Material resembling "anomalous water" was prepared in fused silica capillaries by the Derjaguin method. A mass-β’ β’ spectrometric study showed this material to be mainly polydimethylsfloxane, which is commonly found in silicone compounds. De Paz et al. [ 1 ] have found mass-spectrometr/c evidence f
Primary structure of a chloramphenicol acetyltransferase: Mass spectrometric studies
β Scribed by Anne Dell; Howard R. Morris
- Publisher
- John Wiley and Sons
- Year
- 1981
- Tongue
- English
- Weight
- 782 KB
- Volume
- 8
- Category
- Article
- ISSN
- 1076-5174
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The diketo and ketoenol tautomers of aliphatic 1,3-diketones can be easily separated by gas chromatography. The mass spectra of tautomers of pentane-2P-diones substituted at C(1) and C(3), separated in this way, have been obtained. The fragmentation mechanisms are discussed. The mass spectra of the
A mass spectrometric study of eight new carbohydrate derivatives has been carried out to determine the influence of structure on the fragmentation mechanisms of stereoisomers. Results indicate that the relative intensities of peaks due to fragment ions of each pair of isomers are sometimes very diff