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@article{Minelli:2022:10.1039/d1nr07775a,
author = {Minelli, C and Wywijas, M and Bartczak, D and Cuello-Nuñez, S and Infante, HG and Deumer, J and Gollwitzer, C and Krumrey, M and Murphy, KE and Johnson, ME and Montoro, Bustos AR and Strenge, IH and Faure, B and Høghøj, P and Tong, V and Burr, L and Norling, K and Höök, F and Roesslein, M and Kocic, J and Hendriks, L and Kestens, V and Ramaye, Y and Contreras, Lopez MC and Auclair, G and Mehn, D and Gilliland, D and Potthoff, A and Oelschlägel, K and Tentschert, J and Jungnickel, H and Krause, BC and Hachenberger, YU and Reichardt, P and Luch, A and Whittaker, TE and Stevens, MM and Gupta, S and Singh, A and Lin, F-H and Liu, Y-H and Costa, AL and Baldisserri, C and Jawad, R and Andaloussi, SEL and Holme, MN and Lee, TG and Kwak, M and Kim, J and Ziebel, J and Guignard, C and Cambier, S and Contal, S and Gutleb, AC and Kuba, Tatarkiewicz J and Jankiewicz, BJ and Bartosewicz, B and Wu, X and Fagan, JA and Elje, E and Rundén-Pran, E and Dusinska, M and Kaur, IP and Price, D and Nesbitt, },
doi = {10.1039/d1nr07775a},
journal = {Nanoscale},
pages = {4690--4704},
title = {Versailles project on advanced materials and standards (VAMAS) interlaboratory study on measuring the number concentration of colloidal gold nanoparticles},
url = {http://dx.doi.org/10.1039/d1nr07775a},
volume = {14},
year = {2022}
}

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TY  - JOUR
AB  - We describe the outcome of a large international interlaboratory study of the measurement of particle number concentration of colloidal nanoparticles, project 10 of the technical working area 34, "Nanoparticle Populations" of the Versailles Project on Advanced Materials and Standards (VAMAS). A total of 50 laboratories delivered results for the number concentration of 30 nm gold colloidal nanoparticles measured using particle tracking analysis (PTA), single particle inductively coupled plasma mass spectrometry (spICP-MS), ultraviolet-visible (UV-Vis) light spectroscopy, centrifugal liquid sedimentation (CLS) and small angle X-ray scattering (SAXS). The study provides quantitative data to evaluate the repeatability of these methods and their reproducibility in the measurement of number concentration of model nanoparticle systems following a common measurement protocol. We find that the population-averaging methods of SAXS, CLS and UV-Vis have high measurement repeatability and reproducibility, with between-labs variability of 2.6%, 11% and 1.4% respectively. However, results may be significantly biased for reasons including inaccurate material properties whose values are used to compute the number concentration. Particle-counting method results are less reproducibile than population-averaging methods, with measured between-labs variability of 68% and 46% for PTA and spICP-MS respectively. This study provides the stakeholder community with important comparative data to underpin measurement reproducibility and method validation for number concentration of nanoparticles.
AU  - Minelli,C
AU  - Wywijas,M
AU  - Bartczak,D
AU  - Cuello-Nuñez,S
AU  - Infante,HG
AU  - Deumer,J
AU  - Gollwitzer,C
AU  - Krumrey,M
AU  - Murphy,KE
AU  - Johnson,ME
AU  - Montoro,Bustos AR
AU  - Strenge,IH
AU  - Faure,B
AU  - Høghøj,P
AU  - Tong,V
AU  - Burr,L
AU  - Norling,K
AU  - Höök,F
AU  - Roesslein,M
AU  - Kocic,J
AU  - Hendriks,L
AU  - Kestens,V
AU  - Ramaye,Y
AU  - Contreras,Lopez MC
AU  - Auclair,G
AU  - Mehn,D
AU  - Gilliland,D
AU  - Potthoff,A
AU  - Oelschlägel,K
AU  - Tentschert,J
AU  - Jungnickel,H
AU  - Krause,BC
AU  - Hachenberger,YU
AU  - Reichardt,P
AU  - Luch,A
AU  - Whittaker,TE
AU  - Stevens,MM
AU  - Gupta,S
AU  - Singh,A
AU  - Lin,F-H
AU  - Liu,Y-H
AU  - Costa,AL
AU  - Baldisserri,C
AU  - Jawad,R
AU  - Andaloussi,SEL
AU  - Holme,MN
AU  - Lee,TG
AU  - Kwak,M
AU  - Kim,J
AU  - Ziebel,J
AU  - Guignard,C
AU  - Cambier,S
AU  - Contal,S
AU  - Gutleb,AC
AU  - Kuba,Tatarkiewicz J
AU  - Jankiewicz,BJ
AU  - Bartosewicz,B
AU  - Wu,X
AU  - Fagan,JA
AU  - Elje,E
AU  - Rundén-Pran,E
AU  - Dusinska,M
AU  - Kaur,IP
AU  - Price,D
AU  - Nesbitt,I
AU  - O,Reilly S
AU  - Peters,RJB
AU  - Bucher,G
AU  - Coleman,D
AU  - Harrison,AJ
AU  - Ghanem,A
AU  - Gering,A
AU  - McCarron,E
AU  - Fitzgerald,N
AU  - Cornelis,G
AU  - Tuoriniemi,J
AU  - Sakai,M
AU  - Tsuchida,H
AU  - Maguire,C
AU  - Prina-Mello,A
AU  - Lawlor,AJ
AU  - Adams,J
AU  - Schultz,CL
AU  - Constantin,D
AU  - Thanh,NTK
AU  - Tung,LD
AU  - Panariello,L
AU  - Damilos,S
AU  - Gavriilidis,A
AU  - Lynch,I
AU  - Fryer,B
AU  - Carrazco,Quevedo A
AU  - Guggenheim,E
AU  - Briffa,S
AU  - Valsami-Jones,E
AU  - Huang,Y
AU  - Keller,AA
AU  - Kinnunen,V-T
AU  - Perämäki,S
AU  - Krpetic,Z
AU  - Greenwood,M
AU  - Shard,AG
DO  - 10.1039/d1nr07775a
EP  - 4704
PY  - 2022///
SN  - 2040-3364
SP  - 4690
TI  - Versailles project on advanced materials and standards (VAMAS) interlaboratory study on measuring the number concentration of colloidal gold nanoparticles
T2  - Nanoscale
UR  - http://dx.doi.org/10.1039/d1nr07775a
UR  - https://www.ncbi.nlm.nih.gov/pubmed/35262538
UR  - https://pubs.rsc.org/en/content/articlelanding/2022/NR/D1NR07775A
UR  - http://hdl.handle.net/10044/1/95893
VL  - 14
ER  -

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