𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Phase-system switching: A new approach in liquid chromatography/mass spectrometry coupling

✍ Scribed by E. R. Verheij; H. J. E. M. Reeuwijk; W. M. A. Niessen; U. R. Tjaden; J. Van der Greef; E. R. Verheij; G. F. Lavos; J. Van der Greef


Publisher
John Wiley and Sons
Year
1988
Tongue
English
Weight
443 KB
Volume
16
Category
Article
ISSN
1076-5174

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Analysis of cyclic nucleotides and cytok
✍ Erwin Witters; Koen Vanhoutte; Walter Dewitte; Ivana Machácková; Eva Benková; Wa 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 132 KB 👁 2 views

Using an electrospray tandem mass spectrometer as a concentration-sensitive detector, a method has been developed to quantify femtomole amounts of plant growth regulators (i.e. isoprenoid type cytokinins, zeatin, dihydrozeatin, isopentenyladenine and their respective riboside and glucoside analogues

Determination of paeoniflorin in rat pla
✍ Qiao Wang; Hanyu Yang; Weina Liu; Xiaolong Feng; Lantong Zhang; Yanling Li; Kais 📂 Article 📅 2006 🏛 John Wiley and Sons 🌐 English ⚖ 467 KB 👁 2 views

## Abstract A rapid, sensitive and selective liquid chromatography–tandem spectrometry method was developed and validated for determination of paeoniflorin in rat plasma using geniposide as the internal standard. The samples were pretreated with solid‐phase extraction using Extract‐Clean™ cartridge

Rapid determination of corticosteroids i
✍ Dietrich A. Volmer; Joseph P. M. Hui 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 168 KB 👁 2 views

Solid-phase microextraction combined with fast short-column liquid chromatography/mass spectrometry (SPME/LC/MS) was used for isolating and analysing 11 corticosteroids and 2 steroid conjugates from urine samples. Several SPME parameters such as polarity of fibres, extraction time and effect of ioni

A novel approach for sensitivity enhance
✍ Ruth L Airs; Brendan J Keely 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 English ⚖ 68 KB 👁 2 views

Differences in the ionisation efficiency of chlorophylls and their phaeophytin counterparts result in lower sensitivity for atmospheric pressure chemical ionisation mass spectrometric detection of the former. Improvement in the sensitivity of detection of chlorophyll of around an order of magnitude