PerkinElmer

Quasar™ SPP RP Amide

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With excellent peak shape and high resolution compunds at the forefront, we offer RP Amide columns to reach your laboratory needs. Our Quasar SPP RP Amide phase, based on ultra pure silica, contains a polar entity embedded in the alkyl chagin, offering alternative selectivity to hydrophobic phases.

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    Quasar™ SPP C18 LC Column

    HILIC Quasar SPP HILIC LC columns encompass a uniform surface for improved reproducibility and yield excellent peak shapes for a wide range of compounds, including basic analytes.
    Price Range : 571.00 USD - 706.00 USD
  • 100x4_6mm_angle_700x700

    Quasar™ SPP C18 LC Column

    HILIC Quasar SPP HILIC LC columns encompass a uniform surface for improved reproducibility and yield excellent peak shapes for a wide range of compounds, including basic analytes.
    Price Range : 605.00 USD - 706.00 USD
  • 150x2_1mm_angle_700x700

    Quasar™ SPP C18 LC Column

    HILIC Quasar SPP HILIC LC columns encompass a uniform surface for improved reproducibility and yield excellent peak shapes for a wide range of compounds, including basic analytes.
    Price Range : 571.00 USD - 706.00 USD
  • 250x4_6mm_angle_700x700

    Quasar™ SPP C18 LC Column

    HILIC Quasar SPP HILIC LC columns encompass a uniform surface for improved reproducibility and yield excellent peak shapes for a wide range of compounds, including basic analytes.
    Price Range : 605.00 USD - 762.00 USD
  • N9306876_angle_700x700

    Quasar™ Guard Cartridge Holder

    Quasar C18 LC columns, based on ultra high purity silica and manufacturered to tight spefications, provides high efficiency separations and excellent peak shape for a wide range of compounds. Our methodology to yield high surface coverage enhances the pH stability and extends the working range. If data integrity and high producitvity are top priorities for your lab, then this column can support your needs for any application.
    List Price : 174.00 USD
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  • Application Brief

    Rapid and Robust HPLC Analysis of Indoxyl Sulfate Using Quasar C18 Column

    Indoxyl sulfate is one of the most extensively studied solutes that accumulates in the plasma when the kidneys fail. Originally called "indican", it was first isolated by Obermayer and Popper in 1911. High concentrations of indoxyl sulfate in blood plasma are known to be associated with the development and progression of a number of pathological conditions including chronic kidney disease and vascular disease. The scientific literature documents the use of older generation C18 columns, using type A silicas. This application brief will illustrate the application of a new generation C18 column, based on type B silica, for the analysis of indoxyl sulfate, Figure 1, as part of a research study to measure the total levels in a simulated blood serum environment.

  • Application Brief

    Rapid LC Analysis of Cephalosporins Using Quasar Biphenyl Column

    The aerobic mold which yielded cephalosporin C was found in the sea near a sewage outfall nearby Cagliari harbour, Sardinia, by the Italian pharmacologist Giuseppe Brotzu in July 1945. Since their discovery and subsequent commercialization in 1964, the cephalosporins today are broad-spectrum ß-lactam antibiotics used for the treatment of a number of bacterial conditions including septicaemia, pneumonia and meningitis. The pharmacology of cephalosporins is similar to that of the penicillin class of compounds. This application brief describes use of a Quasar biphenyl column in the analysis of several cephalosporins, a mixture of first and second generation ß-lactam antibiotics.