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显示 1-27 共 27 条结果 关于 "475149" 范围 论文
Jingnan Zhang et al.
Acta biomaterialia, 119, 234-246 (2020-10-26)
The analysis of T cell responses to mechanical properties of antigen presenting cells (APC) is experimentally challenging at T cell-APC interfaces. Soft hydrogels with adjustable mechanical properties and biofunctionalization are useful reductionist models to address this problem. Here, we report
Hojin Kim et al.
Journal of colloid and interface science, 566, 419-426 (2020-02-06)
A layer-by-layer method is used to synthesize paramagnetic metal/polymer multi-layered colloidal particles. By taking advantage of recent advances in the synthesis of polymer colloids with various shapes and layer-by-layer assembly, superparamagnetic dumbbell colloids are fabricated with different aspect ratios and
N M Mohsen et al.
Journal of oral rehabilitation, 22(3), 213-220 (1995-03-01)
The effect of the method of silanation of zirconia-silica by 3-methacryloxypropyltrimethoxysilane (MAPM) and 3-acryloxypropyltrimethoxysilane (APM) on the diametral tensile and transverse strength of composites made from these silanated fillers and a urethane dimethacrylate was determined after 0-108 h of boiling
Stephen Boakye-Ansah et al.
Soft matter, 15(16), 3379-3388 (2019-04-02)
Bicontinuous interfacially jammed emulsion gels (bijels) formed via solvent transfer induced phase separation (STrIPS) are new soft materials with potential applications in separations, healthcare, or catalysis. To facilitate their applications, means to fabricate STrIPS bijels with nanoparticles of various surface
Hoang-Thanh Nguyen et al.
Lab on a chip, 20(13), 2383-2393 (2020-06-09)
We report the fabrication of permeable membranes for microfluidic dialysis applications in poly(dimethylsiloxane) (PDMS) channels. A maskless UV projection device was used to photo-pattern long hydrogel membranes (mm-cm) with a spatial resolution of a few microns in PDMS chips integrating
Electrophoretic concentration of proteins at laser-patterned nanoporous membranes in microchips
Song S, et al.
Analytical Chemistry, 76(15), 4589-4592 (2004)
Alexandre Turani-I-Belloto et al.
Polymers, 12(5) (2020-05-01)
Within the very large range of porous polymers and a related immense scope of applications, we investigate here a specific route to design soft porous polymers with controlled porosity: we use aqueous-based formulations of oligomers with mineral particles which are
Jérémy Decock et al.
Lab on a chip, 18(7), 1075-1083 (2018-03-01)
We report the fabrication of highly permeable membranes in poly(ethylene glycol) diacrylate (PEGDA) channels, for investigating ultra- or micro-filtration, at the microfluidic scale. More precisely, we used a maskless UV projection setup to photo-pattern PEG-based hydrogel membranes on a large
Jukka P Matinlinna et al.
Dental materials : official publication of the Academy of Dental Materials, 27(3), 273-280 (2010-12-03)
To evaluate the effect of five experimental silane monomer primers in vitro on the shear bond strength of a phosphate ester resin-composite cement bonded to a silicatized zirconia framework. A total of 144 planar zirconia (Procera AllZircon) specimens were subjected
M Behr et al.
Journal of the mechanical behavior of biomedical materials, 2(1), 61-64 (2009-07-25)
This study investigated the influence of different silica fillers on the flexural strength of experimentally filled resins. Hydrophilic (non-silanated) silica, hydrophobic silica modified by organofunctional silane, and silica modified by organofunctional silane that additionally contains polymerizable carbon double bonds were
N M Mohsen et al.
Journal of oral rehabilitation, 27(3), 250-268 (2000-04-28)
The polymer-filler interaction of a dental composite was examined by dielectric measurements to determine how a non-compatible inorganic phase modifies the molecular behaviour of the polymer chains and how modification of this phase by silanation can affect these molecular behaviours.
Xiaoyu Sun et al.
Scientific reports, 8(1), 564-564 (2018-01-14)
The ability of cells to sense and respond to nanotopography is being implicated as a key element in many physiological processes such as cell differentiation, immune response, and wound healing, as well as in pathologies such as cancer metastasis. To
Daniel Devine et al.
Advanced biosystems, 4(11), e2000012-e2000012 (2020-10-15)
The extracellular matrix varies considerably in mechanical properties at the microscale. It remains unclear how cells respond to these properties, in part, due to lack of tools to create precisely defined microenvironments in a discrete manner. Here, freeform stereolithography is
Thomas J Wallin et al.
Nature communications, 11(1), 4000-4000 (2020-08-12)
Additive manufacturing permits innovative soft device architectures with micron resolution. The processing requirements, however, restrict the available materials, and joining chemically dissimilar components remains a challenge. Here we report silicone double networks (SilDNs) that participate in orthogonal crosslinking mechanisms-photocurable thiol-ene
Hyung Jong Bae et al.
Advanced materials (Deerfield Beach, Fla.), 27(12), 2083-2089 (2015-02-07)
An unclonable, fingerprint-mimicking anti-counterfeiting strategy is presented that encrypts polymeric particles with randomly generated silica film wrinkles. The generated wrinkle codes are as highly unique as human fingerprints and are technically irreproducible. Superior to previous physical unclonable functions, codes are
Jeong Hyun Seo et al.
Biomaterials, 32(23), 5478-5488 (2011-05-10)
It is often desirable to sequester cells in specific locations on the surface and to integrate sensing elements next to the cells. In the present study, surfaces were fabricated so as to position cytokine sensing domains inside non-fouling poly(ethylene glycol)
Atom-transfer radical polymerization of a reactive monomer: 3-(trimethoxysilyl) propyl methacrylate.
Du J and Chen Y
Macromolecules, 37(17), 6322-6328 (2004)
Andreas Müller et al.
Integrative biology : quantitative biosciences from nano to macro, 11(5), 175-185 (2019-07-13)
Multiple cellular processes are affected by spatial constraints from the extracellular matrix and neighboring cells. In vitro experiments using defined micro-patterning allow for in-depth analysis and a better understanding of how these constraints impact cellular behavior and functioning. Herein we
Jun Yong Oh et al.
Nature communications, 9(1), 4548-4548 (2018-11-02)
Targeted drug delivery using nanoparticles can minimize the side effects of conventional pharmaceutical agents and enhance their efficacy. However, translating nanoparticle-based agents into clinical applications still remains a challenge due to the difficulty in regulating interactions on the interfaces between
Efrat Shukrun et al.
Advanced science (Weinheim, Baden-Wurttemberg, Germany), 5(8), 1800061-1800061 (2018-08-22)
Hybrid organic-inorganic sol gel inks that can undergo both condensation and radical polymerization are developed, enabling fabrication of complex objects by additive manufacturing technology, yielding 3D objects with superior properties. The 3D objects have very high silica content and are
Jukka P Matinlinna et al.
Dental materials : official publication of the Academy of Dental Materials, 23(9), 1173-1180 (2006-11-28)
The adhesive performance of five silane coupling agents in adhering resin composite cement (3M ESPE) to silica-coated titanium was evaluated. Titanium was tribochemically silica-coated by using the Rocatec system. Two volume percent solutions of 3-acryloyloxypropyltrimethoxysilane (Toray Dow Corning Silicone), N-[3-(trimethoxysilyl)propylethylenediamine]
Jukka Matinlinna et al.
Acta odontologica Scandinavica, 66(4), 250-255 (2008-07-16)
Four experimental blends of an organo-functional silane monomer with a non-functional cross-linking silane monomer (a novel silane system) were evaluated as adhesion promoters in an experiment in which a resin-composite cement was bonded to silica-coated titanium. 3-Acryloyloxypropyltrimethoxysilane (as constant 1.0
Yeongjae Choi et al.
Advanced materials (Deerfield Beach, Fla.), 32(37), e2001249-e2001249 (2020-07-30)
DNA-based data storage has attracted attention because of its higher physical density of the data and longer retention time than those of conventional digital data storage. However, previous DNA-based data storage lacked index features and the data quality of storage
Reg Rehal et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 128, 43-53 (2018-11-25)
The mechanisms of membrane defence by lysylphosphatidylglycerol (LPG), were investigated using synthetic biomimetic mono- and bilayer models of methicillin resistant S. aureus ST239 TW, based on its lipid composition in both pH 7.4 (28% LPG) and pH 5.5 (51% LPG) cultures. These
Amanda Eklund et al.
Advanced functional materials, 30(28), 2000754-2000754 (2020-07-21)
Beside pigment absorption and reflection by periodic photonic structures, natural species often use light scattering to achieve whiteness. Synthetic hydrogels offer opportunities in stimuli-responsive materials and devices; however, they are not conventionally considered as ideal materials to achieve high whiteness
Qiang Wei et al.
Advanced science (Weinheim, Baden-Wurttemberg, Germany), 7(15), 1902931-1902931 (2020-08-11)
Growth factors and mechanical cues synergistically affect cellular functions, triggering a variety of signaling pathways. The molecular levels of such cooperative interactions are not fully understood. Due to its role in osteogenesis, the growth factor bone morphogenetic protein 2 (BMP-2)
Daichi Amano et al.
Dental materials journal, 29(1), 97-103 (2010-04-10)
The purpose of this study was to determine whether the brushing durability of a titanium dioxide coating on a polymethyl methacrylate (PMMA) substrate was improved by prior treatment with an acryloxypropyl trimethoxysilane-based agent. Titanium dioxide coatings were obtained by spray-coating
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