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polymer NMR

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Why are NMR peaks of flexible polymers usually broad? Is it due to the intramolecular proton J coupling among different ...
Posted: timlo 1 / Updated: Arkadiusz Leniak 238 Sep 09 '14 at 10:05

!3C NMR of Peptide

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Hi, thank you for reading my question. I am a novice at NMR, I apologize in advance if my question appears naive. I am ...
Posted: pjb 1 Jun 11 '13 at 00:32

NMR integral of Hydrophobically modified polyelectrolyte

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Hi there, I have a polyelectrolyte polyethylenimine (PEI) grafted with DSPE-PEG (lipid-polyethylene glycol). I have some...
Posted: leosiu 1 Apr 24 '12 at 13:13

13C NMR of sulfated galactose

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Hi everybody, Has anyone ever seen a C-6 at 64 ppm in the 13C NMR spectrum of a sulfated galactose? ...
Posted: nvgramosa 11 Jan 16 '12 at 18:27

How to study polymer degradation by gamma and X-Ray radiation?

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Hi, I was asked to study polyethylene degradated by gamma and Xrays. I planed to measure relaxations rates, but which on...
Posted: Anne Baudouin 36 / Updated: Evgeny Fadeev 5771 Mar 16 '11 at 08:10

How do you calculate the % or degree of acrylation of a polymer using integrated NMR peaks?

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Hello, I'm trying to use an NMR spectrum to define/calculate a "degree of acrylation" for a PLA-PEG-PLA block copolymer ...
Updated: juxtabo 11 Apr 11 '10 at 10:48

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