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  1. General Transfection

    Type
    Protocol
    ... 4 °C prior to use. Thawed aliquots should be discarded after 1–2 months. 1 mg/mL polyethylenimine, linear...stored at 4 °C for up to 2 months. After 2 months, discard the tube and thaw a new working stock. Considerations...DNA tube. Incubate the mixture 15–20 min at RT. Carefully transfer the transfection mix to your HEK293T ...cells. Add the transfection mix dropwise, being careful not to dislodge the cells. Incubate the cells for...the following morning. The following morning, carefully aspirate the media. Replace the media with 15 ...
  2. Using a Light Microscope Protocol

    Type
    Protocol
    ...move your microscope around the lab, be sure to carry it with two hands - one hand supporting the base...base and the other holding the arm - or use a cart. Revolve the nosepiece so that the lowest power objective...objective. Take your eyes away from the eyepiece and carefully revolve the nosepiece so that the next objective...will notice that the objectives get larger. Be careful to avoid hitting your sample with the objective...laboratory instrument, you should be sure to take care of your microscope. Bumps, scratches, and dust can...
  3. 3D Printing Meets CRISPR Cas9

    Type
    Blog Post
    ...now have another model of Cas9 – a flexible alpha-carbon backbone model made of nylon – that more accurately...
Showing: 521 - 540 of 625 results