Articles with "pnipaam" as a keyword



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Multifunctional temperature-responsive polymers as advanced biomaterials and beyond.

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Published in 2020 at "Journal of applied polymer science"

DOI: 10.1002/app.48770

Abstract: The versatility and applicability of thermoresponsive polymeric systems have led to great interest and a multitude of publications. Of particular significance, multifunctional poly(N-isopropylacrylamide) (PNIPAAm) systems based on PNIPAAm copolymerized with various functional comonomers or based… read more here.

Keywords: responsive polymers; multifunctional temperature; temperature; temperature responsive ... See more keywords
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Durable poly(N-isopropylacrylamide) grafted PDMS micropillared surfaces for temperature-modulated wetting

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Published in 2021 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"

DOI: 10.1016/j.colsurfa.2020.125901

Abstract: Abstract Surface grafting of polymer brushes has become an area of significant research to deliver desired material properties such as smart wetting. In this research the grafting of Poly(N-isopropylacrylamide)(PNIPAAm) by benzophenone-initiated UV polymerization on micro-pillared… read more here.

Keywords: temperature; poly isopropylacrylamide; grafted pdms; pnipaam ... See more keywords
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Thermo-responsive nanofibrous composite membranes for efficient self-cleaning of protein foulants

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Published in 2019 at "Journal of Membrane Science"

DOI: 10.1016/j.memsci.2018.12.086

Abstract: Abstract This study developed a self-clean thermo-responsive nanofibrous poly(vinylidene fluoride) (PVDF)/nylon-6,6/poly(N-isopropylacrylamide) (PNIPAAm) composite ultrafiltration membrane consisting of a nylon-6,6/PNIPAAm functional nanofibre layer integrated into a PVDF substrate. The morphological analysis showed the presence of electrospun… read more here.

Keywords: nanofibrous composite; membrane; pnipaam; pnipaam membranes ... See more keywords
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On the upper critical solution temperature of PNIPAAM in an ionic liquid: Effect of molecular weight, tacticity and water

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Published in 2017 at "Polymer"

DOI: 10.1016/j.polymer.2017.05.059

Abstract: Abstract The upper critical solution temperature (UCST) of 1.0 wt% Poly(N-isopropylacrylamide) (PNIPAAM) in the ionic liquid (IL) 1-ethyl-3-methylimidazolium-bis(trifluoromethanesulfonyl)amide ([EMIM][TFSI]) is strongly affected by the molecular weight and tacticity of the polymer and water content of the… read more here.

Keywords: water; solution temperature; upper critical; critical solution ... See more keywords
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Degradable and Injectable Hydrogel for Drug Delivery in Soft Tissues.

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Published in 2019 at "Biomacromolecules"

DOI: 10.1021/acs.biomac.8b01242

Abstract: Injectable hydrogels are promising platforms for tissue engineering and local drug delivery as they allow minimal invasiveness. We have here developed an injectable and biodegradable hydrogel based on an amphiphilic PNIPAAm- b-PLA- b-PEG- b-PLA- b-PNIPAAm… read more here.

Keywords: drug delivery; pla; drug; degradable injectable ... See more keywords
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Tuning Compressive Young’s Moduli and Antibacterial Activities of Alginate/Poly(N-isopropylacrylamide) Hydrogels with Laponite Layers and Cerium Ions

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Published in 2022 at "ACS Omega"

DOI: 10.1021/acsomega.2c03937

Abstract: Hybrid hydrogels containing alginate (Alg) and poly(N-isopropylacrylamide) (PNIPAAm) chains as natural and synthetic components, respectively, were crosslinked using double and triple pairs of the crosslinkers Ce3+/Ce4+, laponite (LP) RD, and N,N’-methylenebisacrylamide (BIS). (Alg/PNIPAAm)-Ce3+ and (Alg/PNIPAAm-PNIPAAm)-Ce3+… read more here.

Keywords: ce3; pnipaam; alg pnipaam; alg ... See more keywords
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Selective adsorption of oppositely charged PNIPAAM on halloysite surfaces: a route to thermo-responsive nanocarriers.

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Published in 2018 at "Nanotechnology"

DOI: 10.1088/1361-6528/aac5c3

Abstract: Halloysite nanotubes were functionalized with stimuli-responsive macromolecules to generate smart nanohybrids. Poly(N-isopropylacrylamide)-co-methacrylic acid (PNIPAAM-co-MA) was selectively adsorbed into halloysite lumen by exploiting electrostatic interactions. Amine-terminated PNIPAAM polymer was also investigated that selectively interacts with the… read more here.

Keywords: selective adsorption; pnipaam halloysite; adsorption oppositely; pnipaam ... See more keywords
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Dual Functional Ultrafiltration Membranes with Enzymatic Digestion and Thermo-Responsivity for Protein Self-Cleaning

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Published in 2018 at "Membranes"

DOI: 10.3390/membranes8030085

Abstract: Controlling surface–protein interaction during wastewater treatment is the key motivation for developing functionally modified membranes. A new biocatalytic thermo-responsive poly vinylidene fluoride (PVDF)/nylon-6,6/poly(N-isopropylacrylamide)(PNIPAAm) ultrafiltration membrane was fabricated to achieve dual functionality of protein-digestion and thermo-responsive… read more here.

Keywords: digestion thermo; ultrafiltration; surface; self cleaning ... See more keywords
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Temperature Responsive Polymer Conjugate Prepared by “Grafting from” Proteins toward the Adsorption and Removal of Uremic Toxin

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Published in 2022 at "Molecules"

DOI: 10.3390/molecules27031051

Abstract: In this study, temperature-responsive polymer-protein conjugate was synthesized using a “grafting from” concept by introducing a chain transfer agent (CTA) into bovine serum albumin (BSA). The BSA-CTA was used as a starting point for poly(N-isopropylacrylamide)… read more here.

Keywords: temperature responsive; responsive polymer; pnipaam; conjugate ... See more keywords
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Therapeutic Application of an Ag-Nanoparticle-PNIPAAm-Modified Eggshell Membrane Construct for Dermal Regeneration and Reconstruction

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Published in 2022 at "Pharmaceutics"

DOI: 10.3390/pharmaceutics14102162

Abstract: Current therapeutic treatments for the repair and/or replacement of damaged skin following disease or traumatic injury is severely limited. The chicken eggshell membrane (ESM) is a unique material: its innate physical and mechanical characteristics offer… read more here.

Keywords: eggshell membrane; pnipaam; release; viability ... See more keywords
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Preparation and Properties of Polyvinylidene Fluoride Nanocomposited Membranes based on Poly(N-Isopropylacrylamide) Modified Graphene Oxide Nanosheets

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Published in 2019 at "Polymers"

DOI: 10.3390/polym11030473

Abstract: The nanomaterial of graphene oxide grafting poly (N-isopropylacrylamide) (GO-g-PNIPAAm) was synthesized and PVDF/GO-g-PNIPAAm blended membranes were fabricated by wet phase inversion. In this work, a hydrophilic nanomaterial GO-g-PNIPAAm with poly(N-isopropylacrylamide) (PNIPAAm) grafted on GO, was… read more here.

Keywords: graphene oxide; polyvinylidene fluoride; poly isopropylacrylamide; spectroscopy ... See more keywords