N-Isopropylacrylamide
Temperature-dependent structure and dynamics of highly-branched poly(N-isopropylacrylamide) in aqueous solution
... Small-angle neutron scattering (SANS) and neutron spin-echo (NSE) have been used to investigate the temperature- dependent solution behaviour of highly-branched poly(N-isopropylacrylamide) (HB-PNIPAM). SANS ...
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Characterization of complexation of poly (N-isopropylacrylamide-co-2-(dimethylamino) ethyl methacrylate) thermoresponsive cationic nanogels with salmon sperm DNA
... on N-isopropylacrylamide (NIPAM), 2-(dimethylamino)ethyl methacrylate (DMAEMA), and quaternary alkyl ammo- nium halide salts of DMAEMA (DMAEMAQ) were synthesized by dispersion polymeriza- tion ...
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Polymeric Nanohydrogels of Poly(N Isopropylacrylamide) Combined with Others Functionalized Monomers: Synthesis and Characterization
... of N-isopropylacrylamide (NIPA) and functionalized monomers are ...were: N-(pyridine-4-ylmethyl) acrylamide (NP4MAM) and tert-butyl 2-acrylamidoethyl carbamate ...
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Poly(N isopropylacrylamide co N tert butylacrylamide) grafted hyaluronan as an injectable and self assembling scaffold for cartilage tissue engineering
... Novel poly(N-isopropylacrylamide-co-N-tert-butylacry- lamide)-grafted hyaluronan [P(NIPAAm-co-NtBAAm)- g-HA] has been developed as a modified derivative to improve phase-transition characteristics of ...
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DUAL STIMULI RESPONSIVE POLY (N ISOPROPYLACRYLAMIDE co ACRYLIC ACID) COPOLYMERS AND THEIR APPLICATIONS IN IBUPROFEN DELIVERY
... ABSTRACT: A series of poly(N-isopropylacrylamide-co-acrylic acid) (P(NIPAM-co-AA)) nanoparticles with different contents of acrylic acid were synthesized via free radical polymerization route. Their pH- and ...
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Cell engineering: nanometric grafting of poly-N-isopropylacrylamide onto polystyrene film by different doses of gamma radiation
... Abstract: Poly-N-isopropylacrylamide was successfully grafted onto a polystyrene cell culture dish and γ-preirradiated in air. In this study, the effect of a γ-pre-irradiation dose of radiation (radiation ...
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AN INVESTIGATION OF POLY(N-ISOPROPYLACRYLAMIDE) FOR APPLICATIONS WITH MICROFLUIDIC PAPER-BASED ANALYTICAL DEVICES
... used: N-isopropylacrylamide (NIPAM, Sigma Aldrich), N,N′-methylenebisacrylamide (BIS, Fisher Bioreagents), potassium persulfate (KPS, Sigma Aldrich), tetramethylethylenediamine (TEMED, Fisher ...
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Fast responsive and morphologically robust thermo-responsive hydrogel nanofibres from poly(N-isopropylacrylamide) and POSS crosslinker
... Stable thermo-responsive hydrogel nanofibres have been prepared by electrospinning of commercial poly(N-isopropylacrylamide) (PNIPAM) in the presence of a polyhedral oligomeric silsesquioxane (POSS) ...
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In Situ Synthesized Myoglobin Imprinted Poly(N Isopropylacrylamide)/Silica Nanocomposite Gels by Using the Molecular Imprinting Method
... Temperature sensitive imprinted poly(N-isopropylacrylamide) nanocomposite gels were syntheses via in-situ, free radical crosslinking polymerization of corresponding monomer in nano-sized silica and five ...
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Swelling Kinetics of Poly(N-Isopropylacrylamide)-Based Hydrogel and its Application as Anti-Diabetic Drugs Delivery System
... of N-isopropylacrylamide (NIPA) monomer from equation (1) was found to be ...of N, N, N′, N′-Tetramethylethylenediamine ...
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Biological Evaluation of Tissue Engineered Cartilage Using Thermoresponsive Poly(N isopropylacrylamide) Grafted Hyaluronan
... In order to contribute to the development of minimally invasive surgery techniques for autologous chondrocyte implan- tation, a novel self-assembling biomaterial consisting of thermoresponsive ...
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Linear Copolymer of N-Isopropylacrylamide and 2-Hydroxyethylacrylate: Synthesis, Characterization and Monomer Reactivity Ratios
... Glass transition temperature (T g ) which is an important property for a polymer was determined by Differential Scanning Calorimetry (DSC). DSC thermograms obtained for NIPAAm-co-2-HEA copolymers with composition ratio ...
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Thermo and pH Responsive Hydrogels Based on N Isopropylacrylamide and Allylamine Copolymers
... of N-isopropylacrylamide and al- lylamine hydrochloride ...with N-isopropylacrylamide/allylamine hydrochloride mass ratio of 3:2 show the highest ...
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The Aggregation of Bentonite Using Poly(N isopropylacrylamide) as a Flocculant
... poly( N -vinyl- ε -caprolactam) [22] [23], poly(2-ethoxyethylvinylether) (EOVE) [24], poly( N -isopropylacrylamide) (PNIPAM), change their volumes at a certain ...
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I. THE BINDING OF Cu(II) and Zn(II) TO POLY-N-ISOPROPYLACRYLAMIDE AND ITS EFFECTS ON THE PHASE TRANSITION and II. THE SYNTHESIS AND CHARACTERIZATION OF NICKELALACTONES CHELATED BY P-N-P PINCER LIGANDS, Luke Aaron Fulton
... This project explored the interaction between free metal ion and the thermoresponsive polymer poly-N-isopropylacrylamide (PNIPAm). Preliminary scattering studies discovered evidence that dissolved metal ion ...
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Poly-N-isopropylacrylamide (pNIPAM): a reversible bioadhesive for sclerotomy closure
... The ideal adhesive for extras- or intraocular use should be nontoxic, biocompatible, tolerated by ocular tissue (i.e., smooth surface), and inexpensive. Previous reports showed that adhesives such as cyanoacrylate and ...
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Biocompatibility and intradiscal application of a thermoreversible celecoxib loaded poly N isopropylacrylamide MgFe layered double hydroxide hydrogel in a canine model
... Temperature-sensitive poly-N-isopropylacrylamide (pNIPAAM)-based hydrogels have been extensively used in the field of controlled release [17]. These gels could be particularly suitable for intradiscal ...
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Synthesis and Characterization of Temperature Sensitive and Chemically Cross Linked Poly( N isopropylacrylamide)/Photosensitizer Hydrogels for Applications in Photodynamic Therapy
... The PpIX-PNIPAM hydrogel was synthesized using an in situ dispersion polymerization method which involves mixing organic (to handle the water-insoluble PS monomers) and aqueous solvents. The presence of a double bond in ...
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Graphene Oxide/Poly (N-isopropylacrylamide) Hybrid Film-based Near-infrared Light-driven Bilayer Actuators with Shape Memory Effect
... electron microscopy (SEM). SEM images were obtained with SEM (Quanta 400 FEG). SEC analysis was conducted on a modular system consisting of a Waters 1515 pump, a 717 plus autosampler, and a 2410 refractive index ...
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Fabrication of device with poly(N-isopropylacrylamide)-b-ssDNA copolymer brush for resistivity study
... (PN8D) measured for NaCl at concentrations from 0 to 1.0 M. The anions of salt induced the salting-out of the homopolymer resulting the slight increase in the thick- nesses of the PN8 layers at both of 25 and 45 °C upon ...
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