A study of the fast-atom bombardment tandem mass spectrometry behavior of a number of ethylene glycol polymers (PEGs) has been carried out. Both linear (hydroxyl, amino, and/or alkyl end groups) and cyclic (crown ether) polymers were studied. One of the materials is a block copolymer of ethylene and
Tandem mass spectrometry of poly(ethylene glycol) proton- and deuteron-attachment ions
β Scribed by R.P. Lattimer
- Book ID
- 107920509
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 799 KB
- Volume
- 116
- Category
- Article
- ISSN
- 0168-1176
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Poly(ethy1ene glycols) (PEGS) of a variety of molecular weights ranging from a few hundred Da to 900 kDa, terminated with a range of functional groups, were cast as thin films and examined by static secondary ion mass spectrometry (SSIMS). The intensities of ions in the SSIMS spectra are examined an
## Abstract Silicon grafted monodisperse poly(ethylene glycol) (PEG) silanes with various PEG chain lengths and mixtures of these were systematically analyzed with static timeβofβflight secondary ion mass spectrometry (TOFβSIMS). The mass spectra show differences in the various relative signal inte