Academic literature on the topic 'Silicon Nanochannel Membrane'

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Journal articles on the topic "Silicon Nanochannel Membrane"

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Silvestri, Antonia, Nicola Di Trani, Giancarlo Canavese, et al. "Silicon Carbide-Gated Nanofluidic Membrane for Active Control of Electrokinetic Ionic Transport." Membranes 11, no. 7 (2021): 535. http://dx.doi.org/10.3390/membranes11070535.

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Manipulation of ions and molecules by external control at the nanoscale is highly relevant to biomedical applications. We report a biocompatible electrode-embedded nanofluidic channel membrane designed for electrofluidic applications such as ionic field-effect transistors for implantable drug-delivery systems. Our nanofluidic membrane includes a polysilicon electrode electrically isolated by amorphous silicon carbide (a-SiC). The nanochannel gating performance was experimentally investigated based on the current-voltage (I-V) characteristics, leakage current, and power consumption in potassium
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Pricl, Sabrina, Marco Ferrone, Paolo Cosoli, et al. "Release of Proteins from Nanochannel Delivery Systems: A Coupled Many-Scale Simulation - Experimental Investigation." Advances in Science and Technology 53 (October 2006): 79–84. http://dx.doi.org/10.4028/www.scientific.net/ast.53.79.

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Transport and surface interactions of proteins in nanopore membranes play a key role in many processes of biomedical importance. Although the use of porous materials provides a large surface-to-volume ratio, the efficiency of the operations is often determined by transport behavior, and this is complicated by the fact that transport paths (i.e., the pores) are frequently of molecular dimensions. Under these conditions, wall effects become significant, with the mobility of molecules being affected by hydrodynamic interactions between protein molecules and the wall. Modeling of transport in pore
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Wang, Kai Ge, Peng Ye Wang, Shuang Lin Yue, Ai Zi Jin, Chang Zhi Gu, and Han Ben Niu. "Fabricating Nanofluidic Channels and Applying them for DNA Molecules Study." Solid State Phenomena 121-123 (March 2007): 777–80. http://dx.doi.org/10.4028/www.scientific.net/ssp.121-123.777.

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In the emerging field of nanobiotechnology, further downsizing the fluidic channels and pores to the nanometer scale are attractive for both fundamental studies and technical applications. The insulation Silicon nitride membrane nanofluidic channel arrays which have width ~50nm and depth ~80nm and length ≥20μm were created by focused-ion-beam instrument. The λ-DNA molecules were put inside nanochannels and transferred, a fluorescence microscopy was used to observe the images. Only by capillary force, λ-DNA molecules moved inside the nanochannels which dealt with activating reagent Brij aqueous
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Di Trani, Nicola, Antonia Silvestri, Yu Wang, Danilo Demarchi, Xuewu Liu, and Alessandro Grattoni. "Silicon Nanofluidic Membrane for Electrostatic Control of Drugs and Analytes Elution." Pharmaceutics 12, no. 7 (2020): 679. http://dx.doi.org/10.3390/pharmaceutics12070679.

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Individualized long-term management of chronic pathologies remains an elusive goal despite recent progress in drug formulation and implantable devices. The lack of advanced systems for therapeutic administration that can be controlled and tailored based on patient needs precludes optimal management of pathologies, such as diabetes, hypertension, rheumatoid arthritis. Several triggered systems for drug delivery have been demonstrated. However, they mostly rely on continuous external stimuli, which hinder their application for long-term treatments. In this work, we investigated a silicon nanoflu
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Pricl, Sabrina, Marco Ferrone, Maurizio Fermeglia, et al. "Multiscale modeling of protein transport in silicon membrane nanochannels. Part 1. Derivation of molecular parameters from computer simulations." Biomedical Microdevices 8, no. 4 (2006): 277–90. http://dx.doi.org/10.1007/s10544-006-0031-2.

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Amato, Francesco, Carlo Cosentino, Sabrina Pricl, et al. "Multiscale modeling of protein transport in silicon membrane nanochannels. Part 2. From molecular parameters to a predictive continuum diffusion model." Biomedical Microdevices 8, no. 4 (2006): 291–98. http://dx.doi.org/10.1007/s10544-006-0032-1.

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Qiang, Rongrong, ChenJie Wei, Ligang Lin, et al. "Bioinspired: A 3D vertical silicon sponge-inspired construction of organic-inorganic loose mass transfer nanochannels for enhancing properties of polyimide nanofiltration membranes." Separation and Purification Technology 259 (March 2021): 118038. http://dx.doi.org/10.1016/j.seppur.2020.118038.

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Kim, Sungsoon, Minwoo Lee, Sangjin Choi, et al. "Cation-selective layered silicon oxide membranes for power generation." Journal of Physics: Energy, December 2, 2022. http://dx.doi.org/10.1088/2515-7655/aca829.

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Abstract Inorganic two-dimensional membranes offer a new approach to modulating mass transport at the nanoscale. These membranes, which can harness the van der Waals gap as a nanochannel and address persistent challenges in organic membranes, are limited to a few material libraries such as graphene, graphene oxide, molybdenum disulfide, and boron nitride. Here we report for the first time the development of cation-selective layered silicon oxide membranes, in which the nanochennels, specifically the van der Waals gap, can allow cation diffusion flux to generate an electromotive force for a lon
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Mo, Sherry, Dana O. Byrne, and Frances I. Allen. "Focused helium ion beam nanofabrication by near-surface swelling." Journal of Vacuum Science & Technology B 43, no. 2 (2025). https://doi.org/10.1116/6.0004100.

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The focused helium ion beam microscope is a versatile imaging and nanofabrication instrument enabling direct-write lithography with sub-10 nm resolution. Subsurface damage and swelling of substrates due to helium ion implantation is generally unwanted. However, these effects can also be leveraged for specific nanofabrication tasks. To explore this, we investigate focused helium ion beam induced swelling of bulk crystalline silicon and free-standing amorphous silicon nitride membranes using various irradiation strategies. We show that the creation of near-surface voids due to helium ion implant
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Mariazzi, S., B. Rienäcker, R. Magrin Maffei, et al. "Forward emission of positronium from nanochanneled silicon membranes." Physical Review B 105, no. 11 (2022). http://dx.doi.org/10.1103/physrevb.105.115422.

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Dissertations / Theses on the topic "Silicon Nanochannel Membrane"

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SILVESTRI, ANTONIA. "Implantable Nanofluidic Membrane and Smart Electronic System for Drug Release Control." Doctoral thesis, Politecnico di Torino, 2021. http://hdl.handle.net/11583/2918000.

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Conference papers on the topic "Silicon Nanochannel Membrane"

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Grattoni, Alessandro, Xuewu Liu, Zongxing Wang, Jaskaran Gill, Arturas Ziemys, and Mauro Ferrari. "Electrokinetic Transport of Molecules Through Nanochanneled Membranes." In ASME 2010 First Global Congress on NanoEngineering for Medicine and Biology. ASMEDC, 2010. http://dx.doi.org/10.1115/nemb2010-13236.

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Our research group was the first one to microfabricate and demonstrate nano-channels in silicon membranes (1, 2). We employed nano-channeled chips to provide immuno-isolation for cell transplantation towards the treatment of diabetes (3), for biomolecular separation (4), and for the controlled passive and active release of drug molecules from implanted capsules (5). We showed that the constraints placed upon molecular agitation in nano-channels affected their concentration-driven transport kinetics (6, 7). A zero-order passive release of biological molecules was achieved, by the rational tailo
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Rosengarten, Gary. "Can We Learn From Nature to Design Membranes? The Intricate Pore Structure of the Diatom." In ASME 2009 7th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2009. http://dx.doi.org/10.1115/icnmm2009-82148.

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Membranes are ubiquitous functional elements used in separation processes. An ideal membrane will stop certain species penetrating it while having excellent transport properties for others. Membranes are used in synthetic systems such as fuel cells and desalination plants, but are also formed naturally in biological systems. For example all cells use a membrane to contain the cellular contents, while allowing transport of nutrients though the cell wall. I will present our recent work on examining diatoms, which are unicellular algae that grow in water. They have a self assembled silica membran
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Gill, Jaskaran Singh, Alessandro Grattoni, Arturas Ziemys, and Mauro Ferrari. "Characterzation and Quality Control for Micro- and Nanochanneled Silicon Membranes." In ASME 2010 First Global Congress on NanoEngineering for Medicine and Biology. ASMEDC, 2010. http://dx.doi.org/10.1115/nemb2010-13297.

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The rapid advancement of silicon fabrication techniques has enabled the production of large numbers of precisely designed devices. Such devices are appealing to a wide range of industries and have already seen use in energy conversion [1] and medical applications [2]. Our group’s interest is in the latter; specifically the use of micro- and nanofabricated channels in silicon for the controlled release of drugs.
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Kim, Dong-Kwon, Chuanhua Duan, Yu-Feng Chen, and Arun Majumdar. "Power Generation From Concentration Gradient by Reverse Electrodialysis in Ion Selective Nanochannel." In ASME 2009 7th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2009. http://dx.doi.org/10.1115/icnmm2009-82208.

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In this article, ion selective nanochannels are studied to generate electric power from concentration gradient by reverse electrodialysis. When nanochannels bring into contact with aqueous solution, the surface of nanochannels acquires charges from ionization, ion adsorption, and ion dissolution. These surface charges draw counter-ions toward the surface and repel co-ions away. Therefore, when an electrolyte concentration gradient is applied to nanochannels, counter-ions are transported through nanochannels much more easily than co-ions, which results in a net charge migration of ions. Gibbs f
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Burgin, Tucker, Dean Johnson, Henry Chung, Alfred Clark, and James McGrath. "Ultrathin Silicon Membranes for Improving Extracorporeal Blood Therapies." In ASME 2016 14th International Conference on Nanochannels, Microchannels, and Minichannels collocated with the ASME 2016 Heat Transfer Summer Conference and the ASME 2016 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/icnmm2016-8052.

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Extracorporeal blood therapies such as hemodialysis and extracorporeal membrane oxygenation supplement or replace organ function by the exchange of molecules between blood and another fluid across a semi-permeable membrane. Traditionally, these membranes are made of polymers with large surface areas and thicknesses on the scale of microns. Therapeutic gas exchange or toxin clearance in these devices occurs predominantly by diffusion, a process that is described by an inverse square law relating a distance to the average time a diffusing particle requires to travel that distance. As such, small
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David, Milnes P., Amy Marconnet, and Kenneth E. Goodson. "Hydrodynamic and Thermal Performance of a Vapor-Venting Microchannel Copper Heat Exchanger." In ASME 2008 6th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2008. http://dx.doi.org/10.1115/icnmm2008-62269.

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Two-phase microfluidic cooling has the potential to achieve low thermal resistances with relatively small pumping power requirements compared to single-phase heat exchanger technology. Two-phase cooling systems face practical challenges however, due to the instabilities, large pressure drop, and dry-out potential associated with the vapor phase. Our past work demonstrated that a novel vapor-venting membrane attached to a silicon microchannel heat exchanger can reduce the pressure drop for two-phase convection. This work develops two different types of vapor-venting copper heat exchangers with
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Hagino, Harutoshi, and Koji Miyazaki. "Thermal Transport Property of Silicon Membranes With Asymmetric Porous Structure." In ASME 2015 13th International Conference on Nanochannels, Microchannels, and Minichannels collocated with the ASME 2015 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/icnmm2015-48281.

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The size effect on thermal conduction due to phonon boundary scattering in films was studied as controlling heat conduction. Thermal rectifier was proposed as a new heat control concept by a ballistic rectifier relies on asymmetric scattering of phonons in asymmetric linear structure. We focus on the thermal rectification effect in membrane with asymmetric pores. We discussed on the thermal rectification effect from the calculation and thermal conductivity measurement of asymmetric structured membrane. Thermal conduction was calculated by using radiation calculation of ANSYS Fluent based on Bo
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Smith, Karl J. P., Joshua Winans, and James McGrath. "Ultrathin Membrane Fouling Mechanism Transitions in Dead-End Filtration of Protein." In ASME 2016 14th International Conference on Nanochannels, Microchannels, and Minichannels collocated with the ASME 2016 Heat Transfer Summer Conference and the ASME 2016 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/icnmm2016-7989.

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Ultrathin membranes will likely see great utility in future membrane-based separations, but key aspects of the performance of these membranes, especially when they are used to filter protein, remain poorly understood. In this work we perform protein filtrations using new nanoporous silicon nitride (NPN) membranes. Several concentrations of protein are filtered using dead end filtration in a benchtop centrifuge, and we track fouling based on the amount of filtrate passed over time. A modification of the classic fouling model that includes the effects of using a centrifuge and allow for the visu
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Titovskaya, Yana V., Natalya L. Shwartz, Sergey I. Romanov, and Zoya Sh Yanovitskaja. "Monte Carlo simulation of MBE and oxidation of porous silicon surface for production nanochannel membranes." In 2009 International Conference and Seminar on Micro/Nanotechnologies and Electron Devices (EDM). IEEE, 2009. http://dx.doi.org/10.1109/edm.2009.5173930.

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Kolb, Gunther, Peter Detemple, Daniel Latta, Stefan Schmitt, Yong Men, and Ralf Zapf. "A Novel and Miniaturised Thin Film Pellistor for Carbon Monoxide Detection in Hot Gas Flows." In ASME 4th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2006. http://dx.doi.org/10.1115/icnmm2006-96233.

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A thin film pellistor is under development at IMM for the selective detection of carbon monoxide in hot gas flows. The selective methanation reaction of carbon monoxide to methane is applied to generate chemical heat of reaction, which is then detected by direct measurement of thermal conductivity. The chemical reaction is performed over a nickel/calcium oxide/alumina catalyst, which is directly deposited onto a silicon nitride membrane being part of the sensor.
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