نتایج جستجو برای: polyethylene glycol

تعداد نتایج: 43166  

1998
R. L. CUNNINGHAM S. H. GORDON F. C. FELKER K. ESKINS

A dry starch–oil composite was blended with each of three glycols; ethylene, polyethylene, and propylene, and then reacted with isocyanate to produce polyurethane foams. The liquid glycols permitted the dry composite to blend well with the other ingredients in the foam formulations. Infrared spectra confirmed the presence of urethane structures in the composite–glycol foams. Polyethylene glycol...

2015
Muhammad Tayyab Ansari Altaf Hussain Sumaira Nadeem Humaira Majeed Syed Saeed-Ul-Hassan Imran Tariq Qaisar Mahmood Abida Kalsoom Khan Ghulam Murtaza

Solid dispersions of artemether and polyethylene glycol 6000 (PEG6000) were prepared in ratio 12 : 88 (group-1). Self-emulsified solid dispersions of artemether were prepared by using polyethylene glycol 6000, Cremophor-A25, olive oil, Transcutol, and hydroxypropyl methylcellulose (HPMC) in ratio 12 : 75 : 5 : 4 : 2 : 2, respectively (group-2). In third group, only Cremophor-A25 was replaced wi...

Journal: :Clinical science 2004
Ragheb A Assaly Mustafa Azizi David J Kennedy Cristine Amauro Aiman Zaher Frederick W Houts Robert H Habib Joseph I Shapiro J David Dignam

Systemic inflammatory response conditions are associated with capillary leak and haemodynamic compromise. Fluid resuscitation to reverse the ensuing hypovolaemia is, however, complicated by the decreased endothelium reflection coefficient to albumin and other colloids. We developed PEG-Alb (albumin covalently linked to polyethylene glycol) as a potential resuscitative agent. PEG was covalently ...

2016
Katharina Wylon Sabine Dölle Margitta Worm

BACKGROUND Polyethylene glycols (PEGs) or macrogols are polyether compounds and are widely used as additives in pharmaceuticals, cosmetics, and food. CASE REPORT We report on a Caucasian patient experiencing recurrent severe allergic reactions to several drugs. An extensive diagnostic workup including skin prick tests, intradermal tests (IDT) and a double-blind oral challenge was performed to...

Journal: :Biomaterials 2006
Mariah S Hahn Lakeshia J Taite James J Moon Maude C Rowland Katie A Ruffino Jennifer L West

A simple, inexpensive photolithographic method for surface patterning deformable, solvated substrates is demonstrated using photoactive poly(ethylene glycol) (PEG)-diacrylate hydrogels as model substrates. Photolithographic masks were prepared by printing the desired patterns onto transparencies using a laser jet printer. Precursor solutions containing monoacryloyl-PEG-peptide and photoinitiato...

Journal: :Plant physiology 1981
A A Steuter

Water potential (Psiomega) values were determined for aqueous colloids of four molecular sizes of polyethylene glycol (PEG) using freezing-point depression and vapor-pressure deficit methods. A significant third-order interaction exists between the method used to determine Psiomega, PEG molecular size, and concentration. At low PEG concentrations, freezing-point depression measurements result i...

2012
Sujeet Kumar Gupta

Degradation or polyethylene glycol has been studi ed by UV irradiation. A drastic change in the morphology from spherulite to rhythmic pattern has been observed under polarized light microscope when exposed to UV light. Molecular weight of PEG. Rr value and melting point have been recorded after UV exposure. On UV exposure there has also been a change in UV. IR and powder X-ray diffraction patt...

Journal: :The Netherlands journal of medicine 2006
P de Graaf C Slagt J L C A de Graaf R J L F Loffeld

Endoscopy of the colon requires adequate cleansing of the entire bowel. Several laxative regimens have been propagated, but bowel preparation with polyethylene glycol (PEG) solution is popular because of the easy application and good cleansing results. Although very safe in daily use, complications of this bowel-cleansing procedure have been reported and aspiration of the PEG solution is a poss...

2003
L. SLADEK JACK MANILOFF

Phenol-extracted DNA from mycoplasma virus L2 was able to transfect Acholeplasma laidlawii in the presence of polyethylene glycol. Transfection was sensitive to DNase and was most efficient with 36% (wt/vol) polyethylene glycol 8000 and cells in logarithmic growth. Virus production by the transfected cells was similar to that of the cells infected by intact virus. L2 DNA transfected A. laidlawi...

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