Mohand Saed

University of Cambridge, Cavendish Laboratory

Research Expertise

Liquid Crystal Elastomers
Vitrimers
Polymers
Thermoplastics
3D printing
Biomaterials
Polymers and Plastics
Renewable Energy, Sustainability and the Environment

About

Dr. Mohand Saed is an experienced mechanical engineer who is an expert in microfluidics and energy systems. He obtained his PhD in Mechanical engineering from the University of Colorado Denver in 2015 and his MS in Mechanical engineering from the same university in 2013. Throughout his career, he has had numerous research positions, including as a Senior Research Associate at the University of Cambridge, Postdoctoral Associate at the University of Texas at Dallas, and Research Assistant Professor at the University of Cambridge. He has published extensively on his research topics and holds several patents. He is also an active member of the technical community and is well known for his expertise in microfluidics and energy systems.

Publications

Tailorable and programmable liquid-crystalline elastomers using a two-stage thiol–acrylate reaction

RSC Advances / Jan 01, 2015

Yakacki, C. M., Saed, M., Nair, D. P., Gong, T., Reed, S. M., & Bowman, C. N. (2015). Tailorable and programmable liquid-crystalline elastomers using a two-stage thiol–acrylate reaction. RSC Advances, 5(25), 18997–19001. https://doi.org/10.1039/c5ra01039j

Molecularly‐Engineered, 4D‐Printed Liquid Crystal Elastomer Actuators

Advanced Functional Materials / Nov 27, 2018

Saed, M. O., Ambulo, C. P., Kim, H., De, R., Raval, V., Searles, K., Siddiqui, D. A., Cue, J. M. O., Stefan, M. C., Shankar, M. R., & Ware, T. H. (2018). Molecularly‐Engineered, 4D‐Printed Liquid Crystal Elastomer Actuators. Advanced Functional Materials, 29(3), 1806412. Portico. https://doi.org/10.1002/adfm.201806412

Thiol-acrylate main-chain liquid-crystalline elastomers with tunable thermomechanical properties and actuation strain

Journal of Polymer Science Part B: Polymer Physics / Oct 14, 2016

Saed, M. O., Torbati, A. H., Starr, C. A., Visvanathan, R., Clark, N. A., & Yakacki, C. M. (2016). Thiol-acrylate main-chain liquid-crystalline elastomers with tunable thermomechanical properties and actuation strain. Journal of Polymer Science Part B: Polymer Physics, 55(2), 157–168. Portico. https://doi.org/10.1002/polb.24249

High strain actuation liquid crystal elastomers via modulation of mesophase structure

Soft Matter / Jan 01, 2017

Saed, M. O., Volpe, R. H., Traugutt, N. A., Visvanathan, R., Clark, N. A., & Yakacki, C. M. (2017). High strain actuation liquid crystal elastomers via modulation of mesophase structure. Soft Matter, 13(41), 7537–7547. https://doi.org/10.1039/c7sm01380a

Liquid Crystalline Vitrimers with Full or Partial Boronic‐Ester Bond Exchange

Advanced Functional Materials / Oct 15, 2019

Saed, M. O., Gablier, A., & Terentejv, E. M. (2019). Liquid Crystalline Vitrimers with Full or Partial Boronic‐Ester Bond Exchange. Advanced Functional Materials, 30(3), 1906458. Portico. https://doi.org/10.1002/adfm.201906458

Synthesis of Programmable Main-chain Liquid-crystalline Elastomers Using a Two-stage Thiol-acrylate Reaction

Journal of Visualized Experiments / Jan 19, 2016

Saed, M. O., Torbati, A. H., Nair, D. P., & Yakacki, C. M. (2016). Synthesis of Programmable Main-chain Liquid-crystalline Elastomers Using a Two-stage Thiol-acrylate Reaction. Journal of Visualized Experiments, 107. https://doi.org/10.3791/53546

Liquid-crystal order during synthesis affects main-chain liquid-crystal elastomer behavior

Soft Matter / Jan 01, 2017

Traugutt, N. A., Volpe, R. H., Bollinger, M. S., Saed, M. O., Torbati, A. H., Yu, K., Dadivanyan, N., & Yakacki, C. M. (2017). Liquid-crystal order during synthesis affects main-chain liquid-crystal elastomer behavior. Soft Matter, 13(39), 7013–7025. https://doi.org/10.1039/c7sm01405h

Exchangeable Liquid Crystalline Elastomers and Their Applications

Chemical Reviews / Feb 17, 2021

Saed, M. O., Gablier, A., & Terentjev, E. M. (2021). Exchangeable Liquid Crystalline Elastomers and Their Applications. Chemical Reviews, 122(5), 4927–4945. https://doi.org/10.1021/acs.chemrev.0c01057

Elasticity and Relaxation in Full and Partial Vitrimer Networks

Macromolecules / Sep 26, 2019

Meng, F., Saed, M. O., & Terentjev, E. M. (2019). Elasticity and Relaxation in Full and Partial Vitrimer Networks. Macromolecules, 52(19), 7423–7429. https://doi.org/10.1021/acs.macromol.9b01123

Siloxane crosslinks with dynamic bond exchange enable shape programming in liquid-crystalline elastomers

Scientific Reports / Apr 20, 2020

Saed, M. O., & Terentjev, E. M. (2020). Siloxane crosslinks with dynamic bond exchange enable shape programming in liquid-crystalline elastomers. Scientific Reports, 10(1). https://doi.org/10.1038/s41598-020-63508-4

Viscoelasticity of the polydomain-monodomain transition in main-chain liquid crystal elastomers

Polymer / Aug 01, 2016

Azoug, A., Vasconcellos, V., Dooling, J., Saed, M., Yakacki, C. M., & Nguyen, T. D. (2016). Viscoelasticity of the polydomain-monodomain transition in main-chain liquid crystal elastomers. Polymer, 98, 165–171. https://doi.org/10.1016/j.polymer.2016.06.022

Enhanced Dynamic Adhesion in Nematic Liquid Crystal Elastomers

Advanced Materials / Jun 11, 2019

Ohzono, T., Saed, M. O., & Terentjev, E. M. (2019). Enhanced Dynamic Adhesion in Nematic Liquid Crystal Elastomers. Advanced Materials, 1902642. Portico. https://doi.org/10.1002/adma.201902642

Liquid Crystal Elastomer-Based Microelectrode Array for In Vitro Neuronal Recordings

Micromachines / Aug 20, 2018

Rihani, R., Kim, H., Black, B., Atmaramani, R., Saed, M., Pancrazio, J., & Ware, T. (2018). Liquid Crystal Elastomer-Based Microelectrode Array for In Vitro Neuronal Recordings. Micromachines, 9(8), 416. https://doi.org/10.3390/mi9080416

Photo-CuAAC Induced Wrinkle Formation in a Thiol–Acrylate Elastomer via Sequential Click Reactions

Chemistry of Materials / Sep 10, 2014

Alzahrani, A. A., Nair, D. P., Smits, D. J., Saed, M., Yakacki, C. M., & Bowman, C. N. (2014). Photo-CuAAC Induced Wrinkle Formation in a Thiol–Acrylate Elastomer via Sequential Click Reactions. Chemistry of Materials, 26(18), 5303–5309. https://doi.org/10.1021/cm502237b

Scalable upcycling of thermoplastic polyolefins into vitrimers through transesterification

Journal of Materials Chemistry A / Jan 01, 2020

Kar, G. P., Saed, M. O., & Terentjev, E. M. (2020). Scalable upcycling of thermoplastic polyolefins into vitrimers through transesterification. Journal of Materials Chemistry A, 8(45), 24137–24147. https://doi.org/10.1039/d0ta07339c

Responsive, 3D Electronics Enabled by Liquid Crystal Elastomer Substrates

ACS Applied Materials & Interfaces / May 09, 2019

Kim, H., Gibson, J., Maeng, J., Saed, M. O., Pimentel, K., Rihani, R. T., Pancrazio, J. J., Georgakopoulos, S. V., & Ware, T. H. (2019). Responsive, 3D Electronics Enabled by Liquid Crystal Elastomer Substrates. ACS Applied Materials & Interfaces, 11(21), 19506–19513. https://doi.org/10.1021/acsami.9b04189

Rheology of vitrimers

Nature Communications / Sep 30, 2022

Meng, F., Saed, M. O., & Terentjev, E. M. (2022). Rheology of vitrimers. Nature Communications, 13(1). https://doi.org/10.1038/s41467-022-33321-w

Four-dimensional Printing of Liquid Crystal Elastomers

ACS Applied Materials & Interfaces / Oct 11, 2017

Ambulo, C. P., Burroughs, J. J., Boothby, J. M., Kim, H., Shankar, M. R., & Ware, T. H. (2017). Four-dimensional Printing of Liquid Crystal Elastomers. ACS Applied Materials & Interfaces, 9(42), 37332–37339. https://doi.org/10.1021/acsami.7b11851

Programmable Shape Change in Semicrystalline Liquid Crystal Elastomers

ACS Applied Materials & Interfaces / Jul 22, 2022

Javed, M., Corazao, T., Saed, M. O., Ambulo, C. P., Li, Y., Kessler, M. R., & Ware, T. H. (2022). Programmable Shape Change in Semicrystalline Liquid Crystal Elastomers. ACS Applied Materials & Interfaces, 14(30), 35087–35096. https://doi.org/10.1021/acsami.2c07533

Thiol–acrylate side-chain liquid crystal elastomers

Soft Matter / Jan 01, 2022

Guo, H., Saed, M. O., & Terentjev, E. M. (2022). Thiol–acrylate side-chain liquid crystal elastomers. Soft Matter, 18(25), 4803–4809. https://doi.org/10.1039/d2sm00547f

Main‐Chain Nematic Side‐Chain Smectic Composite Liquid Crystalline Elastomers

Advanced Functional Materials / Jan 26, 2023

Guo, H., Saed, M. O., & Terentjev, E. M. (2023). Main‐Chain Nematic Side‐Chain Smectic Composite Liquid Crystalline Elastomers. Advanced Functional Materials, 2214918. Portico. https://doi.org/10.1002/adfm.202214918

Synthesis of Programmable Main-chain Liquid-crystalline Elastomers Using a Two-stage Thiol-acrylate Reaction

Journal of Visualized Experiments / Jan 19, 2016

Saed, M. O., Torbati, A. H., Nair, D. P., & Yakacki, C. M. (2016). Synthesis of Programmable Main-chain Liquid-crystalline Elastomers Using a Two-stage Thiol-acrylate Reaction. Journal of Visualized Experiments, 107. https://doi.org/10.3791/53546-v

Liquid crystal elastomer shell actuators with negative order parameter

Science Advances / Apr 05, 2019

Jampani, V. S. R., Volpe, R. H., Reguengo de Sousa, K., Ferreira Machado, J., Yakacki, C. M., & Lagerwall, J. P. F. (2019). Liquid crystal elastomer shell actuators with negative order parameter. Science Advances, 5(4). https://doi.org/10.1126/sciadv.aaw2476

Dynamic Pressure Sensitive Adhesion in Nematic Phase of Liquid Crystal Elastomers

Advanced Functional Materials / Dec 02, 2021

Farre‐Kaga, H. J., Saed, M. O., & Terentjev, E. M. (2021). Dynamic Pressure Sensitive Adhesion in Nematic Phase of Liquid Crystal Elastomers. Advanced Functional Materials, 32(12), 2110190. Portico. https://doi.org/10.1002/adfm.202110190

Impact damping and vibration attenuation in nematic liquid crystal elastomers

Nature Communications / Nov 18, 2021

Saed, M. O., Elmadih, W., Terentjev, A., Chronopoulos, D., Williamson, D., & Terentjev, E. M. (2021). Impact damping and vibration attenuation in nematic liquid crystal elastomers. Nature Communications, 12(1). https://doi.org/10.1038/s41467-021-27012-1

Dynamic Semicrystalline Networks of Polypropylene with Thiol-Anhydride Exchangeable Crosslinks

ACS Applied Materials & Interfaces / Aug 26, 2021

Saed, M. O., Lin, X., & Terentjev, E. M. (2021). Dynamic Semicrystalline Networks of Polypropylene with Thiol-Anhydride Exchangeable Crosslinks. ACS Applied Materials & Interfaces, 13(35), 42044–42051. https://doi.org/10.1021/acsami.1c12099

Heliotracking Device using Liquid Crystalline Elastomer Actuators

Advanced Materials Technologies / Jul 18, 2021

Guo, H., Saed, M. O., & Terentjev, E. M. (2021). Heliotracking Device using Liquid Crystalline Elastomer Actuators. Advanced Materials Technologies, 6(11), 2100681. Portico. https://doi.org/10.1002/admt.202100681

Internal constraints and arrested relaxation in main-chain nematic elastomers

Nature Communications / Feb 04, 2021

Ohzono, T., Katoh, K., Minamikawa, H., Saed, M. O., & Terentjev, E. M. (2021). Internal constraints and arrested relaxation in main-chain nematic elastomers. Nature Communications, 12(1). https://doi.org/10.1038/s41467-021-21036-3

A Copolymer-in-Oil Tissue-Mimicking Material With Tuneable Acoustic and Optical Characteristics for Photoacoustic Imaging Phantoms

IEEE Transactions on Medical Imaging / Dec 01, 2021

Hacker, L., Joseph, J., Ivory, A. M., Saed, M. O., Zeqiri, B., Rajagopal, S., & Bohndiek, S. E. (2021). A Copolymer-in-Oil Tissue-Mimicking Material With Tuneable Acoustic and Optical Characteristics for Photoacoustic Imaging Phantoms. IEEE Transactions on Medical Imaging, 40(12), 3593–3603. https://doi.org/10.1109/tmi.2021.3090857

Continuous spinning aligned liquid crystal elastomer fibers with a 3D printer setup

Soft Matter / Jan 01, 2021

Lin, X., Saed, M. O., & Terentjev, E. M. (2021). Continuous spinning aligned liquid crystal elastomer fibers with a 3D printer setup. Soft Matter, 17(21), 5436–5443. https://doi.org/10.1039/d1sm00432h

Transesterification in Epoxy–Thiol Exchangeable Liquid Crystalline Elastomers

Macromolecules / Sep 29, 2020

Gablier, A., Saed, M. O., & Terentjev, E. M. (2020). Transesterification in Epoxy–Thiol Exchangeable Liquid Crystalline Elastomers. Macromolecules, 53(19), 8642–8649. https://doi.org/10.1021/acs.macromol.0c01757

Light-Driven Dynamic Adhesion on Photosensitized Nematic Liquid Crystalline Elastomers

ACS Applied Materials & Interfaces / Jun 17, 2020

Ohzono, T., Norikane, Y., Saed, M. O., & Terentjev, E. M. (2020). Light-Driven Dynamic Adhesion on Photosensitized Nematic Liquid Crystalline Elastomers. ACS Applied Materials & Interfaces, 12(28), 31992–31997. https://doi.org/10.1021/acsami.0c08289

Catalytic Control of Plastic Flow in Siloxane-Based Liquid Crystalline Elastomer Networks

ACS Macro Letters / May 06, 2020

Saed, M. O., & Terentjev, E. M. (2020). Catalytic Control of Plastic Flow in Siloxane-Based Liquid Crystalline Elastomer Networks. ACS Macro Letters, 9(5), 749–755. https://doi.org/10.1021/acsmacrolett.0c00265

Dynamic Manipulation of Friction in Smart Textile Composites of Liquid‐Crystal Elastomers

Advanced Materials Interfaces / Apr 01, 2020

Ohzono, T., Saed, M. O., Yue, Y., Norikane, Y., & Terentjev, E. M. (2020). Dynamic Manipulation of Friction in Smart Textile Composites of Liquid‐Crystal Elastomers. Advanced Materials Interfaces, 7(7), 1901996. Portico. https://doi.org/10.1002/admi.201901996

Rates of transesterification in epoxy–thiol vitrimers

Soft Matter / Jan 01, 2020

Gablier, A., Saed, M. O., & Terentjev, E. M. (2020). Rates of transesterification in epoxy–thiol vitrimers. Soft Matter, 16(22), 5195–5202. https://doi.org/10.1039/d0sm00742k

The effect of alignment on the rate-dependent behavior of a main-chain liquid crystal elastomer

Soft Matter / Jan 01, 2020

Martin Linares, C. P., Traugutt, N. A., Saed, M. O., Martin Linares, A., Yakacki, C. M., & Nguyen, T. D. (2020). The effect of alignment on the rate-dependent behavior of a main-chain liquid crystal elastomer. Soft Matter, 16(38), 8782–8798. https://doi.org/10.1039/d0sm00125b

Fully recoverable rigid shape memory foam based on copper-catalyzed azide–alkyne cycloaddition (CuAAC) using a salt leaching technique

Polymer Chemistry / Jan 01, 2018

Alzahrani, A. A., Saed, M., Yakacki, C. M., Song, H. B., Sowan, N., Walston, J. J., Shah, P. K., McBride, M. K., Stansbury, J. W., & Bowman, C. N. (2018). Fully recoverable rigid shape memory foam based on copper-catalyzed azide–alkyne cycloaddition (CuAAC) using a salt leaching technique. Polymer Chemistry, 9(1), 121–130. https://doi.org/10.1039/c7py01121k

High-strength poly(para-phenylene) as an orthopedic biomaterial

Journal of Biomedical Materials Research Part A / Oct 16, 2013

Frick, C. P., DiRienzo, A. L., Hoyt, A. J., Safranski, D. L., Saed, M., Losty, E. J., & Yakacki, C. M. (2013). High-strength poly(para-phenylene) as an orthopedic biomaterial. Journal of Biomedical Materials Research Part A, 102(9), 3122–3129. https://doi.org/10.1002/jbm.a.34982

Education

University of Colorado Denver

PhD, Mechanical engineering

Denver, Colorado, United States of America

University of Colorado Denver

MS, Mechanical engineering / December, 2013

Denver, Colorado, United States of America

Experience

University of Cambridge

Senior research associate / October, 2018September, 2022

University of Texas at Dallas

Postdoctoral associate / June, 2017September, 2018

University of Cambridge

Research assistant professor / September, 2022Present

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