The European Union, Represented by the European Commission

Cloé Desmet

Pascal Colpo

François Rossi

Andrea Valsesia

A nanoparticle screening chip and a method using said chip allowing for determining physical properties of nanoparticles, wherein the screening chip comprises a substrate having a working surface divided into a plurality of areas, wherein (1) each of these areas presents different surface properties defined by surface energy component (d,b,a), the total free energy &#x3b3;of the surface of each area being defined as follows: &#x3b3;=&#x3b3;+2(&#x3b3;&#x3b3;), wherein the components are: &#x3b3;=dispersive component=d, &#x3b3;=electron acceptor component=b, &#x3b3;=electron donor component=a; and (2) each of these areas comprises a plurality of subareas, each subarea comprising an array of sub-micrometric holes or elongated grooves with a different aperture size (S, S, S, . . . ).

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St Nicolas de Macherin, France

Cloé Desmet