| Name | C18 |
|---|---|
| Synonyms | B1; D1; BBS 9; BBS9; BBS9 GENE; Bardet Biedl syndrome 9 protein; C18; PTH responsive osteosarcoma B1 protein… |
| Name | naphthalene |
|---|---|
| CAS | naphthalene |
| PubMed | Abstract | RScore(About this table) | |
|---|---|---|---|
| 19081105 | Jandera P, Bocian S, Molikova M, Buszewski B: Characterization of the properties of stationary phases for liquid chromatography in aqueous mobile phases using aromatic sulphonic acids as the test compounds. J Chromatogr A. 2009 Jan 9;1216(2):237-48. Epub 2008 Nov 27. We investigated the effects of the concentration of naphthalene sulphonic acids (NSAs) as anionic test compounds in the injected sample and of the salt additives to the mobile phase on ion-exclusion. We studied chromatographic properties of several stationary phases intended for separations in aqueous mobile phases: a C18 column end-capped with polar hydrophilic groups, a densely bonded C8 column doubly end-capped with short alkyl groups, a short alkyl stationary phase designed to keep full pore accessibility in highly-aqueous mobile phases and a Bidentate column with "bridged" C18 groups attached to the hydride support. |
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| 17532325 | Huertas-Perez JF, Heger M, Dekker H, Krabbe H, Lankelma J, Ariese F: Simple, rapid, and sensitive liquid chromatography-fluorescence method for the quantification of tranexamic acid in blood. J Chromatogr A. 2007 Jul 20;1157(1-2):142-50. Epub 2007 May 6. Platelet-poor plasma was prepared, size-separated using 3kDa cut-off centrifuge filters, and derivatized with naphthalene-2-3-dicarboxaldehyde (NDA) and The derivatives were separated on a 2.1mm C18 column using an buffer/acetonitrile gradient. |
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| 19803133 | Lu L, Chen J, Guan Y: [Scale-up of conical column with 10 degree opening angle as preparative liquid chromatographic column]. Se Pu. 2009 May;27(3):299-302. The column was designed with the inlet/outlet diameters of 54/27 mm, the column length of 150 mm and the column volume of 200 mL, and packed with the spherical C18 bonded with the particle size of 40-75 microm and the aperture of 11 nm. For naphthalene, the reduced plate height was about 2.11; the maximum sample load was 2.1 mg or 1.7 mL (10% reduction of plate number), which is 20%, 16% and 19% higher than that of cylindrical one of the same length and volume. |
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| 20127918 | Molikova M, Jandera P: Characterization of stationary phases for reversed-phase chromatography. J Sep Sci. 2010 Mar;33(4-5):453-63. Retention characteristics of seven -based chromatographic columns (Bidentate C18, -hydride, Spherisorb ODS-1, Resolve C18, XTerra C18, XBridge Phenyl and Blaze C8 Polydentate) were compared. The columns were compared and classified on the basis of the results of the classical column performance tests, retention of homologous n-alkylbenzenes over a broad composition range of aqueous-organic mobile phases and of naphthalene sulphonic acids in aqueous mobile phases without organic solvents. |
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| 17689094 | Lacroix M, Garrigues JC, Couderc F: Reaction of naphthalene-2,3-dicarboxaldehyde with enkephalins for LC-fluorescence and LC-MS analysis: conformational studies by molecular modeling and H/D exchange mass spectrometry. J Am Soc Mass Spectrom. 2007 Sep;18(9):1706-13. Epub 2007 Jul 17. The peptides labeled with NDA and N,N-dimethylaminoethanethiol were separated on a reverse phase C18 column with a gradient of aqueous 0.1% and acetonitrile. |
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| 16983634 | Qu Q, Lu X, Huang X, Hu X, Zhang Y, Yan C: Preparation and evaluation of C18-bonded 1-microm particles for pressurized capillary electrochromatography. Electrophoresis. 2006 Oct;27(20):3981-7. The efficiency of the C18 RP column was characterized through the theoretical plates of thiourea, benzyl alcohol, toluene, styrene, and naphthalene. |
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| 17685239 | Rammouz G, Usta J, Ribeiro SJ, Messaddeq Y, Couderc F, Poinsot V: Analysis of by capillary electrophoresis coupled to laser-induced fluorescence detection: use of a transparent fused- capillary. J Capill Electrophor Microchip Technol. 2007;10(1-2):25-31. (C18-SPP) is a sphingolipid with important functional and structural roles in cells. The method utilizes a commercial standard C17- (C17-SPP) derivatized with naphthalene-2,3-dicarboxaldehyde (NDA), a fluorogenic dye used to label primary amines. |
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| 17543317 | Gritti F, Cavazzini A, Marchetti N, Guiochon G: Comparison between the efficiencies of columns packed with fully and partially porous C18-bonded materials. J Chromatogr A. 2007 Jul 20;1157(1-2):289-303. Epub 2007 May 16. The reduced plate heights of two low molecular weight compounds, naphthalene and anthracene, two peptides (lys-bradykinin and bradykinin), and four proteins, insulin, lysozyme, beta-lactoglobulin, and bovine serum albumin were measured in a wide flow rate range and analyzed on the basis of the Van Deemter equation and of modern models for its terms. |
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| 18081085 | Ogali RE, Osuji LC, Ayodele O: Acute toxicity of the water-soluble fraction of spent lubricating oil on the African catfish Clarias gariepinus. Chem Biodivers. 2007 Dec;4(12):2755-65. The solubility of the detected straight-chain aliphatics ranked as C14> C16> C32> C18> C28; that of the simple aromatics was ortho-xylene> para-xylene; and that of the polyaromatic hydrocarbons (PAHs) was acenaphthylene> 9H-fluorene> naphthalene> anthracene> phenanthrene> chrysene> be nzo [k] fluoranthene> benzo [a] pyrene> benzo [b] fluoranthene, most of which being serious carcinogens. |
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| 16289559 | Gritti F, Guiochon G: A chromatographic estimate of the degree of surface heterogeneity of reversed-phase liquid chromatography packing materials. J Chromatogr A. 2006 Jan 20;1103(1):57-68. Epub 2005 Nov 14. II-Endcapped monomeric C18-bonded stationary phase.. In a previous report, the heterogeneity of a non-endcapped C30-bonded stationary phase was investigated, based on the results of the measurements of the adsorption isotherms of two neutral compounds and and two ionizable compounds naphthalene sulfonate and propranololium by frontal analysis (FA). |
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| 16580678 | Gritti F, Guiochon G: Adsorption mechanism in reversed-phase liquid chromatography. J Chromatogr A. 2006 May 19;1115(1-2):142-63. Epub 2006 Apr 3. Effect of the surface coverage of a monomeric C18- stationary phase.. The effect of the bonding density of the octadecyl chains onto the same on the adsorption and retention properties of low molecular weight compounds and 2-naphthalene sulfonate) was investigated. |
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| 16359691 | Gritti F, Guiochon G: A chromatographic estimate of the degree of surface heterogeneity of RPLC packing materials. J Chromatogr A. 2006 Jan 20;1103(1):69-82. Epub 2005 Dec 15. The difference in adsorption behavior between a conventional monomeric endcapped C18 stationary phase (3.43 micromol/m2) and an endcapped polymeric RP- phase (3.31 micromol/m2) was investigated. The adsorption isotherms of four compounds 2-naphthalene sulfonate, and propranololium were measured by frontal analysis (FA) and the degree of heterogeneity of each phase for each solute was characterized by their adsorption energy distributions (AED), derived using the Expectation-Maximization method. |
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