Distance-Based Paper Device Combined with Headspace Extraction for Determination of Cyanide
We report for the first time a distance-based paper device based on gold/silver core shell nanoparticles (Au@Ag NPs) for a simple, inexpensive, instrument-free, and portable determination of cyanide by the naked eye. Au@Ag NPs immobilized on a paper channel were etched by cyanide ions so that a yell...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2019-05-01
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| Series: | Sensors |
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| Online Access: | https://www.mdpi.com/1424-8220/19/10/2340 |
| _version_ | 1811301494934208512 |
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| author | Papichaya Khatha Thanyarat Phutthaphongloet Phenphitcha Timpa Benjawan Ninwong Kamolwich Income Nalin Ratnarathorn Wijitar Dungchai |
| author_facet | Papichaya Khatha Thanyarat Phutthaphongloet Phenphitcha Timpa Benjawan Ninwong Kamolwich Income Nalin Ratnarathorn Wijitar Dungchai |
| author_sort | Papichaya Khatha |
| collection | DOAJ |
| description | We report for the first time a distance-based paper device based on gold/silver core shell nanoparticles (Au@Ag NPs) for a simple, inexpensive, instrument-free, and portable determination of cyanide by the naked eye. Au@Ag NPs immobilized on a paper channel were etched by cyanide ions so that a yellow color band length of Au@Ag NPs is proportional to a decrease in the cyanide concentration. Quantification is achieved by measuring color length, thus eliminating the need to differentiate hues and intensities by the user, and the processing data of each imaging device. Moreover, the paper-based headspace extraction was combined with the distance-based paper device to improve the sensitivity. The enrichment factor was found to be 30-fold and the linearity was found in the range 0.05−1 mg L<sup>−1</sup>. The naked eye detection limit was 10 μg L<sup>−1</sup> where the World Health Organization (WHO) have regulated the maximum level of cyanide in drinking water as 70 μg L<sup>−1</sup>. Our proposed device also showed no interference from common cations and anions presenting in seawater and waste water including thiocyanate, chloride. Finally, our device has been successfully applied to determine cyanide ions in seawater, drinking water, tap water and wastewater providing satisfactory precision and accuracy. |
| first_indexed | 2024-04-13T07:09:50Z |
| format | Article |
| id | doaj.art-21973785884a49538d8eb88fb5c8c1eb |
| institution | Directory Open Access Journal |
| issn | 1424-8220 |
| language | English |
| last_indexed | 2024-04-13T07:09:50Z |
| publishDate | 2019-05-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Sensors |
| spelling | doaj.art-21973785884a49538d8eb88fb5c8c1eb2022-12-22T02:56:54ZengMDPI AGSensors1424-82202019-05-011910234010.3390/s19102340s19102340Distance-Based Paper Device Combined with Headspace Extraction for Determination of CyanidePapichaya Khatha0Thanyarat Phutthaphongloet1Phenphitcha Timpa2Benjawan Ninwong3Kamolwich Income4Nalin Ratnarathorn5Wijitar Dungchai6Organic Synthesis, Electrochemistry & Natural Product Research Unit, Department of Chemistry, Faculty of Science, King Mongkut’s University of Technology Thonburi, Prachautid Road, Thungkru, Bangkok 10140, ThailandOrganic Synthesis, Electrochemistry & Natural Product Research Unit, Department of Chemistry, Faculty of Science, King Mongkut’s University of Technology Thonburi, Prachautid Road, Thungkru, Bangkok 10140, ThailandOrganic Synthesis, Electrochemistry & Natural Product Research Unit, Department of Chemistry, Faculty of Science, King Mongkut’s University of Technology Thonburi, Prachautid Road, Thungkru, Bangkok 10140, ThailandOrganic Synthesis, Electrochemistry & Natural Product Research Unit, Department of Chemistry, Faculty of Science, King Mongkut’s University of Technology Thonburi, Prachautid Road, Thungkru, Bangkok 10140, ThailandOrganic Synthesis, Electrochemistry & Natural Product Research Unit, Department of Chemistry, Faculty of Science, King Mongkut’s University of Technology Thonburi, Prachautid Road, Thungkru, Bangkok 10140, ThailandOrganic Synthesis, Electrochemistry & Natural Product Research Unit, Department of Chemistry, Faculty of Science, King Mongkut’s University of Technology Thonburi, Prachautid Road, Thungkru, Bangkok 10140, ThailandOrganic Synthesis, Electrochemistry & Natural Product Research Unit, Department of Chemistry, Faculty of Science, King Mongkut’s University of Technology Thonburi, Prachautid Road, Thungkru, Bangkok 10140, ThailandWe report for the first time a distance-based paper device based on gold/silver core shell nanoparticles (Au@Ag NPs) for a simple, inexpensive, instrument-free, and portable determination of cyanide by the naked eye. Au@Ag NPs immobilized on a paper channel were etched by cyanide ions so that a yellow color band length of Au@Ag NPs is proportional to a decrease in the cyanide concentration. Quantification is achieved by measuring color length, thus eliminating the need to differentiate hues and intensities by the user, and the processing data of each imaging device. Moreover, the paper-based headspace extraction was combined with the distance-based paper device to improve the sensitivity. The enrichment factor was found to be 30-fold and the linearity was found in the range 0.05−1 mg L<sup>−1</sup>. The naked eye detection limit was 10 μg L<sup>−1</sup> where the World Health Organization (WHO) have regulated the maximum level of cyanide in drinking water as 70 μg L<sup>−1</sup>. Our proposed device also showed no interference from common cations and anions presenting in seawater and waste water including thiocyanate, chloride. Finally, our device has been successfully applied to determine cyanide ions in seawater, drinking water, tap water and wastewater providing satisfactory precision and accuracy.https://www.mdpi.com/1424-8220/19/10/2340distance-based paper devicepaper-based headspace extractioncyanide |
| spellingShingle | Papichaya Khatha Thanyarat Phutthaphongloet Phenphitcha Timpa Benjawan Ninwong Kamolwich Income Nalin Ratnarathorn Wijitar Dungchai Distance-Based Paper Device Combined with Headspace Extraction for Determination of Cyanide Sensors distance-based paper device paper-based headspace extraction cyanide |
| title | Distance-Based Paper Device Combined with Headspace Extraction for Determination of Cyanide |
| title_full | Distance-Based Paper Device Combined with Headspace Extraction for Determination of Cyanide |
| title_fullStr | Distance-Based Paper Device Combined with Headspace Extraction for Determination of Cyanide |
| title_full_unstemmed | Distance-Based Paper Device Combined with Headspace Extraction for Determination of Cyanide |
| title_short | Distance-Based Paper Device Combined with Headspace Extraction for Determination of Cyanide |
| title_sort | distance based paper device combined with headspace extraction for determination of cyanide |
| topic | distance-based paper device paper-based headspace extraction cyanide |
| url | https://www.mdpi.com/1424-8220/19/10/2340 |
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