Naked-Eye Heterogeneous Sensing of Fluoride Ions by Co-Polymeric Nanosponge Systems Comprising Aromatic-Imide-Functionalized Nanocellulose and Branched Polyethyleneimine.
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DOI: 10.1002/cplu.201900348
Abstract: Heterogeneous colorimetric sensors for fluoride ions were obtained by cross-linking TEMPO-oxidized cellulose nanofibers (TOCNF) with chemically modified branched polyethyleneimine 25 kDa (bPEI). Functionalization of bPEI primary amino groups with aromatic anhydrides led to the formation of… read more here.
Keywords: fluoride ions; naked eye; branched polyethyleneimine; eye heterogeneous ... See more keywords
Light-responsive self-assembled microstructures of branched polyethyleneimine at low pH.
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DOI: 10.1039/d2cc04996a
Abstract: Soft materials comprising polyethyleneimine (PEI), which integrate low pH-stimulated higher-order assemblies (fibres and sheets) with light responsiveness, have been shown. Excitation wavelength light-driven interactions enable the formation of bead-necklace-type structures in fibres or volume collapse… read more here.
Keywords: branched polyethyleneimine; light responsive; responsive self; assembled microstructures ... See more keywords
Influence of Cross-Linking Degree on Hydrodynamic Behavior and Stimulus-Sensitivity of Derivatives of Branched Polyethyleneimine
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DOI: 10.3390/polym12051085
Abstract: Cross-linked derivatives of acylated branched polyethyleneimine containing 2-isopropyl-2-oxazoline units were investigated in chloroform and aqueous solutions using methods of molecular hydrodynamics, static and dynamic light scattering, and turbidity. The studied samples differed by the cross-linker… read more here.
Keywords: cross linked; branched polyethyleneimine; cross; influence cross ... See more keywords