نتایج جستجو برای: hydroxypropyl methyl cellulose

تعداد نتایج: 140860  

Journal: :Polymers for Advanced Technologies 2022

Abstract Hydrophilic polymers have been recognized for enhancing the physico‐chemical and biological properties of synthetic polyesters in field cancer treatment tissue engineering. In this article, anticancer drug, 5‐fluorouracil loaded membranes were prepared with polycaprolactone blended chitosan, hydroxypropyl methyl cellulose polyethylene glycol to study drug release ability breast alongsi...

Girish Tripathi, Gopal Nath Satyawan Singh

   Oral pH sensitive drug delivery systems are of utmost importance as these systems deliver the drug at specific part of the gastrointestine (GI) as per the pH of GI, resulting in improved patient therapeutic efficacy and compliance. The pH range of fluids in various segments of the GI tract may provide environmental stimuli for drug release. The aim of this study was to design buoyant beads c...

Journal: :Electrophoresis 2012
Glareh Azadi Anubhav Tripathi

Control of EOF in microfluidic devices is essential in applications such as protein/DNA sizing and high-throughput drug screening. With the growing popularity of poly(methyl methacrylate) (PMMA) as the substrate for polymeric-based microfludics, it is important to understand the effect of surfactants on EOF in these devices. In this article, we present an extensive investigation exploring chang...

Journal: :Electrophoresis 2012
Thitirat Mantim Duangjai Nacapricha Prapin Wilairat Peter C Hauser

CE methods with capacitively coupled contactless conductivity detection (C(4)D) were developed for the enantiomeric separation of the following stimulants: amphetamine (AP), methamphetamine (MA), ephedrine (EP), pseudoephedrine (PE), norephedrine (NE) and norpseudoephedrine (NPE). Acetic acid (pH 2.5 and 2.8) was found to be the optimal background electrolyte for the CE-C(4)D system. The chiral...

Journal: :Chemical & pharmaceutical bulletin 2000
C Enguehard J L Renou H Allouchi J M Leger A Gueiffier

From a pharmacophore model of bicyclic heterocycles as aromatase inhibitors we have designed three series of imidazo[1,2-a]pyridine derivatives. The synthesis and the spectroscopy determination of various compounds are reported. The crystal data of one of these compounds (10b) was obtained. The aromatase inhibition potency was evaluated in vitro and no activity was found.

2006
K. P. R. CHOWDARY VIJAYA SRINIVAS

Complexation of celecoxib with ß-cyclodextrin and hydroxypropyl-ß-cyclodextrin in the presence and absence of polyvinylpyrrolidone and the effect of polyvinylpyrrolidone on the solubilizing efficiency of cyclodextrins and on the dissolution rate of celecoxib from the cyclodextrin complexes were investigated. The phase solubility studies indicated the formation of celecoxib-ß-cyclodextrin and ce...

2007

Famotidine is a white to pale yellow crystalline compound that is freely soluble in glacial acetic acid, slightly soluble in methanol, very slightly soluble in water, and practically insoluble in ethanol. Each tablet for oral administration contains either 20 mg or 40 mg of famotidine and the following inactive ingredients: hydroxypropyl cellulose, hypromellose, iron oxides, magnesium stearate,...

Journal: :Aaps Pharmscitech 2021

In this study, two hydrophilic polymers hydroxypropyl methyl cellulose and beta-cyclodextrin (?-CD) are used to synthesize highly responsive spongy polymeric matrices. Porous stimulus-responsive network was developed improve the solubility of acyclovir (ACV) at significant level. Grafting successfully carried out by free radical polymerization technique. Spongy matrices were characterized perce...

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