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상품코드 : G5EF2F0CA3AA8A
Trypsin-EDTA (0.25%, 1X), (LS015-10)
판매가 18,260원
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구매혜택 적립금 1%
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    Product Details

    Trypsin-EDTA Solution (1X)
    Contains 0.25% porcine trypsin (1:250) and 1 mM EDTA·4Na in HBSS without Ca2+ and Mg2+
    With phenol red
    Sterile-filtered
    Porcine parvovirus tested
    Cell culture tested
    Endotoxin tested

    Catalog Number LS 015-10
    Store at less than 0°C

    Product Description
    In adherent cell culture, trypsin or trypsin-EDTA (ethlyenediaminetetraacetic acid) is used for the detachment of cell adhesion from culture dish or flask, and degradation of cell-cell adhesion. Trypsin, a proteolytic enzyme, can cleave collagen that is pre-coated on culture surface for cell adhesion. EDTA, a chelating agent, can bind with cations such as Ca2+ and Mg2+ which are involved in cell adhesion. Subculture usually requires chelation of cations and proteolytic reaction, but the severity of the treatment (high concentration or long time) will reduce the viability and the rate of cell growth because of the over-degradation of cell surface proteins and deficiency of cations essential for cell. A protocol should be selected with the least severity compatible with the generation of a single cell suspension of high viability.

    LS 015-10 (1X) contains 0.25% (w/v) procine trypsin (LS 015-05) and 1 mM EDTA·4Na in Hanks’ balanced salt solution (HBSS, LB 003-03). The concentration of Trypsin-EDTA is strongly influenced by (1) type of cell, (2) type of culture, and (3) characteristics of cell growth. It is important to review the literature for recommendations concerning medium, supplementation and physiological parameters required for a specific cell line.

    Storage/Stability
    Trypsin-EDTA solutions should be stored at -5~-20°C in the dark, and can be stored at 2~8°C for 1~2 weeks. Deterioration of the solution may be recognized by (1) precipitate or particulate matter throughout the solution, (2) cloudy appearance, (3) color change, (4) pH change and/or (5) temperature change. Product label bears expiration date.

    Biological Performance Characteristics
    The detaching and growth-maintaining capacities of Trypsin-EDTA are tested in a medium supplemented with 10% FBS using an appropriate adherent cell line(s). Growth rates are examined through three subculture generations and compared with parallel cultures grown in standardized control medium. Cells are counted and growth is plotted as a logarithmic function of time in culture, and seeding efficiency, doubling time, and final cell densities are determined. During the testing period cultures are examined microscopically for a typical morphology and evidence of cytotoxicity.

    * In effort to cater to the individual needs of our clients, Welgene provides custom products (classified as a “special order”) with variations made to the general specifications listed on the catalogue. Variations can be made in regards to 1. elimination of certain materials 2. alteration of chemical portions 3. addition of new

     

    Comparison of Trypsin-EDTA Solutions 



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