SALAD: Syringe-based Arduino-operated Low-cost Antibody Dispenser

Lateral Flow Assays (LFA) have been one of the most widely adopted technologies in clinical diagnosis over recent years, especially during the COVID-19 pandemic, due to their feasibility, compactness, and rapid readout. However, the precise dispensing of antibodies–a key part of the fabrication proc...

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Main Authors: Anh Phuc Hoang Le, Quang Lam Nguyen, Bao Hoai Pham, Thien Hoang Minh Cao, Toi Van Vo, Khon Huynh, Huong Thi Thanh Ha
Format: Article
Language:English
Published: Elsevier 2023-09-01
Series:HardwareX
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2468067223000627
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author Anh Phuc Hoang Le
Quang Lam Nguyen
Bao Hoai Pham
Thien Hoang Minh Cao
Toi Van Vo
Khon Huynh
Huong Thi Thanh Ha
author_facet Anh Phuc Hoang Le
Quang Lam Nguyen
Bao Hoai Pham
Thien Hoang Minh Cao
Toi Van Vo
Khon Huynh
Huong Thi Thanh Ha
author_sort Anh Phuc Hoang Le
collection DOAJ
description Lateral Flow Assays (LFA) have been one of the most widely adopted technologies in clinical diagnosis over recent years, especially during the COVID-19 pandemic, due to their feasibility, compactness, and rapid readout. However, the precise dispensing of antibodies–a key part of the fabrication process–requires costly line dispenser equipment, which poses a challenge to researchers with limited budgets. This study aims to resolve this key issue by introducing a Syringe-based Arduino-operated Low-cost Antibody Dispenser (SALAD). By utilizing a microneedle, stepper motor-driven syringe pump, and conveyor belt, SALAD can form micro-droplets to create an even band of antibodies. Our evaluation results showed comparable performance between SALAD and a commercialized model – Claremont ALFRD, with SALAD exceeding in affordability and feasibility. SALAD yielded an even signal, uniform bandwidth, and low background noise, yet optimization in the conveyor belt should be considered to enhance stability. With a low manufacturing cost ($200.61) compared to the commercialized models, our model is expected to provide an affordable approach for LFA researchers.
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spelling doaj.art-b109d3eb372e42d49f52222de14408ed2023-09-23T05:11:51ZengElsevierHardwareX2468-06722023-09-0115e00455SALAD: Syringe-based Arduino-operated Low-cost Antibody DispenserAnh Phuc Hoang Le0Quang Lam Nguyen1Bao Hoai Pham2Thien Hoang Minh Cao3Toi Van Vo4Khon Huynh5Huong Thi Thanh Ha6School of Biomedical Engineering, International University, Ho Chi Minh City, Viet Nam; Vietnam National University, Ho Chi Minh City, Viet NamSchool of Biomedical Engineering, International University, Ho Chi Minh City, Viet Nam; Vietnam National University, Ho Chi Minh City, Viet NamSchool of Biomedical Engineering, International University, Ho Chi Minh City, Viet Nam; Vietnam National University, Ho Chi Minh City, Viet NamSchool of Biomedical Engineering, International University, Ho Chi Minh City, Viet Nam; Vietnam National University, Ho Chi Minh City, Viet NamSchool of Biomedical Engineering, International University, Ho Chi Minh City, Viet Nam; Vietnam National University, Ho Chi Minh City, Viet NamSchool of Biomedical Engineering, International University, Ho Chi Minh City, Viet Nam; Vietnam National University, Ho Chi Minh City, Viet Nam; Corresponding authors at: School of Biomedical Engineering, International University, Ho Chi Minh City, Viet Nam.School of Biomedical Engineering, International University, Ho Chi Minh City, Viet Nam; Vietnam National University, Ho Chi Minh City, Viet Nam; Corresponding authors at: School of Biomedical Engineering, International University, Ho Chi Minh City, Viet Nam.Lateral Flow Assays (LFA) have been one of the most widely adopted technologies in clinical diagnosis over recent years, especially during the COVID-19 pandemic, due to their feasibility, compactness, and rapid readout. However, the precise dispensing of antibodies–a key part of the fabrication process–requires costly line dispenser equipment, which poses a challenge to researchers with limited budgets. This study aims to resolve this key issue by introducing a Syringe-based Arduino-operated Low-cost Antibody Dispenser (SALAD). By utilizing a microneedle, stepper motor-driven syringe pump, and conveyor belt, SALAD can form micro-droplets to create an even band of antibodies. Our evaluation results showed comparable performance between SALAD and a commercialized model – Claremont ALFRD, with SALAD exceeding in affordability and feasibility. SALAD yielded an even signal, uniform bandwidth, and low background noise, yet optimization in the conveyor belt should be considered to enhance stability. With a low manufacturing cost ($200.61) compared to the commercialized models, our model is expected to provide an affordable approach for LFA researchers.http://www.sciencedirect.com/science/article/pii/S2468067223000627ArduinoLateral Flow AssaysDispensersAntibodyPoint-of-careLow-cost
spellingShingle Anh Phuc Hoang Le
Quang Lam Nguyen
Bao Hoai Pham
Thien Hoang Minh Cao
Toi Van Vo
Khon Huynh
Huong Thi Thanh Ha
SALAD: Syringe-based Arduino-operated Low-cost Antibody Dispenser
HardwareX
Arduino
Lateral Flow Assays
Dispensers
Antibody
Point-of-care
Low-cost
title SALAD: Syringe-based Arduino-operated Low-cost Antibody Dispenser
title_full SALAD: Syringe-based Arduino-operated Low-cost Antibody Dispenser
title_fullStr SALAD: Syringe-based Arduino-operated Low-cost Antibody Dispenser
title_full_unstemmed SALAD: Syringe-based Arduino-operated Low-cost Antibody Dispenser
title_short SALAD: Syringe-based Arduino-operated Low-cost Antibody Dispenser
title_sort salad syringe based arduino operated low cost antibody dispenser
topic Arduino
Lateral Flow Assays
Dispensers
Antibody
Point-of-care
Low-cost
url http://www.sciencedirect.com/science/article/pii/S2468067223000627
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