NDLI: Separation of cannabinoids on three different mixed-mode columns containing carbon/nanodiamond/amine-polymer superficially porous particles.

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Separation of cannabinoids on three different mixed-mode columns containing carbon/nanodiamond/amine-polymer superficially porous particles.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Hung, Chuan-Hsi Zukowski, Janusz Jensen, David S. Miles, Andrew J. Sulak, Clayton Dadson, Andrew E. Linford, Matthew R.
Description	Country affiliation: United States Author Affiliation: Hung CH ( Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, USA.); Zukowski J ( Diamond Analytics, A US Synthetic Company, Orem, UT, USA.); Jensen DS ( Diamond Analytics, A US Synthetic Company, Orem, UT, USA.); Miles AJ ( Diamond Analytics, A US Synthetic Company, Orem, UT, USA.); Sulak C ( Tested Labs, Falmouth, ME, USA.); Dadson AE ( Diamond Analytics, A US Synthetic Company, Orem, UT, USA.); Linford MR ( Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, USA.)
Abstract	Three mixed-mode high-performance liquid chromatography columns packed with superficially porous carbon/nanodiamond/amine-polymer particles were used to separate mixtures of cannabinoids. Columns evaluated included: (i) reversed phase (C18 ), weak anion exchange, 4.6 × 33 mm, 3.6 µm, and 4.6 × 100 mm, 3.6 µm, (ii) reversed phase, strong anion exchange (quaternary amine), 4.6×33 mm, 3.6 µm, and (iii) hydrophilic interaction liquid chromatography, 4.6 × 150 mm, 3.6 µm. Different selectivities were achieved under various mobile phase and stationary phase conditions. Efficiencies and peak capacities were as high as 54 000 N/m and 56, respectively. The reversed phase mixed-mode column (C18 ) retained tetrahydrocannabinolic acid strongly under acidic conditions and weakly under basic conditions. Tetrahydrocannabinolic acid was retained strongly on the reversed phase, strong anion exchange mixed-mode column under basic polar organic mobile phase conditions. The hydrophilic interaction liquid chromatography column retained polar cannabinoids better than the (more) neutral ones under basic conditions. A longer reversed phase (C18 ) mixed-mode column (4.6 × 100 mm) showed better resolution for analytes (and a contaminant) than a shorter column. Fast separations were achieved in less than 5 min and sometimes 2 min. A real world sample (bubble hash extract) was also analyzed by gradient elution.
File Format	HTM / HTML
ISSN	16159306
Issue Number	17
Volume Number	38
e-ISSN	16159314
Journal	Journal of Separation Science
Language	English
Publisher	Wiley-VCH
Publisher Date	2015-09-01
Publisher Place	Germany
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Analytical Discipline Chemistry Cannabinoids Analysis Amines Chemistry Isolation & Purification Chromatography, High Pressure Liquid Chromatography, Liquid Chromatography, Reverse-phase Methods Dronabinol Hydrogen-ion Concentration Hydrophobic And Hydrophilic Interactions Nanodiamonds Nanoparticles Nanotechnology Organic Chemicals Polymers Porosity Substance Abuse Detection Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry Filtration and Separation

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Separation of cannabinoids on three different mixed-mode columns containing carbon/nanodiamond/amine-polymer superficially porous particles.

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