نتایج جستجو برای: polyethylene glycol

تعداد نتایج: 43166  

Journal: :Canadian family physician Medecin de famille canadien 2009
Seen Chung Adam Cheng Ran D Goldman

UNLABELLED ABSTRACT QUESTION: I have come across many pediatric patients with functional constipation. Is polyethylene glycol 3350 without electrolytes a safe and effective long-term treatment option for these patients? ANSWER Functional constipation is a common and often difficult problem for parents and families to deal with. Polyethylene glycol 3350 is a safe and effective long-term laxati...

Journal: :Journal of biomedical materials research 2000
N A Alcantar E S Aydil J N Israelachvili

Surfaces covered with polyethylene glycol (PEG; HO-(CH(2)-CH(2)-O)(n)-H) have been shown to be biocompatible because PEG's properties yield nonimmunogenicity, nonantigenicity, and protein rejection. To produce a biocompatible surface coating, we have developed a method for grafting PEG onto activated silica films. We first deposited an amorphous silica film by plasma-enhanced chemical vapor dep...

2011
R. P. Garay J. P. Labaune

Covalent attachment of polyethylene glycol (PEG) to active proteins (PEGylation technology) successfully generated several FDA-approved compounds, including four blockbusters, which are considered non immunogenic. However, PEG antibodies and intolerance to the infusion were reported in some patients with gout treated with pegloticase, a PEG-uricase recently approved by the FDA (Food and Drug Ad...

Journal: :Gut 1974
J M Findlay W D Mitchell M A Eastwood A J Anderson A N Smith

Streaming of gastrointestinal contents depends on the demonstration of differential rates of recovery of equal doses of two synchronously fed markers. There was no significant difference in the rate of throughput of polyethylene glycol (a liquid phase marker) and chromium sesquioxide (a solid phase marker) in healthy volunteers (n = 7) and hospital inpatients (n = 5) with normal bowel habit, so...

Journal: :Physical review letters 2011
Yusuke T Maeda Axel Buguin Albert Libchaber

Thermophoresis, the Soret effect, depletes a high concentration of a polyethylene glycol polymer solution from the hot region and builds a concentration gradient. In such a solution, solutes of small concentration experience thermophoresis and polyethylene glycol concentration-dependent restoring forces. We report that by using focused laser heating and varying the polyethylene glycol concentra...

2012
RAJENDER GULERIA N. S. KAITH RANJIT SINGH

In the present work, gliclazide loaded polyethylene glycol (PEG) based solid dispersions were prepared using fusion method in order to improve the solubility and dissolution rate of gliclazide. The compatibility of the drug with various formulation components was established. Solid dispersions (SDs) of gliclazide and polyethylene glycol (PEG 4000, 6000 and 8000) at three mass ratios (1:1, 1:3, ...

Journal: :FEBS letters 1999
Z Kerem hammel K E Hammel

We have identified key components of the extracellular oxidative system that the brown rot fungus Gloeophyllum trabeum uses to degrade a recalcitrant polymer, polyethylene glycol, via hydrogen abstraction reactions. G. trabeum produced an extracellular metabolite, 2,5-dimethoxy-1,4-benzoquinone, and reduced it to 2,5-dimethoxyhydroquinone. In the presence of 2,5-dimethoxy-1,4-benzoquinone, the ...

Journal: :Acta dermato-venereologica 2004
Francesca Cottoni Silvia Bolognini Angelo Deplano Giovanni Garrucciu Noemi Elisabetta Manzoni Giovanna Francesca Careddu Maria Antonia Montesu Andreina Tocco Amelia Lissia Antonio Solinas

In the past decade, different modalities of antiviral therapy have been adopted aimed at eradicating hepatitis C virus infection. Initially, interferon was used in monotherapy, then interferon combined with ribavirin and amantadine. Recently, interferon has been conjugated with polyethylene glycol to allow optimization of its pharmacokinetic properties and to improve its antiviral activity. Thi...

Journal: :Journal of applied physiology 2010
Tom Van Maerken Annemieke Dhondt Joris R Delanghe

Stimulation of erythropoiesis by the third-generation erythropoietin drug, continuous erythropoietin receptor activator (CERA), a pegylated derivative of epoetin-beta, has provided valuable therapeutic benefits to patients suffering from renal anemia, but has also rapidly found application as an illicit performance-enhancing strategy in endurance sports. We present here a novel method for selec...

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