| Title: | Recovery study of gold nanoparticle markers from lateral flow immunoassays |
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| Authors: | ID Švarc, Tilen (Author)
ID Majerič, Peter (Author)
ID Feizpour, Darja (Author)
ID Jelen, Žiga (Author)
ID Zadravec, Matej (Author)
ID Gomboc, Timi (Author)
ID Rudolf, Rebeka (Author) |
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| Files: |  Svarc-2023-Recovery_Study_of_Gold_Nanoparticle.pdf (6,25 MB)
MD5: AD5338F67043F66DAF3E152D5C96E931
 https://doi.org/10.3390/ma16175770
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| Language: | English |
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| Work type: | Article |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: | FS - Faculty of Mechanical Engineering
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| Abstract: | Lateral flow immunoassays (LFIAs) are a simple diagnostic device used to detect targeted analytes. Wasted and unused rapid antigen lateral flow immunoassays represent mass waste that needs to be broken down and recycled into new material components. The aim of this study was to recover gold nanoparticles that are used as markers in lateral flow immunoassays. For this purpose, a dissolution process with aqua regia was utilised, where gold nanoparticles were released from the lateral flow immunoassay conjugate pads. The obtained solution was then concentrated further with gold chloride salt (HAuCl4) so that it could be used for the synthesis of new gold nanoparticles in the process of ultrasonic spray pyrolysis (USP). Various characterisation methods including scanning electron microscopy, transmission electron microscopy, ultraviolet-visible spectroscopy and optical emission spectrometry with inductively coupled plasma were used during this study. The results of this study showed that the recovery of gold nanoparticles from lateral flow immunoassays is possible, and the newly synthesised gold nanoparticles represent the possibility for incorporation into new products. |
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| Keywords: | gold nanoparticles, recovery, LFIA, ultrasonic spray pyrolysis, characterisation |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Submitted for review: | 01.08.2023 |
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| Article acceptance date: | 22.08.2023 |
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| Publication date: | 23.08.2023 |
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| Publisher: | MDPI |
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| Year of publishing: | 2023 |
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| Number of pages: | Str. 1-12 |
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| Numbering: | Letn. 16, Št. 17, št. članka 5770 |
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| PID: | 20.500.12556/DKUM-86990  |
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| UDC: | 620.3:669.21 |
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| ISSN on article: | 1996-1944 |
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| COBISS.SI-ID: | 162504195 |
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| DOI: | 10.3390/ma16175770 |
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| Publication date in DKUM: | 09.02.2024 |
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| Views: | 579 |
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| Downloads: | 34 |
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| Metadata: |    |
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| Categories: | Misc.
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