RAM Applications

• separation of anticonvulsants
• ion-pairing reversed-phase separation on isrp column
• analysis of antidepressants
• separation of theophylline from acetaminophen and caffeine
• separation of theophylline and acetaminophen
• separation of verapamil and hydroxyzine
• determination of salicylic acid
• announcement and performance of a new isrp guard column
• therapeutic range determination of propranolol
• separation of barbiturates
• determination of acetazolamide using q-series ion pair cocktails
• calibration for the quantitative determination of phenylbutazone in horse plasma
• analysis of antidepressants using the concentrator column approach
• diagrammatic recapitulation of application note
• determination of cefpiramide
• comparison of drug analysis in human plasma vs human serum
• therapeutic range determination of 3,4-diaminopyridine
• injection of whole human blood using an isrp glass bead sample loop
• determination of triaminic expectorant components in whole human blood using an isrp glass bead sample loop
• diagrammatic recapitulation of application note
• drug sensitivities with the pinkerton isrp column: state of the art
• effect of human serum on column efficiency and capacity factor
• molecular weight standards on pinkerton isrp
• selectivity and reproducibilty as functions of ph, with pinkerton isrp gff-s5-80 hplc columns
• therapeutic range determination of trazodone
• optimizing selectivity with internal-surface reversed-phase hplc columns
• isrp gff capacity factors: those of isrp gff, vs those of ods
• can sodium dodecyl sulfate retain all hydrophilic isrp analytes?
• ...organic solvent accelerates the rate of release of the drug from plasma proteins.
• rapid analysis of peptide toxins in cyanobacteria
• separation of 4-aminopyridine and 3,4-diaminopyridine
• direct-injection analysis of plasma phenylalanine
• ph stability of gff isrp packing
• determination of protein binding with isrp columns
• minimum criteria for isrp solute determination
• comparison of classical gff and new gffii isrp packings
• solid phase extraction of verapamil and its metabolite, norverapamil, from human serum using 40 micron gff isrp material
• analysis of uric acid in urine
• comparison of hplc chromatograms obtained using isrp vs. conventional c18 solid phase extraction methods for human serum sample clean-up of phenelzine
• direct chromatographic analysis of metabolites of lipophilic tracers in whole blood by gff-isrp chromatography
• on line isrp cleaning, rediscovered
• the semipermeable surface (sps): nature and retention characteristics, theory and experiment
• sps: column life and efficiency
• an isrp-revealed time-dependence of drug binding; injection of unfiltered whole blood
• validated assay of an ltd4 receptor antagonist
• spe protein retention, sps vs ods
• coupled achiral/chiral: determining drug enantiomers in serum
• electrochemical detection, column switching, automation. linearity: 1.5 - 1000 ng/ml plasma; reproducibility: 6.5%
• natural substance hplc over semipermeable surface columns: red and white wines
• sps determination of antipyrine in human serum
• direct injection determination of the free warfarin enantiomer
• direct determination of tamoxifen and its four major metabolites in plasma