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Electrospray multistep ion trap mass spectrometry for the structural characterisation of poly[(R,S)-3-hydroxybutanoic acid] containing a β-lactam end group

✍ Scribed by Grażyna Adamus; Marek Kowalczuk

Publisher: John Wiley and Sons
Year: 2000
Tongue: English
Weight: 111 KB
Volume: 14
Category: Article
ISSN: 0951-4198
DOI: 10.1002/(sici)1097-0231(20000229)14:4<195::aid-rcm864>3.0.co;2-x

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✦ Synopsis

Electrospray 'soft' ionisation (ESI) and multistep mass spectrometry (MS(n)) techniques enable characterisation of a bioactive polymer, poly[(R,S)-3-hydroxybutanoic acid] (a-PHB), containing covalently bonded benzylpenicillin. The chemical structures of individual mass-selected bioactive macromolecules have been determined, and their fragmentation mechanisms have been compared with those of pure penicillin G. Copyright 2000 John Wiley & Sons, Ltd.

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Electrospray ionisation tandem mass spectrometry of poly [(R,S)-3-hydroxybutanoic acid] telechelics containing primary hydroxy end groups

✍ Hülya Arslan; Grażyna Adamus; Baki Hazer; Marek Kowalczuk 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 84 KB 👁 1 views

## Evaluation of polymer end-capping reactions with the aid of electrospray ionisation tandem mass spectrometry techniques (ESI-MS n ) allows characterisation of novel poly[(R,S)-3-hydroxybutanoic acid] (a-PHB) telechelics, containing primary hydroxyl groups at both polymer chain ends. The chemical