نتایج جستجو برای: polymer supported

تعداد نتایج: 285786  

Journal: :Biophysical journal 1998
J Majewski J Y Wong C K Park M Seitz J N Israelachvili G S Smith

The structure of softly supported polymer-cushioned lipid bilayers, prepared in two different ways at the quartz-solution interface, were determined using neutron reflectometry. The polymer cushion consisted of a thin layer of branched, cationic polyethyleneimine (PEI), and the bilayers were formed by adsorption of small unilamellar dimyristoylphosphatidylcholine (DMPC) vesicles. When vesicles ...

Journal: :Organic & biomolecular chemistry 2011
Kaushik Chanda Barnali Maiti Gorakh S Yellol Ming-Hsien Chien Min-Liang Kuo Chung-Ming Sun

An efficient soluble polymer-supported method has been developed for the parallel synthesis of substituted benzimidazole linked benzoxazoles using focused microwave irradiation. The key step involves the amidation of 4-hydroxy-3-nitrobenzoic acid with polymer-immobilized o-phenylenediamine. Application of mild acidic conditions promoted the ring closure to furnish the benzimidazole ring. After ...

Journal: :Environmental science 2023

AuNCs supported on PNIPAM and PAAM polymer matrices were synthesized characterized. Nanomaterials are selective sensitive to detect mercury in water by fluorescence.

Journal: :Catalysis Science & Technology 2022

A rhodium carbonylation catalyst is supported on dispersible microporous polymer nanoparticles, facilitating in situ kinetic measurements for a key step of the catalytic cycle.

Journal: :Chemical communications 2008
Rachel Green Andrew T Merritt Steven D Bull

A cleavable linker strategy has been used to optimise the enolate alkylation reactions of a recyclable L-tyrosine derived polymer-supported oxazolidin-2-one for the asymmetric synthesis of a series of chiral alpha-alkyl acids.

Journal: :Organic & biomolecular chemistry 2005
Tracy Yuen Sze But Yousuke Tashino Hideo Togo Patrick H Toy

A system involving two polymer-supported reagents for the selective and organocatalytic oxidation of alcohols to aldehydes or ketones has been developed in which both polymeric reagents can be recovered and reused.

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