<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Linde Sevenants</style></author><author><style face="normal" font="default" size="100%">Lisa Siciliani</style></author><author><style face="normal" font="default" size="100%">Sophie Scholz</style></author><author><style face="normal" font="default" size="100%">Holger Sieg</style></author><author><style face="normal" font="default" size="100%">Francesco Cubadda</style></author><author><style face="normal" font="default" size="100%">Davie Cappoen</style></author><author><style face="normal" font="default" size="100%">Eveline Verleysen</style></author><author><style face="normal" font="default" size="100%">Birgit Mertens</style></author><author><style face="normal" font="default" size="100%">Tamara Vanhaecke</style></author><author><style face="normal" font="default" size="100%">Jan Mast</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Optimised dispersion protocol for particle size measurement of copper oxides applied as feed additives and plant protection products</style></title><secondary-title><style face="normal" font="default" size="100%">17th Multinational Congress on Microscopy</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Copper Oxides</style></keyword><keyword><style  face="normal" font="default" size="100%">dispersion protocol</style></keyword><keyword><style  face="normal" font="default" size="100%">electron microscopy</style></keyword><keyword><style  face="normal" font="default" size="100%">Feed Additive</style></keyword><keyword><style  face="normal" font="default" size="100%">Nanoparticle</style></keyword><keyword><style  face="normal" font="default" size="100%">plant protection product</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2025</style></year><pub-dates><date><style  face="normal" font="default" size="100%">8/09/2025</style></date></pub-dates></dates><publisher><style face="normal" font="default" size="100%">17th Multinational Congress on Microscopy</style></publisher><pub-location><style face="normal" font="default" size="100%">Portorož, Slovenia</style></pub-location><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;The human population can be exposed to copper oxides used as plant protection products and feed additives. They are commercially distributed as powders, and limited information on their particle size distribution is available. The EFSA Guidance on Particle-Technical Requirements requires measuring the particle size distribution to assess whether a nano-specific risk assessment should be performed.&amp;nbsp;To measure the particle size distribution using electron microscopy (EM), a dispersion protocol that aims at maximal de-agglomeration followed by on-grid sampling is evaluated.&lt;/p&gt;
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