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Showing 25 to 36 of 2149 entries
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Instrumentation and automation for the separation sciences.

Journal of chromatography. A

Poole C.
PMID: 26499968
J Chromatogr A. 2015 Nov 20;1421:1. doi: 10.1016/j.chroma.2015.10.031. Epub 2015 Oct 20.

No abstract available.

Reprint of: fRMSDchiral: a novel algorithm to represent differences between positions of stereoisomers in complex with dissymmetric binding site.

Journal of chromatography. B, Analytical technologies in the biomedical and life sciences

Urniaz RD, Rutkowska EE, Plazinska A, Jozwiak K.
PMID: 24929899
J Chromatogr B Analyt Technol Biomed Life Sci. 2014 Oct 01;968:26-31. doi: 10.1016/j.jchromb.2014.05.012. Epub 2014 May 15.

The ability of molecules to distinguish between optical isomers is crucial for living systems. The change of position of one enantiomer in respect to the position of the second enantiomer within an asymmetric binding site may be analyzed on...

Ethyl lactate as a greener alternative to acetonitrile in RPLC: a realistic appraisal.

Journal of chromatographic science

Micăle F, Albu F, Iorgulescu EE, Medvedovici A, Tache F.
PMID: 26115951
J Chromatogr Sci. 2015 Nov-Dec;53(10):1701-7. doi: 10.1093/chromsci/bmv077. Epub 2015 Jun 26.

Appropriate substitution of acetonitrile (ACN) in mobile phases for reversed-phase liquid chromatography (RPLC) by low toxicity, ecologically friendly alternative solvents emerges as a greener approach in separation sciences. Ethyl lactate is considered as a green solvent in organic synthesis,...

Erratum.

Journal of chromatographic science

[No authors listed]
PMID: 27288502
J Chromatogr Sci. 2016 Jul;54(6):1074. doi: 10.1093/chromsci/bmw061.

No abstract available.

Quantitative structure-retention relationships with model analytes as a means of an objective evaluation of chromatographic columns.

Journal of chromatographic science

Ahmed Al-Haj M, Kaliszan R, Buszewski B.
PMID: 11206911
J Chromatogr Sci. 2001 Jan;39(1):29-38. doi: 10.1093/chromsci/39.1.29.

The performance of several previously designed model series of test analytes has been tested to characterize in an objective, quantitative manner modern stationary phases for reversed-phase high-performance liquid chromatography (RP-HPLC) using quantitative structure-retention relationships (QSRRs). Three QSRR approaches and...

Rejuvenate columns that have experienced peak-shape deterioration.

Journal of chromatographic science

[No authors listed]
PMID: 11206913
J Chromatogr Sci. 2001 Jan;39(1):44.

No abstract available.

Optimization of extraction conditions and fiber selection for semivolatile analytes using solid-phase microextraction.

Journal of chromatographic science

Shirey RE.
PMID: 10901413
J Chromatogr Sci. 2000 Jul;38(7):279-88. doi: 10.1093/chromsci/38.7.279.

A group of 15 large volatile and semivolatile analytes (MW 92-499 amu) representing 13 organic classes are extracted with 9 different solid-phase microextraction fibers. The extraction efficiencies of the fibers for each of the analytes are compared. The influence...

Gas chromatography problem solving and troubleshooting.

Journal of chromatographic science

[No authors listed]
PMID: 10890751
J Chromatogr Sci. 2000 Jun;38(6):262-3. doi: 10.1093/chromsci/38.6.262.

No abstract available.

A procedure for sampling and analysis of air for energetics and related compounds.

Journal of chromatographic science

Hable MA, Sutphin JB, Oliver CG, McKenzie RM, Gordon EF, Bishop RW.
PMID: 11881708
J Chromatogr Sci. 2002 Feb;40(2):77-82. doi: 10.1093/chromsci/40.2.77.

A procedure for the sampling and analysis of energetics and related compounds in the atmosphere is described. The basic procedure consists of the collection of air samples using sampling cartridges containing XAD-2 resin, extraction of the resin with isoamyl...

Separating a group of simple mono- and diprotic organic acids using an ion-pairing reagent in the eluent.

Journal of chromatographic science

Gilpin RK.
PMID: 12137211
J Chromatogr Sci. 2002 Jul;40(6):365. doi: 10.1093/chromsci/40.6.365.

No abstract available.

The USACHPPM gas chromatographic procedures for the analysis of waters and soils for energetics and related compounds.

Journal of chromatographic science

Bishop RW, Hable MA, Oliver CG, Valis RJ.
PMID: 12639254
J Chromatogr Sci. 2003 Feb;41(2):73-9. doi: 10.1093/chromsci/41.2.73.

The procedures currently used by the U.S. Army Center for Health Promotion and Preventive Medicine (USACHPPM) for the analysis of energetics and related compounds in water and soils are presented. These procedures are based on the use of isoamyl...

Investigation of host-guest stability constants of calix[n]arenes complexes with aromatic molecules by RP-HPLC method.

Journal of chromatographic science

Baudry R, Kalchenko O, Dumazet-Bonnamour I, Vocanson F, Lamartine R.
PMID: 12725700
J Chromatogr Sci. 2003 Mar;41(3):157-63. doi: 10.1093/chromsci/41.3.157.

Under reversed-phase high-performance liquid chromatographic conditions [Spherisorb ODS 1 stationary phase, UV detection at 254 nm, and acetonitrile-dichloromethane-acetic acid-methyl-tert-butylether (84.6/4.5/0.9/10, v/v/v/v) as the mobile phase], adding p-tert-butylcalix[8] (10(-5)-3.10(-5))-[12]arenes (10(-5)-4.10(-5) mol/L) to the mobile phase leads to decreased sorption of...

Showing 25 to 36 of 2149 entries