Micro- and Nano-Encapsulation technologies

  • ICN2
  • From Spain
  • Responsive
  • Knowhow and Research output

Summary of the technology

A set of techniques and strategies to encapsulate active ingredients for application in medicine, cosmetics, detergents, coatings and more. Partners interested in R&D collaboration are sought.

Details of the Technology Offer

APPLICATION LANDSCAPE AND NEED
Micro- and nano-encapsulation is a process that allows trapping tiny particles of solid, liquid droplets, or gas bubbles –which constitute the core– within a secondary material
–called matrix or shell– to form micro- or nano-capsules. The shell isolates and protects the active ingredients (fragrances, essential oils, drugs, etc.) in the core from the surrounding environment, so that they can be delivered under an external stimulus at a specific time and location.
Specific techniques to transfer the advanced optical properties of bulk solutions of organic molecules to solid composites, which are more relevant for practical applications and devices fabrication, can also be applied.

The Catalan Institute on Nanoscience and Nanotechnology (ICN2) has devised new technologies for encapsulating active ingredients
–including drugs, dyes, and fragrances- into micro- or nano-capsules to create new functional products, such as improved pharmacological formulations, microbicidal paints and slow-release laundry detergents.

The ICN2 offers solutions for a large variety of capsule materials, encapsulation methods, encapsulated substances, as well as release mechanisms and duration. Collaboration with industrial partners is welcome to develop products for specific applications:

Capsule materials: liposomes, organic polymers, coacervates, sol-gels, etc.

Encapsulation methods: extrusion, fluidized-bed coating, ionic gelation, interfacial / in-situ polymerization, spray-drying, solvent evaporation, etc.

Types of cargo: biocides, drugs, dyes, flavours, fragances, photochromic materials, fluorescent dyes, metal and metal-oxide nanoparticles, etc.

Capsules shape: we can make capsules of different shapes (e.g. ellipsoidal) to provide them with other related properties.

Release mechanisms: chemical reactivity, pH, salinity, temperature, friction / mechanical pressure, etc.


Transfer of advanced optical properties of bulk solutions of organic dyes to solid nanocomposites and inks.

Release duration: from a few hours to a few months

Applications: detergents and fabric softeners, drug delivery, paints and coatings, etc.

Key advantages:

Full customizability of the final product.
Experience in finding optimal combinations of active ingredient, capsule material and release conditions (time, mechanism, dosing, etc.) according to desired application.
Assistance in end-product formulation, industrial process development and scaling-up.

Further research required

The technology has been applied in different use cases in different markets

Current development status

Laboratory prototypes

Partners for future research

We adapt our encapsulation technologies to the specific requirements of our industrial partners. We also licence our own technologies to companies willing to adopt them. We provide samples for their validation.

We adapt our encapsulation technologies to the specific requirements of our industrial partners. We also licence our own technologies to companies willing to adopt them. We provide samples for their validation.

Attached documents

Related Keywords

  • Micro- and Nanotechnology related to Biological sciences
  • Micro- and Nanotechnology related to agrofood
  • Waste Management
  • Water Management
  • Medical Health related
  • Therapeutic
  • Agro and Marine biotech

About ICN2

R&D organization with a focus on Nanotechnology and Nanoscience. We have a wide patent portfolio and record of technology transfer activities, including 13 spin-offs, 4 products on the market, 20 licenses, numerous joint collaborations with companies and a high revenue in commercial activities.

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