Photoacoustic Cellular Manipulation: Building From the Bottom Up

Cardiac myofibril networks induce shear stress.

LA Murray, AP Quinn, C Pinali, DJ Collins, V Rajagopal

2026-04-02

Myofibril arrangement is critical to cardiac muscle function in health and disease. Historically, analysis of the impact of myofib..

Precision flow focusing in 3D printed microchannels for enhanced impedance spectroscopy

F Dadkhah Tehrani, MD O’Toole, DJ Collins

2026-02-15

Precise particle positioning is critical for achieving high-quality signal acquisition in impedance-based single-particle analysis..

A Plug-and-Play Volume Minimizing Micromixer

K Kolesnik, P Segeritz, DJ Scott, DJ Collins

2026-01-01

Microscale fluid mixing has numerous applications where rapid and efficient mixing is required, including drug discovery, bio-anal..

In Situ Characterisation of Hydrogels via Dynamic Interface Printing

C Vidler, M Halwes, DJ Collins

2026-01-01

Hydrogels have become pivotal materials for tissue engineering, robotics, biomedical devices, and sensing applications due to thei..

Expanding channels enhanced diffractive SAW actuated particle enrichment in vacuum-sealed microfluidic channels

DJ Bryan, K Kolesnik, C Szydzik, A Mitchell, KL Rogers, DJ Collins

2025-09-23

Diffractive surface acoustic wave (SAW) methods have recently emerged as a promising approach for bioparticle manipulation and enr..

Improved acoustic holograms using simulated annealing

G Weerasinghe, B Servais, D Heath, ST Martin, DJ Collins

2025-03-01

Acoustic holography offers the ability to generate designed acoustic fields, enhancing the versatility of acoustic micromanipulati..

3D printing of TPMS microlattice: indentation characterisation and numerical analysis

WS Harley, C Vidler, YL Tee, K Kolesnik, DE Heath, P Tran, DJ Collins

2025-01-01

Mechanical metamaterials are emerging as an important tool in many engineering applications, where microarchitectured lattices hav..

Dynamic interface printing

Callum Vidler, Michael Halwes, Kirill Kolesnik, Philipp Segeritz, Matthew Mail, Anders J Barlow, Emmanuelle M Koehl, Anand Ramakrishnan, Lilith M Caballero Aguilar, David R Nisbet, Daniel J Scott, Daniel E Heath, Kenneth B Crozier, David J Collins

2024-10-31

Additive manufacturing is an expanding multidisciplinary field encompassing applications including medical devices1, aerospace com..

Micro-Acoustic Holograms for Detachable Microfluidic Devices

M Xu, C Vidler, J Wang, X Chen, Z Pan, WS Harley, PVS Lee, DJ Collins

2024-06-05

Acoustic microfluidic devices have advantages for diagnostic applications, therapeutic solutions, and fundamental research due to ..

Enhanced acoustic streaming effects via sharp-edged 3D microstructures

William S Harley, Kirill Kolesnik, Daniel E Heath, David J Collins

2024-03-21

Acoustofluidic micromanipulation is an important tool for biomedical research, where acoustic forces offer the ability to manipula..

Quantitative mechanical stimulation of GPR68 using a novel 96 well flow plugin

Philipp Segeritz, Kirill Kolesnik, Daniel J Scott, David J Collins

2024-03-21

Mechanosensitive proteins play a crucial role in a range of physiological processes, including hearing, tactile sensation and regu..

Optimizing coupling layer and superstrate thickness in attachable acoustofluidic devices

K Kolesnik, V Rajagopal, DJ Collins

2024-02-01

Superstrate-based acoustofluidic devices, where the fluidic elements are reversibly coupled to a transducer rather than bonded to ..

Critical review of single-cell mechanotyping approaches for biomedical applications

Max Chapman, Vijay Rajagopal, Alastair Stewart, David J Collins

2024-01-01

Accurate mechanical measurements of cells has the potential to improve diagnostics, therapeutics and advance understanding of dise..

A Rapid Prototyping Approach for Multi-Material, Reversibly Sealed Microfluidics

M Halwes, M Stamp, DJ Collins

2023-12-01

Microfluidic organ-on-chip models recapitulate increasingly complex physiological phenomena to study tissue development and diseas..

Thomson–Einstein’s Tea Leaf Paradox Revisited: Aggregation in Rings

K Kolesnik, DQL Pham, J Fong, DJ Collins

2023-11-01

A distinct particle focusing spot occurs in the center of a rotating fluid, presenting an apparent paradox given the presence of p..

Programmable Acoustic Holography using Medium-Sound-Speed Modulation

M Xu, J Wang, WS Harley, PVS Lee, DJ Collins

2023-08-15

Acoustic holography offers the ability to generate designed acoustic fields to manipulate microscale objects. However, the static ..