Jason Christian Brenker

Jason Christian Brenker
Monash University (Australia) · Department of Mechanical and Aerospace Engineering, Clayton

Doctor of Engineering

About

15
Publications
2,054
Reads
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211
Citations
Additional affiliations
January 2019 - December 2022
Monash University (Australia)
Position
  • Research Associate
October 2017 - present
University of Cambridge
Position
  • Supervisor
Description
  • Delivering lectures on An Introduction to Programming with MATLAB, and practical classes in 3D printing and design. Daily supervisor for PhD students providing training in laboratory techniques and guidance on scientific report preparation.
October 2017 - present
University of Cambridge
Position
  • Supervisor
Description
  • Supervision of students undertaking the Chemical Engineering Tripos Part I in Structures, Dynamics, Mechanical Properties of Materials, Fluids, and Stress Analysis and Pressure Vessels.

Publications

Publications (15)
Article
Full-text available
This paper presents an acoustically actuated microfluidic mixer that uses an array of hydrodynamically coupled resonators to rapidly homogenise liquid solutions and synthesize nanoparticles. The system relies on 8 identical oscillating cantilevers that are equally spaced on the perimeter of a circular well, through which the liquid solutions are in...
Article
This paper presents an X-ray compatible microfluidic platform for in situ characterization of chemical reactions at synchrotron light sources. We demonstrate easy to implement techniques to probe reacting solutions as they first come into contact, and study the very first milliseconds of their reaction in real-time through X-ray absorption spectros...
Article
An on-demand droplet injection method for controlled delivery of nanolitre-volume liquid samples to scientific instruments for subsequent analysis is presented. We employ pulsed focussed surface acoustic waves (SAW) to eject droplets from an enclosed microfluidic channel into an open environment. The 3D position of individual droplets and their tim...
Article
Acoustic forces have been widely used to control microparticles within microfluidic systems. Such acoustofluidic systems have been very successful in tasks such as cell sorting, however, to date efforts have been mostly limited to single phase systems. Just as the contrast in acoustic impedance between a fluid and suspended particle means that acou...
Article
The use of ultrasonic fields to manipulate particles, cells and droplets has become widespread in lab on a chip (LOC) systems. There are two dominant actuation methods, the use of bulk acoustic waves (BAW) or surface acoustic waves (SAW). The development of BAW actuated systems have been underpinned by a robust understanding of the link between the...
Article
Aqueous droplets suspended in an immiscible carrier fluid are a key tool in microfluidic chemical analysis platforms. The approaches for producing droplets in microfluidic devices can be divided into three general categories: batch emulsification, continuous production and tailored on-demand production. The major distinctions between each category...
Article
The exfoliation characteristics of graphite as a function of applied anodic potential (1-10 V) in combination with shear field (400-74 400 s(-1)) have been studied in a custom-designed microfluidic reactor. Systematic investigation by atomic force microscopy (AFM) indicates that at higher potentials thicker and more fragmented graphene sheets are o...
Article
Full-text available
A popular approach to monitoring diseases and their diagnosis is through biological, pathological or immunological characterization. However, at a cellular level progression of certain diseases manifests itself through mechanical effects as well. Here, we present a method which exploits localised flow; surface acoustic wave (SAW) induced acoustic s...
Article
Full-text available
This letter presents a method which employs surface acoustic wave induced acoustic streaming to differentially peel treated red blood cells (RBCs) off a substrate based on their adhesive properties and separate populations of pathological cells from normal ones. We demonstrate the principle of operation by comparing the applied power and time requi...
Article
In this paper an improved method for the on-demand production of droplets in a microfluidic device is presented. Earlier work reported by our group has shown that a pressure source generated by high frequency Surface Acoustic Waves (SAW) can be used to produce water in oil droplets on-demand in a microfluidic system, an ability with a wide range of...

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