Rapid and Multiplex Diagnosis of Malaria Using Chelex-100 Extraction and LAMP-MS Assay

Malaria remains a major public health threat, especially in tropical and subtropical regions. Accurate and rapid diagnosis is essential for effective disease management and control, yet conventional malaria diagnostics, including blood smear microscopy using Giemsa staining, PCR, and rapid diagnosti...

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Main Authors: Min Lim, Young Choe, Woong Jang
Format: Article
Language:English
Published: Bio-protocol LLC 2025-07-01
Series:Bio-Protocol
Online Access:https://bio-protocol.org/en/bpdetail?id=5375&type=0
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author Min Lim
Young Choe
Woong Jang
author_facet Min Lim
Young Choe
Woong Jang
author_sort Min Lim
collection DOAJ
description Malaria remains a major public health threat, especially in tropical and subtropical regions. Accurate and rapid diagnosis is essential for effective disease management and control, yet conventional malaria diagnostics, including blood smear microscopy using Giemsa staining, PCR, and rapid diagnostic tests (RDTs), are limited by the need for trained personnel, reliance on laboratory infrastructure, and reduced sensitivity at low parasite densities, respectively. This protocol details an innovative, rapid, and economical diagnostic platform combining a simplified Chelex-100 resin-based nucleic acid extraction method with a multiplex loop-mediated isothermal amplification microscanner (LAMP-MS) assay. The malaria diagnostic platform enables simultaneous detection of Plasmodium falciparum (Pf), Plasmodium vivax (Pv), pan-malaria (Pan), and an internal control (IC) within 40 min, from DNA extraction to result interpretation. It demonstrates sensitivity and specificity comparable to traditional PCR-based diagnostics, making it a practical and scalable solution for use in resource-constrained environments.
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spelling doaj-art-16ea0f706c7b4cfb826a723e7d3138d42025-08-20T02:37:20ZengBio-protocol LLCBio-Protocol2331-83252025-07-01151310.21769/BioProtoc.5375Rapid and Multiplex Diagnosis of Malaria Using Chelex-100 Extraction and LAMP-MS AssayMin Lim0Young Choe1Woong Jang2Department of Health and Safety Convergence Science, Korea University, Seoul, KoreaDepartment of Laboratory Medicine, Korea University Guro Hospital, Seoul, KoreaDepartment of Laboratory Medicine, Korea University Guro Hospital, Seoul, KoreaDepartment of Emergency Medicine, Korea University Guro Hospital, Seoul, KoreaMalaria remains a major public health threat, especially in tropical and subtropical regions. Accurate and rapid diagnosis is essential for effective disease management and control, yet conventional malaria diagnostics, including blood smear microscopy using Giemsa staining, PCR, and rapid diagnostic tests (RDTs), are limited by the need for trained personnel, reliance on laboratory infrastructure, and reduced sensitivity at low parasite densities, respectively. This protocol details an innovative, rapid, and economical diagnostic platform combining a simplified Chelex-100 resin-based nucleic acid extraction method with a multiplex loop-mediated isothermal amplification microscanner (LAMP-MS) assay. The malaria diagnostic platform enables simultaneous detection of Plasmodium falciparum (Pf), Plasmodium vivax (Pv), pan-malaria (Pan), and an internal control (IC) within 40 min, from DNA extraction to result interpretation. It demonstrates sensitivity and specificity comparable to traditional PCR-based diagnostics, making it a practical and scalable solution for use in resource-constrained environments.https://bio-protocol.org/en/bpdetail?id=5375&type=0
spellingShingle Min Lim
Young Choe
Woong Jang
Rapid and Multiplex Diagnosis of Malaria Using Chelex-100 Extraction and LAMP-MS Assay
Bio-Protocol
title Rapid and Multiplex Diagnosis of Malaria Using Chelex-100 Extraction and LAMP-MS Assay
title_full Rapid and Multiplex Diagnosis of Malaria Using Chelex-100 Extraction and LAMP-MS Assay
title_fullStr Rapid and Multiplex Diagnosis of Malaria Using Chelex-100 Extraction and LAMP-MS Assay
title_full_unstemmed Rapid and Multiplex Diagnosis of Malaria Using Chelex-100 Extraction and LAMP-MS Assay
title_short Rapid and Multiplex Diagnosis of Malaria Using Chelex-100 Extraction and LAMP-MS Assay
title_sort rapid and multiplex diagnosis of malaria using chelex 100 extraction and lamp ms assay
url https://bio-protocol.org/en/bpdetail?id=5375&type=0
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