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Showing 1-30 of 65 results for "94904" within Papers
Xiao Yin et al.
Carbohydrate polymers, 255, 117390-117390 (2021-01-14)
Studies on interactions between oppositely charged polysaccharides have gathered great interest. We proposed that the association between oppositely charged polymers could be regulated via hydration. A comparison study was carried out by using quaternary chitosan with different counterions(Cl-, Ac-, OH-)
Maria Vomero et al.
Scientific reports, 7, 40332-40332 (2017-01-14)
We report on the superior electrochemical properties, in-vivo performance and long term stability under electrical stimulation of a new electrode material fabricated from lithographically patterned glassy carbon. For a direct comparison with conventional metal electrodes, similar ultra-flexible, micro-electrocorticography (μ-ECoG) arrays
C R M de Lima et al.
Colloids and surfaces. B, Biointerfaces, 170, 210-218 (2018-06-21)
Interpolyelectrolyte complexes of chitosan and poly(sodium 4-styrenesulfonate) [NaPSS] were synthesized and obtained in the form of solid particles, with two different sulfonate to aminium molar ratios: 0.7, resulting in particles with positive zeta potential (IPEC+), and 1.4, yielding particles with
Moumita Khamrai et al.
International journal of biological macromolecules, 122, 940-953 (2018-11-06)
In this context, we have prepared a biocompatible gelatin based polyelectrolyte hydrogel patch that has an inherent ability to self-heal in the presence of physiological pH (pH = 7.4). The gelatin-based hydrogel patch consists of the ionically modified self-assembled bacterial cellulose (iBC)
O Kulakovich et al.
Nanotechnology, 32(3), 035204-035204 (2020-10-03)
The effect of gold and silver plasmonic films on the photoluminescence and photostability of InP/ZnSe/ZnSeS/ZnS nanocrystals (quantum dots) is reported. Colloidal gold films promote the photostability enhancement of InP/ZnSe/ZnSeS/ZnS quantum dots (more durable emission properties in the presence of metal
Sandra Ritz et al.
Biomacromolecules, 16(4), 1311-1321 (2015-03-21)
Understanding nanoparticle-protein interactions is a crucial issue in the development of targeted nanomaterial delivery. Besides unraveling the composition of the nanoparticle's protein coronas, distinct proteins thereof could control nanoparticle uptake into specific cell types. Here we differentially analyzed the protein
Thomas M Schmidt et al.
Beilstein journal of nanotechnology, 6, 1-10 (2015-02-12)
The plasmonic coupling between gold caps and holes in thin films was investigated experimentally and through finite-difference time-domain (FDTD) calculations. Sparse colloidal lithography combined with a novel thermal treatment was used to control the vertical spacing between caps and hole
Amélie Leroux et al.
Biointerphases, 15(6), 061006-061006 (2020-11-19)
Polycaprolactone (PCL) is a widely used biodegradable polyester for tissue engineering applications when long-term degradation is preferred. In this article, we focused on the analysis of the hydrolytic degradation of virgin and bioactive poly(sodium styrene sulfonate) (pNaSS) functionalized PCL surfaces
Mariia Dmitrenko et al.
Membranes, 10(7) (2020-07-28)
The aim of the study is to improve the performance of thin-film composite (TFC) membranes with a thin selective layer based on chitosan (CS) via different approaches by: (1) varying the concentration of the CS solution; (2) changing the porosity
Nilanjal Misra et al.
Carbohydrate polymers, 249, 116902-116902 (2020-09-17)
A low cost, cellulose based anionic adsorbent has been synthesized at room temperature by single step gamma radiation induced grafting of 4-vinylbenzenesulfonic acid sodium salt (VBSA) onto cellulose using water as solvent. Grafting parameters, namely, radiation dose, monomer concentration, volume/weight
Cristina Adrover-Jaume et al.
Sensors and actuators. B, Chemical, 330, 129333-129333 (2021-02-02)
Decentralizing COVID-19 care reduces contagions and affords a better use of hospital resources. We introduce biosensors aimed at detecting severe cases of COVID-19 in decentralized healthcare settings. They consist of a paper immunosensor interfaced with a smartphone. The immunosensors have
Juanjuan Feng et al.
Analytical and bioanalytical chemistry, 407(23), 7025-7035 (2015-07-30)
Ionic liquids (ILs) have been efficiently used as a "designer sorbent" in sample preparation. A novel 1-(3-aminopropyl)-3-(4-vinylbenzyl)imidazolium 4-styrenesulfonate IL monomer was synthesized and copolymerized with 1,6-di(3-vinylimidazolium) hexane bishexafluorophosphate IL as cross-linking agent to prepare a cross-linked polymeric ionic liquids (PILs)
Taehyung Kim et al.
Polymers, 11(3) (2019-04-10)
The thermal-responsive polymers, poly(alkane-1,#-diylbis(tri-n-butylphosphonium) 4-vinylbenzenesulfonate) (PSSBP#, # = 8, 6, and 4), where # is the number of carbon atoms in the central bridge structure of the dicationic phosphonium moiety, were synthesized to examine their potential application as draw solutes
Xinyi Guo et al.
Journal of nanobiotechnology, 17(1), 86-86 (2019-08-08)
Controllable and multiple DNA release is critical in modern gene-based therapies. Current approaches require complex assistant molecules for combined release. To overcome the restrictions on the materials and environment, a novel and versatile DNA release method using a nano-electromechanical (NEMS)
Robert Texidó et al.
Polymers, 11(12) (2019-12-19)
In this paper, we report a one-step method to obtain conductive polypyrrole thin films on flexible substrates. To do this, substrates were modified through allylamine plasma grafting to create a high amount of reactive amine groups on PDMS surface. These
Yi-Da Song et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 27(10), 3560-3567 (2020-11-10)
In this study, a strategy that can result in the polyaniline (PANI) solely confined within the nanopores of a metal-organic framework (MOF) without forming obvious bulk PANI between MOF crystals is developed. A water-stable zirconium-based MOF, UiO-66-NH2 , is selected
Silvana A Rosú et al.
The protein journal, 36(4), 374-383 (2017-06-22)
Among other components of the extracellular matrix (ECM), glycoproteins and glycosaminoglycans (GAGs) have been strongly associated to the retention or misfolding of different proteins inducing the formation of deposits in amyloid diseases. The composition of these molecules is highly diverse
Elżbieta Luboch et al.
Journal of inclusion phenomena and macrocyclic chemistry, 86(3), 323-335 (2016-11-25)
Novel biscrowns
Aung Thu Haine et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 119, 91-95 (2017-06-11)
Transdermal protein delivery is a useful and attractive method for protein therapy and dermal vaccination. However, this delivery method is restricted by the low permeability of the stratum corneum. The purpose of this study was to develop a transdermal delivery
Anton Gurkov et al.
PloS one, 12(10), e0186548-e0186548 (2017-10-19)
In vivo physiological measurement is a major challenge in modern science and technology, as is environment conservation at the global scale. Proper toxicological testing of widely produced mixtures of chemicals is a necessary step in the development of new products
Pei-Sung Hung et al.
Nanomaterials (Basel, Switzerland), 10(9) (2020-09-04)
We demonstrate a water-based synthetic route to fabricate composite inverse opals for simultaneous detection of ascorbic acid (AA), dopamine (DA), and uric acid (UA). Our process involves the conformal deposition of poly(3,4-ethylenedioxythiophene) (PEDOT) and PEDOT/Au on the skeletons of Ni
Fuduo Ma et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(20), 6307-6312 (2015-05-06)
Chiral molecules with opposite handedness exhibit distinct physical, chemical, or biological properties. They pose challenges as well as opportunities in understanding the phase behavior of soft matter, designing enantioselective catalysts, and manufacturing single-handed pharmaceuticals. Microscopic particles, arranged in a chiral
Komol Kanta Sharker et al.
Polymers, 11(2) (2019-04-10)
Strong polyampholytes comprising cationic vinylbenzyl trimethylammonium chloride (VBTAC) bearing a pendant quaternary ammonium group and anionic sodium p-styrenesulfonate (NaSS) bearing a pendant sulfonate group were prepared via reversible addition-fragmentation chain-transfer polymerization. The resultant polymers are labelled P(VBTAC/NaSS)
N L Smith et al.
Physical chemistry chemical physics : PCCP, 19(47), 31813-31822 (2017-11-25)
We fabricate 2D photonic crystals (2DPC) by spreading a dispersion of charged colloidal particles (diameters = 409, 570, and 915 nm) onto the surface of electrolyte solutions using a needle tip flow method. When the interparticle electrostatic interaction potential is
Efstathia Kougia et al.
Molecules (Basel, Switzerland), 20(12), 21313-21327 (2015-12-04)
In the present work a detailed study of new bacteriostatic copolymers with quaternized ammonium groups introduced in the polymer chain through covalent attachment or electrostatic interaction, was performed. Different copolymers have been considered since beside the active species, the hydrophobic/hydrophilic
Ioanna Tzoumani et al.
Materials (Basel, Switzerland), 12(24) (2019-12-11)
Novel cross-linked hydrogels were synthesized as potential materials for the development of smart biofertilizers. For this purpose, hydrogels were prepared using collagen hydrolysate recovered from tannery waste. The water-soluble polymer poly(sodium 4-styrenesulfonate-co-glycidyl methacrylate) (P(SSNa-co-GMAx)) was among others used for the
Kesheng Wu et al.
Talanta, 129, 431-437 (2014-08-17)
A magnetic solid-phase extraction method (MSPE) was developed to pre-concentrate and cleanup clenbuterol (CLE) from pork muscle. Novel sulfonated polystyrene magnetic nanobeads (spMNBs) were synthesized via a one-pot emulsion copolymerization method by using divinylbenzene, styrene, and sodium styrene sulfonate in
Graphene oxide as a radical initiator: Free radical and controlled radical polymerization of sodium 4-vinylbenzenesulfonate with graphene oxide
Voylov D, et al.
ACS Macro Letters, 5(2), 199-202 (2016)
Anton A Babaev et al.
Materials (Basel, Switzerland), 12(24) (2020-01-01)
Graphene-quantum dot nanocomposites attract significant attention for novel optoelectronic devices, such as ultrafast photodetectors and third-generation solar cells. Combining the remarkable optical properties of quantum dots (QDs) with the exceptional electrical properties of graphene derivatives opens a vast perspective for
Liudmila Trotsiuk et al.
Nanotechnology, 31(10), 105201-105201 (2019-11-22)
Plasmon-exciton coupling is of great importance to many optical devices and applications. One of the coupling manifestations is plasmon-enhanced fluorescence. Although this effect is demonstrated in numerous experimental and theoretical works, there are different particle shapes for which this effect
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