K Bhuvaneshwari, B Elizabeth Caroline, J Vidhya, K Sagadevan
{"title":"Design and Analysis of a Novel Nanoscale 2D Photonic Crystal Structure for Enhanced Multi-Disorder Biosensing.","authors":"K Bhuvaneshwari, B Elizabeth Caroline, J Vidhya, K Sagadevan","doi":"10.1002/jbio.202500130","DOIUrl":null,"url":null,"abstract":"<p><p>A 2D nano-scale multipurpose diamond-shaped ring resonator photonic crystal (PhC) biosensor with 15 × 11 circular silicon (Si) rods in a triangular lattice arrangement is proposed in this article. The distinct feature of the suggested biosensor is the design of a nano-cavity with two different rod radii. The designed biosensor is intended for identifying diabetic blood samples, malaria, and chikungunya virus. The proposed biosensor achieves a high quality factor (QF) of 8080, a high sensitivity (S) of 1108 nm/RIU with a low detection limit (DL) of 9.02 × 10<sup>-6</sup> RIU, towards breast cancer analysis. The QF, S, and DL of the biosensor for the diabetic blood sample are 6963, 1087 nm/RIU, and 1.01 × 10<sup>-5</sup> RIU respectively. The highest QF and sensitivity of the biosensor are 8561 and 1121.6 nm/RIU respectively, towards malarial detection. A high QF of 9129.4 and a high sensitivity of 1166.9 is achieved for infected plasma towards chikungunya virus detection.</p>","PeriodicalId":94068,"journal":{"name":"Journal of biophotonics","volume":" ","pages":"e70068"},"PeriodicalIF":0.0000,"publicationDate":"2025-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of biophotonics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1002/jbio.202500130","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
A 2D nano-scale multipurpose diamond-shaped ring resonator photonic crystal (PhC) biosensor with 15 × 11 circular silicon (Si) rods in a triangular lattice arrangement is proposed in this article. The distinct feature of the suggested biosensor is the design of a nano-cavity with two different rod radii. The designed biosensor is intended for identifying diabetic blood samples, malaria, and chikungunya virus. The proposed biosensor achieves a high quality factor (QF) of 8080, a high sensitivity (S) of 1108 nm/RIU with a low detection limit (DL) of 9.02 × 10-6 RIU, towards breast cancer analysis. The QF, S, and DL of the biosensor for the diabetic blood sample are 6963, 1087 nm/RIU, and 1.01 × 10-5 RIU respectively. The highest QF and sensitivity of the biosensor are 8561 and 1121.6 nm/RIU respectively, towards malarial detection. A high QF of 9129.4 and a high sensitivity of 1166.9 is achieved for infected plasma towards chikungunya virus detection.
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