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  • Sensorless Brushless DC Motor Control with PIC16
    to dissipate heat in the BLDC * Reduced audible and electromagnetic noise All BLDC motors require three half-bridge driver stages. Each stage controls one phase of the motor, as There are many different types of brushless motors, illustrated in Table 1 below: and the differences are: - The number of phases
  • Medical Device Link .
    diagnostic assays. A nucleic acid test requires that a series of processes be completed: sample collection, sample preparation, amplification (if required), and detection. Discussion of all aspects of these processes is beyond the scope of a single article. The limited aim of this three-part series
  • Medical Device Link .
    . "In the past, the entries have been consistently strong, and this year is no exception, " said juror Mark Vreeke, a partner at Rational Systems (Houston). Vreeke said that judging involves a three-phase process. Individuals first present each device before the group as a whole. Then the devices are separated
  • Medical Device Link . The use of microporous polymer membranes in immunoassays
    system depends largely on three properties: protein-binding capacity, porosity, and strength. The ability of the membrane to immobilize macromolecules, in particular proteins, is paramount, since they are the solid phase used in the assay. The porosity of the membrane is important because reactants
  • Medical Device Link .
    of larger hospitals, and in specialized laboratories throughout the developed world, particularly North America, Western Europe, and Japan. FDA has approved 42 molecular tests produced by 14 companies worldwide. All but three of them are commercially available in the United States. More than 80%
  • Medical Device Link .
    compensate for the lower capacity, activated glass surfaces are often used as a solid phase in microarray development. However, when a mixture of proteins is analyzed, the capacity of the glass surface is typically insufficient. The ImmunoCAP assay is made up of microspots arrayed

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