluble drug, erratically absorbed in stomach and possess several dissolution-related problems thus it has poor bioavailability. Solubility of a drug plays a very important role in dissolution and hence absorption of drug which ultimately affects its bioavailability. Hence, by considering the facts related to drug, attempts have been made to...

CS Magdum DS Ghodke NS Naikwade PD Nakhat PG Yeole RR Shah

Domperidone is a widely used antiemetic, poorly water soluble drug, erratically absorbed in stomach and possess several dissolution-related problems thus it has poor bioavailability. Solubility of a drug plays a very important role in dissolution and hence absorption of drug which ultimately affects its bioavailability. Hence, by considering the facts related to drug, attempts have been made to...

Journal: :Periodica Polytechnica Chemical Engineering 2023

The number of the cyclodextrin-containing drug formulations on market has been continuously growing since first (prostaglandin E1 formulated with ?-cyclodextrin) was launched in Japan 1976. We have collected a list drugs from various sources available internet to find 130 approved pharmaceutical ingredients either parent cyclodextrins or their hydroxypropyl, sulfobutyl, random methylated sulfol...

Journal: :Dalton transactions 2012
Koji Kano Syoichi Chimoto Mariko Tamaki Yoshiki Itoh Hiroaki Kitagishi

Three types of per-O-methylated β-cyclodextrin dimers, Im2CD, Im3NHCD and Py3NHCD, were prepared as globin models. Im2CD was synthesized by the condensation reaction of mono(2(A)-amino)-per-O-methylated β-cyclodextrin with 3-(1H-imidazol-1-yl)pentanedioic acid. Im3NHCD and Py3NHCD were obtained through the S(N)2 reactions of mono(2(A),3(A)-epoxy)-per-O-methylated β-cyclodextrin with 3-(1H-imida...

Journal: :Journal of the Indian Chemical Society 2021

Halloysite nanotube supported ruthenium catalyst was prepared by an easy and reproducible in situ bottom up approach. Ruthenium (III) chloride reduced sodium borohydride the presence of halloysite nanotubes dispersed water. Several analyses confirm immobilization particles onto aluminosilicate support. The synthesized then tested hydrogenation 1-hexadecene, a highly hydrophobic compound, aqueou...

Journal: :Biomedical microdevices 2011
Javier Calvo José Luis Lavandera Maite Agüeros Juan M Irache

The aim was to study the ability of bioadhesive cyclodextrin-poly(anhydride) nanoparticles as carriers for the oral delivery of atovaquone (ATO). In order to increase the loading capacity of ATO by poly(anhydride) nanoparticles, the following oligosaccharides were assayed: 2-hydroxypropyl-β-cyclodextrin (HPCD), 2,6-di-O-methyl-β-cyclodextrin (DCMD), randomly methylated-β-cyclodextrin (RMCD) and...

Journal: :Chemical communications 2015
J Potier S Menuel J Lyskawa D Fournier F Stoffelbach E Monflier P Woisel F Hapiot

The catalytic performance of thermoresponsive poly(N-isopropylacrylamide) (PNIPAM) functionalized at the terminal position with randomly methylated β-cyclodextrin was demonstrated by the aqueous Rh-catalysed hydroformylation of higher olefins.

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 ...

2014
Lisa Markenstein Antje Appelt-Menzel Marco Metzger Gerhard Wenz

The mono-6-deoxy-6-azides of 2,6-di-O-methyl-β-cyclodextrin (DIMEB) and randomly methylated-β-cyclodextrin (RAMEB) were conjugated to propargylated hydroxyethyl starch (HES) by Cu(+)-catalysed [2 + 3] cycloaddition. The resulting water soluble polymers showed lower critical solution temperatures (LCST) at 52.5 °C (DIMEB-HES) and 84.5 °C (RAMEB-HES), respectively. LCST phase separations could be...

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