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Published in 2018 at "Carbohydrate polymers"
DOI: 10.1016/j.carbpol.2017.12.012
Abstract: The preparation, characterisation and application of two pyridine-modified chitosan derivatives (C1 and C2) containing Cu(OAc)2 adsorbed as catalysts for the conversion of benzaldehyde into 2-nitro-1-phenylethanol are described. Quantitative solid-state 13C multiple-contact cross-polarization, magic-angle-spinning, nuclear magnetic…
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Keywords:
characterisation application;
chitosan derivatives;
modified chitosan;
reaction ... See more keywords
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Published in 2021 at "Frontiers in Chemistry"
DOI: 10.3389/fchem.2021.755174
Abstract: Matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF) is a powerful technique for analysis of various polymers, but it is still very difficult to characterize silicone oil due to its poor ionization efficiency. In this…
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Keywords:
hydroxyl silicon;
oligomeric hydroxyl;
pyridine modified;
hydroxyl silicone ... See more keywords
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Published in 2023 at "Molecules"
DOI: 10.3390/molecules28083445
Abstract: A novel pyridine-modified chitosan (PYCS) adsorbent was prepared in a multistep procedure including the successive grafting of 2-(chloromethyl) pyridine hydrochloride and crosslinking with glutaraldehyde. Then, the as-prepared materials were used as adsorbents for the removal…
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Keywords:
adsorption;
spectroscopy;
pyridine modified;
acidic wastewater ... See more keywords