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Anwar Ullah




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    Grid Screen Ammonium Sulfate Individual Reagents
    "The Grid Screen Ammonium Sulfate formulated by Hampton Research contains 24 solutions with Ammonium sulfate (concentration ranging from 0.8-3.4 M and pH range 3-9). This is a good screen for finding the initial crystallization conditions for proteins, peptides and nucleic acid. I recommend it to use for proteins, peptides and nucleic acid crystallization."

    Application area: Proteins Crystallization

    26 March 2014
    • Ease of use4 out of 5
    • After sales service4 out of 5
    • Value for money3 out of 5
    Average    

    4 out of 5



     

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    Amicon Ultra-0.5 mL Centrifugal Filters for Protein Purification and Concentration
    "Amicon® Ultra-0.5 Centrifugal Filter Units are useful for protein purification and concentration. This filter device can remove proteins bellow 3 kDa. This filter device can be used to concentrate a pure protein with a molecular mass above 3 kDa. The recommended velocity to spin this device is 5000-7000 RPM, however when the filter is used for long time it may be useful to decrease this speed up to 3000 RPM as there is Always chance of loss of proteins after using it for a long time. The second more important thing is to fill this device up to a maximum of 0.5 ml as there is a chance of filter loss above this volume. It is suitable for small scale protein concentration and purification. I recommend it to use for protein separation and concentration and to store this device either in 20% Ethanol or 0.02% Na-azide solution after use."

    Application area: Protein Purification And Concentration

    18 February 2014
    • Ease of use5 out of 5
    • After sales service4 out of 5
    • Value for money5 out of 5
    Average    

    5 out of 5



     

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