There is provided a method of producing silica capsules, the method comprising: adding a silica precursor to emulsified droplets in the presence of salt and alcohol to enhance silica growth around the emulsified droplets by an ion association effect, thereby forming silica capsules. Also provided are silica capsules producible by such a method.

A scent booster composition having a pastille formulation and optionally a sodium chloride system. The pastille formulation contains by weight of the formulation (i) 1 to 30% of a fragrance microcapsule that has a microcapsule core and a microcapsule wall encapsulating the microcapsule core, in which the microcapsule core contains a fragrance, (ii) 0 to 40% of a free fragrance, (iii) 0 to 25% of a clay, and (iv) 50 to 70% of polyethylene glycol that has a molecular weight of 2,000 to 10,000. Also disclosed is a method of using the scent booster composition.

There is provided a method of forming a porous particle comprising an electrically conductive continuous shell encapsulating a core, said core comprising an elemental compound that reversibly reduces in the presence of a cation and oxidizes in the absence of said cation, said method comprising the steps of: a) encapsulating an elemental compound precursor with said electrically conductive shell; b) reacting said elemental compound precursor with an oxidation agent to oxidise said elemental compound precursor to form said elemental compound, thereby forming said electrically conductive shell encapsulating said core comprising said elemental compound.

There is provided a method of forming a porous particle comprising an electrically conductive continuous shell encapsulating a core, said core comprising an elemental compound that reversibly reduces in the presence of a cation and oxidizes in the absence of said cation, said method comprising the steps of: a) encapsulating an elemental compound precursor with said electrically conductive shell; b) reacting said elemental compound precursor with an oxidation agent to oxidise said elemental compound precursor to form said elemental compound, thereby forming said electrically conductive shell encapsulating said core comprising said elemental compound.

The invention relates to microcapsules having a particle size distribution that has at least two maxima, wherein the main maximum of the particle size lies in the range of 5 to 100 μm and wherein the volume assumed by the microcapsules that have a particle size less than ¼ of the particle size of the main maximum is greater than approximately 20% of the total volume of the microcapsules.

The invention relates to microcapsules having a particle size distribution that has at least two maxima, wherein the main maximum of the particle size lies in the range of 5 to 100 μm and wherein the volume assumed by the microcapsules that have a particle size less than ¼ of the particle size of the main maximum is greater than approximately 20% of the total volume of the microcapsules.

Composite particles comprising a hydrophobic dye and an amphiphilic block copolymer encapsulating the dye are disclosed. The dye exhibits absorbance peaks at one or more points in the ultraviolet, visible, or infrared regions of the electromagnetic spectrum. The particles are thus useful in optical applications, such as the preparation of contact lenses that screen out harmful radiation. In select embodiments, the dye is Zinc (II) 5, 10, 15, 20-(tetraphenyl) porphyrin and the copolymer is an acrylate or PEO copolymer that has been crosslinked.

The present invention relates to microcapsules comprising natural oil and, more specifically, to microcapsules which contain gelatin, natural polymers, oil, and an oil thickener and have enhanced mechanical properties, and a preparation method therefor. The microcapsules comprising natural oil according to the present invention have remarkably enhanced mechanical properties and retention properties, and when co-cultured with cells, the microcapsules provide the effect of inducing maturation of the cells, and thus may be used in various fields of microcarriers, cell cultures, and co-culture systems.

The present invention relates to microcapsules comprising natural oil and, more specifically, to microcapsules which contain gelatin, natural polymers, oil, and an oil thickener and have enhanced mechanical properties, and a preparation method therefor. The microcapsules comprising natural oil according to the present invention have remarkably enhanced mechanical properties and retention properties, and when co-cultured with cells, the microcapsules provide the effect of inducing maturation of the cells, and thus may be used in various fields of microcarriers, cell cultures, and co-culture systems.

A production process and a related device comprises a formation process comprising: contacting a first liquid material and a second liquid material with each other at a contact point in a gas atmosphere, wherein at the contact point at least one of the first liquid material and the second liquid material is provided as a liquid jet propagating in a direction, to provide at the contact point a third jet of a coalesced third material propagating in a third direction.