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  • Biopharmaceutical Process Control: Part Two: Process Modeling
    to represent bacterial, fungal and cell culture bioreactors. The fermenter or bioreactor composite block is combined in a module with other composite blocks representing mass and energy balances of valves, pumps and flow meters to create a virtual process. In other words, composite blocks from a library
  • Controlling a Tank Filling Operation With Two Liquids for a Food Processor
    A large Midwest food processor needed a low-cost and reliable solution to accurately control the batches of oil and water pumped into mixing tanks for the manufacture of corn chips and potato chips. The oil and water supply lines for the different tanks have different diameters and are each metered
  • A Push Towards Efficiency
    Series A pinch valves offer positive control of fluids in sterile pharmaceutical and biotechnical applications. Red silicone and EPDM pinch tube elements comply with 21CFR Part 177.2600. The valves offer straight-through flow for enhanced draining and cleaning. A spring-loaded stem controls
  • Aqueous Film Coating: Get It Right the First Time
    does not see. Pumping systems, coupled with magnetic flow meters, are typically used to deliver coatings. Choices include gear pumps, used for non-suspension coatings, and peristaltic and rotary lobe pumps. Each has its pros and cons, which are summarized in Table 2. Spray gun geometry and calibration
  • The 5 Best Industry Applications For Linear And Rotary Solenoids
    and bulk packaging plants. When machinery is coupled with proportional solenoid valves for flow control, entire systems become automated and able to release raw ingredients continuously or infrequently for precise recipe control. Both linear and rotary solenoid valves are mounted on food processing
  • MSilica Nanoparticles Treated by Cold Atmospheric-Pressure Plasmas Improve the Dielectric Performance of Organic-Inorganic Nanocomposites
    , USA). The microfluidic devices were placed. in a vacuum jar for 30 min before all experiments to reduce. priming problems. Once the main channel was primed with fluid from. both inlets, the syringe pump was set to the desired. (constant) flow rate. Once the required flow rate was. maintained for 2
  • A Microfluidic System for Biological Particle Enrichment Using Contactless Dielectrophoresis
    of the buffer was. 130 mS/cm and was measured with a Mettler-Toledo SevenGo. pro conductivity meter (Mettler-Toledo, Inc., Columbus,. OH) to ensure that its conductivity was 130 ms/cm. These cells were observed to be spherical, with a diameter. of w13 mm when in suspension. Carboxylate-modified polystyrene

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