Articles with "carboxyl" as a keyword



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Controllable synthesis of terminal carboxyl hyperbranched polyester and their retarding effect on concrete

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Published in 2020 at "Journal of Polymer Research"

DOI: 10.1007/s10965-020-02188-0

Abstract: Concrete retarders could efficiently extend the hydration time of cement and maintain the plasticity of concrete slurry. However, some inherent shortcomings, such as a short setting time and poor compatibility, severely limits their application. To… read more here.

Keywords: time; cthp; retarding effect; concrete ... See more keywords
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Immobilization of carboxyl-modified multiwalled carbon nanotubes in chitosan-based composite membranes for U(VI) sorption

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Published in 2018 at "Journal of Radioanalytical and Nuclear Chemistry"

DOI: 10.1007/s10967-018-5993-z

Abstract: The carboxyl-modified multiwalled carbon nanotubes were immobilized in chitosan-based composite membranes (CS-CNTs) which were used as efficient sorbents for U(VI) sorption. The incorporation of CNTs in the CS-CNTs membranes improves their mechanical strength as well… read more here.

Keywords: multiwalled carbon; carbon nanotubes; modified multiwalled; sorption ... See more keywords
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Carboxyl-functionalized magnetic porous organic polymers as efficient adsorbent for wastewater remediation

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Published in 2020 at "Journal of The Taiwan Institute of Chemical Engineers"

DOI: 10.1016/j.jtice.2020.02.002

Abstract: Abstract Decontamination of toxic pollutants by porous nanomaterials with high removal efficiency has aroused immense concern in recent years. Herein, the newly designed magnetic porous organic polymers with abundant carboxyl groups (CMPOPs) were prepared via… read more here.

Keywords: adsorption; magnetic porous; organic polymers; porous organic ... See more keywords

Poly (arylene ether ketone) with carboxyl groups ultrafiltration membrane for enhanced permeability and anti-fouling performance

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Published in 2021 at "Separation and Purification Technology"

DOI: 10.1016/j.seppur.2021.119885

Abstract: Abstract In this study, a novel poly (arylene ether ketone) with carboxyl groups (C-PAEK) was synthesized by adjusting the ratio of 4-carboxylphenyl hydroquinone (4C-PH) with bisphenol A (BPA). Fourier transform infrared spectroscopy (FTIR) and 1H… read more here.

Keywords: carboxyl groups; poly arylene; ether ketone; carboxyl ... See more keywords
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Design of Gallic Acid-Glutamine Conjugate and Chemical Implications for Its Potency Against Alzheimer's Amyloid-β Fibrillogenesis.

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Published in 2022 at "Bioconjugate chemistry"

DOI: 10.1021/acs.bioconjchem.2c00073

Abstract: Epigallocatechin-3-gallate (EGCG) has been widely recognized as a potent inhibitor of Alzheimer's amyloid-β (Aβ) fibrillogenesis. We found that gallic acid (GA) has superior inhibitory effects over EGCG at the same mass concentrations and assumed the… read more here.

Keywords: gallic acid; alzheimer amyloid; carboxyl; fibrillogenesis ... See more keywords
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Nanoconfined Hydrated Zirconium Oxide for Selective Removal of Cu(II)-Carboxyl Complexes from High-Salinity Water via Ternary Complex Formation.

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Published in 2019 at "Environmental science & technology"

DOI: 10.1021/acs.est.9b00745

Abstract: Toxic metals are usually present as organic complexes in high-salinity effluents from various industries. The efficient removal of such metal complexes is an imperative but still challenging task due to their stable structure and high… read more here.

Keywords: hzo 201; water; complexes high; salinity ... See more keywords
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Semiaromatic Polyamides Containing Carboxyl Unit: Synthesis and Properties

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Published in 2017 at "Industrial & Engineering Chemistry Research"

DOI: 10.1021/acs.iecr.7b01998

Abstract: In this work, 2-(bis(4-hydroxyphenyl)methyl)benzoic acid (BHPBA) was prepared by hydrolysis of phenolphthalein with addition of ferrous powder. Afterward, semiaromatic polyamides (SAPs) with varied carboxyl group content were prepared from BHPBA and the bisphenol 1,1-bis(4-hydroxyphenyl)-1-phenylethane (BHPPE)… read more here.

Keywords: polyamides containing; carboxyl unit; containing carboxyl; unit synthesis ... See more keywords
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Synthesis and Biological Evaluation of Ru(II) and Pt(II) Complexes Bearing Carboxyl Groups as Potential Anticancer Targeted Drugs.

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Published in 2017 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.7b01178

Abstract: The synthesis and characterization of Pt(II) (1 and 2) and Ru(II) arene (3 and 4) or polypyridine (5 and 6) complexes is described. With the aim of having a functional group to form bioconjugates, one… read more here.

Keywords: dna; cell lines; group; carboxyl group ... See more keywords
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2H-Azirine-based Reagents for Chemoselective Bioconjugation at Carboxyl Residues inside Live Cells.

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Published in 2020 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.9b12116

Abstract: Protein modification by chemical reagents has played an essential role in the treatment of human diseases. However, the reagents currently used are limited to the covalent modification of cysteine and lysine residues. It is thus… read more here.

Keywords: reagents chemoselective; azirine based; based reagents; carboxyl residues ... See more keywords
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Role of Cytosolic Carboxypeptidase 5 in Neuronal Survival and Spermatogenesis

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Published in 2017 at "Scientific Reports"

DOI: 10.1038/srep41428

Abstract: Proteins may undergo a type of posttranslational modification – polyglutamylation, where a glutamate residue is enzymatically linked to the γ-carboxyl group of a glutamate in the primary sequence of proteins and additional glutamates are then… read more here.

Keywords: spermatogenesis; ccp5; neuronal survival; carboxyl ... See more keywords
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Facile Construction of Carboxyl-Functionalized Ionic Polymer towards Synergistic Catalytic Cycloaddition of Carbon Dioxide into Cyclic Carbonates

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Published in 2022 at "International Journal of Molecular Sciences"

DOI: 10.3390/ijms231810879

Abstract: The development of bifunctional ionic polymers as heterogeneous catalysts for effective, cocatalyst- and metal-free cycloaddition of carbon dioxide into cyclic carbonates has attracted increasing attention. However, facile fabrication of such polymers having high numbers of… read more here.

Keywords: cyclic carbonates; carboxyl; ionic polymer; ionic polymers ... See more keywords