Semipermeable Membrane

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Semipermeable Membrane
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  • Parlodion (Pyroxylin Purified Strips)

    Electron Microscopy Sciences

    Formula: C12H16N4O18   Formula Weight: 504.28   CAS # 9004-70-0 Highly purified from cellulose nitrate; specially prepared for embedding tissue for sectioning and for preparing semi-permeable membranes.

  • Dukal Devrasorb™ Foam Dressings

    Dukal Corporation

    DevraSorb™ Foam Dressings offer super absorbency - absorbs more than 15 times and retains more then 10 times its weight in fluids. Outer semipermeable membrane limits liquid leakage yet allows physiologic oxygen and moisture vaper permeability. Provides

  • Vivaspin Protein Concentrator Spin Columns

    GE Healthcare

    …from Mr 3 000 to 100 000. An upper compartment contains sample and the lower compartment separated by a semipermeable membrane. Centrifugation is applied to force solvent through the membrane, leaving a more concentrated sample in the upper chamber. Tip: To maximize recovery of your sample, select…

  • CELLine Adhere

    Argos Technologies

    …Bioreactors utilize innovative membrane technology to separate the cell cultivation area from the media chamber. Cells and cellular-secreted products with a MWCO over 10kD are retained between two non-cytotoxic membranes. The upper semi-permeable membrane allows continuous nutrient diffusion…

  • CELLine Bioreactor Flasks

    Argos Technologies

    …Bioreactors utilize innovative membrane technology to separate the cell cultivation area from the media chamber. Cells and cellular-secreted products with a MWCO over 10kD are retained between two non-cytotoxic membranes. The upper semi-permeable membrane allows continuous nutrient diffusion…

  • Tube-A-Lyzer

    Spectrum Med

    …12 hours. This self-contained, disposable device incorporates a semi-permeable membrane tubing that separates the sample chamber from the surrounding flow-through buffer chamber. The dry Biotech Grade Cellulose Ester (CE) membrane tubing is available in 6 MWCO's and the membrane-defined sample…

  • Dialysis Kit

    G-Biosciences

    …high concentrations of reagents, such as salts. A sample is placed in a bag with a semi-permeable membrane and then placed in the new solution or water. Small molecules, such as salt, can pass through the membrane, moving from an area of high concentration to low concentration. The larger…

  • Tube-O-DIALYZER™

    G-Biosciences

    Dialysis is a popular technique used for the exchange of buffer medium across semi-permeable membranes. Dialysis devices are available in many configurations for research applications. We offer innovative dialysis devices and accessories for processing small samples. Small sample dialysis has…

  • NITRO-GEN Nitrogen Generators

    Organomation

    …hollow-fiber membrane to convert compressed air to a stream of 95-99% pure nitrogen gas at up to 40 L/min. The hollow-fiber membrane consists of a series of narrow, semipermeable tubes in a porous membrane. As compressed air travels through the fibers, oxygen and water vapor permeate the membrane

  • Poly-L-Lysine Hydrobromide

    MP Biomedicals

    …polymer. Poly-lysine binds to DNA, red cell membrane and any negatively charged protein. It is typically used as a coating substrate for culture dishes, slides, etc. It enhances electrostatic interaction between negatively charged ions of the cell membrane and the culture surface. When adsorbed to…

  • Poly-D-Lysine Hydrobromide

    MP Biomedicals

    Poly-lysine is a polycation which binds to DNA, red cell membrane and any negatively charged protein. When adsorbed to the culture surface, poly-lysine increases the number of positively charged sites available for cell binding. A compromise between the easier to use lower molecular weight products…

  • Poly-L-Lysine Hydrobromide

    MP Biomedicals

    …polycation which binds to DNA, red cell membrane and any negatively charged protein. Poly-L-lysine is typically used as a coating substrate for culture dishes, slides, etc. It enhances electrostatic interaction between negatively charged ions of the cell membrane and the culture surface. When…

  • Poly-L-Lysine, MW >=70,000

    MP Biomedicals

    …a polycation which binds to DNA, red cell membrane and any negatively charged protein. It is typically used as a coating substrate for culture dishes, slides, etc. It enhances electrostatic interaction between negatively charged ions of the cell membrane and the culture surface. When adsorbed to the…

  • Poly-L-Lysine Hydrobromide

    MP Biomedicals

    …polymer. Poly-lysine binds to DNA, red cell membrane and any negatively charged protein. It is typically used as a coating substrate for culture dishes, slides, etc. It enhances electrostatic interaction between negatively charged ions of the cell membrane and the culture surface. When adsorbed to…

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