𝔖 Bobbio Scriptorium
✦   LIBER   ✦

The determination of non-ionic surfactants in surface waters by matrix-assisted laser desorption/ionisation time-of-flight mass spectrometry

✍ Scribed by M. Willetts; M. R. Clench; R. Greenwood; G. Mills; V. Carolan

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
85 KB
Volume
13
Category
Article
ISSN
0951-4198

No coin nor oath required. For personal study only.

✦ Synopsis

Matrix-assisted time-of-flight mass spectrometry (MALDI-TOFMS) has been shown to be a useful tool for the analysis of a wide range of biological and synthetic polymers. This has included the analysis of some commercial formulations of some non-ionic surfactants. But, as yet, no one has reported the use of MALDI-TOFMS for the analysis of surfactants in environmental matrices. Here we report the use of MALDI-TOFMS for the qualitative and quantitative determination of nonylphenol ethoxylate surfactants in environmental surface waters. Following extraction/preconcentration by C 18 solid phase extraction, the sample is mixed with a standard MALDI matrix (2,5-dihydroxybenzoic acid). The mixture is then crystallised on a stainless steel target for introduction into the mass spectrometer. The limit of detection is 40 mg/L based on a 250 mL sample.

πŸ“œ SIMILAR VOLUMES

Simplified sample preparation for the an
Simplified sample preparation for the analysis of oligonucleotides by matrix-assisted laser desorption/ionisation time-of-flight mass spectrometry
✍ G. John Langley; Julie M Herniman; Nichola L Davies; Tom Brown πŸ“‚ Article πŸ“… 1999 πŸ› John Wiley and Sons 🌐 English βš– 106 KB πŸ‘ 2 views

Matrix-assisted laser desorption/ionisation time-of-flight mass spectrometry (MALDI-TOFMS) for the analyses of oligonucleotides has generally been carried out using negative ionisation conditions, usually following ammonium ion-exchange chromatography and the addition of ammonium buffers to the MALD

Oligonucleotide Sequencing by Fragmentat
Oligonucleotide Sequencing by Fragmentation in Matrix-assisted Laser Desorption/Ionization Time-of-flight Mass Spectrometry
✍ Y.F. Zhu; N.I. Taranenko; S.L. Allman; N.V. Taranenko; S.A. Martin; L.A. Haff; C πŸ“‚ Article πŸ“… 1997 πŸ› John Wiley and Sons 🌐 English βš– 214 KB πŸ‘ 2 views

Oligonucleotide sequencing by fragmentation in matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometry has been demonstrated. With this sequencing method, the preparation of oligonucleotide ladder products and gel electrophoresis are not required, thus the sequencing

Prooligonucleotide metabolism in a crude
Prooligonucleotide metabolism in a crude cell extract followed by matrix-assisted laser desorption/ionisation time-of-flight mass spectrometry
✍ Thierry Lioux; Isabelle Lefebvre; Jean Jacques Vasseur; Jean Louis Imbach πŸ“‚ Article πŸ“… 1999 πŸ› John Wiley and Sons 🌐 English βš– 64 KB πŸ‘ 2 views

Using matrix-assisted laser desorption/ionisation time-of-flight mass spectrometry (MALDI-TOFMS) we studied the decomposition pathway of a prooligonucleotide during incubation in a crude cell extract. This study, involving no sample processing, except drop dailysis to remove salts, led us to identif

Investigation of Macromolecules in Wines
Investigation of Macromolecules in Wines by Matrix-assisted Laser Desorption/Ionization Time-of-flight Mass Spectrometry
✍ ZoltΓ‘n SzilΓ‘gyi; GyΓΆrgy Vas; GyΓΆrgy MΓ‘dy; KΓ‘roly VΓ©key πŸ“‚ Article πŸ“… 1996 πŸ› John Wiley and Sons 🌐 English βš– 288 KB πŸ‘ 2 views

Matrix-assisted laser desorptionhonization (MALDI) mass spectrometry was applied to the characterization of the protein content of wines. It has been established that this technique is applicable for this purpose even without sophisticated sample preparation. Direct structural information-presence o

The characterization of micro-organisms
The characterization of micro-organisms by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry
✍ Kevin J. Welham; Mark A. Domin; D. Eoin Scannell; E. Cohen; David S. Ashton πŸ“‚ Article πŸ“… 1998 πŸ› John Wiley and Sons 🌐 English βš– 229 KB πŸ‘ 2 views

A variety of gram-positive and gram-negative intact bacterial cells have been analysed by matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) and shown to provide fingerprint mass spectra with discrete peaks being observed over the mass range from 3 to 40 kDa. The spectra show b