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Updated: Jul 31, 2026

Hydrophobic Salt-modified Nafion for Enzyme Immobilization and Stabilization
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Author Correction: OPEFB pretreatment using the low-cost N,N,N-dimethylbutylammonium hydrogen sulfate ionic liquid

S M Shahrul Nizan Shikh Zahari1,2, Yichen Liu3,4, Putian Yao3

  • 1Department of Chemical Engineering, Faculty of Engineering, South Kensington Campus, Imperial College London, London, SW72AZ, UK. shahrul.zahari@usim.edu.my.

Scientific Reports
|February 18, 2025
PubMed
Abstract

No abstract available in PubMed .

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Alkylation is one of the methods used to prepare amines. Direct alkylation of ammonia or a primary amine with an alkyl halide gives polyalkylated amines along with a quaternary ammonium salt through successive SN2 reactions. This process of making the quaternary salt through the direct alkylation method is called exhaustive alkylation.
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