Suppression of Coffee-ring Effect (CRE) in the Development of Low-cost Diagnostic Kit

Authors

  • Norhidayah Ideris School of Chemical Engineering, Universiti Teknologi MARA, Shah Alam, Malaysia
  • Noor Fitrah Abu Bakar School of Chemical Engineering, College of Engineeringg, Universiti Teknologi MARA, Shah Alam. Malaysia.
  • Abdul Latif Ahmad School of Chemical Engineering, Universiti Sains Malaysia, Nibong Tebal. Malaysia
  • Adhi Kusumastuti Faculty of Engineering, Universitas Negeri Semarang, Semarang, Indonesia

DOI:

https://doi.org/10.21834/e-bpj.v9i27.5654

Keywords:

Diagnostic-Kit, Low Cost, Coffee-Ring Effect (CRE), NaCl Addition

Abstract

One of the applications of membrane technology is using the polymeric membrane as an adsorber or assay-capturing matrix in the diagnostic kits' assembly. This study explores the addition of NaCl into a protein solution to suppress the coffee-ring effect (CRE) in developing a low-cost diagnostic kit. The highest concentration of NaCl addition shows the optimum results with no formation of CRE and high color intensity (low grey scale value). Adding NaCl into the protein solution is a safe and cheap alternative for lowering the cost of assembly, benefiting people in low-resource places.

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Published

2024-02-24

How to Cite

Ideris, N., Abu Bakar, N. F., Ahmad, A. L., & Kusumastuti, A. (2024). Suppression of Coffee-ring Effect (CRE) in the Development of Low-cost Diagnostic Kit. Environment-Behaviour Proceedings Journal, 9(27), 171–176. https://doi.org/10.21834/e-bpj.v9i27.5654