Browsing MIT Open Access Articles by Title
Now showing items 14530-14549 of 55761
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Electrospun Polyaniline Fibers as Highly Sensitive Room Temperature Chemiresistive Sensors for Ammonia and Nitrogen Dioxide Gases
(Wiley Blackwell, 2014-04)Electrospun polyaniline (PAni) fibers doped with different levels of (+)-camphor-10-sulfonic acid (HCSA) are fabricated and evaluated as chemiresistive gas sensors. The experimental results, based on both sensitivity and ... -
Electrospun Polyurethane Fibers for Absorption of Volatile Organic Compounds from Air
(American Chemical Society, 2011-10)Electrospun polyurethane fibers for removal of volatile organic compounds (VOC) from air with rapid VOC absorption and desorption have been developed. Polyurethanes based on 4,4-methylenebis(phenylisocyanate) (MDI) and ... -
Electrostatic and electrokinetic contributions to the elastic moduli of a driven membrane
(Springer-Verlag, 2009-01)We discuss the electrostatic contribution to the elastic moduli of a cell or artificial membrane placed in an electrolyte and driven by a DC electric field. The field drives ion currents across the membrane, through ... -
Electrostatic charging of jumping droplets
(Nature Publishing Group, 2013-09)With the broad interest in and development of superhydrophobic surfaces for self-cleaning, condensation heat transfer enhancement and anti-icing applications, more detailed insights on droplet interactions on these surfaces ... -
Electrostatic Conjugation of Nanoparticle Surfaces with Functional Peptide Motifs
(American Chemical Society (ACS), 2020)Copyright © 2020 American Chemical Society. We report the surface functionalization of anionic layer by layer nanoparticles (LbL NPs) with cationic tumor-penetrating peptides (TPPs) via electrostatic adsorption while ... -
Electrostatic Conjugation of Nanoparticle Surfaces with Functional Peptide Motifs
(American Chemical Society (ACS), 2020)Copyright © 2020 American Chemical Society. We report the surface functionalization of anionic layer by layer nanoparticles (LbL NPs) with cationic tumor-penetrating peptides (TPPs) via electrostatic adsorption while ... -
Electrostatic Coupling between Two Surfaces of a Topological Insulator Nanodevice
(American Physical Society, 2014-11)We report on electronic transport measurements of dual-gated nanodevices of the low-carrier density topological insulator (TI) Bi[subscript 1.5]Sb[subscript 0.5]Te[subscript 1.7]Se[subscript 1.3]. In all devices, the upper ... -
Electrostatic electron mirror in SEM for simultaneous imaging of top and bottom surfaces of a sample
(Elsevier BV, 2021)The use of electron mirrors in aberration correction and surface-sensitive microscopy techniques such as low-energy electron microscopy has been established. However, in this work, by implementing an easy to construct, ... -
Electrostatic Levitation on Atmosphere-Less Planetary Bodies with Ionic-Liquid Ion Sources
(American Institute of Aeronautics and Astronautics (AIAA), 2021-11)This paper presents an initial feasibility study on the use of ionic-liquid ion sources for electrostatic actuation on atmosphere-less planetary bodies. The natural surface charging of atmosphere-less planetary bodies has ... -
Electrostatic Levitation on Atmosphere-Less Planetary Bodies with Ionic-Liquid Ion Sources
(American Institute of Aeronautics and Astronautics (AIAA), 2021-11)This paper presents an initial feasibility study on the use of ionic-liquid ion sources for electrostatic actuation on atmosphere-less planetary bodies. The natural surface charging of atmosphere-less planetary bodies has ... -
Electrostatic Thrusters for Microgravity Propulsion in a Pressurized Environment
(Institute of Electrical and Electronics Engineers, 2010-03)Motivated by long-term human exploration missions which could benefit from robotic assistants, a prototype thruster based on an Ion-Drag Pump was developed. This thruster utilizes no consumable propellant. Its operated by ... -
Electrostatically driven fog collection using space charge injection
(American Association for the Advancement of Science (AAAS), 2018-06)Fog collection can be a sustainable solution to water scarcity in many regions around the world. Most proposed collectors are meshes that rely on inertial collision for droplet capture and are inherently limited by ... -
Electrostrictive microelectromechanical fibres and textiles
(Nature Publishing Group, 2017-11)Microelectromechanical systems (MEMS) enable many modern-day technologies, including actuators, motion sensors, drug delivery systems, projection displays, etc. Currently, MEMS fabrication techniques are primarily based ... -
Electrothermal feedback in superconducting nanowire single-photon detectors
(American Physical Society, 2009-03)We investigate the role of electrothermal feedback in the operation of superconducting nanowire single-photon detectors (SNSPDs). It is found that the desired mode of operation for SNSPDs is only achieved if this feedback ... -
Electrothermal Icing Protection of Aerosurfaces Using Conductive Polymer Nanocomposites
(American Institute of Aeronautics and Astronautics, 2013-04)Ice protection systems (IPS) are critical components for many aerospace flight vehicles, including commercial transports and unmanned aerial systems (UAS), and can include anti-icing, de-icing, ice sensing, etc. Here, an ... -
Electrothermal simulation of superconducting nanowire avalanche photodetectors
(American Institute of Physics (AIP), 2011-03)We developed an electrothermal model of NbN superconducting nanowire avalanche photodetectors (SNAPs) on sapphire substrates. SNAPs are single-photon detectors consisting of the parallel connection of N superconducting ... -
Electroweak measurements in electron–positron collisions at W-boson-pair energies at LEP
(Elsevier, 2013-08)Electroweak measurements performed with data taken at the electron-positron collider LEP at CERN from 1995 to 2000 are reported. The combined data set considered in this report corresponds to a total luminosity of about ... -
Electroweak production of two jets in association with a Z boson in proton–proton collisions at √s = 13 TeV
(Springer Berlin Heidelberg, 2018-07)A measurement of the electroweak (EW) production of two jets in association with a Z boson in proton-proton collisions at √s = 13 TeV is presented, based on data recorded in 2016 by the CMS experiment at the LHC corresponding ... -
Electrowetting-on-dielectric actuation of a spatial and angular manipulation MEMS stage
(Institute of Electrical and Electronics Engineers (IEEE), 2017-01)We demonstrate a MEMS translational stage that uses electrowetting-on-dielectric (EWOD) as the actuating mechanism. Our EWOD stage is capable of linear translation with resolution of 10 μm over a maximum range of 130 μm ... -
Electrowetting-on-Dielectric Actuation of a Vertical Translation and Angular Manipulation Stage
(American Institute of Physics (AIP), 2016-12)Adhesion and friction during physical contact of solid components in microelectromechanical systems (MEMS) often lead to device failure. Translational stages that are fabricated with traditional silicon MEMS typically face ...
