Articles with "chitosan microspheres" as a keyword



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Magnetic Nanoparticles Impregnated, Cross-Linked, Porous Chitosan Microspheres for Efficient Adsorption of Methylene Blue from Pharmaceutical Waste Water

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Published in 2019 at "Journal of Polymers and the Environment"

DOI: 10.1007/s10924-019-01531-x

Abstract: The study demonstrates the preparation of MnFe2O4 impregnated chitosan-microspheres (CMMS) as adsorbents for efficient removal of cationic thiazine dye, methylene blue. A facile approach with great economic and technical advantages to obtain highly crystalline manganese… read more here.

Keywords: pharmaceutical waste; adsorption; methylene blue; chitosan microspheres ... See more keywords
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Preparation and characterization of h-BN nanosheets/chitosan microspheres

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Published in 2019 at "Journal of Polymer Research"

DOI: 10.1007/s10965-019-1940-0

Abstract: This article reports on the high-efficiency preparation of few layers h-BN nanosheets (BNNSs) by a high-pressure homogenizer. Then, the BNNSs/chitosan microspheres (BN-CS-M) are finally prepared by mixing BNNSs with chitosan under alkaline conditions. The BNNSs… read more here.

Keywords: microscopy; chitosan microspheres; characterization nanosheets; bnnss ... See more keywords
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Facile fabrication of polyacrylic acid functionalized carboxymethyl chitosan microspheres for selective and efficient removal of Ni(II) from multicomponent wastewater

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Published in 2020 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"

DOI: 10.1016/j.colsurfa.2020.124676

Abstract: Abstract The unpurified discharge of highly toxic Ni(II)-contained wastewater represents a serious threat to ecological environment and human health. In this study, a novel polyacrylic acid (PAA) functionalized carboxymethyl chitosan microspheres (PAA-CMCs), synthesized by grafting… read more here.

Keywords: functionalized carboxymethyl; carboxymethyl chitosan; paa cmcs; polyacrylic acid ... See more keywords
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Degradation of Congo red dye using ternary metal selenide-chitosan microspheres as robust and reusable catalysts

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Published in 2021 at "Environmental Technology and Innovation"

DOI: 10.1016/j.eti.2021.101402

Abstract: Abstract Water pollution is a threatening environmental concern these days, which requires serious attention. Water is contaminated by the heavy discharge of industrial effluents containing organic wastes. Herein, this research work focused on the demand… read more here.

Keywords: ternary metal; metal selenide; selenide chitosan; chitosan microspheres ... See more keywords
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Preparation and characterization of porous chitosan microspheres and adsorption performance for hexavalent chromium.

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Published in 2019 at "International journal of biological macromolecules"

DOI: 10.1016/j.ijbiomac.2019.06.007

Abstract: Porous chitosan microspheres were successfully developed by the simple procedure of freezing chitosan hydrogel beads and subsequently lyophilizing the frozen structure in present study. The characterization of porous chitosan microspheres was subjected to detailed analysis… read more here.

Keywords: performance hexavalent; characterization porous; chitosan; chitosan microspheres ... See more keywords
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Metal-organic framework grown in situ on chitosan microspheres as robust host of palladium for heterogeneous catalysis: Suzuki reaction and the p-nitrophenol reduction.

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Published in 2022 at "International journal of biological macromolecules"

DOI: 10.1016/j.ijbiomac.2022.02.010

Abstract: In this study, the metal-organic framework ZIF-8 has been successfully planted on the surface of chitosan microspheres (CS/PDA@ZIF-8) using polydopamine as connecting material for the first time, which avoids the use of expensive, non-renewable, and… read more here.

Keywords: reaction; zif; chitosan microspheres; metal organic ... See more keywords
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Fabrication and drug release behavior of ionically cross-linked chitosan microspheres

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Published in 2018 at "Mendeleev Communications"

DOI: 10.1016/j.mencom.2018.11.011

Abstract: The chitosan microspheres were prepared by an emulsion-ionic cross-linking method; the interaction between chitosan and an anionic cross-linker was studied, and the average size, surface morphology, insulin sorption and drug release profile of formulated microspheres… read more here.

Keywords: drug release; chitosan microspheres; release behavior; fabrication drug ... See more keywords
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Studies on enzymatic degradation of multifunctional composite consisting of chitosan microspheres and shape memory polyurethane matrix

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Published in 2020 at "Polymer Degradation and Stability"

DOI: 10.1016/j.polymdegradstab.2020.109392

Abstract: Abstract Degradation studies of the multifunctional 3b-PU/CH-M composite consisting of 2.5 (wt.%) chitosan microspheres (CH-M) incorporated into crosslinked poly(caprolactone/lactide-co-glycolide) (PCL/PLGA) - urethane matrix (3b-PU) were performed in vitro in phosphate buffered saline (PBS) with lysozyme… read more here.

Keywords: degradation; matrix; multifunctional composite; composite consisting ... See more keywords
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High Strength and Hydrophilic Chitosan Microspheres for the Selective Enrichment of N-Glycopeptides.

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Published in 2017 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.7b01283

Abstract: Protein glycosylation is an important post-translational modification that plays a crucial role in many biological processes. Because of the low abundance of glycoproteins and high complexity of clinical samples, the development of methods to selectively… read more here.

Keywords: high strength; hydrophilic chitosan; strength hydrophilic; chitosan microspheres ... See more keywords
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Decoration of chitosan microspheres with Brønsted heteropolyacids and Lewis ion Ti: trifunctional catalysts for esterification to biodiesel

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Published in 2017 at "RSC Advances"

DOI: 10.1039/c7ra07479d

Abstract: H3PW12O40 is a commonly used Bronsted acid catalyst in esterification and transesterification reactions to produce biodiesel, whose homogeneous form and single acid sites lead to difficulties in separation and relatively less activity. Herein, the water-insoluble… read more here.

Keywords: h3pw12o40; decoration chitosan; h3pw12o40 chitosan; chitosan ... See more keywords
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Enhanced adsorption behaviors of Co2+ on robust chitosan hydrogel microspheres derived from an alkali solution system: kinetics and isotherm analysis

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Published in 2018 at "RSC Advances"

DOI: 10.1039/c8ra06110f

Abstract: Chitosan hydrogel microspheres derived from the LiOH/KOH/urea aqueous system demonstrate great characteristics of high mechanical strength, relative chemical inertness, renewability and 3-D fibrous network, making them promising functional supports. This work aims to investigate the… read more here.

Keywords: adsorption; hydrogel microspheres; adsorption behaviors; chitosan microspheres ... See more keywords