𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Negative ion chemical ionization for the determination of methylphenidate in human plasma by stable isotope dilution gas chromatography/mass spectrometry

✍ Scribed by Hans Jörg Leis; Günter Fauler; Günther Raspotnig; Werner Windischhofer

Publisher
John Wiley and Sons
Year
2000
Tongue
English
Weight
760 KB
Volume
35
Category
Article
ISSN
1076-5174

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Stable isotope dilution negative ion che
Stable isotope dilution negative ion chemical ionization gas chromatography–mass spectrometry for the quantitative analysis of paroxetine in human plasma
✍ Hans Jörg Leis; Werner Windischhofer; Günther Raspotnig; Günter Fauler 📂 Article 📅 2001 🏛 John Wiley and Sons 🌐 English ⚖ 141 KB

## Abstract A sensitive and specific method for the quantitative determination of paroxetine in human plasma is presented. After solvent extraction from plasma with hexane/ethyl acetate (1 : 1) at alkaline pH and derivatization to the pentafluorobenzyl carbamate derivative, paroxetine was measured

Quantitative determination of the angiot
Quantitative determination of the angiotensin-converting enzyme inhibitor lisinopril in human plasma by stable isotope dilution gas chromatography/negative ion chemical ionization mass spectrometry
✍ H. J. Leis; G. Fauler; G. Raspotnig; W. Windischhofer 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 107 KB 👁 2 views

A simple, highly accurate and precise method for the quantitative measurement of the angiotensinconverting enzyme inhibitor lisinopril in human plasma is presented. The assay is based on gas chromatography/negative ion chemical ionization mass spectrometry. The preparation of stable isotope labelled

Determination of Cortisol in Human Plasm
Determination of Cortisol in Human Plasma by Gas Chromatography/Negative Ion Chemical Ionization/ Mass Spectrometry
✍ F.F. Hsu; L.H. Wang; D.M. Bier 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 296 KB

We report an isotope dilution mass spectrometry method using capillary gas chromatography negative ion chemical ionization for the determination of cortisol in human plasma. Cortisol was derivatized with pentafluoropropionic anhydride at room temperature and measured by selected ion monitoring of th

Stable Isotope Labelling and Determinati
Stable Isotope Labelling and Determination of Ketroprofen in Human Plasma and Urine by Gas Chromatography/Negative Ion Chemical Ionization Mass Spectrometry
✍ Leis, H. J.; Leis, M.; Windischhofer, W. 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 482 KB 👁 2 views

A method for the quantitative measurement of the non-steroidal anti-inflammatory drug ketoprofen in human plasma and urine is presented. The assay is based on gas chromatographylnegative ion chemical ionization mass spectrometry. The preparation of stable isotope-labelled ketoprofen for use as an in

Quantitative determination of nitroglyce
Quantitative determination of nitroglycerin in human plasma by capillary gas chromatography negative ion chemical ionization mass spectrometry
✍ Pekka Ottoila; Jyrki Taskinen; Aslak Sothmann 📂 Article 📅 1982 🏛 John Wiley and Sons 🌐 English ⚖ 265 KB 👁 2 views

A quantitative method for determination of nitroglycerin in human plasma was developed. Nitroglycerin and the internal standard (butane-1,2,4-triyl trinitrate) were extracted from plasma with pentane. The extracts were analysed by gas chromatography mass spectrometry using fused silica capillary col

An improved method for the measurement o
An improved method for the measurement of the angiotensin-converting enzyme inhibitor lisinopril in human plasma by stable isotope dilution gas chromatography/negative ion chemical ionization mass spectrometry
✍ H. J. Leis; G. Fauler; G. Raspotnig; W. Windischhofer 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 40 KB 👁 2 views

An improved method for the quantitative measurement of the angiotensin-converting enzyme inhibitor lisinopril in human plasma is presented. The assay is based on gas chromatography/negative ion chemical ionization mass spectrometry. The method involves solid phase extraction on C18 sorbent and deriv