High impact information on Flame Ionization

• Plasma samples were assayed for glycerol by a new method using gas chromatography with a flame ionization detector [1].
• With this procedure, direct repetitive automated analyses of highly volatile polar compounds such as methanol or tetrahydrofuran can be performed, and a limit of quantification in the low parts-per-billion region utilizing a flame ionization detector is demonstrated [2].
• We have developed a gas-chromatographic method for the determination of felbamate, using a wide-bore capillary column, a flame ionization detector, and a simple extraction procedure [3].
• Triacylglycerols (TAGs) from butter fat isolated by solvent extraction were analyzed by use of a capillary column supercritical fluid chromatograph (SFC) combined with a flame ionization detector or a double focusing mass spectrometer [4].
• Separation and quantitation of molecular species of plant phosphatidylcholine by high-performance liquid chromatography with flame ionization detection [5].

Biological context of Flame Ionization

• METHODS: After enzymatic hydrolysis of conjugates, hexafluoroisopropanol is detected readily using a head space gas chromatographic analysis with a flame ionization detector [6].
• Fusaric acid is efficiently extracted from biological samples, derivatized by on-column methylation, and chromatographed using flame-ionization detection [7].
• A rapid, sensitive method has been developed to study the kinetics of unchanged promethazine (PM) in biological material using a nitrogen-selective flame ionization detector (N-FID) [8].
• The method consists of heating 1 ml urine sample in a 20-ml air-tight vial in the presence of 1 ml sulfuric acid and 2 ml ethanol at 60 degrees C for 30 min for ethyl esterification and air-liquid equilibrium, followed by automatic injection of 1 ml head-space air into a flame ionization detector GC [9].

Anatomical context of Flame Ionization

• A GLC method utilizing a flame-ionization detector is described for the analysis of meperidine in blood plasma [10].
• GLC analysis of hydrocortisone, triamcinolone acetonide, and desonide in culture media of mouse and human dermal fibroblasts using flame-ionization detection [11].
• Diazinon concentrations in post-mortem body fluids and tissues were determined using electron capture and flame ionization gas-liquid chromatography [12].

Associations of Flame Ionization with chemical compounds

• After its single-step isolation by means of anion-exchange chromatography cholesterol sulfate is hydrolyzed, trimethylsilylated, and determined by gas chromatography with flame ionization detection [13].
• I describe a flame-ionization gas-chromatographic method for the quantitative analysis of serum theophylline without the need for derivatization [14].
• Quantitative gas-chromatographic flame-ionization method for chloramphenicol in human serum [15].
• The results suggest that both 23:0 and 24:1 methyl esters behaved similarly in the flame ionization detector of the gas chromatograph and are comparable internal standards for use in quantitation of EPA and DHA [16].
• Organic acids, sugars, and sugar alcohols in purified extracts were converted to their trimethylsilyl (TMS)/TMS-oxime derivatives prior to separation and detection by capillary GC with flame ionization detection (FID) [17].

Gene context of Flame Ionization

• The determination of several triazines, organophosphorus pesticides, sulfur containing compounds in tap water was performed by SPE-GC using polymer-packed precolumns and flame ionization (FID), nitrogen-phosphorus (NPD) or flame photometric (FPD) detection [18].
• Retention and detector response factor data have been given for 188 compounds on the DB1 capillary column using a dual nitrogen--phosphorus and flame ionization detection system [19].
• Incubation of a urine sample in the presence of ascorbic acid, glucuronidase and acylase and subsequent extraction with ethyl acetate precedes derivatization to trimethylsilyl compounds, capillary gas chromatographic separation and flame-ionization detection [20].
• The separation was carried out on an OV-1 quartz capillary column, 15 m x 0.32 mm (0.52 microm), with high-purity nitrogen as carrier gas and flame ionization detector (FID) as detector [21].
• A reaction-capillary gas-chromatographic procedure using photo-ionization (PID) or flame-ionization (FID) detection was developed for the determination of sodium monofluoroacetate (compound 1080), a pesticide, in tissues and baits [22].

Analytical, diagnostic and therapeutic context of Flame Ionization

• Following preliminary purification by thin-layer chromatography, progesterone in pregnancy plasma was evaluated as the free steroid with a flame ionization detector [23].
• Toloxatone and ethanol concentrations were measured by HPLC with UV detection and GC with flame ionization detection, respectively [24].
• After filtration the biphenyl is quantified directly without concentration of the solution by GC with a flame ionization detector (FID) or a mass selective detector (MSD) under single ion mass conditions [25].
• The measurement of plasma fentanyl concentration by radioimmunoassay (RIA) and gas liquid chromatography (GLC) using either a flame ionization detector (FID) or nitrogen/phosphorus detector (NPD) has been compared [26].
• A rapid and simple procedure is described for the mass screening and confirmation of amphetamine and methamphetamine in urine using gas chromatography with flame ionization detector [27].

References