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Jack Henion

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TOP 3
Virginia Borges; Jack D Henion
Determination of pharmaceutical compounds in aqueous dimethyl sulfoxide by electrospray ionization mass spectrometry.
Virginia Borges; Eric Yang; John Dunn; Jack D Henion
High-throughput liquid chromatography-tandem mass spectrometry determination of bupropion and its metabolites in human, mouse and rat plasma using a monolithic column.
Yanou Yang; Jun Kameoka; Timothy Wachs; Jack D Henion; Harold G Craighead
Quantitative mass spectrometric determination of methylphenidate concentration in urine using an electrospray ionization source integrated with a polymer microchip.

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All Publications

2005: Virginia Borges; Jack D Henion
Determination of pharmaceutical compounds in aqueous dimethyl sulfoxide by electrospray ionization mass spectrometry.
Rapid communications in mass spectrometry : RCM 2005;19(3):415-23.
2004: Virginia Borges; Eric Yang; John Dunn; Jack D Henion
High-throughput liquid chromatography-tandem mass spectrometry determination of bupropion and its metabolites in human, mouse and rat plasma using a monolithic column.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 2004;804(2):277-87.
2004: Yanou Yang; Jun Kameoka; Timothy Wachs; Jack D Henion; Harold G Craighead
Quantitative mass spectrometric determination of methylphenidate concentration in urine using an electrospray ionization source integrated with a polymer microchip.
Analytical chemistry 2004;76(9):2568-74.
2004: Joseph G Ebel; Timothy Wachs; Jack D Henion
Rapid forensic selected reaction monitoring liquid chromatography/mass spectrometry determination of ionophore antibiotics found at toxic levels in animal feeds.
Journal of AOAC International 2004;87(1):25-30.
2003: Salete Benetton; Jun Kameoka; Aimin Tan; Timothy Wachs; Harold G Craighead; Jack D Henion
Chip-based P450 drug metabolism coupled to electrospray ionization-mass spectrometry detection.
Analytical chemistry 2003;75(23):6430-6.
2003: Sheng Zhang; Colleen K Van Pelt; Jack D Henion
Automated chip-based nanoelectrospray-mass spectrometry for rapid identification of proteins separated by two-dimensional gel electrophoresis.
Electrophoresis 2003;24(21):3620-32.
2003: Aimin Tan; Salete Benetton; Jack D Henion
Chip-based solid-phase extraction pretreatment for direct electrospray mass spectrometry analysis using an array of monolithic columns in a polymeric substrate.
Analytical chemistry 2003;75(20):5504-11.
2003: Timothy Wachs; Jack D Henion
A device for automated direct sampling and quantitation from solid-phase sorbent extraction cards by electrospray tandem mass spectrometry.
Analytical chemistry 2003;75(7):1769-75.
2003: Jean-Marie Dethy; Bradley L Ackermann; Claude Delatour; Jack D Henion; Gary A Schultz
Demonstration of direct bioanalysis of drugs in plasma using nanoelectrospray infusion from a silicon chip coupled with tandem mass spectrometry.
Analytical chemistry 2003;75(4):805-11.
2003: Bruce Ganem; Jack D Henion
Going gently into flight: analyzing noncovalent interactions by mass spectrometry.
Bioorganic & medicinal chemistry 2003;11(3):311-4.
2003: Nicolas Barbarin; Douglas B Mawhinney; Roderick Black; Jack D Henion
High-throughput selected reaction monitoring liquid chromatography-mass spectrometry determination of methylphenidate and its major metabolite, ritalinic acid, in rat plasma employing monolithic columns.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 2003;783(1):73-83.
2003: James T Kapron; Ellen Pace; Colleen K Van Pelt; Jack D Henion
Quantitation of midazolam in human plasma by automated chip-based infusion nanoelectrospray tandem mass spectrometry.
Rapid communications in mass spectrometry : RCM 2003;17(18):2019-26.
2003: Colleen K Van Pelt; Sheng Zhang; Eliza Fung; Inhou Chu; Tongtong Liu; Cheng Li; Walter A Korfmacher; Jack D Henion
A fully automated nanoelectrospray tandem mass spectrometric method for analysis of Caco-2 samples.
Rapid communications in mass spectrometry : RCM 2003;17(14):1573-8.
2002: Changming Yang; Jack D Henion
Atmospheric pressure photoionization liquid chromatographic-mass spectrometric determination of idoxifene and its metabolites in human plasma.
Journal of chromatography. A 2002;970(1-2):155-65.
2002: Nicolas Barbarin; Jack D Henion; Yunhui Wu
Comparison between liquid chromatography-UV detection and liquid chromatography-mass spectrometry for the characterization of impurities and/or degradants present in trimethoprim tablets.
Journal of chromatography. A 2002;970(1-2):141-54.
2002: Xian Huang; Sheng Zhang; Gary A Schultz; Jack D Henion
Surface-alkylated polystyrene monolithic columns for peptide analysis in capillary liquid chromatography-electrospray ionization mass spectrometry.
Analytical chemistry 2002;74(10):2336-44.
2001: J Onorato; Jack D Henion
Evaluation of triterpene glycoside estrogenic activity using LC/MS and immunoaffinity extraction.
Analytical chemistry 2001;73(19):4704-10.
2001: H Zhang; Jack D Henion
Comparison between liquid chromatography-time of-flight mass spectrometry and selected reaction monitoring liquid chromatography-mass spectrometry for quantitative determination of idoxifene in human plasma.
Journal of chromatography. B, Biomedical sciences and applications 2001;757(1):151-9.
2001: Jun Kameoka; Harold G Craighead; H Zhang; Jack D Henion
A polymeric microfluidic chip for CE/MS determination of small molecules.
Analytical chemistry 2001;73(9):1935-41.
2001: Y Deng; H Zhang; Jack D Henion
Chip-based quantitative capillary electrophoresis/mass spectrometry determination of drugs in human plasma.
Analytical chemistry 2001;73(7):1432-9.
2001: Y Deng; Jack D Henion; J Li; Pierre Thibault; C Wang; D J Harrison
Chip-based capillary electrophoresis/mass spectrometry determination of carnitines in human urine.
Analytical chemistry 2001;73(3):639-46.
2001: Timothy Wachs; Jack D Henion
Electrospray device for coupling microscale separations and other miniaturized devices with electrospray mass spectrometry.
Analytical chemistry 2001;73(3):632-8.
2001: Colleen K Van Pelt; Thomas N Corso; Gary A Schultz; S Lowes; Jack D Henion
A four-column parallel chromatography system for isocratic or gradient LC/MS analyses.
Analytical chemistry 2001;73(3):582-8.
2001: G Rule; M Chapple; Jack D Henion
A 384-well solid-phase extraction for LC/MS/MS determination of methotrexate and its 7-hydroxy metabolite in human urine and plasma.
Analytical chemistry 2001;73(3):439-43.
2001: J M Onorato; Jack D Henion; P M Lefebvre; J P Kiplinger
Selected reaction monitoring LC-MS determination of idoxifene and its pyrrolidinone metabolite in human plasma using robotic high-throughput, sequential sample injection.
Analytical chemistry 2001;73(1):119-25.
2000: JA Zweigenbaum; Jack D Henion; Kenneth A Beattie; Geoffrey A Codd; GK Poon
Direct analysis of microcystins by microbore liquid chromatography electrospray ionization ion-trap tandem mass spectrometry.
Journal of pharmaceutical and biomedical analysis 2000;23(4):723-33.
2000: H Zhang; Jack D Henion; Y Yang; N Spooner
Application of atmospheric pressure ionization time-of-flight mass spectrometry coupled with liquid chromatography for the characterization of in vitro drug metabolites.
Analytical chemistry 2000;72(14):3342-8.
2000: J Ke; M Yancey; S Zhang; S Lowes; Jack D Henion
Quantitative liquid chromatographic-tandem mass spectrometric determination of reserpine in FVB/N mouse plasma using a "chelating" agent (disodium EDTA) for releasing protein-bound analytes during 96-well liquid-liquid extraction.
Journal of chromatography. B, Biomedical sciences and applications 2000;742(2):369-80.
2000: JA Zweigenbaum; Jack D Henion
Bioanalytical high-throughput selected reaction monitoring-LC/MS determination of selected estrogen receptor modulators in human plasma: 2000 samples/day.
Analytical chemistry 2000;72(11):2446-54.
2000: H Zhang; K Heinig; Jack D Henion
Atmospheric pressure ionization time-of-flight mass spectrometry coupled with fast liquid chromatography for quantitation and accurate mass measurement of five pharmaceutical drugs in human plasma.
Journal of mass spectrometry : JMS 2000;35(3):423-31.
1999: K Heinig; Jack D Henion
Determination of carnitine and acylcarnitines in biological samples by capillary electrophoresis-mass spectrometry.
Journal of chromatography. B, Biomedical sciences and applications 1999;735(2):171-88.
1999: G Rule; Jack D Henion
High-throughput sample preparation and analysis using 96-well membrane solid-phase extraction and liquid chromatography-tandem mass spectrometry for the determination of steroids in human urine.
Journal of the American Society for Mass Spectrometry 1999;10(12):1322-7.
1999: K Heinig; Jack D Henion
Fast liquid chromatographic-mass spectrometric determination of pharmaceutical compounds.
Journal of chromatography. B, Biomedical sciences and applications 1999;732(2):445-58.
1999: H Zhang; Jack D Henion
Quantitative and qualitative determination of estrogen sulfates in human urine by liquid chromatography/tandem mass spectrometry using 96-well technology.
Analytical chemistry 1999;71(18):3955-64.
1999: S Steinborner; Jack D Henion
Liquid-liquid extraction in the 96-well plate format with SRM LC/MS quantitative determination of methotrexate and its major metabolite in human plasma.
Analytical chemistry 1999;71(13):2340-5.
1999: JA Zweigenbaum; K Heinig; S Steinborner; Timothy Wachs; Jack D Henion
High-throughput bioanalytical LC/MS/MS determination of benzodiazepines in human urine: 1000 samples per 12 hours.
Analytical chemistry 1999;71(13):2294-300.
1998: Jack D Henion; E Brewer; G Rule
Sample preparation for LC/MS/MS: analyzing biological and environmental samples.
Analytical chemistry 1998;70(19):650A-656A.
1998: R Wieboldt; D A Campbell; Jack D Henion
Quantitative liquid chromatographic-tandem mass spectrometric determination of orlistat in plasma with a quadrupole ion trap.
Journal of chromatography. B, Biomedical sciences and applications 1998;708(1-2):121-9.
1998: G A Bach; Jack D Henion
Quantitative capillary electrophoresis-ion-trap mass spectrometry determination of methylphenidate in human urine.
Journal of chromatography. B, Biomedical sciences and applications 1998;707(1-2):275-85.
1998: E Brewer; Jack D Henion
Atmospheric pressure ionization LC/MS/MS techniques for drug disposition studies.
Journal of pharmaceutical sciences 1998;87(4):395-402.
1997: RL Sheppard; Jack D Henion
Quantitative capillary electrophoresis/ion spray tandem mass spectrometry determination of EDTA in human plasma and urine.
Analytical chemistry 1997;69(15):2901-7.
1997: RL Sheppard; Jack D Henion
Determining EDTA in blood.
Analytical chemistry 1997;69(15):477A-480A.
1997: P K Bennett; Y T Li; R Edom; Jack D Henion
Quantitative determination of Orlistat (tetrahydrolipostatin, Ro 18-0647) in human plasma by high-performance liquid chromatography coupled with ion spray tandem mass spectrometry.
Journal of mass spectrometry : JMS 1997;32(7):739-49.
1997: R Wieboldt; J Zweigenbaum; Jack D Henion
Immunoaffinity Ultrafiltration with Ion Spray HPLC/MS for Screening Small-Molecule Libraries.
Analytical chemistry 1997;69(9):1683-91.
1997: J Cai; Jack D Henion
Quantitative multi-residue determination of beta-agonists in bovine urine using on-line immunoaffinity extraction-coupled column packed capillary liquid chromatography-tandem mass spectrometry.
Journal of chromatography. B, Biomedical sciences and applications 1997;691(2):357-70.
1997: Y Wu; J Zhao; Jack D Henion; Walter A Korfmacher; A P Lapiguera; C C Lin
Microsample determination of lovastatin and its hydroxy acid metabolite in mouse and rat plasma by liquid chromatography/ionspray tandem mass spectrometry.
Journal of mass spectrometry : JMS 1997;32(4):379-87.
1997: K A Bean; Jack D Henion
Direct determination of anabolic steroid conjugates in human urine by combined high-performance liquid chromatography and tandem mass spectrometry.
Journal of chromatography. B, Biomedical sciences and applications 1997;690(1-2):65-75.
1997: M A Anderson; Timothy Wachs; Jack D Henion
Quantitative ionspray liquid chromatographic/tandem mass spectrometric determination of reserpine in equine plasma.
Journal of mass spectrometry : JMS 1997;32(2):152-8.
1997: RL Sheppard; Jack D Henion
Determination of ethylenediaminetetraacetic acid as the nickel chelate in environmental water by solid-phase extraction and capillary electrophoresis/tandem mass spectrometry.
Electrophoresis 1997;18(2):287-91.
1996: M L Nedved; S Habibi-Goudarzi; B Ganem; Jack D Henion
Characterization of benzodiazepine "combinatorial" chemical libraries by on-line immunoaffinity extraction, coupled column HPLC-ion spray mass spectrometry-tandem mass spectrometry.
Analytical chemistry 1996;68(23):4228-36.
1996: Timothy Wachs; R L Sheppard; Jack D Henion
Design and applications of a self-aligning liquid junction-electrospray interface for capillary electrophoresis-mass spectrometry.
Journal of chromatography. B, Biomedical applications 1996;685(2):335-42.
1996: J Cai; Jack D Henion
Elucidation of LSD in vitro metabolism by liquid chromatography and capillary electrophoresis coupled with tandem mass spectrometry.
Journal of analytical toxicology 1996;20(1):27-37.
1996: J Cai; Jack D Henion
On-line immunoaffinity extraction-coupled column capillary liquid chromatography/tandem mass spectrometry: trace analysis of LSD analogs and metabolites in human urine.
Analytical chemistry 1996;68(1):72-8.
1995: F Y Hsieh; X Tong; Timothy Wachs; B Ganem; Jack D Henion
Kinetic monitoring of enzymatic reactions in real time by quantitative high-performance liquid chromatography-mass spectrometry.
Analytical biochemistry 1995;229(1):20-5.
1995: R L Sheppard; X Tong; J Cai; Jack D Henion
Chiral separation and detection of terbutaline and ephedrine by capillary electrophoresis coupled with ion spray mass spectrometry.
Analytical chemistry 1995;67(13):2054-8.
1994: F Y Hsieh; J Cai; Jack D Henion
Determination of trace impurities of peptides and alkaloids by capillary electrophoresis-ion spray mass spectrometry.
Journal of chromatography. A 1994;679(1):206-11.
1994: L G McLaughlin; Jack D Henion; P J Kijak
Multi-residue confirmation of aminoglycoside antibiotics and bovine kidney by ion spray high-performance liquid chromatography/tandem mass spectrometry.
Biological mass spectrometry 1994;23(7):417-29.
1994: Y L Hsieh; Y T Li; Jack D Henion; B Ganem
Studies of non-covalent interactions of actinomycin D with single-stranded oligodeoxynucleotides by ion spray mass spectrometry and tandem mass spectrometry.
Biological mass spectrometry 1994;23(5):272-6.
1994: G S Rule; A V Mordehai; Jack D Henion
Determination of carbofuran by on-line immunoaffinity chromatography with coupled-column liquid chromatography/mass spectrometry.
Analytical chemistry 1994;66(2):230-5.
1993: Jack D Henion; Y T Li; Y L Hsieh; B Ganem
Mass spectrometric investigations of drug-receptor interactions.
Therapeutic drug monitoring 1993;15(6):563-9.
1993: Jack D Henion; Timothy Wachs; A Mordehai
Recent developments in electrospray mass spectrometry including implementation on an ion trap.
Journal of pharmaceutical and biomedical analysis 1993;11(11-12):1049-61.
1993: G Rule; L G McLaughlin; Jack D Henion
A quest for oleandrin in decayed human tissue.
Analytical chemistry 1993;65(19):857A-863A.
1993: T G Huggins; Jack D Henion
Capillary electrophoresis/mass spectrometry determination of inorganic ions using an ion spray-sheath flow interface.
Electrophoresis 1993;14(5-6):531-9.
1992: G S Rule; Jack D Henion
Determination of drugs from urine by on-line immunoaffinity chromatography-high-performance liquid chromatography-mass spectrometry.
Journal of chromatography 1992;582(1-2):103-12.
1992: J J Conboy; Jack D Henion
High-performance anion-exchange chromatography coupled with mass spectrometry for the determination of carbohydrates.
Biological mass spectrometry 1992;21(8):397-407.
1992: K L Duffin; J K Welply; E Huang; Jack D Henion
Characterization of N-linked oligosaccharides by electrospray and tandem mass spectrometry.
Analytical chemistry 1992;64(13):1440-8.
1992: L G McLaughlin; Jack D Henion
Determination of aminoglycoside antibiotics by reversed-phase ion-pair high-performance liquid chromatography coupled with pulsed amperometry and ion spray mass spectrometry.
Journal of chromatography 1992;591(1-2):195-206.
1991: I M Johansson; R Pavelka; Jack D Henion
Determination of small drug molecules by capillary electrophoresis-atmospheric pressure ionization mass spectrometry.
Journal of chromatography 1991;559(1-2):515-28.
1991: K L Duffin; Jack D Henion; J J Shieh
Electrospray and tandem mass spectrometric characterization of acylglycerol mixtures that are dissolved in nonpolar solvents.
Analytical chemistry 1991;63(17):1781-8.
1991: I M Johansson; E C Huang; Jack D Henion; J Zweigenbaum
Capillary electrophoresis-atmospheric pressure ionization mass spectrometry for the characterization of peptides. Instrumental considerations for mass spectrometric detection.
Journal of chromatography 1991;554(1-2):311-27.
1991: T R Covey; E C Huang; Jack D Henion
Structural characterization of protein tryptic peptides via liquid chromatography/mass spectrometry and collision-induced dissociation of their doubly charged molecular ions.
Analytical chemistry 1991;63(13):1193-200.
1990: L G McLaughlin; Jack D Henion
Determination of dexamethasone in bovine tissues by coupled-column normal-phase high-performance liquid chromatography and capillary gas chromatography-mass spectrometry.
Journal of chromatography 1990;529(1):1-19.
1990: W M Mück; Jack D Henion
High-performance liquid chromatography/tandem mass spectrometry: its use for the identification of stanozolol and its major metabolites in human and equine urine.
Biomedical & environmental mass spectrometry 1990;19(1):37-51.
1989: O Edlund; L Bowers; Jack D Henion; T R Covey
Rapid determination of methandrostenolone in equine urine by isotope dilution liquid chromatography-tandem mass spectrometry.
Journal of chromatography 1989;497():49-57.
1989: W M Mück; Jack D Henion
Determination of leucine enkephalin and methionine enkephalin in equine cerebrospinal fluid by microbore high-performance liquid chromatography and capillary zone electrophoresis coupled to tandem mass spectrometry.
Journal of chromatography 1989;495():41-59.
1989: P O Edlund; Jack D Henion
Packed-column supercritical fluid chromatography/mass spectrometry via a two-stage momentum separator.
Journal of chromatographic science 1989;27(6):274-82.
1989: T M Chichila; P O Edlund; Jack D Henion; R L Epstein
Determination of melengestrol acetate in bovine tissues by automated coupled-column normal-phase high-performance liquid chromatography.
Journal of chromatography 1989;488(2):389-406.
1989: P O Edlund; L Bowers; Jack D Henion
Determination of methandrostenolone and its metabolites in equine plasma and urine by coupled-column liquid chromatography with ultraviolet detection and confirmation by tandem mass spectrometry.
Journal of chromatography 1989;487(2):341-56.
1989: R H Eckerlin; J G Ebel; Jack D Henion; T R Covey
The case of the tainted dexamethasone.
Analytical chemistry 1989;61(1):53A-59A.
1988: E D Lee; W Mück; Jack D Henion; T R Covey
On-line capillary zone electrophoresis-ion spray tandem mass spectrometry for the determination of dynorphins.
Journal of chromatography 1988;458():313-21.
1988: L O Weidolf; T M Chichila; Jack D Henion
Screening, confirmation and quantification of boldenone sulfate in equine urine after administration of boldenone undecylenate (Equipoise).
Journal of chromatography 1988;433():9-21.
1988: T M Chichila; D Silvestre; T R Covey; Jack D Henion
Distribution of zeranol in bovine tissues determined by selected ion monitoring capillary gas chromatography/mass spectrometry.
Journal of analytical toxicology 1988;12(6):310-8.
1988: L O Weidolf; E D Lee; Jack D Henion
Determination of boldenone sulfoconjugate and related steroid sulfates in equine urine by high-performance liquid chromatography/tandem mass spectrometry.
Biomedical & environmental mass spectrometry 1988;15(5):283-9.
1988: S H Hsu; R H Eckerlin; Jack D Henion
Identification and quantitation of trenbolone in bovine tissue by gas chromatography-mass spectrometry.
Journal of chromatography 1988;424(2):219-29.
1988: T R Covey; D Silvestre; M K Hoffman; Jack D Henion
A gas chromatographic/mass spectrometric screening, confirmation, and quantification method for estrogenic compounds.
Biomedical & environmental mass spectrometry 1988;15(1):45-56.
1987: L O Weidolf; Jack D Henion
Liquid-solid extraction conditions predicted by liquid chromatography for selective isolation of sulfoconjugated steroids from equine urine.
Analytical chemistry 1987;59(15):1980-4.
1986: T R Covey; E D Lee; Jack D Henion
High-speed liquid chromatography/tandem mass spectrometry for the determination of drugs in biological samples.
Analytical chemistry 1986;58(12):2453-60.
1986: E D Lee; Jack D Henion; C A Brunner; irving william wainer; T D Doyle; J Gal
High-performance liquid chromatographic chiral stationary phase separation with filament-on thermospray mass spectrometric identification of the enantiomer contaminant (S)-(+)-methamphetamine.
Analytical chemistry 1986;58(7):1349-52.
1985: J B Crowther; Jack D Henion
Supercritical fluid chromatography of polar drugs using small-particle packed columns with mass spectrometric detection.
Analytical chemistry 1985;57(13):2711-6.
1985: D S Skrabalak; K K Cuddy; Jack D Henion
Quantitative determination of betamethasone and its major metabolite in equine urine by micro-liquid chromatography-mass spectrometry.
Journal of chromatography 1985;341(2):261-9.
1985: T R Covey; J B Crowther; E A Dewey; Jack D Henion
Thermospray liquid chromatography/mass spectrometry determination of drugs and their metabolites in biological fluids.
Analytical chemistry 1985;57(2):474-81.
1984: D S Skrabalak; T R Covey; Jack D Henion
Qualitative detection of corticosteroids in equine biological fluids and the comparison of relative dexamethasone metabolite/dexamethasone concentration in equine urine by micro-liquid chromatography-mass spectrometry.
Journal of chromatography 1984;315():359-72.
1984: J B Crowther; T R Covey; E A Dewey; Jack D Henion
Liquid chromatographic/mass spectrometric determination of optically active drugs.
Analytical chemistry 1984;56(14):2921-6.
1983: Jack D Henion; G A Maylin; B A Thomson
Determination of drugs in biological samples by thin-layer chromatography-tandem mass spectrometry.
Journal of chromatography 1983;271(1):107-24.
1982: C Eckers; D S Skrabalak; Jack D Henion
On-line direct liquid introduction interface for micro-liquid chromatography/mass spectrometry: application to drug analysis.
Clinical chemistry 1982;28(9):1882-6.
1982: Jack D Henion; B A Thomson; P H Dawson
Determination of sulfa drugs in biological fluids by liquid chromatography/mass spectrometry/mass spectrometry.
Analytical chemistry 1982;54(3):451-6.
1981: E A Dewey; G A Maylin; J G Ebel; Jack D Henion
The metabolism of promazine and acetylpromazine in the horse.
Drug metabolism and disposition: the biological fate of chemicals 1981;9(1):30-6.
1980: Jack D Henion; G A Maylin
Qualitative and quantitative analysis of hydrochlorothiazide in equine plasma and urine by high-performance liquid chromatography.
Journal of analytical toxicology 1980;4(4):185-91.
1980: Jack D Henion; G A Maylin
Drug analysis by direct liquid introduction micro liquid chromatography mass spectrometry.
Biomedical mass spectrometry 1980;7(3):115-21.