Publications


Piezo-to-piezo (P2P) conversion: simultaneous $\beta$-phase crystallization and poling of ultrathin, transparent and freestanding homopolymer PVDF films via MHz-order nanoelectromechanical vibration


Robert Komljenovic, Peter C Sherrell, Eirini Goudeli, Amgad R Rezk, Leslie Y Yeo

Materials Horizons, Royal Society of Chemistry, 2024


Electrocatalysis for Green (er) Chemistry: Limitations and Opportunities with Traditional and Emerging Characterization Methods for Tangible Societal Impact


Peter C Sherrell, Mairis Iesalnieks, Yemima Ehrnst, Amgad R Rezk, Andris {\v{S}}utka

Advanced Energy and Sustainability Research, vol. 5, Wiley Online Library, 2024, p. 2400008


Recovery of oxidized two-dimensional MXenes through high frequency nanoscale electromechanical vibration


Heba Ahmed, Hossein Alijani, Ahmed El-Ghazaly, Joseph Halim, Billy J Murdoch, Yemima Ehrnst, Emily Massahud, Amgad R Rezk, Johanna Rosen, Leslie Y Yeo

Nature Communications, vol. 14, Nature Publishing Group UK London, 2023, p. 3


The Acoustophotoelectric Effect: Efficient Phonon--Photon--Electron Coupling in Zero-Voltage-Biased 2D SnS2 for Broad-Band Photodetection


Hossein Alijani, Philipp Reineck, Robert Komljenovic, Salvy P Russo, Mei Xian Low, Sivacarendran Balendhran, Kenneth B Crozier, Sumeet Walia, Geoff R Nash, Leslie Y Yeo, others

ACS nano, vol. 17, ACS Publications, 2023, pp. 19254--19264


Acoustofluidic semen analysis for veterinary male bovine infertility assessment


Jasmine O Castro, Melati S Abdul Halim, Lizebona A Ambattu, Amgad R Rezk, Ranganathan Prabhakar, Reza Nosrati, Leslie Y Yeo

Flow, vol. 3, Cambridge University Press, 2023, pp. E6


Acoustomicrofluidic synthesis of ZIF-8/HRP metal--organic framework composites with enhanced enzymatic activity and stability


Emily Massahud, Heba Ahmed, Lizebona A Ambattu, Amgad R Rezk, Leslie Y Yeo

Materials Today Chemistry, vol. 33, Elsevier, 2023, p. 101694


Acoustomicrofluidic Defect Engineering and Ligand Exchange in ZIF-8 Metal--Organic Frameworks


Emily Massahud, Heba Ahmed, Ravichandar Babarao, Yemima Ehrnst, Hossein Alijani, Connie Darmanin, Billy J Murdoch, Amgad R Rezk, Leslie Y Yeo

Small Methods, 2023, p. 2201170


Acoustotemplating: rapid synthesis of freestanding quasi-2D MOF/graphene oxide heterostructures for supercapacitor applications


Yemima Ehrnst, Heba Ahmed, Robert Komljenovic, Emily Massahud, Nick A Shepelin, Peter C Sherrell, Amanda V Ellis, Amgad R Rezk, Leslie Y Yeo

Journal of Materials Chemistry A, Royal Society of Chemistry, 2022


Acoustically-Induced Water Frustration for Enhanced Hydrogen Evolution Reaction in Neutral Electrolytes


Yemima Ehrnst, Peter C Sherrell, Amgad R Rezk, Leslie Y Yeo

Advanced Energy Materials, Wiley Online Library, 2022, p. 2203164


Spray characteristics from nasal spray atomization


James Van Strien, Phred Petersen, Petros Lappas, Leslie Yeo, Amgad Rezk, Sara Vahaji, Kiao Inthavong

Journal of Aerosol Science, vol. 165, Elsevier, 2022, p. 106009


Acoustomicrofluidic Concentration and Signal Enhancement of Fluorescent Nanodiamond Sensors


Asma Akther, Ella P Walsh, Philipp Reineck, Brant C Gibson, Takeshi Ohshima, Hiroshi Abe, Gawain McColl, Nicole L Jenkins, Liam T Hall, David A Simpson, others

Analytical Chemistry, vol. 93, American Chemical Society, 2021, pp. 16133--16141


Acoustomicrofluidic Synthesis of Pristine Ultrathin Ti3C2T z MXene Nanosheets and Quantum Dots


Hossein Alijani, Amgad R Rezk, Mohammad Mehdi Khosravi Farsani, Heba Ahmed, Joseph Halim, Philipp Reineck, Billy J Murdoch, Ahmed El-Ghazaly, Johanna Rosen, Leslie Y Yeo

ACS nano, vol. 15, American Chemical Society, 2021, pp. 12099--12108


Subwavelength confinement of propagating surface acoustic waves


BJ Ash, AR Rezk, LY Yeo, GR Nash

Applied Physics Letters, vol. 118, AIP Publishing LLC, 2021, p. 013502


Ultrafast, One-Step, Salt-Solution-Based Acoustic Synthesis of Ti3C2 MXene


Ahmed El Ghazaly, Heba Ahmed, Amgad R Rezk, Joseph Halim, Per O{\AA} Persson, Leslie Y Yeo, Johanna Rosen

ACS nano, vol. 15, American Chemical Society, 2021, pp. 4287--4293


Programmable Phototaxis of Metal--Phenolic Particle Microswimmers


Gan Lin, Joseph J Richardson, Heba Ahmed, Quinn A Besford, Andrew J Christofferson, Sebastian Beyer, Zhixing Lin, Amgad R Rezk, Marco Savioli, Jiajing Zhou, others

Advanced Materials, vol. 33, 2021, p. 2006177


Enhanced Antimicrobial Activity and Low Phytotoxicity of Acoustically Synthesized Large Aspect Ratio Cu-BTC Metal--Organic Frameworks with Exposed Metal Sites


Susan Marqus, Heba Ahmed, Amgad R Rezk, Tien Huynh, Ann Lawrie, Dao Nguyen, Yemima Ehrnst, Chaitali Dekiwadia, Leslie Y Yeo

ACS Applied Materials \& Interfaces, vol. 13, American Chemical Society, 2021, pp. 58309--58318


Acoustic cavitation at low gas pressures in PZT-based ultrasonic systems


Joydip Mondal, Wu Li, Amgad R Rezk, Leslie Y Yeo, Rajaram Lakkaraju, Parthasarathi Ghosh, Muthupandian Ashokkumar

Ultrasonics Sonochemistry, vol. 73, Elsevier, 2021, p. 105493


Acoustofection: High-Frequency Vibrational Membrane Permeabilization for Intracellular siRNA Delivery into Nonadherent Cells


Shwathy Ramesan, Amgad R Rezk, Paula M Cevaal, Christina Cortez-Jugo, Jori Symons, Leslie Y Yeo

ACS Applied Bio Materials, vol. 4, American Chemical Society, 2021, pp. 2781--2789


High Frequency Sonoprocessing: A New Field of Cavitation-Free Acoustic Materials Synthesis, Processing, and Manipulation


Amgad R Rezk, Heba Ahmed, Shwathy Ramesan, Leslie Y Yeo

Advanced Science, vol. 8, 2021, p. 2001983


On-Chip Generation of Vortical Flows for Microfluidic Centrifugation


Heba Ahmed, Shwathy Ramesan, Lillian Lee, Amgad R Rezk, Leslie Y Yeo

Small, vol. 16, 2020, p. 1903605


Submicron Particle and Cell Concentration in a Closed Chamber Surface Acoustic Wave Microcentrifuge


Asma Akther, Susan Marqus, Amgad R Rezk, Leslie Y Yeo

Analytical Chemistry, vol. 92, American Chemical Society, 2020, pp. 10024--10032


Free radical generation from high-frequency electromechanical dissociation of pure water


Amgad R Rezk, Heba Ahmed, Tarra L Brain, Jasmine O Castro, Ming K Tan, Julien Langley, Nicholas Cox, Joydip Mondal, Wu Li, Muthupandian Ashokkumar, others

The journal of physical chemistry letters, vol. 11, American Chemical Society, 2020, pp. 4655--4661


Acoustomicrofluidic assembly of oriented and simultaneously activated metal--organic frameworks


Heba Ahmed, Amgad R Rezk, Joseph J Richardson, Lauren K Macreadie, Ravichandar Babarao, Edwin LH Mayes, Lillian Lee, Leslie Y Yeo

Nature communications, vol. 10, Nature Publishing Group, 2019, pp. 1--9


Rapid dry exfoliation method for tuneable production of molybdenum disulphide quantum dots and large micron-dimension sheets


Mustafa Ahmed, Heba Ahmed, Amgad R Rezk, Leslie Y Yeo

Nanoscale, vol. 11, Royal Society of Chemistry, 2019, pp. 11626--11633


Miniaturised acoustofluidic tactile haptic actuator


Asma Akther, Jasmine O Castro, Seyed Ali Mousavi Shaegh, Amgad R Rezk, Leslie Y Yeo

Soft matter, vol. 15, Royal Society of Chemistry, 2019, pp. 4146--4152


Acoustopipetting: tunable nanoliter sample dispensing using surface acoustic waves


Jasmine O Castro, Shwathy R Ramesan, Huy D Dang, Amgad R Rezk, Leslie Y Yeo

Analytical chemistry, vol. 91, American Chemical Society, 2019, pp. 5621--5628


Fast three-dimensional micropatterning of PC12 cells in rapidly crosslinked hydrogel scaffolds using ultrasonic standing waves


Kai W Cheng, Layla Alhasan, Amgad R Rezk, Aswan Al-Abboodi, Pauline M Doran, Leslie Y Yeo, Peggy PY Chan

Biofabrication, vol. 12, IOP Publishing, 2019, p. 015013


Ultrafast acoustofluidic exfoliation of stratified crystals


Heba Ahmed, Amgad R Rezk, Benjamin J Carey, Yichao Wang, Md Mohiuddin, Kyle J Berean, Salvy P Russo, Kourosh Kalantar-zadeh, Leslie Y Yeo

Advanced Materials, vol. 30, 2018, p. 1704756


Continuous tuneable droplet ejection via pulsed surface acoustic wave jetting


Jasmine O Castro, Shwathy Ramesan, Amgad R Rezk, Leslie Y Yeo

Soft matter, vol. 14, The Royal Society of Chemistry, 2018, pp. 5721--5727


Increasing exfoliation yield in the synthesis of MoS2 quantum dots for optoelectronic and other applications through a continuous multicycle acoustomicrofluidic approach


Susan Marqus, Heba Ahmed, Mustafa Ahmed, Chenglong Xu, Amgad R Rezk, Leslie Y Yeo

ACS Applied Nano Materials, vol. 1, American Chemical Society, 2018, pp. 2503--2508


Liquid phase acoustic wave exfoliation of layered MoS2: critical impact of electric field in efficiency


Md Mohiuddin, Yichao Wang, Ali Zavabeti, Nitu Syed, Robi S Datta, Heba Ahmed, Torben Daeneke, Salvy P Russo, Amgad R Rezk, Leslie Y Yeo, others

Chemistry of Materials, vol. 30, American Chemical Society, 2018, pp. 5593--5601


Hybrid surface and bulk resonant acoustics for concurrent actuation and sensing on a single microfluidic device


Emily P Nguyen, Lillian Lee, Amgad R Rezk, Ylias M Sabri, Suresh K Bhargava, Leslie Y Yeo

Analytical chemistry, vol. 90, American Chemical Society, 2018, pp. 5335--5342


Acoustically-mediated intracellular delivery


Shwathy Ramesan, Amgad R Rezk, Chaitali Dekiwadia, Christina Cortez-Jugo, Leslie Y Yeo

Nanoscale, vol. 10, Royal Society of Chemistry, 2018, pp. 13165--13178


High frequency acoustic permeabilisation of drugs through tissue for localised mucosal delivery


Shwathy Ramesan, Amgad R Rezk, Leslie Y Yeo

Lab on a Chip, vol. 18, Royal Society of Chemistry, 2018, pp. 3272--3284


Plug-and-actuate on demand: multimodal individual addressability of microarray plates using modular hybrid acoustic wave technology


Amgad R Rezk, Shwathy Ramesan, Leslie Y Yeo

Lab on a Chip, vol. 18, Royal Society of Chemistry, 2018, pp. 406--411


Acoustic enhancement of intracellular delivery for ex vivo therapeutics


Leslie Yeo, Christina Cortez-Jugo, Amgad Rezk, Shwathy Ramesan

2018


Dissolution dynamics of a suspension droplet in a binary solution for controlled nanoparticle assembly


Ziyang Lu, Amgad Rezk, Fernando Jativa, Leslie Yeo, Xuehua Zhang

Nanoscale, vol. 9, Royal Society of Chemistry, 2017, pp. 13441--13448


Lithography-free, crystal-based multiresonant Lamb waves for reconfigurable microparticle manipulation


Leslie Yeo, Amgad Rezk

Informacije MIDEM, vol. 46, 2017, pp. 176--182


Rapid enhancement of cellular spheroid assembly by acoustically driven microcentrifugation


Layla Alhasan, Aisha Qi, Aswan Al-Abboodi, Amgad Rezk, Peggy PY Chan, Ciprian Iliescu, Leslie Y Yeo

ACS Biomaterials Science \& Engineering, vol. 2, American Chemical Society, 2016, pp. 1013--1022


Assessment of the potential of a high frequency acoustomicrofluidic nebulisation platform for inhaled stem cell therapy


Layla Alhasan, Aisha Qi, Amgad R Rezk, Leslie Y Yeo, Peggy PY Chan

Integrative Biology, vol. 8, Oxford University Press, 2016, pp. 12--20


Continuous production of Janus and composite liquid marbles with tunable coverage


Jasmine O Castro, Bruna M Neves, Amgad R Rezk, Nicky Eshtiaghi, Leslie Y Yeo

ACS applied materials \& interfaces, vol. 8, American Chemical Society, 2016, pp. 17751--17756


Acoustically-driven thread-based tuneable gradient generators


Shwathy Ramesan, Amgad R Rezk, Kai Wei Cheng, Peggy PY Chan, Leslie Y Yeo

Lab on a Chip, vol. 16, Royal Society of Chemistry, 2016, pp. 2820--2828


Acoustically-driven trion and exciton modulation in piezoelectric two-dimensional MoS2


Amgad R Rezk, Benjamin Carey, Adam F Chrimes, Desmond WM Lau, Brant C Gibson, Changxi Zheng, Michael S Fuhrer, Leslie Y Yeo, Kourosh Kalantar-Zadeh

Nano letters, vol. 16, American Chemical Society, 2016, pp. 849--855


HYbriD resonant acoustics (HYDRA)


Amgad R Rezk, James K Tan, Leslie Y Yeo

Advanced materials, vol. 28, 2016, pp. 1970--1975


Stability and efficacy of synthetic cationic antimicrobial peptides nebulized using high frequency acoustic waves


Ying Wang, Amgad R Rezk, Jasmeet Singh Khara, Leslie Y Yeo, Pui Lai Rachel Ee

Biomicrofluidics, vol. 10, AIP Publishing LLC, 2016, p. 034115


Phonon-polariton entrapment in homogenous surface phonon cavities


Didit Yudistira, Andreas Boes, Benjamin Dumas, Amgad R Rezk, Morteza Yousefi, Bahram Djafari-Rouhani, Leslie Y Yeo, Arnan Mitchell

Annalen der Physik, vol. 528, 2016, pp. 365--372


Highly ordered arrays of femtoliter surface droplets


Lei Bao, Amgad R Rezk, Leslie Y Yeo, Xuehua Zhang

Small, vol. 11, 2015, pp. 4850--4855


Microscale anechoic architecture: acoustic diffusers for ultra low power microparticle separation via traveling surface acoustic waves


Jan Behrens, Sean Langelier, Amgad R Rezk, Gerhard Lindner, Leslie Y Yeo, James R Friend

Lab on a Chip, vol. 15, Royal Society of Chemistry, 2015, pp. 43--46


Dynamics of liquid films exposed to high-frequency surface vibration


Ofer Manor, Amgad R Rezk, James R Friend, Leslie Y Yeo

Physical Review E, vol. 91, American Physical Society, 2015, p. 053015


Acoustic--Excitonic Coupling for Dynamic Photoluminescence Manipulation of Quasi-2D MoS2 Nanoflakes


Amgad R Rezk, Sumeet Walia, Rajesh Ramanathan, Hussein Nili, Jian Zhen Ou, Vipul Bansal, James R Friend, Madhu Bhaskaran, Leslie Y Yeo, Sharath Sriram

Advanced Optical Materials, vol. 3, 2015, pp. 845--845


Toward complete miniaturisation of flow injection analysis systems: microfluidic enhancement of chemiluminescent detection


Ana M Gracioso Martins, Nick R Glass, Sally Harrison, Amgad R Rezk, Nichola A Porter, Peter D Carpenter, Johan Du Plessis, James R Friend, Leslie Y Yeo

Analytical chemistry, vol. 86, American Chemical Society, 2014, pp. 10812--10819


Simple, low cost MHz-order acoustomicrofluidics using aluminium foil electrodes


Amgad R Rezk, James R Friend, Leslie Y Yeo

Lab on a Chip, vol. 14, Royal Society of Chemistry, 2014, pp. 1802--1805


Double flow reversal in thin liquid films driven by megahertz-order surface vibration


Amgad R Rezk, Ofer Manor, Leslie Y Yeo, James R Friend

Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, vol. 470, The Royal Society Publishing, 2014, p. 20130765


Poloidal flow and toroidal particle ring formation in a sessile drop driven by megahertz order vibration


Amgad R Rezk, Leslie Y Yeo, James R Friend

Langmuir, vol. 30, American Chemical Society, 2014, pp. 11243--11247


UV direct write metal enhanced redox (MER) domain engineering for realization of surface acoustic devices on lithium niobate


Didit Yudistira, Andreas Boes, Amgad R Rezk, Leslie Y Yeo, James R Friend, Arnan Mitchell

Advanced Materials Interfaces, vol. 1, 2014, p. 1400006


Surface Acoustic Devices: UV Direct Write Metal Enhanced Redox (MER) Domain Engineering for Realization of Surface Acoustic Devices on Lithium Niobate


Didit Yudistira, Andreas Boes, Amgad R Rezk, Leslie Y Yeo, James R Friend, Arnan Mitchell

Advanced Materials Interfaces, vol. 1, 2014


Ultraviolet direct domain writing on 128° YX-cut LiNbO 3: For SAW applications


Andreas Boes, Didit Yudistira, Amgad Rezk, Tristan Crasto, Hendrik Steigerwald, Elisabeth Soergel, Scott Wade, James Friend, Arnan Mitchell

2013 Joint IEEE International Symposium on Applications of Ferroelectric and Workshop on Piezoresponse Force Microscopy (ISAF/PFM), IEEE, 2013, pp. 272--274


Actuation mechanisms for microfluidic biomedical devices


A Rezk, J Friend, L Yeo

Microfluidic Devices for Biomedical Applications, Woodhead Publishing, 2013, pp. 100--138


Impact of domain depth on SAW generation by acoustic superlattice transducer in 128° YX-cut lithium niobate


Didit Yudistira, Andreas Boes, Amgad Rezk, Tristan Crasto, Hendrik Steigerwald, Elisabeth Soergel, James Friend, Arnan Mitchell

2013 Joint IEEE International Symposium on Applications of Ferroelectric and Workshop on Piezoresponse Force Microscopy (ISAF/PFM), IEEE, 2013, pp. 344--346


Unique fingering instabilities and soliton-like wave propagation in thin acoustowetting films


Amgad R Rezk, Ofer Manor, James R Friend, Leslie Y Yeo

Nature communications, vol. 3, Nature Publishing Group, 2012, pp. 1--7


Uniform mixing in paper-based microfluidic systems using surface acoustic waves


Amgad R Rezk, Aisha Qi, James R Friend, Wai Ho Li, Leslie Y Yeo

Lab on a Chip, vol. 12, Royal Society of Chemistry, 2012, pp. 773--779

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