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  • Medical Device Link . Polymeric Biomaterials
    nearly duplicate the properties of the tissues they replace in order not to trigger an immune response in the body. Polymeric materials typically used for such applications include polyurethane, polypropylene, and polyimide. Typical applications include catheters, contact lenses, and hip joints
  • Medical Device Link . Design Solutions Using Microporous Hydrophobic Membranes
    A microporous membrane is a thin, flat sheet of polymeric material, superficially resembling paper, that contains billions of microscopic pores. Depending on the membrane, these pores can range in size from 0.01 to more than 10 um. Microporous membranes are available in both hydrophilic
  • Measuring Pore Sizes in Walls of Hollow Fiber Membranes by Porometry
    polymeric tubes - is a challenge. for determining the sizes of the largely sub-micron pores penetrating the walls. This application note describes. a successful preparation procedure and results of testing four different hollow fiber samples using the. Quantachrome 3G z porometer. Microsoft Word
  • Recent Case Studies Highlights
    reference guide to building Antibody homology models, and graphical identification and refinement of CDR loops in Discovery Studio Cheminformatics and Pharmacophore Modeling --Together at Last. Pipeline Pilot: Bridging Accord Database Explorer and Discovery Studio Design of Polymeric Membranes
  • Interphex 2006 Preview: The Best of the Phex
    , and spiral-wound and flat polymeric membranes. Novasep also provides process development and scale up, from laboratory to full commercial plants. Technologies include chromatography, ion exchange, membranes and crystallization. Stanley Consultants, a multidiscipline engineering/architecture firm, assists
  • Medical Device Link .
    that can be etched to create a true pore. Figure 2. Preparation of track-etched membranes: irradiation of thin polymeric foil with heavy, energetic ions (a); sensitization with UV light (pore shape control) (b); etching and creation of the pores along the tracks (c). (click to enlarge). The etching
  • Medical Device Link .
    or a hydrophilic coating layer. Today, further surface modifications may be accomplished by grafting specific groups onto the main polymeric backbone. The same chemistries that exist in chromatography gels (e.g., ion exchange) or reactive aldehyde and epoxy groups are then available on a membrane to selectively
  • Medical Device Link .
    , and metabolites. Also provided is a short description of the technical solution formed to fulfill the functional requirements. All of the components described below use a ceramic wafer as their substrate; most of the sensors consist of two or more polymeric membranes.3 The sensors were designed to run 750

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