Contents 1
Low-powered pH-stable nano-electrokinetically enhanced lateral flow assay for COVID-19 antigen test / Kang Hyeon Kim ; Yong Kyoung Yoo ; Na Eun Lee ; Junwoo Lee ; Cheonjung Kim ; Seungmin Lee ; Jinhwan Kim ; Seong Jun Park ; Dongtak Lee ; Sang Won Lee ; Hyungseok Kim ; Don Hur ; Dae Sung Yoon ; Jeong Hoon Lee 1
Abstract 1
1. Introduction 1
2. Methods 2
2.1. Fabrication and Operation of PcNEK-LFA 2
2.2. Materials 3
2.3. pH Measurement 4
2.4. Assay Protocol of PcNEK-LFA 4
2.5. Colorimetric Signal Quantification 6
3. Results and Discussion 6
3.1. Sample Preconcentration with PcNEK-LFA 6
3.2. NEK Device Without the Effect of pH 6
3.3. Improved Assay of β-hCG Using a PcNEK-LFA 7
3.4. Improved Assay of COVID-19 Antigen Using a PcNEK-LFA 8
4. Conclusion 8
Author Contributions 8
References 9