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Showing 1 to 12 of 150 entries
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Two open states of P2X receptor channels.

Frontiers in cellular neuroscience

Rokic MB, Stojilkovic SS.
PMID: 24312007
Front Cell Neurosci. 2013 Nov 14;7:215. doi: 10.3389/fncel.2013.00215.

The occupancy of the orthosteric ligand binding sites of P2X receptor (P2XR) channels causes the rapid opening of a small cation-permeable pore, followed by a gradual dilation that renders the pore permeable to large organic cations. Electrophysiologically, this phenomenon...

Leveling effects of ammonium salts on thermal stabilities of polyethylene glycols.

Soft matter

Xia J, Song le X, Liu W, Teng Y.
PMID: 26029781
Soft Matter. 2013 Oct 28;9(40):9714-22. doi: 10.1039/c3sm51484f.

In this work, the thermal stabilities of a series of polyethylene glycols (PEG 4000, 6000 and 10000) were investigated after compositing with different kinds of inorganic salts, such as ammonium molybdate tetrahydrate (AMT), NH4VO3, (NH4)2SO4, NH4NO3, Na2SO4, Na2MoO4. It...

Long-Term Safety of PEGylated Coagulation Factor VIII in the Immune-Deficient Rowett Nude Rat.

Journal of toxicology

Rasmussen CE, Nowak J, Larsen JM, Moore E, Bell D, Liu KC, Sorensen NS, Kappers WA, Krogh-Meibom T, Offenberg H.
PMID: 28458688
J Toxicol. 2017;2017:8496246. doi: 10.1155/2017/8496246. Epub 2017 Mar 28.

Turoctocog alfa pegol (N8-GP) is a glycoPEGylated human recombinant factor VIII for the treatment of hemophilia A. The safety profile of rFVIII, and polyethylene glycols (PEG) technology, is well-established. Conducting long-term toxicity studies in animals using human proteins can...

Optimal and safe bowel preparation for colonoscopy.

Clinical endoscopy

Moon W.
PMID: 23767029
Clin Endosc. 2013 May;46(3):219-23. doi: 10.5946/ce.2013.46.3.219. Epub 2013 May 31.

Effective colonoscopy requires an adequate level of cleansing as a basic component. This review will describe a compact review about general considerations in bowel preparation for colonoscopy and specific considerations for various patients. A low-fiber diet instead of a...

A linear relation between the cloud point and the number of oxyethylene units of water-soluble nonionic surfactants valid for the entire range of ethoxylation.

Journal of colloid and interface science

Schott H.
PMID: 12742053
J Colloid Interface Sci. 2003 Apr 01;260(1):219-24. doi: 10.1016/s0021-9797(02)00183-2.

The following linear equation correlates the cloud point (CP) of water-soluble polyoxyethylated nonionic surfactants (NSs) with the average number p of oxyethylene units per molecule: (p - p0)/CP = a + b(p - p0). Here p0 is the smallest...

Nonosmotic Effects of Polyethylene Glycols upon Sodium Transport and Sodium-Potassium Selectivity by Rice Roots.

Plant physiology

Yeo AR, Flowers TJ.
PMID: 16663615
Plant Physiol. 1984 Jun;75(2):298-303. doi: 10.1104/pp.75.2.298.

Addition of polyethylene glycol (PEG) as an osmotic agent (at -230 kilopascals) dramatically lessened the toxicity of NaCl (at 50 moles per cubic meter) to rice (Oryza sativa L.) seedlings. This was explained by a reduction in the uptake...

Crystallization of biosynthetic arginine decarboxylase from Escherichia coli.

Acta crystallographica. Section D, Biological crystallography

Rodrigez BR, Carroll DW, Mitchell D, Momany C, Hackert ML.
PMID: 15299455
Acta Crystallogr D Biol Crystallogr. 1994 Mar 01;50:175-7. doi: 10.1107/S0907444993009989.

Putrescine is the immediate precursor for the synthesis of polyamines and is normally generated by the action of ornithine decarboxylase. However, putrescine can also be produced by the conversion of arginine to agmatine by arginine decarboxylase (bADC) followed by...

The Anti-calcification Effect of Dithiobispropionimidate, Carbodiimide and Ultraviolet Irradiation Cross-linking Compared to Glutaraldehyde in Rabbit Implantation Models.

The Korean journal of thoracic and cardiovascular surgery

Park S, Kim SH, Lim HG, Lim C, Kim YJ.
PMID: 23424053
Korean J Thorac Cardiovasc Surg. 2013 Feb;46(1):1-13. doi: 10.5090/kjtcs.2013.46.1.1. Epub 2013 Feb 06.

BACKGROUND: Glutaraldehyde (GA) is a widely used cross-linking agent for improving mechanical properties and resistance to enzymatic degradation of collagenous tissue, but it has several drawbacks such as calcification and cytotoxicity. The aim of this study was to find...

Physical properties of the cell wall of photoautotrophic suspension cells fromChenopodium rubrum L.

Planta

Gogarten JP.
PMID: 24221514
Planta. 1988 Jun;174(3):333-9. doi: 10.1007/BF00959518.

Photoautotrophic suspension cells ofChenopodium rubrum were used to determine Donnan potential, charge density and pore-radius distribution in the cell wall. Experiments were done either with turgescent cells or with isolated cell walls. Titration of a cell-wall-generated 9-aminoacridine fluorescence quench...

Analysis of hydraulic fracturing flowback and produced waters using accurate mass: identification of ethoxylated surfactants.

Analytical chemistry

Thurman EM, Ferrer I, Blotevogel J, Borch T.
PMID: 25164376
Anal Chem. 2014 Oct 07;86(19):9653-61. doi: 10.1021/ac502163k. Epub 2014 Sep 16.

Two series of ethylene oxide (EO) surfactants, polyethylene glycols (PEGs from EO3 to EO33) and linear alkyl ethoxylates (LAEs C-9 to C-15 with EO3-EO28), were identified in hydraulic fracturing flowback and produced water using a new application of the...

Investigation on NMR relaxivity of nano-sized cyano-bridged coordination polymers.

Inorganic chemistry

Perrier M, Kenouche S, Long J, Thangavel K, Larionova J, Goze-Bac C, Lascialfari A, Mariani M, Baril N, Guérin C, Donnadieu B, Trifonov A, Guari Y.
PMID: 24245933
Inorg Chem. 2013 Dec 02;52(23):13402-14. doi: 10.1021/ic401710j. Epub 2013 Nov 18.

We present the first comparative investigation of the Nuclear Magnetic Resonance (NMR) relaxivity of a series of nanosized cyano-bridged coordination networks stabilized in aqueous solution. These Ln(3+)/[Fe(CN)6](3-) (Ln = Gd, Tb, Y) and M(2+)/[Fe(CN)6](3-) (M = Ni, Cu, Fe)...

A Comparison of 2 L of Polyethylene Glycol and 45 mL of Sodium Phosphate versus 4 L of Polyethylene Glycol for Bowel Cleansing: A Prospective Randomized Trial.

Gut and liver

Bae SE, Kim KJ, Eum JB, Yang DH, Ye BD, Byeon JS, Myung SJ, Yang SK, Kim JH.
PMID: 23898382
Gut Liver. 2013 Jul;7(4):423-9. doi: 10.5009/gnl.2013.7.4.423. Epub 2013 Jun 11.

BACKGROUND/AIMS: Polyethylene glycol (PEG)-based gut lavage solutions are safe and effective, but require the intake of large volumes of fluid. The use of 2 L PEG plus 45 mL sodium phosphate (PEG2 plus NaP) was compared with 4 L...

Showing 1 to 12 of 150 entries