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Showing 1-30 of 34 results for "535931" within Papers
Dong Yang et al.
Journal of nanoscience and nanotechnology, 13(8), 5485-5492 (2013-07-26)
Composite Fe3O4/Au nanoparticles are attracting considerable interest in developing visual and specific detection of biomolecular due to their unique physical and chemical properties. Here, two localize surface plasmon resonance (LSPR) probes based on Fe3O4/Au nanoparticles (nanoSPR biosensors) were fabricated by
Helena N Chia et al.
Biofabrication, 7(1), 015002-015002 (2014-12-18)
Direct three-dimensional printing (3DP) produces the final part composed of the powder and binder used in fabrication. An advantage of direct 3DP is control over both the microarchitecture and macroarchitecture. Prints which use porogen incorporated in the powder result in
Nikos Petzetakis et al.
ACS nano, 7(2), 1120-1128 (2013-02-09)
The spontaneous one-step synthesis of hollow nanocages and nanotubes from spherical and cylindrical micelles based on poly(acrylic acid)-b-polylactide (P(AA)-b-P(LA)) block copolymers (BCPs) has been achieved. This structural reorganization, which occurs simply upon drying of the samples, was elucidated by transmission
Water absorption, retention and the swelling characteristics of cassava starch grafted with polyacrylic acid
Witono JR, et al.
Carbohydrate Polymers, 103(1), 325-332 (2014)
Lu Li et al.
Nanoscale, 5(6), 2249-2253 (2013-02-12)
Multifunctional fluorescent-magnetic pH-responsive eccentric-(concentric-Fe3O4@SiO2)@polyacrylic acid core-double shell nanocomposites (NCs) have been prepared for simultaneous cell imaging and pH-responsive drug delivery. To confirm the universality of the synthetic concept, the synthetic strategy was also extended to fabricate monodisperse eccentric-(concentric-NaYF4:Yb/Er/Gd@SiO2)@polyacrylic acid core-double
Marguerite J Kutyła et al.
International journal of pharmaceutics, 444(1-2), 175-184 (2013-01-19)
The aim of this work was to develop mucoadhesive hydrogels with variable drug delivery properties by crosslinking poly(acrylic acid) (PAA) with cyclodextrins (CDs). CD-PAA polymers with high CD content and good inter-batch reproducibility were synthesized by activating PAA with SOCl2
Alberto Escudero et al.
Langmuir : the ACS journal of surfaces and colloids, 29(6), 1985-1994 (2013-01-16)
Europium-doped calcium hydroxyapatite and fluoroapatite nanophosphors functionalized with poly(acrylic acid) (PAA) have been synthesized through a one-pot microwave-assisted hydrothermal method from aqueous basic solutions containing calcium nitrate, sodium phosphate monobasic, and PAA, as well as sodium fluoride in the case
Yiding Ma et al.
Langmuir : the ACS journal of surfaces and colloids, 29(9), 2946-2954 (2013-01-29)
In principle, incorporation of comb-like block copolymers in multilayer polyelectrolyte films can both increase film thickness relative to coatings containing linear polymers and provide more swollen films for increased sorption of proteins. In the absence of added salt, alternating adsorption
Chan-Hee Jung et al.
ACS applied materials & interfaces, 5(6), 2155-2160 (2013-03-05)
In this study, a facile and effective method for the surface functionalization of inert fluoropolymer substrates using surface grafting was demonstrated for the preparation of a new platform for fluorescence-based bioassays. The surface of perfluorinated poly(ethylene-co-propylene) (FEP) films was functionalized
Lei Liu et al.
ACS nano, 7(2), 1368-1378 (2013-01-04)
Hierarchical FeOOH nanostructure array films constructed by different nanosized building blocks can be synthesized at the air-water interface via a bio-inspired gas-liquid diffusion method. In this approach, poly(acrylic acid) (PAA) as a crystal growth modifier plays a crucial role in
Sachin R Shirsath et al.
Ultrasonics sonochemistry, 20(3), 914-923 (2012-12-26)
The present work deals with the removal of Brilliant Green dye from wastewater using a poly(acrylic acid) hydrogel composite (PAA-K hydrogel) prepared by incorporation of kaoline clay. The composite has been synthesized using ultrasound assisted polymerization process as well as
Alexandre Magasinski et al.
ACS applied materials & interfaces, 2(11), 3004-3010 (2010-11-09)
Si-based Li-ion battery anodes offer specific capacity an order of magnitude beyond that of conventional graphite. However, the formation of stable Si anodes is a challenge because of significant volume changes occurring during their electrochemical alloying and dealloying with Li.
Highly tunable superparamagnetic colloidal photonic crystals
Ge J, et al.
Angewandte Chemie (International Edition in English), 46(39), 7428-7431 (2007)
Daniel L Miller et al.
The Annals of thoracic surgery, 95(3), 1050-1056 (2013-01-22)
Skeletal chest wall reconstruction can be a challenge, depending on the indication, location, and health of the patient; various materials are available. Recently, biomaterials that are remodelable (bovine pericardium patch; Veritas, Synovis Life Technologies Inc, St Paul, MN) or absorbable
Ghassan Zuhair Abdullah et al.
Pakistan journal of pharmaceutical sciences, 26(1), 75-83 (2012-12-25)
Micro-emulsions and sometimes nano-emulsions are well known candidates to deliver drugs locally. However, the poor rheological properties are marginally affecting their acceptance pharmaceutically. This work aimed to modify the poor flow properties of a nano-scaled emulsion comprising palm olein esters
Michael Dietzsch et al.
Langmuir : the ACS journal of surfaces and colloids, 29(9), 3080-3088 (2013-02-08)
Scale formation, the deposition of certain minerals such as CaCO3, MgCO3, and CaSO4·2H2O in industrial facilities and household devices, leads to reduced efficiency or severe damage. Therefore, incrustation is a major problem in everyday life. In recent years, double hydrophilic
Serhat Elcicek et al.
Experimental parasitology, 133(3), 237-242 (2012-12-15)
Polyacrylic acid (PAA) is one of the anionic synthetic polyelectrolytes and is used in various immunological and pharmaceutical applications. PAA has been used as adjuvant in veterinary vaccines, in particular. However, to our knowledge, there are no studies that document
Hailong Peng et al.
International journal of pharmaceutics, 446(1-2), 153-159 (2013-02-12)
A novel pH-responsive nano-carrier MSNs-PAA, possessing mesoporous silica nanoparticles (MSNs) cores and poly(acrylic acid) (PAA) shell-layers, was developed for controlled release of salidroside. The vinyl double bonds modified MSNs were synthesized by using cetyltrimethylammonium bromide (CTAB) as templates, tetraethyl orthosilicate
Julia Schneider et al.
Langmuir : the ACS journal of surfaces and colloids, 29(12), 4092-4095 (2013-02-27)
When polymeric nanoparticles (NPs) are formed by nanoprecipitation, which is a nucleation-growth process, the control over size requires changing the polymer concentration or solvent composition. Here, we demonstrate that the NP size can be controlled independent of polymer variables by
Natasha H Munro et al.
Chemical communications (Cambridge, England), 49(33), 3407-3409 (2013-03-20)
Continuous self-assembled growth of both the organic and inorganic components of materials with nacre-like structure is achieved upon mineralisation of chitin and chitosan scaffolds using a combined soaking method and the inclusion of poly(acrylic acid) and chitosan oligomers as additives.
Swelling behavior of acrylic acid hydrogels prepared by gamma-radiation crosslinking of polyacrylic acid in aqueous solution
Jabbari E and Nozari S
European Polymer Journal, 36(12), 2685-2692 (2000)
Fast adsorption of methylene blue on polyacrylic acid-bound iron oxide magnetic nanoparticles
Mak S and Chen D
Dyes and Pigments, 61(1), 93-98 (2004)
Marguerite J Kutyła et al.
AAPS PharmSciTech, 14(1), 301-311 (2013-01-12)
The controlled release of diflunisal and fluconazole from tablets made of novel polymers, poly(acrylic acid) (PAA) crosslinked with either β-cyclodextrin (βCD) or hydroxypropyl-βCD (HPβCD), was investigated and Carbopol 934P (Carbopol) was used as a highly crosslinked PAA for comparison. Diflunisal
Priscila Stona et al.
The journal of adhesive dentistry, 15(3), 221-227 (2013-04-06)
To examine the influence of 11.5% polyacrylic acid pretreatment on the interface and bond strength of self-adhesive resin cements (Maxcem Elite, RelyX Unicem, SeT) to dentin. Fifty-six third molars were randomly divided into seven groups: RelyX ARC as control (ARC)
Kang Zhong et al.
Carbohydrate polymers, 92(2), 1367-1376 (2013-02-13)
Phosphate rock (PHR), a traditional fertilizer, is abundant, but is hard to be utilized by plants. To improve the utilization of PHR, and to integrate water-retaining and controlled-release fertilizers, an agricultural superabsorbent polymer based on sulfonated corn starch/poly (acrylic acid)
Imran Khimji et al.
Chemical communications (Cambridge, England), 49(13), 1306-1308 (2013-01-11)
The melting temperature of duplex DNA is much higher in polyanions than in non-ionic polymers with similar ionic strength, suggesting an additional electrostatic contribution on top of the excluded volume effect.
B Torger et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 104, 546-553 (2013-01-29)
In-situ ATR-FTIR spectroscopy and line shape analysis of the diagnostic spectral region was used to quantify the bound amount and release of the antibiotic streptomycin (STRP) at polyelectrolyte (PEL) multilayers (PEM) of poly(ethyleneimine) (PEI) and poly(acrylic acid) (PAA) or PEI
Laurence Glennon-Alty et al.
Acta biomaterialia, 9(4), 6041-6051 (2012-12-15)
Mesenchymal stem cells (MSCs) can generate chondrocytes in vitro, but typically need to be cultured as aggregates in the presence of transforming growth factor beta (TGF-β), which makes scale-up difficult. Here we investigated if polyacrylate substrates modelled on the functional
Chunjiao Zhou et al.
Journal of nanoscience and nanotechnology, 13(7), 4627-4633 (2013-08-02)
Poly(acrylic acid) (PAA) coated-Fe3O4 superparamagnetic nano-composites were synthesized through a solvothermal technique by using cheap and environmental friendly iron salts and PAA. Each nano-composite was composed of many small primary nanocrystals. The as-synthesized products were characterized by X-ray diffraction (XRD)
Micropatterning of polymer thin films with pH-sensitive and cross-linkable hydrogen-bonded polyelectrolyte multilayers
Yang SY and Rubner MF
Journal of the American Chemical Society, 124(10), 2100-2101 (2002)
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