M. Martínez-García, J. Pichardo-Molina, N. Arzate-Plata, J. J. Alvarado-Gil
{"title":"Concave gold nanoparticles on aluminum as surface enhanced Raman spectroscopy substrate for detection of thiram","authors":"M. Martínez-García, J. Pichardo-Molina, N. Arzate-Plata, J. J. Alvarado-Gil","doi":"10.1177/18479804221082778","DOIUrl":null,"url":null,"abstract":"We report a simple preparation of surface enhanced Raman spectroscopy (SERS) substrates with gold concave nanocubes of different sizes, deposited onto aluminum slides. The SERS substrates were characterized using 4-Aminothiophenol. Resulting in that the substrate prepared with 55 nm nanocubes exhibits the higher analytical enhancement factor (AEF), 1.5 × 106. Moreover, the SERS substrates’ performance was also evaluated for thiram detection using a series of water and tomato juice samples spiked with the pesticide. Our results show that the excellent performance of the substrate allows the detection of thiram with high sensitivity. The substrates were able to detect thiram with a limit of detection of 7 ppm and 14 ppm, respectively, in water and tomato juice. Our preliminary results open the possibility of using our methodology to detect diverse pollutants of interest.","PeriodicalId":19018,"journal":{"name":"Nanomaterials and Nanotechnology","volume":null,"pages":null},"PeriodicalIF":3.1000,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nanomaterials and Nanotechnology","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.1177/18479804221082778","RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
We report a simple preparation of surface enhanced Raman spectroscopy (SERS) substrates with gold concave nanocubes of different sizes, deposited onto aluminum slides. The SERS substrates were characterized using 4-Aminothiophenol. Resulting in that the substrate prepared with 55 nm nanocubes exhibits the higher analytical enhancement factor (AEF), 1.5 × 106. Moreover, the SERS substrates’ performance was also evaluated for thiram detection using a series of water and tomato juice samples spiked with the pesticide. Our results show that the excellent performance of the substrate allows the detection of thiram with high sensitivity. The substrates were able to detect thiram with a limit of detection of 7 ppm and 14 ppm, respectively, in water and tomato juice. Our preliminary results open the possibility of using our methodology to detect diverse pollutants of interest.
期刊介绍:
Nanomaterials and Nanotechnology is a JCR ranked, peer-reviewed open access journal addressed to a cross-disciplinary readership including scientists, researchers and professionals in both academia and industry with an interest in nanoscience and nanotechnology. The scope comprises (but is not limited to) the fundamental aspects and applications of nanoscience and nanotechnology