Joseph Najem

    • 205 Citations
    • 7 h-Index
    20092019
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    Research Output 2009 2019

    • 205 Citations
    • 7 h-Index
    • 14 Article
    • 12 Conference contribution
    • 1 Comment/debate
    • 1 Conference article
    2019
    1 Citation (Scopus)

    Assembly and characterization of biomolecular memristors consisting of ion channel-doped lipid membranes

    Najem, J. S., Taylor, G. J., Armendarez, N., Weiss, R. J., Hasan, M. S., Rose, G. S., Schuman, C. D., Belianinov, A., Sarles, S. A. & Collier, C. P., Mar 2019, In : Journal of Visualized Experiments. 2019, 145, e58998.

    Research output: Contribution to journalArticle

    Alamethicin
    Memristors
    Aptitude
    Lipid Bilayers
    Membrane Lipids

    Author Correction: Dynamical nonlinear memory capacitance in biomimetic membranes (Nature Communications, (2019), 10, 1, (3239), 10.1038/s41467-019-11223-8)

    Najem, J. S., Hasan, M. S., Williams, R. S., Weiss, R. J., Rose, G. S., Taylor, G. J., Sarles, S. A. & Collier, C. P., Dec 1 2019, In : Nature communications. 10, 1, 3852.

    Research output: Contribution to journalComment/debate

    Open Access
    document markup languages
    Biomimetics
    HTML
    biomimetics
    Labels
    1 Citation (Scopus)

    Biomimetic, soft-material synapse for neuromorphic computing: From device to network

    Hasan, M. S., Schuman, C. D., Najem, J., Weiss, R., Skuda, N. D., Belianinov, A., Collier, C. P., Sarles, S. A. & Rose, G. S., Jan 18 2019, Proceedings of the 2018 IEEE Dallas Circuits and Systems Conference, DCAS 2018. Institute of Electrical and Electronics Engineers Inc., 8620187. (Proceedings of the 2018 IEEE Dallas Circuits and Systems Conference, DCAS 2018).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Biomimetics
    Neurons
    Brain
    Memristors
    Hardware
    4 Citations (Scopus)

    Dynamical nonlinear memory capacitance in biomimetic membranes

    Najem, J. S., Hasan, M. S., Williams, R. S., Weiss, R. J., Rose, G. S., Taylor, G. J., Sarles, S. A. & Collier, C. P., Dec 1 2019, In : Nature communications. 10, 1, 3239.

    Research output: Contribution to journalArticle

    Open Access
    Biomimetics
    biomimetics
    Capacitance
    capacitance
    membranes

    Memristive plasticity in artificial electrical synapses: Via geometrically reconfigurable, gramicidin-doped biomembranes

    Koner, S., Najem, J. S., Hasan, M. S. & Sarles, S. A., Oct 28 2019, In : Nanoscale. 11, 40, p. 18640-18652 13 p.

    Research output: Contribution to journalArticle

    Gramicidin
    Plasticity
    Ions
    Neurons
    Ion Channels
    1 Citation (Scopus)

    Response of a memristive biomembrane and demonstration of potential use in online learning

    Hasan, M. S., Najem, J., Weiss, R., Schuman, C. D., Belianinov, A., Collier, C. P., Sarles, S. A. & Rose, G. S., Jan 8 2019, 2018 IEEE 13th Nanotechnology Materials and Devices Conference, NMDC 2018. Institute of Electrical and Electronics Engineers Inc., 8605829. (2018 IEEE 13th Nanotechnology Materials and Devices Conference, NMDC 2018).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    synapses
    learning
    Brain
    Demonstrations
    Alamethicin
    2018
    3 Citations (Scopus)

    A Soft-Matter Biomolecular Memristor Synapse for Neuromorphic Systems

    Weiss, R., Najem, J., Hasan, M. S., Schuman, C. D., Belianinov, A., Patrick Collier, C., Sarles, S. A. & Rose, G. S., Dec 20 2018, 2018 IEEE Biomedical Circuits and Systems Conference, BioCAS 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 8584668. (2018 IEEE Biomedical Circuits and Systems Conference, BioCAS 2018 - Proceedings).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Memristors
    synapses
    Synapses
    Learning
    neurons
    4 Citations (Scopus)

    Encapsulating networks of droplet interface bilayers in a thermoreversible organogel

    Challita, E. J., Najem, J. S., Monroe, R., Leo, D. J. & Freeman, E. C., Dec 1 2018, In : Scientific reports. 8, 1, 6494.

    Research output: Contribution to journalArticle

    Open Access
    Alamethicin
    Gels
    Printing
    Hemolysin Proteins
    Membranes
    21 Citations (Scopus)

    Memristive Ion Channel-Doped Biomembranes as Synaptic Mimics

    Najem, J. S., Taylor, G. J., Weiss, R. J., Hasan, M. S., Rose, G., Schuman, C. D., Belianinov, A., Collier, C. P. & Sarles, S. A., May 22 2018, In : ACS nano. 12, 5, p. 4702-4711 10 p.

    Research output: Contribution to journalArticle

    Memristors
    synapses
    Alamethicin
    Ion Channels
    learning
    1 Citation (Scopus)

    The voltage-dependence of MscL has dipolar and dielectric contributions and is governed by local intramembrane electric field

    Najem, J. S., Rowe, I., Anishkin, A., Leo, D. J. & Sukharev, S., Dec 1 2018, In : Scientific reports. 8, 1, 13607.

    Research output: Contribution to journalArticle

    Open Access
    Porins
    Water
    Thermodynamics
    Lipids
    2017

    A 3D printing method for droplet-based biomolecular materials

    Challita, E. J., Najem, J., Freeman, E. C. & Leo, D. J., Jan 1 2017, Nanosensors, Biosensors, Info-Tech Sensors and 3D Systems 2017. Varadan, V. K. (ed.). SPIE, 1016712. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10167).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Droplet
    printing
    Printing
    printers
    actuation
    7 Citations (Scopus)

    Ferrofluid-Based Droplet Interface Bilayer Networks

    Makhoul-Mansour, M., Zhao, W., Gay, N., O'Connor, C., Najem, J. S., Mao, L. & Freeman, E. C., Nov 14 2017, In : Langmuir. 33, 45, p. 13000-13007 8 p.

    Research output: Contribution to journalArticle

    Magnetic fluids
    ferrofluids
    diffuse interstellar bands
    membranes
    exchanging
    5 Citations (Scopus)

    Mechanics of Droplet Interface Bilayer “Unzipping” Defines the Bandwidth for the Mechanotransduction Response of Reconstituted MscL

    Najem, J. S., Freeman, E. C., Yasmann, A., Sukharev, S. & Leo, D. J., Feb 8 2017, In : Advanced Materials Interfaces. 4, 3, 1600805.

    Research output: Contribution to journalArticle

    Mechanics
    Bandwidth
    Fluidics
    Relaxation processes
    Energy conversion

    Synapse-inspired variable conductance in biomembranes: A preliminary study

    Najem, J., Taylor, G. J., Collier, C. P. & Sarles, S. A., Jan 1 2017, Development and Characterization of Multifunctional Materials; Mechanics and Behavior of Active Materials; Bioinspired Smart Materials and Systems; Energy Harvesting; Emerging Technologies. American Society of Mechanical Engineers, (ASME 2017 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, SMASIS 2017; vol. 1).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Memristors
    Signal transduction
    Solid state devices
    Neurons
    Ion exchange
    2016
    4 Citations (Scopus)

    Flow field sensing with bio-inspired artificial hair cell arrays

    Sarlo, R., Najem, J. & Leo, D. J., Nov 29 2016, In : Sensors and Actuators, B: Chemical. 236, p. 805-814 10 p.

    Research output: Contribution to journalArticle

    hair
    Flow fields
    flow distribution
    Cells
    Sensors

    The effect of transmembrane potential on the gating of MSCL channels in droplet interface bilayers

    Najem, J. S., Sukharev, S. & Leo, D. J., Jan 1 2016, Modeling, Simulation and Control; Bio-Inspired Smart Materials and Systems; Energy Harvesting. American Society of Mechanical Engineers, V002T06A012. (ASME 2016 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, SMASIS 2016; vol. 2).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Chemical activation
    Lipids
    Monolayers
    Lipid bilayers
    Axial compression
    16 Citations (Scopus)

    The mechanoelectrical response of droplet interface bilayer membranes

    Freeman, E. C., Najem, J. S., Sukharev, S., Philen, M. K. & Leo, D. J., Mar 28 2016, In : Soft Matter. 12, 12, p. 3021-3031 11 p.

    Research output: Contribution to journalArticle

    membranes
    Membranes
    Electrostatics
    electrostatics
    dynamic control
    2015
    29 Citations (Scopus)

    Activation of bacterial channel MscL in mechanically stimulated droplet interface bilayers

    Najem, J. S., Dunlap, M. D., Rowe, I. D., Freeman, E. C., Grant, J. W., Sukharev, S. & Leo, D. J., Sep 8 2015, In : Scientific reports. 5, 13726.

    Research output: Contribution to journalArticle

    Open Access
    Membranes
    Osmotic Pressure
    Transducers
    Liposomes
    Oils
    9 Citations (Scopus)

    Multifunctional, micropipette-based method for incorporation and stimulation of bacterial mechanosensitive ion channels in droplet interface bilayers

    Najem, J. S., Dunlap, M. D., Yasmann, A., Freeman, E. C., Grant, J. W., Sukharev, S. & Leo, D. J., Nov 19 2015, In : Journal of Visualized Experiments. 2015, 105

    Research output: Contribution to journalArticle

    Open Access
    Ion Channels
    Ions
    Cell Membrane Permeability
    Artificial Membranes
    Equipment and Supplies
    2014

    A hydrogel-based droplet interface lipid bilayer network

    Edgerton, A., Najem, J. & Leo, D., Jan 1 2014, ASME 2014 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, SMASIS 2014. Web Portal ASME (American Society of Mechanical Engineers), (ASME 2014 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, SMASIS 2014; vol. 2).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Hydrogels
    Lipid bilayers
    Hydrogel
    Networks (circuits)
    Microfabrication
    4 Citations (Scopus)

    Mechanosensitive channels activity in a droplet interface bilayer system

    Najem, J., Dunlap, M., Sukharev, S. & Leo, D. J., Jan 1 2014, In : Materials Research Society Symposium Proceedings. 1621

    Research output: Contribution to journalConference article

    Membranes
    Lipid bilayers
    Hydrogel
    membranes
    Dynamic mechanical analysis
    3 Citations (Scopus)

    Mechanosensitive channels activity in a droplet interface Bilayer system

    Najem, J., Dunlap, M., Sukharev, S. & Leo, D. J., Nov 6 2014, In : Journal of Fluid Mechanics. 1621, 64.

    Research output: Contribution to journalArticle

    Membranes
    Lipid bilayers
    membranes
    Dynamic mechanical analysis
    Hydrogels
    2013
    1 Citation (Scopus)

    Biomolecular hydrogel-based lipid bilayer array system

    Najem, J., Edgerton, A. & Leo, D. J., Jun 4 2013, Bioinspiration, Biomimetics, and Bioreplication 2013. 86860C. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 8686).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Hydrogel
    Lipid Bilayer
    Lipid bilayers
    Hydrogels
    lipids
    2012
    6 Citations (Scopus)

    A bio-inspired bell kinematics design of a jellyfish robot using ionic polymer metal composites actuators

    Najem, J. & Leo, D. J., Jan 1 2012, Electroactive Polymer Actuators and Devices, EAPAD 2012. SPIE, 915170. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 8340).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Ionic Polymer-metal Composite
    robots
    bells
    Actuator
    Kinematics
    63 Citations (Scopus)

    Biomimetic jellyfish-inspired underwater vehicle actuated by ionic polymer metal composite actuators

    Najem, J., Sarles, S. A., Akle, B. & Leo, D. J., Sep 1 2012, In : Smart Materials and Structures. 21, 9, 094026.

    Research output: Contribution to journalArticle

    underwater vehicles
    biomimetics
    Biomimetics
    bells
    Polymers
    2011
    8 Citations (Scopus)

    Design and development of a biomimetic jellyfish robot that features ionic polymer metal composites actuators

    Najem, J., Akle, B., Sarles, S. A. & Leo, D. J., Dec 1 2011, ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, SMASIS 2011. p. 691-698 8 p. (ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, SMASIS 2011; vol. 2).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Biomimetics
    Polymers
    Actuators
    Metals
    Robots
    11 Citations (Scopus)

    Design and development of bio-inspired underwater Jellyfish like robot using Ionic Polymer Metal Composite (IPMC) actuators

    Barbar, A., Najem, J., Donald, L. & Blotman, J., May 17 2011, Electroactive Polymer Actuators and Devices (EAPAD) 2011. 797624. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 7976).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Ionic Polymer-metal Composite
    diluents
    Strain Rate
    robots
    strain rate
    2009
    1 Citation (Scopus)

    URANS modeling of three airfoils with different stall mechanisms

    Elkhoury, M., Najem, J. & Nakad, Z., Sep 21 2009, 2008 Proceedings of the ASME Fluids Engineering Division Summer Conference, FEDSM 2008. PART B ed. p. 795-800 6 p. (2008 Proceedings of the ASME Fluids Engineering Division Summer Conference, FEDSM 2008; vol. 1, no. PART B).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Airfoils
    Flow separation
    Turbulence models