Journal
BIOMEDICAL MICRODEVICES
Volume 25, Issue 3, Pages -Publisher
SPRINGER
DOI: 10.1007/s10544-023-00661-3
Keywords
Microfluidic system; Virus detection; Microparticle tracking; Multilayered chip; High-throughput assay
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In recent years, the biomedical scientific community has been focused on developing high-throughput devices for the reliable and rapid detection of multiple virus strains or microparticles simultaneously. The complexity lies in the rapid prototyping of new devices and wireless detection of small particles and viruses. By simplifying microfluidics microfabrication and using affordable materials and makerspace tools, an affordable solution to high-throughput devices and detection technologies can be provided. We present the development of a wireless, standalone device and disposable microfluidic chips that can rapidly generate parallel readouts for selected virus variants from nasal or saliva samples.
In recent years biomedical scientific community has been working towards the development of high-throughput devices that allow a reliable, rapid and parallel detection of several strains of virus or microparticles simultaneously. One of the complexities of this problem lies on the rapid prototyping of new devices and wireless rapid detection of small particles and virus alike. By reducing the complexity of microfluidics microfabrication and using economic materials along with makerspace tools (Kundu et al. 2018) it is possible to provide an affordable solution to both the problems of high-throughput devices and detection technologies. We present the development of a wireless, standalone device and disposable microfluidics chips that rapidly generate parallel readouts for selected, possible virus variants from a nasal or saliva sample, based on motorized and non-motorized microbeads detection, and imaging processing of the motion tracks of these beads in micrometers. Microbeads and SARS-CoV-2 COVID-19 Delta variant were tested as proof-of-concept for testing the microfluidic cartridges and wireless imaging module. The Microbead Assay (MA) system kit consists of a Wi-Fi readout module, a microfluidic chip, and a sample collection/processing sub-system. Here, we focus on the fabrication and characterization of the microfluidic chip to multiplex various micrometer-sized beads for economic, disposable, and simultaneous detection of up to six different viruses, microparticles or variants in a single test, and data collection using a commercially available, Wi-Fi-capable, and camera integrated device (Fig. 1).
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