{"title":"Organic Dye-Based Powder for the Visualization of the Latent Fingerprints and Cyanide Detection","authors":"Vishakha Thakur, Sanjeev Kumar, Sheikh Showkat Ahmad, Rashmi Sharma, Satwinderjeet Kaur, Gaurav Bhargava, Prabhpreet Singh","doi":"10.1002/slct.202500753","DOIUrl":null,"url":null,"abstract":"<p>We report the multistep synthesis of small molecule based yellow color powder (<b>VT1</b>) consisting of thiourea and ─NO<sub>2</sub> groups for the detection of CN<sup>−</sup> in a 10% HEPES buffer–CH<sub>3</sub>CN solution and for the visualization of the latent fingerprints (LFPs) in daylight using powder dusting method. The minimum limit of detection for CN<sup>−</sup> ion is 1.47 × 10<sup>−7</sup> M. We demonstrated the suitability of <b>VT1</b> powder for the development and visualization of the LFPs on porous, nonporous surfaces to obtain information of levels 1–3 and for airlifting of developed fingerprints using adhesive scotch-tape. <b>VT1</b> is nontoxic and biocompatible with HeLa cells (IC<sub>50</sub> = 48.77).</p>","PeriodicalId":146,"journal":{"name":"ChemistrySelect","volume":"10 13","pages":""},"PeriodicalIF":2.0000,"publicationDate":"2025-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"ChemistrySelect","FirstCategoryId":"92","ListUrlMain":"https://chemistry-europe.onlinelibrary.wiley.com/doi/10.1002/slct.202500753","RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
We report the multistep synthesis of small molecule based yellow color powder (VT1) consisting of thiourea and ─NO2 groups for the detection of CN− in a 10% HEPES buffer–CH3CN solution and for the visualization of the latent fingerprints (LFPs) in daylight using powder dusting method. The minimum limit of detection for CN− ion is 1.47 × 10−7 M. We demonstrated the suitability of VT1 powder for the development and visualization of the LFPs on porous, nonporous surfaces to obtain information of levels 1–3 and for airlifting of developed fingerprints using adhesive scotch-tape. VT1 is nontoxic and biocompatible with HeLa cells (IC50 = 48.77).
期刊介绍：
ChemistrySelect is the latest journal from ChemPubSoc Europe and Wiley-VCH. It offers researchers a quality society-owned journal in which to publish their work in all areas of chemistry. Manuscripts are evaluated by active researchers to ensure they add meaningfully to the scientific literature, and those accepted are processed quickly to ensure rapid online publication.
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