High impact information on Chromatography, Supercritical Fluid

• When snuff was extracted by means of supercritical fluid extraction with carbon dioxide containing 10% methanol, analysis of this material confirmed that the extraction with organic solvents had been partially incomplete [1].
• Direct on-line continuous supercritical fluid extraction and HPLC of aqueous pyrethrins solutions [2].
• The optimization of supercritical fluid extraction using CO2 for the extraction of contaminants in 15 samples of recycled paper and board (P&B) has been studied [3].
• Supercritical fluid extraction (SFE) using CO2 modified with methanol (10%) was employed for the extraction of cocaine from human hair [4].
• These compounds were extracted using supercritical fluid extraction (SFE) and purified by a sodium hydroxide wash of the ethyl acetate eluting solvent and solid-phase extraction [5].

Biological context of Chromatography, Supercritical Fluid

• Esterification of decanoic acid during supercritical fluid extraction employing either methanol-modified carbon dioxide or a methanol trap [6].
• Development of a packed-column supercritical fluid chromatography/atmospheric pressure chemical-ionisation mass spectrometric technique for the analysis of atropine [7].

Anatomical context of Chromatography, Supercritical Fluid

• A sensitive, rapid, selective and reproducible method has been developed to measure blood plasma levels of benzidine (BZ) and its acetylated metabolite, N-OH-N,N'-diacetylbenzidine (N-OH-DABZ), using supercritical fluid chromatography (SFC) for the first time [8].

Associations of Chromatography, Supercritical Fluid with chemical compounds

• Matrix and modifier effects in the supercritical fluid extraction of cocaine and benzoylecgonine from human hair [9].
• Cholesterol and cholesteryl esters in human serum were determined by supercritical fluid chromatography on an inert ODS-silica gel column using supercritical carbon dioxide as a mobile phase without a modifier [10].
• Combined supercritical fluid extraction/solid-phase extraction with octadecylsilane cartridges as a sample preparation technique for the ultratrace analysis of a drug metabolite in plasma [11].
• An on-line multidimensional supercritical fluid extraction/microcolumn liquid chromatography/capillary gas chromatography system (SFE/LC/GC) has been developed and applied to the quantitative determination of trace levels (parts per billion) of chlorpyrifos insecticide in grass field samples [12].
• Archaebacterial ether lipid diversity analyzed by supercritical fluid chromatography: integration with a bacterial lipid protocol [13].

Gene context of Chromatography, Supercritical Fluid

• The relative contribution of CYP3A4 and FMO3 in the formation of M16 in human and preclinical species was evaluated by chiral analysis using supercritical fluid chromatography [14].
• Assessment of chlorinated pesticide residues in cigarette tobacco based on supercritical fluid extraction and GC-ECD [15].
• The dried mixture, including C18 adsorbent, is placed in the supercritical fluid extraction (SFE) chamber [16].
• Adipose OCP/PCB levels were measured using a supercritical fluid extraction method developed by the authors [17].
• Separation of rosemary antioxidant compounds by supercritical fluid chromatography on coated packed capillary columns [18].

Analytical, diagnostic and therapeutic context of Chromatography, Supercritical Fluid

• A new method, employing supercritical fluid extraction (SFE) connected on-line with high-performance liquid chromatography, was developed for the determination of pyrethrins and piperonyl butoxide in aqueous solutions [2].
• The procedure involves a combination of supercritical fluid extraction with enzyme immunoassay for the determination of clenbuterol residues at the low ppb level [19].
• Recoveries were as good as, or better than, those obtained using liquid extraction (LE) and gel permeation chromatography (GPC) for 10 OPP's spiked at levels equivalent to 0.05 and 0.50 microg/g. Lower limits of detection were possible using supercritical fluid extraction (SFE) [20].
• Determination of sorbitan trioleate in metered-dose inhalers by supercritical-fluid chromatography [21].
• Analysis was performed by capillary electrophoresis on alkyl bonded phase capillary columns with sodium formiate (4 x 10(-2) M)-isopropanol (9:1, v/v) as a buffer, and by supercritical fluid chromatography on a Diol bonded phase silica column with ethanol-water-methanesulphonic acid (97.5:2.4:0.1, v/v) as coeluent of CO2 [22].

References