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Showing 1 to 12 of 12 entries
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Accurate on-line mass flow measurements in supercritical fluid chromatography.

Journal of chromatography. A

Tarafder A, Vajda P, Guiochon G.
PMID: 24210558
J Chromatogr A. 2013 Dec 13;1320:130-7. doi: 10.1016/j.chroma.2013.10.041. Epub 2013 Oct 22.

This work demonstrates the possible advantages and the challenges of accurate on-line measurements of the CO2 mass flow rate during supercritical fluid chromatography (SFC) operations. Only the mass flow rate is constant along the column in SFC. The volume...

Supercritical fluid chromatography coupled to electrospray mass spectrometry: a powerful tool for the analysis of chiral mixtures.

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

Garzotti M, Hamdan M.
PMID: 12013244
J Chromatogr B Analyt Technol Biomed Life Sci. 2002 Apr 25;770(1):53-61. doi: 10.1016/s1570-0232(01)00582-7.

Supercritical fluid chromatography coupled to a hybrid mass spectrometer (Q-Tof2) equipped with electrospray ion source has been used to separate and characterise a wide range of pharmaceutical racemates. We have chosen diverse molecular structures to demonstrate the potential of...

Current trends in supercritical fluid chromatography.

Analytical and bioanalytical chemistry

West C.
PMID: 30051210
Anal Bioanal Chem. 2018 Oct;410(25):6441-6457. doi: 10.1007/s00216-018-1267-4. Epub 2018 Jul 27.

Supercritical fluid chromatography (SFC), which employs pressurized carbon dioxide as the major component of the mobile phase, has been known for several decades but has faced a significant resurgence of interest in the recent years, thanks to the development...

FastTrack to supercritical fluid chromatographic purification: Implementation of a walk-up analytical supercritical fluid chromatography/mass spectrometry screening system in the medicinal chemistry laboratory.

Journal of chromatography. A

Aurigemma C, Farrell W.
PMID: 20728893
J Chromatogr A. 2010 Sep 24;1217(39):6110-4. doi: 10.1016/j.chroma.2010.07.066. Epub 2010 Aug 03.

Medicinal chemists often depend on analytical instrumentation for reaction monitoring and product confirmation at all stages of pharmaceutical discovery and development. To obtain pure compounds for biological assays, the removal of side products and final compounds through purification is...

Innovative green supercritical fluid chromatography development for the determination of polar compounds.

Journal of chromatography. A

Dispas A, Lebrun P, Sassiat P, Ziemons E, Thiébaut D, Vial J, Hubert P.
PMID: 22885036
J Chromatogr A. 2012 Sep 21;1256:253-60. doi: 10.1016/j.chroma.2012.07.043. Epub 2012 Jul 24.

In the context of green analytical chemistry, a supercritical fluid chromatography method was developed. In order to prove the potential of this technology, a worst case was selected, i.e. the separation of very polar compounds. For that purpose, an...

Supercritical fluids and green bioanalysis.

Bioanalysis

Hsieh Y.
PMID: 21083111
Bioanalysis. 2010 Jan;2(1):1-4. doi: 10.4155/bio.09.140.

No abstract available.

Possibilities and limitations of the kinetic plot method in supercritical fluid chromatography.

Journal of chromatography. A

De Pauw R, Desmet G, Broeckhoven K.
PMID: 23890550
J Chromatogr A. 2013 Aug 30;1305:300-9. doi: 10.1016/j.chroma.2013.07.013. Epub 2013 Jul 09.

Although supercritical fluid chromatography (SFC) is becoming a technique of increasing importance in the field of analytical chromatography, methods to compare the performance of SFC-columns and separations in an unbiased way are not fully developed. The present study uses...

On-line coupling of supercritical fluid extraction with high-performance liquid chromatography for the determination of explosives in vapour phases.

Journal of chromatography. A

Batlle R, Carlsson H, Holmgren E, Colmsjö A, Crescenzi C.
PMID: 12188003
J Chromatogr A. 2002 Jul 19;963(1):73-82. doi: 10.1016/s0021-9673(02)00136-x.

An analytical method for determining nitroaromatic explosives in vapour phases is presented. Samples were collected by pumping air through glass fibre filters and polyurethane foam adsorbents, and an on-line extraction system combining supercritical fluid extraction (SFE) and high-performance liquid...

Collection in analytical-scale supercritical fluid extraction.

Journal of chromatography. A

Turner C, Eskilsson CS, Björklund E.
PMID: 11873989
J Chromatogr A. 2002 Feb 15;947(1):1-22. doi: 10.1016/s0021-9673(01)01592-8.

This review is a comprehensive summary of available collection techniques in supercritical fluid extraction (SFE), with emphasis on which parameters are especially important for a successful analyte collection. Environmental, biological and agricultural applications, including several types of sample matrices...

Description and comparison of chromatographic tests and chemometric methods for packed column classification.

Journal of chromatography. A

Lesellier E, West C.
PMID: 17467721
J Chromatogr A. 2007 Jul 27;1158(1):329-60. doi: 10.1016/j.chroma.2007.03.122. Epub 2007 Apr 05.

The main tests developed in last 20 years to investigate the chromatographic behaviour and the stationary phase properties are described in this paper. These properties are the hydrophobicity, depending on the surface area and the bonding density, the number...

Orthogonality of SFC versus HPLC for small molecule library separation.

Journal of combinatorial chemistry

Weller HN, Ebinger K, Bullock W, Edinger KJ, Hermsmeier MA, Hoffman SL, Nirschl DS, Swann T, Zhao J, Kiplinger J, Lefebvre P.
PMID: 20923153
J Comb Chem. 2010 Nov 08;12(6):877-82. doi: 10.1021/cc100118y. Epub 2010 Oct 05.

Preparative HPLC and HPLC-MS are well established as the methods of choice for purification of pharmaceutical library compounds. Recent advances in supercritical fluid chromatography (SFC) have now made SFC a viable alternative to HPLC for this application. One of...

Supercritical fluid chromatography for GMP analysis in support of pharmaceutical development and manufacturing activities.

Journal of pharmaceutical and biomedical analysis

Hicks MB, Regalado EL, Tan F, Gong X, Welch CJ.
PMID: 26412720
J Pharm Biomed Anal. 2016 Jan 05;117:316-24. doi: 10.1016/j.jpba.2015.09.014. Epub 2015 Sep 15.

Supercritical fluid chromatography (SFC) has long been a preferred method for enantiopurity analysis in support of pharmaceutical discovery and development, but implementation of the technique in regulated GMP laboratories has been somewhat slow, owing to limitations in instrument sensitivity,...

Showing 1 to 12 of 12 entries