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376213

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Dafna Heiman-Burstein et al.
Polymers, 13(4) (2021-03-07)
Hybrid sol-gel superhydrophobic coatings based on alkyl silane-modified nanosilica were synthesized and studied. The hybrid coatings were synthesized using the classic Stöber process for producing hydrophilic silica nanoparticles (NPs) modified by the in-situ addition of long-chain alkyl silanes co-precursors in
Akihito Korenaga et al.
Talanta, 162, 474-478 (2016-11-14)
The ability of single or several cells introduction onto substrate simply would be a useful tool for matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS). In this study, we aimed to establish a sample introduction method for pattering cells to the substrate
Michael Maas et al.
Journal of colloid and interface science, 501, 256-266 (2017-05-02)
We demonstrate the electrostatic assembly of oppositely charged silica particles into an ensemble of well-defined core-satellite supraparticles, which are a type of patchy particle. To achieve controlled heteroaggregation, we used oppositely charged silica particles with different sizes ranging from 5nm
Marlous Kamp et al.
Langmuir : the ACS journal of surfaces and colloids, 36(9), 2403-2418 (2020-02-26)
We report methods to synthesize sub-micron- and micron-sized patchy silica particles with fluorescently labeled hemispherical titania protrusions, as well as routes to efficiently characterize these particles and self-assemble these particles into non-close-packed structures. The synthesis methods expand upon earlier work
Deepa Sriramulu et al.
Scientific reports, 6, 35993-35993 (2016-11-09)
Multifunctional coatings offer many advantages towards protecting various surfaces. Here we apply aggregation induced segregation of perylene diimide (PDI) to control the surface morphology and properties of silica nanoparticles. Differentially functionalized PDI was incorporated on the surface of silica nanoparticles
Sang Seok Lee et al.
Science advances, 4(6), eaat8276-eaat8276 (2018-06-27)
Cholesteric liquid crystals (CLCs) have a photonic bandgap due to the periodic change of refractive index along their helical axes. The CLCs containing optical gain have served as band-edge lasing resonators. In particular, CLCs in a granular format provide omnidirectional
Hang Zhang et al.
ACS applied materials & interfaces, 8(48), 33250-33255 (2016-12-10)
A Janus porous sphere with a coral-like microstructure is prepared by stepwise dealloying a metallic alloy sphere and sequential modification (for example, using silanes and polymers). Nanoscale coral-like microstructure of the internal skeleton gives remarkable capillary force, thus accelerating the
Seyed Ali Nabavi et al.
Journal of colloid and interface science, 505, 315-324 (2017-06-12)
Predicting formation mode of double emulsion drops in microfluidic emulsification is crucial for controlling the drop size and morphology. A three-phase Volume of Fluid-Continuum Surface Force (VOF-CSF) model was developed, validated with analytical solutions, and used to investigate drop formation
Hongyun Niu et al.
Analytical chemistry, 81(24), 9913-9920 (2009-11-17)
In this study, octadecyl (C(18)) and aminopropyl group modified titanate nanotubes (C(18)/NH(2)-TNs) were prepared successfully with a silylation method by introducing octadecyltrimethoxysilane (ODS) and aminopropyltrimethoxysilane (APS) simultaneously to the surface of titanate nanotubes (TNs). The properties of the products were
Z T Jiang et al.
Se pu = Chinese journal of chromatography, 19(4), 297-300 (2003-01-28)
Porous titania microspheres (surface area: 36.7 m2/g, average pore volume: 0.30 mL/g, average pore diameter: 32.2 nm, average diameter: 3.5 microns) with a very narrow particle size distribution, were synthesized by refluxing polymerized-induced colloid aggregation (PICA), with octadecyltrimethoxysilane in toluene
Mohamed O Amin et al.
Talanta, 200, 458-467 (2019-05-01)
Due to their 3D geometry, surface chemistry, high porosity and large surface area, SiO2-based monoliths were explored as novel surface-assisted laser desorption/ionization-mass spectrometry (SALDI-MS) substrates for the sensitive and selective detection of small molecules of varying polarities. For this purpose
Tomoko Yamazaki et al.
Journal of nanoscience and nanotechnology, 5(11), 1792-1800 (2006-01-26)
Alkyl groups of n-octadecyltrimethoxysilane (ODS) in a self-assembled monolayer on a silicon substrate were oxidized to carboxyl groups by partial irradiation of vacuum ultra-violet light under the photomask, producing a COOH/ODS line pattern. After active esterification of carboxyl groups, two
Tu Hong et al.
ACS nano, 9(5), 5357-5363 (2015-04-15)
We investigate the wavelength- and polarization-dependence of photocurrent signals generated at few-layer MoS2-metal junctions through spatially resolved photocurrent measurements. When incident photon energy is above the direct bandgap of few-layer MoS2, the maximum photocurrent response occurs for the light polarization
Guo-Jun Zhang et al.
Journal of nanoscience and nanotechnology, 7(2), 410-417 (2007-04-25)
We report on a flexible method of producing antibody (IgG) nanopatterns by combining electron beam (EB) lithography and a perfluorodecyltriethoxysilane (FDTES) self-assembled monolayer (SAM). Using EB lithography of the FDTES SAM, we easily fabricated IgG patterns with feature sizes on
Sun-Min Yu et al.
Cells, 9(6) (2020-06-13)
The shape of epithelial tissue supports physiological functions of organs such as intestinal villi and corneal epithelium. Despite the mounting evidence showing the importance of geometry in tissue microenvironments, the current understanding on how it affects biophysical behaviors of cells
Hongjun Xia et al.
Mikrochimica acta, 187(7), 382-382 (2020-06-13)
Fully porous silica microspheres (FPSM) with high specific surface area and hierarchical pore as matrix for HPLC were prepared. First, the porous silica nanospheres with controllable particle size and pore diameter were successfully synthesized using a dual-templating approach, the pore
Organo-silane coatings for AZ31 magnesium alloy corrosion protection.
Zucchi F, et al.
Materials Chemistry and Physics, 110(2-3), 263-268 (2008)
Guo-Jun Zhang et al.
Chemical communications (Cambridge, England), (7)(7), 786-787 (2004-03-27)
Nanoscale patterns of modified oligonucleotides are produced on octadecyltrimethoxysilane self-assembled monolayers at a silicon surface by electron beam lithography. DNA structures with feature sizes of the order of 250 nm were detected by epi-fluorescence microscopy.
Song Chai et al.
International journal of nanomedicine, 13, 7607-7621 (2018-12-05)
Integration of several types of therapeutic agents into one nanoplatform to enhance treatment efficacy is being more widely used for cancer therapy. Herein, a biocompatible polydopamine (PDA)-coated MoSe2-wrapped doxorubicin (DOX)-loaded hollow mesoporous silica nanoparticles (HMSNs) nanoplatform (PM@HMSNs-DOX) was fabricated for
Cristian Moya et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 17(23), 3891-3899 (2016-09-20)
The potential advantages of applying encapsulated ionic liquid (ENIL) to CO2 capture by chemical absorption with 1-butyl-3-methylimidazolium acetate [bmim][acetate] are evaluated. The [bmim][acetate]-ENIL is a particle material with solid appearance and 70 % w/w in ionic liquid (IL). The performance of
Sang Seok Lee et al.
ACS applied materials & interfaces, 9(20), 17178-17185 (2017-05-05)
The hydrate formation in subsea pipelines can cause oil and gas well blowout. To avoid disasters, various chemical inhibitors have been developed to prevent or delay the hydrate formation and growth. Nevertheless, direct injection of the inhibitors results in environmental
Yamin Yang et al.
Bioelectrochemistry (Amsterdam, Netherlands), 127, 94-103 (2019-02-17)
Biofilm-coated electrodes and outer cell membrane-mimicked electrodes were examined to verify an extracellular electron transfer mechanism using Marcus theory for a donor-acceptor electron transfer. Redox couple-bound membrane electrodes were prepared by impregnating redox coenzymes into Nafion films on carbon cloth
Victoria Samanidou et al.
Journal of separation science, 40(12), 2612-2619 (2017-05-04)
Fabric-phase sorptive extraction has already been recognized as a simple and green alternative to the conventional sorbent-based sorptive microextraction techniques, using hybrid organic-inorganic sorbent coatings chemically bonded to a flexible fabric surface. Herein, we have investigated the synergistic combination of
Tadahiro Yamashita et al.
Biomaterials, 32(10), 2459-2465 (2011-01-22)
Various micro cell culture systems have recently been developed. However, it is extremely difficult to recover cultured cells from a microchannel because the upper and lower substrates of a microchip are permanently combined. Therefore, we developed a cell culture and
Zhongbo Li et al.
Journal of chromatography. A, 1218(37), 6232-6239 (2011-07-29)
In this study, core-shell magnetic mesoporous microspheres with C18-functionalized interior pore-walls were synthesized through coating Fe(3)O(4) microspheres with a mesoporous inorganic-organic hybrid layer with a n-octadecyltriethoxysilane (C18TES) and tetraethyl orthosilicate (TEOS) as the silica source and cetyltrimethylammonia bromide (CTAB) as
Junfeng Fang et al.
Colloids and surfaces. B, Biointerfaces, 179, 250-259 (2019-04-13)
Currently, some approaches in cancer therapy have gradually shifted from a focus on monotherapy to combined therapy, which results in considerable superadditive therapeutic effects. Herein, bovine serum albumin integrated manganese dioxide nanoparticles (BSA-MnO2) was synthesized via a biomineralization strategy. Then
Jessi E S van der Hoeven et al.
Nanoscale, 11(12), 5304-5316 (2019-03-08)
Insight in the structure of nanoparticle assemblies up to a single particle level is key to understand the collective properties of these assemblies, which critically depend on the individual particle positions and orientations. However, the characterization of large, micron sized
Jörg G Werner et al.
ACS nano, 15(2), 3490-3499 (2021-02-09)
Polymeric microcapsules with shells containing homogeneous pores with uniform diameter on the nanometer scale are reported. The mesoporous microcapsules are obtained from confined self-assembly of amphiphilic block copolymers with a selective porogen in the shell of water-in-oil-in-water double emulsion drops.
Kai-Jun Che et al.
Lab on a chip, 19(18), 3116-3122 (2019-08-21)
The integration of one more gain media in droplet microlasers with morphology-dependent modes, which can be employed in optofluidic systems as multi-wavelength lasing sources, is highly attractive and demands new cavity design and fabrication approaches. Here, cholesteric liquid crystal (CLC)
Eve Loiseau et al.
Langmuir : the ACS journal of surfaces and colloids, 34(1), 205-212 (2017-12-19)
Compartmentalized microcapsules are useful for the release of multiple cargos in medicine, agriculture, and advanced responsive materials. Although several encapsulation strategies that involve more than one cargo have been proposed, dual- or multicompartment capsules with high cargo loadings and sufficient
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