✦ LIBER ✦

FeCl3-doped poly(phenylacetylene) investigated by means of laser ionization mass spectrometry

✍ Scribed by M.V. Russo; R. Teghil

Publisher: Elsevier Science
Year: 1993
Tongue: English
Weight: 462 KB
Volume: 72
Category: Article
ISSN: 0169-4332
DOI: 10.1016/0169-4332(93)90040-i

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Derivatization of Double Bonds Investiga

Derivatization of Double Bonds Investigated by Matrix-assisted Laser Desorption/Ionization Mass Spectrometry

✍ G. Kühn; St. Weidner; R. Decker; A. Holländer 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 133 KB 👁 2 views

Hexatriacontane (C 36 ) was exposed to vacuum ultraviolet radiation. The formation of double bonds was investigated by derivatization, i.e. these olefinic structures were transformed by epoxidation in order to determine their number in the molecule. The extent of the reaction was determined by means

Chemical End-group Derivatization of Pol

Chemical End-group Derivatization of Poly(ethyleneglycol)—Investigation by Matrix-assisted Laser Desorption/Ionization Mass Spectrometry

✍ St. Weidner; G. Kühn 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 392 KB 👁 1 views

The hydroxy end-groups of poly(ethyleneglyco1) polymers PEG lo00 and 4000) were derivatized by etherification using methyl, ethyl and triphenylmethyl (trityl) halogenides. During the derivatization the molecular mass distribution of monoand disubstituted polymers as well as unsubstituted polymers co

Investigation of the vaporization of BaU

Investigation of the vaporization of BaUO3 by means of mass spectrometry

✍ Michio Yamawaki; Jintao Huang; Kenji Yamaguchi; Masaru Yasumoto; Hiroshi Sakurai 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 291 KB

A Study of Cation Attachment to Polystyr

A Study of Cation Attachment to Polystyrene by Means of Matrix-assisted Laser Desorption/Ionization and Electrospray Ionization-Mass Spectrometry

✍ Michael J. Deery; Keith R. Jennings; Christina B. Jasieczek; David M. Haddleton; 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 145 KB 👁 2 views

A range of metal cations has been shown, by means of matrix assisted laser desorption/ionization (MALDI) and electrospray ionization (ESI) mass spectrometry, to form adduct complexes with polystyrene. Both MALDI and ESI mass spectra contain adduct ion peaks corresponding to [PS + Cat] + , where PS r

The role of peroxidase in the oligomeriz

The role of peroxidase in the oligomerization of 5-hydroxytryptamine investigated by matrix-assisted laser desorption/ionization mass spectrometry

✍ Donata Favretto; Antonella Bertazzo; Carlo V. L. Costa; Graziella Allegri; Nicol 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 118 KB 👁 2 views

The role of peroxidase in the melanogenesis of 5-hydroxytryptamine was investigated by matrix-assisted laser desorption/ionization mass spectrometry. In order to establish the role of hydrogen peroxide in the reaction mixture, incubations were performed with peroxidase in the presence or absence of

Investigation of Macromolecules in Wines

Investigation of Macromolecules in Wines by Matrix-assisted Laser Desorption/Ionization Time-of-flight Mass Spectrometry

✍ Zoltán Szilágyi; György Vas; György Mády; Károly Vékey 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 288 KB 👁 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