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   Articles with "poly isopropylacrylamide" as a keyword



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Rheological study on the thermoinduced gelation behavior of poly(N‐isopropylacrylamide‐co‐acrylic acid) microgel suspensions

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recommendations! Published in 2017 at "Journal of Applied Polymer Science"

DOI: 10.1002/app.45259

Abstract: Submicron-sized thermoresponsive poly(N-isopropylacrylamide-co-acrylic acid) microgels were synthesized by soap-free emulsion polymerization. The physical state of the microgel suspensions, in a wide range of polymer concentrations (1.1–7.1 wt %), transformed from fluid to gel when the… read more here.

Keywords: isopropylacrylamide acrylic; gelation; microgel suspensions; acrylic acid ... See more keywords
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Gelatin interpenetration in poly N‐isopropylacrylamide network reduces the compressive modulus of the scaffold: A property employed to mimic hepatic matrix stiffness

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recommendations! Published in 2019 at "Biotechnology and Bioengineering"

DOI: 10.1002/bit.27218

Abstract: The progression of liver disease from normal to cirrhotic state is characterized by modulation of the stiffness of the extracellular matrix (ECM). Mimicking this modulation in vitro scaffold could provide a better insight into hepatic… read more here.

Keywords: stiffness; poly isopropylacrylamide; gelatin interpenetration; interpenetration ... See more keywords
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Validation and scalability of homemade polycaprolactone macrobeads grafted with thermo‐responsive poly(N‐isopropylacrylamide) for mesenchymal stem cell expansion and harvesting

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recommendations! Published in 2022 at "Biotechnology and Bioengineering"

DOI: 10.1002/bit.28133

Abstract: In this study, polycaprolactone (PCL) macrobeads were prepared by an oil‐in‐water (o/w) emulsion solvent evaporation method with poly(vinyl alcohol) (PVA) as an emulsifier and conjugated to poly(N‐isopropylacrylamide) (PNIPAAm) to be used as cell carriers with… read more here.

Keywords: cell; thermo responsive; spectroscopy; microscopy ... See more keywords
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A Novel Temperature-Dependent Hydrogel Emulsion with Sol/Gel Reversible Phase Transition Behavior Based on Polystyrene-co-poly(N-isopropylacrylamide)/Poly(N-isopropylacrylamide) Core-Shell Nanoparticle.

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recommendations! Published in 2020 at "Macromolecular rapid communications"

DOI: 10.1002/marc.202000507

Abstract: As a kind of temperature-responsive hydrogel, polystyrene-co-poly(N-isopropylacrylamide)/poly(N-isopropylacrylamide) (PS-co-PNIPAM/PNIPAM) core-shell nanoparticles prepared by two-step copolymerization are widely studied and used because of their specific structures and properties. Unlike most reports about the steady stability of PS-co-PNIPAM/PNIPAM… read more here.

Keywords: core shell; temperature; pnipam; poly isopropylacrylamide ... See more keywords
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Injectable Thermosensitive Iodine-Loaded Starch-g-poly(N-isopropylacrylamide) Hydrogel for Cancer Photothermal Therapy and Anti-Infection.

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recommendations! Published in 2022 at "Macromolecular rapid communications"

DOI: 10.1002/marc.202200203

Abstract: Although photothermal therapy (PTT) can effectively eliminate tumors, the normal tissues near tumors are inevitably damaged by heat and infected by bacteria, which greatly limits the therapeutic effect. In this work, an injectable thermosensitive hydrogel… read more here.

Keywords: photothermal therapy; hydrogel; starch; iodine ... See more keywords
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Dual temperature- and pH-responsive ibuprofen delivery from poly(N-isopropylacrylamide-co-acrylic acid) nanoparticles and their fractal features

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recommendations! Published in 2017 at "Polymer Bulletin"

DOI: 10.1007/s00289-017-1915-4

Abstract: The loading properties of ibuprofen (IBU) were investigated using poly(N-isopropylacrylamide-co-acrylic acid) P(NIPAM-co-AA) copolymer nanoparticles as a carrier. Subsequently, the sensitivity of controlled release performance during changing external conditions and composition of copolymer were evaluated in… read more here.

Keywords: isopropylacrylamide acrylic; microscopy; acrylic acid; poly isopropylacrylamide ... See more keywords
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Frontal polymerization and characterization of interpenetrating polymer networks composed of poly(N-isopropylacrylamide) and polyvinylpyrrolidone

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recommendations! Published in 2017 at "Colloid and Polymer Science"

DOI: 10.1007/s00396-017-4215-5

Abstract: The synthesis of semi-interpenetrating polymer networks (IPN) of the hydrogel, poly(N-isopropylacrylamide)/polyvinylpyrrolidone (PNIPAm/PVP), by frontal polymerization, was carried out. The frontal parameters were studied, and the products were characterized. It was observed that the incorporation of… read more here.

Keywords: polymer networks; frontal polymerization; drug; poly isopropylacrylamide ... See more keywords
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Biodegradable poly(N-isopropylacrylamide-co-N-maleylgelatin) hydrogels with adjustable swelling behavior

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recommendations! Published in 2019 at "Colloid and Polymer Science"

DOI: 10.1007/s00396-019-04498-2

Abstract: AbstractThis study describes the detailed investigation on dynamic swelling of biodegradable network system poly(N-isopropylacrylamide-co-N-maleylgelatin) P(NIPAAm-co-N-MAGEL) prepared by N-isopropylacrylamide (NIPAAm) and N-maleylgelatin (MAGEL) with N,N′-methylene bis(acrylamide) (BIS) as a cross-linking agent. Effects of MAGEL content on… read more here.

Keywords: magel; isopropylacrylamide maleylgelatin; poly isopropylacrylamide; swelling behavior ... See more keywords
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Physical Crosslinked Poly(N-isopropylacrylamide)/Nano-Hydroxyapatite Thermosensitive Composite Hydrogels

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recommendations! Published in 2018 at "Journal of Inorganic and Organometallic Polymers and Materials"

DOI: 10.1007/s10904-018-0893-9

Abstract: Injectable and thermosensitive poly(N-isopropylacrylamide) (PNIPA)/nano-hydroxyapatite (nano-HA) composite hydrogels were synthesized by physical crosslinking of N-isopropylacrylamide with nano-HA as cross-linker to improve the mechanical property of hydrogels and avoid the use of chemical cross-linker. Internal morphology,… read more here.

Keywords: pnipa; isopropylacrylamide nano; poly isopropylacrylamide; composite hydrogels ... See more keywords
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Exploration of the Effect of Chitosan and Crosslinking Agent Concentration on the Properties of Dual Responsive Chitosan-g-Poly (N-Isopropylacrylamide) Co-polymeric Particles

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recommendations! Published in 2017 at "Journal of Polymers and the Environment"

DOI: 10.1007/s10924-017-0971-z

Abstract: The objective of the present study was to synthesize and evaluate the effect of change in concentration of chitosan (CS) and N,N-methylenebisacrylamide (MBA)- a cross linking agent, on various properties such as lower critical solution… read more here.

Keywords: particle size; zeta potential; chitosan poly; chitosan ... See more keywords

Poly(N-isopropylacrylamide)-based thermoresponsive surfaces provide new types of biomedical applications.

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recommendations! Published in 2018 at "Biomaterials"

DOI: 10.1016/j.biomaterials.2017.10.026

Abstract: Thermoresponsive surfaces, prepared by grafting of poly(N-isopropylacrylamide) (PIPAAm) or its copolymers, have been investigated for biomedical applications. Thermoresponsive cell culture dishes that show controlled cell adhesion and detachment following external temperature changes, represent a promising… read more here.

Keywords: thermoresponsive surfaces; isopropylacrylamide based; poly isopropylacrylamide; based thermoresponsive ... See more keywords