Abstract: The invention relates to a process for preparing core-shell particles comprising the steps of (i) providing a dispersion of primary magnetic particles having a mean diameter lower than 200 nm in a solvent; (ii) adding one or more (semi-)metal (oxyhydr)oxide(s) and/or one or more precursor(s) of a (semi-)metal (oxyhydr)oxide to said dispersion; (iii) optionally adding a hydrolysis agent for said one or more precursor(s); (iv) injecting the dispersion in a spray dryer; whereby a (semi-)metal (oxyhydr)oxide shell is formed on the magnetic particles during spray drying. The invention also relates to particles obtainable by said process, to a formulation of said particles in a solvent and to the use of said particles or said formulation for RNA or DNA extraction.

Abstract: A composition comprises: an at least partially hydrolysed polyvinyl acetate component having an hydrolysation degree of at least 5%; a polyalkylene glycol component having a number average molecular mass Mn lower than 9000 g/mol and consisting of one or more substances selected from the group consisting of polyethylene glycol, polypropylene glycol, copolymers of ethylene glycol and propylene glycol, and their derivatives; a positive or negative electrode active component; and a conductive component; wherein the mass ratio between the at least partially hydrolysed polyvinyl acetate component and the positive or negative electrode active component equals at least 0.12 and at most 0.30, and wherein the mass ratio between the polyalkylene glycol component and the positive or negative electrode active component equals at least 0.012 and at most 0.10.

Abstract: In a first aspect, the present invention relates to a composite anode material, comprising: (i) a layer of silicon-carbon (Si/C) composite material comprising silicon-carbon composite particles, and (ii) a graphene oxide (GO) layer covering the layer of silicon-carbon composite material; wherein the silicon-carbon composite particles each comprise a plurality of silicon (Si) particles intermixed with a carbon-based material, and wherein the silicon-carbon composite particles comprise a porous shell surrounding a hollow, the porous shell comprising the plurality of silicon particles intermixed with the carbon-based material.

Abstract: A method and measurement device for measuring the ability of a flowing powder to electrostatically charge comprising a conduit comprised of a straight upper part fluidly connected to a straight lower part, the upper part being positioned at a first angle to the horizontal and the lower part being positioned at a second angle to the horizontal and wherein upper and lower part are positioned at a third angle relative to each other defining a bend at the intersection of the upper and lower part, wherein the upper part is provided with a supply opening for the powder and the lower part is provided with a discharge opening to discharge the powder and a faraday cup is connected to an electrometer positioned relative to the discharge opening to receive powder the from the conduit.

Abstract: A composition comprises: an at least partially hydrolysed polyvinyl acetate component having an hydrolysation degree of at least 5%; a polyalkylene glycol component having a number average molecular mass Mn lower than 9000 g/mol and consisting of one or more substances selected from the group consisting of polyethylene glycol, polypropylene glycol, copolymers of ethylene glycol and propylene glycol, and their derivatives; a positive or negative electrode active component; and a conductive component; wherein the mass ratio between the at least partially hydrolysed polyvinyl acetate component and the positive or negative electrode active component equals at least 0.12 and at most 0.30, and wherein the mass ratio between the polyalkylene glycol component and the positive or negative electrode active component equals at least 0.012 and at most 0.10.

Abstract: A method for recycling/recovering a core of a silicon solar cells module in its raw components comprising: providing a core of a silicon solar cells module wherein the cells are interconnected by connection ribbons and embedded in an encapsulation layer said encapsulation layer being sandwiched between a back sheet and a front glass plate; introducing the core of the silicon solar cells into a reactor; dismantling the solar cells core by hydrothermal treatment under subcritical atmosphere to generate recovered clean glass component and a residual laminate.

Abstract: A method and measurement device for measuring the ability of a flowing powder to electrostatically charge comprising a conduit comprised of a straight upper part fluidly connected to a straight lower part, the upper part being positioned at a first angle to the horizontal and the lower part being positioned at a second angle to the horizontal and wherein upper and lower part are positioned at a third angle relative to each other defining a bend at the intersection of the upper and lower part, wherein the upper part is provided with a supply opening for the powder and the lower part is provided with a discharge opening to discharge the powder and a faraday cup is connected to an electrometer positioned relative to the discharge opening to receive powder the from the conduit.