Articles with "imine linked" as a keyword



Imine‐Linked 3D Covalent Organic Framework Membrane Featuring Highly Charged Sub‐1 nm Channels for Exceptional Lithium‐Ion Sieving

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Published in 2025 at "Advanced Materials"

DOI: 10.1002/adma.202415509

Abstract: Coupling ion exclusion and interaction screening within sub‐nanoconfinement channels in novel porous material membranes hold great potential to realize highly efficient ion sieving, particularly for high‐performance lithium‐ion extraction. Diverse kinds of advanced membranes have been… read more here.

Keywords: imine linked; lithium ion; covalent organic; ion sieving ... See more keywords

Synthesis, characterization, thermodynamics and thermal degradation kinetics of imine-linked polymers

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Published in 2020 at "Journal of Polymer Research"

DOI: 10.1007/s10965-020-02317-9

Abstract: A series of new imine-linked polymers reveal variations of aliphatic and aromatic linkers were synthesized via Schiff base co-condensation polymerization and fully characterized. The polymers are classified as 1,4- and 1,6-based polymers according to their… read more here.

Keywords: degradation; thermodynamics; linked polymers; polymer ... See more keywords

Protonated Imine-Linked Zirconium-Organic Cages for Enhanced Photocatalytic Hydrogen Peroxide Production.

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Published in 2025 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.5c04341

Abstract: Zirconium-based metal-organic cages (Zr-MOCs) have garnered significant interest for their exceptional stability, tunable functionality, processability, and ease of synthesis. Herein, an imine-based zirconium-organic cage (designated ZrC-IM) was precisely synthesized via Schiff-base condensation between presynthesized aldehyde-functionalized… read more here.

Keywords: organic cages; imine linked; imine; zirconium ... See more keywords

Rational Synthesis of Imine-Linked Fluorescent Covalent Organic Frameworks with Different pKa for pH Sensing In Vitro and In Vivo.

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Published in 2021 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.1c14690

Abstract: Precise modulation of pH in living cells plays a vital role in the study of many diseases, such as cancer and rheumatoid arthritis. Here, a series of imine-linked covalent organic frameworks (COFs) were rationally designed… read more here.

Keywords: different pka; imine linked; pka; organic frameworks ... See more keywords

Imine-Linked Covalent Organic Framework with a Naphthalene Moiety as a Sensitive Phosphate Ion Sensing

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Published in 2022 at "ACS Applied Materials & Interfaces"

DOI: 10.1021/acsami.1c24555

Abstract: Due to the excellent ion-sensing potential of covalent organic frameworks (COFs), the new imine-linked conjugated COF (IC-COF) is synthesized through a water-based synthesis reaction between 1,5-diaminonaphthalene and 2,4,6-tris(4-formylphenoxy)-1,3,5-triazine to create a luminescence sensor. It is… read more here.

Keywords: covalent organic; phosphate; imine linked; cof ... See more keywords

Imine-Linked Covalent Organic Framework Modulates Oxidative Stress in Alzheimer's Disease.

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Published in 2023 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c19839

Abstract: Oxidative stress due to Cu2+-triggered aggregation of β-amyloid protein (Aβ) and reactive oxygen species (ROS) overexpression in the brain is an important hallmark of early stages of Alzheimer's disease (AD) pathogenesis. The ideal modulator for… read more here.

Keywords: stress; alzheimer disease; imine linked; oxidative stress ... See more keywords

Imine-Linked 2D Conjugated Porous Organic Polymer Films for Tunable Acid Vapor Sensing.

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Published in 2024 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.3c14825

Abstract: Two-dimensional (2D) films of conjugated porous organic polymers (C-POPs) can translate the rich in-plane functionalities of conjugated frameworks into diverse optical and electronic applications while addressing the processability issues of their crystalline analogs for adaptable… read more here.

Keywords: imine linked; conjugated porous; linked conjugated; organic polymer ... See more keywords

Single-Crystalline Imine-Linked Two-Dimensional Covalent Organic Frameworks Separate Benzene and Cyclohexane Efficiently.

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Published in 2022 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.2c07166

Abstract: Two-dimensional (2D) covalent organic frameworks (COFs) are composed of structurally precise, permanently porous, layered macromolecular sheets, which are traditionally synthesized as polycrystalline solids with crystalline domain lengths smaller than 100 nm. Here, we polymerize imine-linked… read more here.

Keywords: benzene; crystalline; imine linked; single crystalline ... See more keywords
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Supramolecular polymerization provides non-equilibrium product distributions of imine-linked macrocycles†

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Published in 2020 at "Chemical Science"

DOI: 10.1039/c9sc05422g

Abstract: Supramolecular polymerization of imine-linked macrocycles has been coupled to dynamic imine bond exchange within a series of macrocycles and oligomers. In this way, macrocycle synthesis is driven by supramolecular assembly, either into small aggregates supported… read more here.

Keywords: supramolecular polymerization; polymerization; imine linked; linked macrocycles ... See more keywords

Enhancement of crystallinity of imine-linked covalent organic frameworks via aldehyde modulators

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Published in 2020 at "Polymer Chemistry"

DOI: 10.1039/d0py00776e

Abstract: Organic additives known as modulators have been used to improve the crystallinity of covalent organic frameworks (COFs) and metal–organic frameworks (MOFs). Here, we demonstrate that benzaldehyde is an effective modulator for enhancing the crystallinity and… read more here.

Keywords: linked covalent; crystallinity; imine linked; organic frameworks ... See more keywords

Solvothermal depolymerization and recrystallization of imine-linked two-dimensional covalent organic frameworks

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Published in 2021 at "Chemical Science"

DOI: 10.1039/d1sc03963f

Abstract: Mechanistic understanding into the formation and growth of imine-linked two-dimensional (2D) covalent organic frameworks (COFs) is needed to improve their materials quality and access larger crystallite sizes, both of which limit the promise of 2D… read more here.

Keywords: linked two; temperature; cof; cofs ... See more keywords