Quantitation of the Fe spatial distribution in biological tissue by online double isotope dilution analysis with LA-ICP-MS: a strategy for estimating measurement uncertainty

2016 ◽  
Vol 31 (1) ◽  
pp. 270-279 ◽  
Author(s):  
David N. Douglas ◽  
Jennifer O'Reilly ◽  
Ciaran O'Connor ◽  
Barry L. Sharp ◽  
Heidi Goenaga-Infante

A strategy, systematically developed, is reported for the quantitative analysis of the Fe spatial distribution in biological tissue using laser ablation with ICP-MS and on-line double isotope dilution analysis.

2014 ◽  
Vol 851 ◽  
pp. 64-71 ◽  
Author(s):  
Beatriz Fernández ◽  
Pablo Rodríguez-González ◽  
J. Ignacio García Alonso ◽  
Julien Malherbe ◽  
Sergio García-Fonseca ◽  
...  

2019 ◽  
Vol 34 (2) ◽  
pp. 407-412 ◽  
Author(s):  
David Clases ◽  
Raquel Gonzalez de Vega ◽  
Paul A. Adlard ◽  
Philip A. Doble

We present a novel on-line isotope dilution analysis (IDA) approach for the quantification of isotopically enriched metal labels used in immunohistochemical assisted imaging mass spectrometry.


1998 ◽  
Vol 70 (5) ◽  
pp. 1036-1040 ◽  
Author(s):  
August A. Specht ◽  
Diane Beauchemin

2019 ◽  
Vol 411 (16) ◽  
pp. 3553-3560 ◽  
Author(s):  
David Clases ◽  
Raquel Gonzalez de Vega ◽  
David Bishop ◽  
Philip Doble

2017 ◽  
Vol 51 (2) ◽  
pp. 157-165
Author(s):  
Le Zhang ◽  
Zhong-Yuan Ren ◽  
Jin-Long Ma ◽  
Xiao-Ping Xia

Chemosensors ◽  
2021 ◽  
Vol 9 (4) ◽  
pp. 77
Author(s):  
Davide Spanu ◽  
Gilberto Binda ◽  
Marcello Marelli ◽  
Laura Rampazzi ◽  
Sandro Recchia ◽  
...  

A laser ablation–inductively coupled plasma–mass spectrometry (LA–ICP–MS) based method is proposed for the quantitative determination of the spatial distribution of metal nanoparticles (NPs) supported on planar substrates. The surface is sampled using tailored ablation patterns and the data are used to define three-dimensional functions describing the spatial distribution of NPs. The volume integrals of such interpolated surfaces are calibrated to obtain the mass distribution of Ag NPs by correlation with the total mass of metal as determined by metal extraction and ICP–MS analysis. Once this mass calibration is carried out on a sacrificial sample, quantifications can be performed over multiple samples by a simple micro-destructive LA–ICP–MS analysis without requiring the extraction/dissolution of metal NPs. The proposed approach is here tested using a model sample consisting of a low-density polyethylene (LDPE) disk decorated with silver NPs, achieving high spatial resolution over cm2-sized samples and very high sensitivity. The developed method is accordingly a useful analytical tool for applications requiring both the total mass and the spatial distribution of metal NPs to be determined without damaging the sample surface (e.g., composite functional materials and NPs, decorated catalysts or electrodic materials).


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