Immunomagnetic Separation of Salmonella Typhimurium Based on Microfluidic Chip

This study developed an immunomagnetic separation microfluidic system for rapid isolation and enrichment of Salmonella typhimurium. The system consisted of a microfluidic chip, a microcontroller, and an electromagnetic separation and mixing module, which had the functions of electromagnetically driv...

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Main Author: JIN Yan, WANG Jingyi, CHENG Jianing, YU Lemin, ZHANG Bichen, ZHANG Yibo, XU Tongyu
Format: Article
Language:English
Published: China Food Publishing Company 2025-01-01
Series:Shipin Kexue
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Online Access:https://www.spkx.net.cn/fileup/1002-6630/PDF/2025-46-1-023.pdf
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author JIN Yan, WANG Jingyi, CHENG Jianing, YU Lemin, ZHANG Bichen, ZHANG Yibo, XU Tongyu
author_facet JIN Yan, WANG Jingyi, CHENG Jianing, YU Lemin, ZHANG Bichen, ZHANG Yibo, XU Tongyu
author_sort JIN Yan, WANG Jingyi, CHENG Jianing, YU Lemin, ZHANG Bichen, ZHANG Yibo, XU Tongyu
collection DOAJ
description This study developed an immunomagnetic separation microfluidic system for rapid isolation and enrichment of Salmonella typhimurium. The system consisted of a microfluidic chip, a microcontroller, and an electromagnetic separation and mixing module, which had the functions of electromagnetically driven mixing and magnetic separation. It enabled rapid incubation, isolation and enrichment of immunomagnetic beads with Salmonella typhimurium. Under the optimal conditions, the rapid capture and separation of Salmonella typhimurium in milk samples in the concentration range from 2 × 101 to 2 × 106 CFU/mL were achieved within 13 min, with capture rates between 33.3% and 67.5%. The limit of detection was 20 CFU/mL. This highly integrated immunomagnetic separation microfluidic system can enrich target bacteria from complex food matrices rapidly and accurately, thus providing an effective solution for the rapid detection of foodborne pathogenic bacteria, which is of great significance in addressing public health problems caused by foodborne diseases.
format Article
id doaj-art-de450d66d2bb48eeabc999d29b087257
institution Kabale University
issn 1002-6630
language English
publishDate 2025-01-01
publisher China Food Publishing Company
record_format Article
series Shipin Kexue
spelling doaj-art-de450d66d2bb48eeabc999d29b0872572025-02-05T09:08:12ZengChina Food Publishing CompanyShipin Kexue1002-66302025-01-0146120020910.7506/spkx1002-6630-20240110-099Immunomagnetic Separation of Salmonella Typhimurium Based on Microfluidic ChipJIN Yan, WANG Jingyi, CHENG Jianing, YU Lemin, ZHANG Bichen, ZHANG Yibo, XU Tongyu0(1. College of Information and Electrical Engineering, Shenyang Agricultural University, Shenyang 110866, China; 2. College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang 110866, China)This study developed an immunomagnetic separation microfluidic system for rapid isolation and enrichment of Salmonella typhimurium. The system consisted of a microfluidic chip, a microcontroller, and an electromagnetic separation and mixing module, which had the functions of electromagnetically driven mixing and magnetic separation. It enabled rapid incubation, isolation and enrichment of immunomagnetic beads with Salmonella typhimurium. Under the optimal conditions, the rapid capture and separation of Salmonella typhimurium in milk samples in the concentration range from 2 × 101 to 2 × 106 CFU/mL were achieved within 13 min, with capture rates between 33.3% and 67.5%. The limit of detection was 20 CFU/mL. This highly integrated immunomagnetic separation microfluidic system can enrich target bacteria from complex food matrices rapidly and accurately, thus providing an effective solution for the rapid detection of foodborne pathogenic bacteria, which is of great significance in addressing public health problems caused by foodborne diseases.https://www.spkx.net.cn/fileup/1002-6630/PDF/2025-46-1-023.pdfsalmonella typhimurium; immunomagnetic beads; immunomagnetic separation; active electromagnetic mixing; microfluidics chip
spellingShingle JIN Yan, WANG Jingyi, CHENG Jianing, YU Lemin, ZHANG Bichen, ZHANG Yibo, XU Tongyu
Immunomagnetic Separation of Salmonella Typhimurium Based on Microfluidic Chip
Shipin Kexue
salmonella typhimurium; immunomagnetic beads; immunomagnetic separation; active electromagnetic mixing; microfluidics chip
title Immunomagnetic Separation of Salmonella Typhimurium Based on Microfluidic Chip
title_full Immunomagnetic Separation of Salmonella Typhimurium Based on Microfluidic Chip
title_fullStr Immunomagnetic Separation of Salmonella Typhimurium Based on Microfluidic Chip
title_full_unstemmed Immunomagnetic Separation of Salmonella Typhimurium Based on Microfluidic Chip
title_short Immunomagnetic Separation of Salmonella Typhimurium Based on Microfluidic Chip
title_sort immunomagnetic separation of salmonella typhimurium based on microfluidic chip
topic salmonella typhimurium; immunomagnetic beads; immunomagnetic separation; active electromagnetic mixing; microfluidics chip
url https://www.spkx.net.cn/fileup/1002-6630/PDF/2025-46-1-023.pdf
work_keys_str_mv AT jinyanwangjingyichengjianingyuleminzhangbichenzhangyiboxutongyu immunomagneticseparationofsalmonellatyphimuriumbasedonmicrofluidicchip