{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,14]],"date-time":"2026-02-14T14:30:16Z","timestamp":1771079416884,"version":"3.50.1"},"reference-count":52,"publisher":"AIP Publishing","issue":"12","license":[{"start":{"date-parts":[[2024,12,11]],"date-time":"2024-12-11T00:00:00Z","timestamp":1733875200000},"content-version":"vor","delay-in-days":10,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2024,12,11]],"date-time":"2024-12-11T00:00:00Z","timestamp":1733875200000},"content-version":"tdm","delay-in-days":10,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2024,12,1]]},"abstract":"<jats:p>This paper designs a biophotonic sensor that utilizes the localized surface plasmon resonance (LSPR) effect to detect Shigella sonnei (S. sonnei) with high sensitivity, featuring a novel crayfish-type optical fiber structure. Diseases and food safety caused by S. sonnei have become a public health issue of common concern around the world. This sensor is specifically designed for the detection of S. sonnei. This sensor has the advantage of being easy to operate, requires no labeling, and has high specificity. Excite the LSPR effect using gold nanoparticles (AuNPs). To enhance the LSPR effect, a fusion structure of multimode fiber and seven-core fiber was utilized, as was a crayfish-type optical fiber structure. Using Rsoft to simulate the crayfish-type optical fiber structure, it is concluded that the structure has excellent evanescent field. S. sonnei antibodies were used to improve the specificity of the sensor. Tungsten disulfide thin layer (WS2-thin layer) and zinc oxide nanowires were used to increase the surface area for antibody attachment. The linear range of the sensor was 1 \u00d7 100\u20131 \u00d7 107 CFU\/ml, the sensitivity was 0.378 nm\/lg (CFU\/ml), and the limit of detection was 4.78 CFU\/ml. The reproducibility, reusability, selectivity, and stability of the sensor were tested. The test results showed that the sensor had excellent performance. In addition, the sensor was tested with real food samples. This research has far-reaching significance for biophotonic sensors and human health.<\/jats:p>","DOI":"10.1063\/5.0242975","type":"journal-article","created":{"date-parts":[[2024,12,11]],"date-time":"2024-12-11T21:20:43Z","timestamp":1733952043000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":2,"title":["Multimodal LSPR-enhanced crayfish-type optical fiber sensor for ultra-sensitive detection of <i>Shigella sonnei<\/i> using hybrid nanomaterials"],"prefix":"10.1063","volume":"9","author":[{"given":"Qi","family":"Zhang","sequence":"first","affiliation":[{"name":"Shandong Key Laboratory of Optical Communication Science and Technology, School of Physics Science and Information Technology, Liaocheng University 1 , Liaocheng 252059,","place":["China"]}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9677-3582","authenticated-orcid":false,"given":"Ragini","family":"Singh","sequence":"additional","affiliation":[{"name":"Department of Biotechnology, Koneru Lakshmaiah Education Foundation, Vaddeswaram 2 , Andhra Pradesh 522302,","place":["India"]}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7459-2043","authenticated-orcid":false,"given":"Jan","family":"Nedoma","sequence":"additional","affiliation":[{"name":"Department of Telecommunications, VSB \u2013 Technical University of Ostrava 3 , Ostrava 70800,","place":["Czech Republic"]}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7900-0422","authenticated-orcid":false,"given":"Rui","family":"Min","sequence":"additional","affiliation":[{"name":"Department of Psychology, Faculty of Arts and Sciences, Beijing Normal University 4 , Zhuhai 519087, and , Beijing 100875,","place":["China China"]},{"name":"Faculty of Psychology, Beijing Normal University 4 , Zhuhai 519087, and , Beijing 100875,","place":["China China"]}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8596-5092","authenticated-orcid":false,"given":"Carlos","family":"Marques","sequence":"additional","affiliation":[{"name":"CICECO \u2013 Aveiro Institute of Materials, Physics Department, University of Aveiro 5 , 3810-193 Aveiro,","place":["Portugal"]},{"name":"Department of Physics, VSB \u2013 Technical University of Ostrava 6 , Ostrava 70800,","place":["Czech Republic"]}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6354-8095","authenticated-orcid":false,"given":"Bingyuan","family":"Zhang","sequence":"additional","affiliation":[{"name":"Shandong Key Laboratory of Optical Communication Science and Technology, School of Physics Science and Information Technology, Liaocheng University 1 , Liaocheng 252059,","place":["China"]}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4149-0096","authenticated-orcid":false,"given":"Santosh","family":"Kumar","sequence":"additional","affiliation":[{"name":"Centre of Excellence for Nanotechnology, Department of Electronics and Communication Engineering, Koneru Lakshmaiah Education Foundation, Vaddeswaram 7 , Andhra Pradesh 522302,","place":["India"]}]}],"member":"317","published-online":{"date-parts":[[2024,12,11]]},"reference":[{"issue":"5","key":"2024121121203037000_c1","doi-asserted-by":"publisher","first-page":"1717","DOI":"10.1021\/acssensors.1c00481","article-title":"Electrochemical sensors to detect bacterial foodborne pathogens","volume":"6","year":"2021","journal-title":"ACS Sens."},{"issue":"7","key":"2024121121203037000_c2","doi-asserted-by":"publisher","first-page":"e481","DOI":"10.1016\/s2666-5247(22)00160-4","article-title":"Increase in extensively drug resistant Shigella sonnei in Europe","volume":"3","year":"2022","journal-title":"Lancet Microbe"},{"key":"2024121121203037000_c3","doi-asserted-by":"publisher","first-page":"104822","DOI":"10.1016\/j.ebiom.2023.104822","article-title":"Escherichia coli killing by epidemiologically successful sublineages of Shigella sonnei is mediated by colicins","volume":"97","year":"2023","journal-title":"eBioMedicine"},{"issue":"5","key":"2024121121203037000_c4","doi-asserted-by":"publisher","first-page":"289","DOI":"10.1016\/j.ijmm.2009.10.008","article-title":"Interference of the CadC regulator in the arginine-dependent acid resistance system of Shigella and enteroinvasive E. coli","volume":"300","year":"2010","journal-title":"Int. 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