Correction: Peters et al. Benchmarking the ACEnano Toolbox for Characterisation of Nanoparticle Size and Concentration by Interlaboratory Comparison. Molecules 2021, 26, 5315

Peters, Ruud; Elbers, I.J.W.; Undas, Anna K.; Sijtsma, Eelco; Briffa, Sophie Marie; Carnell-Morris, Pauline; Siupa, Agnieszka; Yoon, Tae-Hyun; Burr, Loïc; Schmid, David; Tentschert, Jutta; Hachenberger, Yves; Jungnickel, Harald; Luch, Andreas; Meier, Florian; Kocic, Jovana; Kim, Jaeseok; Park, Byong Chon; Hardy, Barry; Johnston, Colin; Jurkschat, Kerstin; Radnik, Jörg; Hodoroabă, Vasile-Dan; Lynch, Iseult; Valsami-Jones, Eugénia

doi:10.3390/molecules27154849

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“…Trueness as a z-score was evaluated by analyzing the ACEnano PT samples in parallel for each experimental run to evaluate the laboratory bias ( 35 ). Relative trueness of particle number concentration and mean size was determined to be 112 and 94%, respectively, corresponding to satisfactory z-scores of 0.3 and 0.6.…”

Section: Resultsmentioning

confidence: 99%

“…Ionic standards were stored at room temperature and NP standards were stored in a refrigerator at 4°C for approximately 18 months. The reference samples for the ACEnano proficiency test (PTs) were used to determine trueness as a z-score for Au NPs in UPW (Institute of Food Safety (RIKILT) 2018–02; 35 ). For the method demonstration on NPs of Ti, Cr, and Cu, ICP standards of ionic Ti from Spectrascan (SS-1164), Cr from Fluka Analytical (68131), and Cu from Sigma-Aldrich (68921) were used.…”

Section: Methodsmentioning

confidence: 99%

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Validation of a Method for Surveillance of Nanoparticles in Mussels Using Single-Particle Inductively Coupled Plasma-Mass Spectrometry

Bruvold,

Valdersnes,

Loeschner

et al. 2024

Journal of AOAC International

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Background Determining the concentration of nanoparticles in marine organisms is important for evaluating their environmental impact and to assess potential food safety risks to human health. Objective The current work aimed at developing an in-house method based on single particle inductively coupled plasma mass spectrometry suitable for surveillance of nanoparticles in mussels. Method A new low-cost and simple protease mixture was utilized for sample digestion, and a novel open-source data processing was used, establishing detection limits on a statistical basis using false positive and false negative probabilities. The method was validated for 30 and 60 nm gold nanoparticles spiked to mussels as a proxy for seafood. Results Recoveries were 76–77% for particle mass concentration and 94–101% for particle number concentration. Intermediate precision was 8–9% for particle mass concentration and 7–8% for particle number concentration. Detection limits for size was 18 nm and for concentration 1.7 ng/g and 4.2 x 105 particles/g mussel tissue. Conclusion The performance characteristics of the method were satisfying compared with numeric Codex criteria. Further, the method was applied to titanium-, chromium- and copper-based particles in mussels. Highlights The method demonstrates a new practical and cost-effective sample treatment and streamlined, transparent and reproducible data treatment for the routine surveillance of NPs in mussels.

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Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Validation of a Method for Surveillance of Nanoparticles in Mussels Using Single-Particle Inductively Coupled Plasma-Mass Spectrometry

Bruvold,

Valdersnes,

Loeschner

et al. 2024

Journal of AOAC International

View full text Add to dashboard Cite

show abstract

Correction: Peters et al. Benchmarking the ACEnano Toolbox for Characterisation of Nanoparticle Size and Concentration by Interlaboratory Comparison. Molecules 2021, 26, 5315

Abstract: Due to miscommunication a number of potential co-authors were not listed in the original publication [...]

Cited by 1 publication

References 1 publication

Validation of a Method for Surveillance of Nanoparticles in Mussels Using Single-Particle Inductively Coupled Plasma-Mass Spectrometry

Validation of a Method for Surveillance of Nanoparticles in Mussels Using Single-Particle Inductively Coupled Plasma-Mass Spectrometry

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