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Showing: 641 - 660 of 873 results
  1. Plasmids 101: Plasmid Incompatibility

    Type
    Blog Post
    ...partitioning system in the bacteria, but generally it consists of a centromere-like region on the plasmid, a ...2015) Imaging centromere-based incompatibilities: Insights into the mechanism of incompatibility mediated...
  2. Hot Plasmids - August 2020

    Type
    Blog Post
    ...CRISPR/Cas Toolkit for plants includes 95 plasmids consisting of CRISPR/Cas nucleases, base editors, gRNA backbones...activation-based norepinephrine (GRABNE) sensors allow for sensitive and high spatiotemporal measurements of norepinephrine...
  3. Changing Labor Laws Bring Increased Postdoc Wages

    Type
    Blog Post
    ...technical roles. Therefore, institutions are responsible for ensuring that either all affected scientists...and Brandeis universities have stated that they consider postdocs paid on stipends to be FLSA exempt, and...
  4. Lentivirus ddPCR Titration

    Type
    Protocol
    ...bleach. Safety Warnings Lentivirus is generally considered biosafety level 2+. Please ensure that you are... media and 11.1 µg/mL Polybrene. Mix the cell suspension well before seeding. Mix each well with a 1 mL...45° angle. Count to 20 while slowly and gently dispensing the droplets down the side of the tube. Place... 95 10 2 1 Denaturation 94 0.5 2 40 Annealing/Extension 60 1 2 40 Enzyme Deactivation 98 10 2 1 Hold 4...
  5. Replacing Paper: Tips for Choosing an Electronic lab Notebook

    Type
    Blog Post
    ...this interaction will give you an idea of how responsive and supportive the ELN team is. Once you’ve made...information. If an employee leaves the institution, the transition is smooth as all data is organized within an ...
  6. Five Popular Model Organisms

    Type
    Blog Post
    ...great model organism because they are easy and inexpensive to grow and maintain in the lab, have a short... worm, Caenorhabditis elegans, has been used extensively as a model organism since the 1970s when Sydney...
  7. Plasmids 101: Dimers and Multimers

    Type
    Blog Post
    ... Summers, 1998). Multimeric plasmids are also considered to be less stable and more prone to being lost...the supercoiled plasmid monomer, and at <6 kb, consistent with the size of a supercoiled plasmid dimer....
  8. Generating Mouse Models Using CRISPR/Cas9

    Type
    Blog Post
    ...into the mouse zygote (Qin et al., 2015).  When inside the zygotes, the gRNA will seek out its target ... Ong ST, Bergstrom DE (2018) Viable Mice with Extensive Gene Humanization (25-kbp) Created Using Embryonic...
  9. PiggyBac-ing Through the Genome Editing Field

    Type
    Blog Post
    ... that have negative impacts on fitness. One consideration when making a transgenic cell line with the ...the piggyBac™ system, these challenges can be considerably reduced. The piggyBac™ transposon system can...
  10. 9 tips for a successful postdoctoral experience

    Type
    Blog Post
    ...training. Similarly, there are several factors to consider when selecting a postdoc mentor and lab. These... having sufficient data to write a manuscript. Consider questions like: What figures are missing? For ...
  11. Colony Formation Titering Assay

    Type
    Protocol
    ... in the lab by heating to 56 °C for 30 min. Considerations Before You Start The health of the target cell...pipetting or inverting. Aliquot 1.35 mL of the cell suspension into each well of the 6-well dish directly on... 48–72 h. Pro-Tip Different cells may be more sensitive to lentivirus or to polybrene, in which case this...
  12. AAV Purification by Iodixanol Gradient Ultracentrifugation

    Type
    Protocol
    ... In research, iodixanol is used as an isomolar density gradient medium suitable for virus purification...to mammalian cells. Therefore, and unlike other density gradient media, it is reportedly not necessary ...steps are used to remove contaminants with lower densities, including empty capsids. The 60% step serves ...
  13. Personal Protective Equipment (PPE) for BSL-1 and BSL-2 Labs

    Type
    Protocol
    ..., be aware that some gloves may contain latex. Consider nitrile gloves as an alternative. For extra precautions...anyone else associated with Addgene, can be held responsible for your use of the information contained in ...
  14. Protocol - Over-Agar Antibiotic Plating

    Type
    Protocol
    ...satellite colonies will grow). It is, however, more expensive. With a 6 cm diameter petri plate containing solidified...Plate 50 µL of transformed E. coli /rescue media suspension onto the agar and gently spread over the surface...
Showing: 641 - 660 of 873 results