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  • Aqueous and organic GPC of food
    determine many of its final properties and therefore its end-use suitability for different applications. GPC with Universal Calibration, employing a viscometer in combination with a differential refractive index detector, is used to determine accurate molecular weights for biopolymers
  • Detection of Chiral Compounds Using HPLC with CD Detection
    is toxic or mutagenic. Chiral detection has previously been limited to optical rotary dispersion (ORD) or polarimetry. Optical rotation-based detectors are based on differences in refractive index. Circular dichroism-based detectors differentiate enantiomers by measuring differences between
  • Living anionic polymerization of methyl methacrylate
    . GPC-8020 equipped with a refractive index detector. We used the. following scattering length densities  for the analyses of the SANS. data: thf-d = 6.4 Â 1010 cmÀ2, benzene-d = 5.4 Â 1010 cmÀ2 and PZN =. 5.7 Â 109 cmÀ2. Figure 2. Reaction scheme for catalytic living anionic polymerization
  • High Spatial Resolution Measurement of Volume Holographic Gratings
     the incident beam, where λr is the. readout wavelength in vacuum, n(λr) is the refractive index of the volume holographic grating element material at. the readout wavelength, Λ is the grating spacing, and θr is the readout angle of incidence inside the material. For a. simple uniform grating
  • Medical Device Link .
    Chinese hamster ovary (CHO) cell line. The first set of data is from the flow-mode detector in conjunction with an SEC separation. The supernatant is characterized by using a refractive index (RI) detector and simultaneous static and DLS detectors coupled to an HPLC running in the SEC mode. The SEC
  • Molecular Weight Determination of Carbonic Anhydrase with the BI-MwA (.pdf)
    , K is the Debye constant, a constant of the. polymer/solvent system and proportional to the. square of the refractive index increment, dn/dc1. Polymer concentration, c, is determined when. sample solutions are prepared, and ΔR is propor-. tional to the excess scattered intensity and meas-. ured
  • BSA Monomer-Dimer Elucidation with the BI-MwA (.pdf)
    . . this method by confirming the presence of mo-. nomeric and dimeric species of bovine serum al-. Here, K is the Debye constant, a constant of the. bumin (BSA) under standard chromatography. polymer/solvent system and proportional to the. conditions. square of the refractive index increment, dn/dc1. Polymer
  • Fiber Optic Technology (.pdf)
    from one transparent medium to another, the light is affected by the interface. between the two materials. This occurs because of the difference in speeds that the light can travel through different materials. Each material can be described in terms of its refractive index, which is the ratio
  • Optical Hydrocarbon Sensors and Their Applications (.pdf)
    can be optimized. The relationship of this critical angle and the refractive indices. can be approximated by the following equation based upon the half-angle of the incident. light, : (n2  n2 )1/2. sin . 1. 2. n0. When the outer medium is air, n0 is 1. It follows that the refractive index

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