SwRI: Microencapsulation and Controlled Release Technologies, microcapsules, custom-made microspheres, encapsulation methods, biotechnology, physical encapsulation, and chemical encapsulation.

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With more than 60 years of encapsulation research and development experience, Southwest Research Institute (SwRI) is a leader in the field. Using extensive expertise in diverse technical fields such as pharmaceuticals, food and nutrition, polymer and materials science, and process engineering, SwRI's encapsulation specialists solve product stability, release and application problems in a wide range of industries. SwRI has conducted more than 1,000 encapsulation research programs for commercial and government clients.

 

SwRI employs diverse encapsulation methods to solve product performance requirements for its clients. Encapsulation methods are broadly categorized as either physical or chemical.

 

Physical Methods of Encapsulation

  • Extrusion

  • Fluidized bed

  • Pan coating

  • Atomization

    • Spinning disk

    • Spray drying

    • Spray chilling/congealing

        image of how particle size and morphology can be tailored to achieve the desired product performance
       

      Particle size and morphology can be tailored to achieve the desired product performance.

Chemical Methods of Encapsulation

  • Solvent loss

  • Phase separation

  • Coacervation

  • Polymerization

  • Precipitation

  • Nanoencapsulation

  • Liposomes

  • Sol-gel

 

SwRI's Chemistry and Chemical Engineering Division, which houses the comprehensive encapsulation program, has achieved certification to ISO 9001:2000, ensuring compliance with stringent quality

 control procedures in development, production and testing. The encapsulation program maintains numerous facilities, including current Good Manufacturing Practices (cGMP) suites.

 

For more information about microencapsulation or nanoencapsulation capabilities at SwRI or how you can contract with SwRI, please fill out and submit the Microencapsulation Requirements form or contact Joseph Persyn, M.S., at jpersyn@swri.org or (210) 522-2691, or James Oxley, Ph.D., at joxley@swri.org or (210) 522-2913.

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Southwest Research Institute® (SwRI®) is an independent, nonprofit, applied engineering and physical sciences research and development organization with 12 technical divisions using multidisciplinary approaches to problem solving. The Institute occupies more than 1,200 acres and provides nearly two million square feet of laboratories, test facilities, workshops, and offices for more than 3,300 employees who perform contract work for industry and government clients.