{"id":5569,"date":"2023-09-14T18:22:32","date_gmt":"2023-09-14T16:22:32","guid":{"rendered":"https:\/\/www.nanomesurefrance.fr\/?page_id=5569"},"modified":"2024-01-24T12:07:02","modified_gmt":"2024-01-24T11:07:02","slug":"npsize","status":"publish","type":"page","link":"https:\/\/www.nanomesurefrance.fr\/en\/projets\/npsize\/","title":{"rendered":"nPSize"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"5569\" class=\"elementor elementor-5569\">\n\t\t\t\t\t\t\t        <div class=\"elementor-section elementor-top-section elementor-element elementor-element-8ead825 elementor-section-boxed elementor-section-height-default elementor-section-height-default cms-remove-row-no cms-section-no-padding-no cms-boxed-bg-false cms-section-boxed-divider-false cms-overlay-gradient-bg-yes cms-overlay-gradient-mode-tb\" data-id=\"8ead825\" data-element_type=\"section\">\n\t\t\n\t\t<div class=\"cms-overlay-gradient\"><\/div><div class=\"cms-section-boxed-bg\"><\/div><div class=\"cms-section-boxed-divider\"><\/div><div class=\"cms-elementor-section-remove\"><\/div><div class=\"cms-elementor-section-corner cms-elementor-section-corner-top\"><\/div><div class=\"cms-elementor-section-corner cms-elementor-section-corner-bottom\"><\/div>        <div class=\"elementor-container elementor-column-gap-default\" >\n\t\t        <div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d3f9873\" data-id=\"d3f9873\" data-element_type=\"column\">\n        <div class=\"elementor-widget-wrap elementor-element-populated\">\n                        \t\t<div class=\"elementor-element elementor-element-4345836 elementor-widget elementor-widget-image\" data-id=\"4345836\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.12.0 - 29-03-2023 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"294\" height=\"171\" src=\"https:\/\/www.nanomesurefrance.fr\/wp-content\/uploads\/2024\/01\/NpSize.png\" class=\"attachment-full size-full wp-image-10264\" alt=\"\" srcset=\"https:\/\/www.nanomesurefrance.fr\/wp-content\/uploads\/2024\/01\/NpSize.png 294w, https:\/\/www.nanomesurefrance.fr\/wp-content\/uploads\/2024\/01\/NpSize-18x10.png 18w\" sizes=\"(max-width: 294px) 100vw, 294px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t        <\/div>\n        <\/div>\n        \t\t        <\/div>\n        <\/div>\n\t\t        <div class=\"elementor-section elementor-top-section elementor-element elementor-element-dacf61e pt-30 pt-lg-60 elementor-section-boxed elementor-section-height-default elementor-section-height-default cms-remove-row-no cms-section-no-padding-no cms-boxed-bg-false cms-section-boxed-divider-false cms-overlay-gradient-bg-yes cms-overlay-gradient-mode-tb\" data-id=\"dacf61e\" data-element_type=\"section\">\n\t\t\n\t\t<div class=\"cms-overlay-gradient\"><\/div><div class=\"cms-section-boxed-bg\"><\/div><div class=\"cms-section-boxed-divider\"><\/div><div class=\"cms-elementor-section-remove\"><\/div><div class=\"cms-elementor-section-corner cms-elementor-section-corner-top\"><\/div><div class=\"cms-elementor-section-corner cms-elementor-section-corner-bottom\"><\/div>        <div class=\"elementor-container elementor-column-gap-default\" >\n\t\t        <div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-d43bede\" data-id=\"d43bede\" data-element_type=\"column\">\n        <div class=\"elementor-widget-wrap\">\n                                <\/div>\n        <\/div>\n                <div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-4946488\" data-id=\"4946488\" data-element_type=\"column\">\n        <div class=\"elementor-widget-wrap elementor-element-populated\">\n                        \t\t<div class=\"elementor-element elementor-element-da402e8 cms-heading-layout-13 elementor-widget elementor-widget-cms_heading\" data-id=\"da402e8\" data-element_type=\"widget\" data-widget_type=\"cms_heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<div class=\"cms-heading-wrapper text-\">\n        <h3 class=\"cms-mainheading heading mt-n5 text-24  text-heading empty-none\"> <\/h3>\n    <div class=\"extra-space clearfix\"> <\/div>\n    <p class=\"cms-desc text-lg-16 text-xl-17 pt-10  text-body empty-none elementor-invisible animated-normal\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;,&quot;animation_delay&quot;:&quot;&quot;}\">While size can be accurately measured for simple (ideal) nanoparticles, i.e. spherical, mono-dispersed, non-agglomerated\/aggregated, the characterization of non-spherical nanoparticles with broader size distributions is much more difficult and less accurate. <br \/>\n<br \/>\nThe nPSize project (Improved traceability chain of nanoparticle size measurements), funded between 2018 and 2021 by the EMPIR European metrology research program, aimed to assess the performance of several nanoparticle measurement systems, including in particular Scanning Electron Microscopy (SEM), Atomic Force Microscopy (AFM) and Small Angle X-ray Diffusion (SAXS), and to deliver improved calibration methods to users. Reference materials with various characteristics (shape, chemical composition, polydispersity, concentration) were used to compare the different techniques (notably within the VAMAS framework), including an assessment of the associated measurement uncertainties. These results will make it possible to propose in standardization (<span class='tooltipsall tooltipsincontent classtoolTips13'>ISO<\/span>) an approach combining several of these techniques (hybrid metrology) to take advantage of the benefits of each and thus improve the metrological traceability of size measurements and the assessment of errors that can be made in this type of characterization.<br \/>\n<br \/>\n<\/p>\n    <div class=\"extra-space clearfix\"> <\/div>\n<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-76dfc1c elementor-widget elementor-widget-cms_button\" data-id=\"76dfc1c\" data-element_type=\"widget\" data-widget_type=\"cms_button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t        <div class=\"cms-btn-wraps  text-center  text-lg-center\" >\n                <a href=\"https:\/\/www.bam.de\/Content\/EN\/Projects\/nPSize\/npsize.html\" target=\"_blank\" class=\"btn btn-fill btn-accent text-white btn-hover-fill btn-hover-primary text-hover-white btn-lg\">\n                <span class=\"cms-btn-content cms-btn-content- justify-content-center justify-content-lg-center\">\n                                                    <span aria-hidden=\"true\" class=\"cms-icon cms-btn-icon order-first icon-outline-no rtl-flip cmsi-arrow-right\" style=\"\"><\/span>                                                <span class=\"cms-btn-text text-center\">Website <\/span>\n                                    <\/span>\n            <\/a>\n                <\/div>\n    \t\t<\/div>\n\t\t\t\t<\/div>\n\t\t        <\/div>\n        <\/div>\n                <div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-5399aff\" data-id=\"5399aff\" data-element_type=\"column\">\n        <div class=\"elementor-widget-wrap\">\n                                <\/div>\n        <\/div>\n        \t\t        <\/div>\n        <\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<script type=\"text\/javascript\"> toolTips('.classtoolTips12','Comit\u00e9 Europ\u00e9en de Normalisation https:\/\/www.cencenelec.eu\/about-cen\/'); <\/script><script type=\"text\/javascript\"> toolTips('.classtoolTips13','Organisation internationale de normalisation: https:\/\/www.iso.org\/fr\/home.html'); <\/script>","protected":false},"excerpt":{"rendered":"<p>Alors que la taille peut \u00eatre mesur\u00e9e avec pr\u00e9cision pour des nanoparticules simples (id\u00e9ales), c&rsquo;est-\u00e0-dire de forme sph\u00e9rique, mono-dispers\u00e9es, non agglom\u00e9r\u00e9es\/agr\u00e9g\u00e9es, la caract\u00e9risation de nanoparticules non sph\u00e9riques pr\u00e9sentant des distributions de tailles plus larges est beaucoup plus difficile et moins pr\u00e9cise. Le projet nPSize (Improved traceability chain of nanoparticle size measurements), financ\u00e9 entre 2018 et 2021 par le programme europ\u00e9en de recherche en m\u00e9trologie EMPIR, a vis\u00e9 \u00e0 \u00e9valuer les performances de plusieurs syst\u00e8mes de mesure de nanoparticules, dont notamment la Microscopie Electronique \u00e0 Balayage (MEB), la Microscopie \u00e0 Force Atomique (AFM) ou encore la Diffusion des rayons X aux petits angles (SAXS), et \u00e0 d\u00e9livrer aux utilisateurs des m\u00e9thodes d\u2019\u00e9talonnage am\u00e9lior\u00e9es. Des mat\u00e9riaux de r\u00e9f\u00e9rence aux caract\u00e9ristiques vari\u00e9es (forme, composition chimique, polydispersit\u00e9, concentration) ont \u00e9t\u00e9 utilis\u00e9s pour r\u00e9aliser une comparaison des diff\u00e9rentes techniques (notamment dans le cadre du VAMAS), incluant une \u00e9valuation des incertitudes de mesure associ\u00e9es. Ces r\u00e9sultats permettront de proposer en normalisation (ISO) une approche combinant plusieurs de ces techniques (m\u00e9trologie hybride) pour tirer parti des avantages de chacune et ainsi am\u00e9liorer la tra\u00e7abilit\u00e9 m\u00e9trologique des mesures de tailles et l\u2019\u00e9valuation des erreurs qui peuvent \u00eatre faites dans ce type de caract\u00e9risation. Site internet<\/p>","protected":false},"author":1,"featured_media":8408,"parent":5459,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-5569","page","type-page","status-publish","has-post-thumbnail","hentry","cms-has-post-thumbnail"],"_links":{"self":[{"href":"https:\/\/www.nanomesurefrance.fr\/en\/wp-json\/wp\/v2\/pages\/5569","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nanomesurefrance.fr\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.nanomesurefrance.fr\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.nanomesurefrance.fr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nanomesurefrance.fr\/en\/wp-json\/wp\/v2\/comments?post=5569"}],"version-history":[{"count":0,"href":"https:\/\/www.nanomesurefrance.fr\/en\/wp-json\/wp\/v2\/pages\/5569\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.nanomesurefrance.fr\/en\/wp-json\/wp\/v2\/pages\/5459"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nanomesurefrance.fr\/en\/wp-json\/wp\/v2\/media\/8408"}],"wp:attachment":[{"href":"https:\/\/www.nanomesurefrance.fr\/en\/wp-json\/wp\/v2\/media?parent=5569"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}